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Adjuvant radiotherapy after breast conserving surgery is the standard approach in early stage breast cancer. However, the extent of breast tissue that has to be targeted with radiation has not been determined yet. Traditionally, the whole breast was covered by two opposing tangential beams. Several randomized trials have tested partial breast irradiation (PBI) compared to whole breast irradiation (WBI) using different radiation techniques. There is evidence from randomized trials that PBI might result in lower mortality rates compared to WBI. We aimed to reassess this question using current data from randomized trials.
We performed a systematic literature review searching for randomized trials comparing WBI and PBI in early stage breast cancer with publication dates after 2009. The meta-analysis was performed using the published event rates and the effect sizes for overall survival (OS), breast cancer-specific survival (BCSS), and non-breast cancer death (NBCD) as investigated endpoints. Analysis of subgrnd a detrimental effect of WBI on OS or NBCD. A longer follow-up might be necessary to fully assess the long-term mortality effects of PBI compared to WBI.
It is a common belief that menopausal women have greater difficulty losing weight. The aim of this study was to assess the efficacy of a Mediterranean diet (MD) to promote weight loss in postmenopausal women. All participants were prescribed a hypocaloric traditional MD, tailored to the individual. Subjects were asked not to begin any kind of physical activity. Body composition was measured at the beginning and after 8 weeks of treatment. In total, 89 women (age 52.8 ± 4.5 years, BMI 30.0 ± 5.2 kg/m
, fat mass 31.6 ± 10.5 kg) were divided into two groups the first group consisted of fertile women over 45 years of age, the second group consisted of those diagnosed as menopausal. All women had an improvement in body composition (fat mass -2.3 ± 2.1 kg,
< 0.001; protein -0.1 ± 0.7 kg,
= 0.190) and blood pressure values. No differences were found between the two groups except for a higher reduction of low-density lipoprotein in the menopausal group (
= 0.035). A positive significant correlation betwconsisted of those diagnosed as menopausal. All women had an improvement in body composition (fat mass -2.3 ± 2.1 kg, p less then 0.001; protein -0.1 ± 0.7 kg, p = 0.190) and blood pressure values. No differences were found between the two groups except for a higher reduction of low-density lipoprotein in the menopausal group (p = 0.035). A positive significant correlation between plant to animal protein ratio and fat-free mass variation was found in the menopausal group. These data suggest that a high adherence to a traditional MD would enable menopausal women to lose fat mass and maintain muscle mass with no significant difference to younger women. Fat mass reduction provides menopausal women with improved cardiovascular and metabolic risk factors.Reduced NME1 expression in melanoma cell lines, mouse models of melanoma, and melanoma specimens in human patients is associated with increased metastatic activity. Herein, we investigate the role of NME1 in repair of double-stranded breaks (DSBs) and choice of double-strand break repair (DSBR) pathways in melanoma cells. Using chromatin immunoprecipitation, NME1 was shown to be recruited rapidly and directly to DSBs generated by the homing endonuclease I-PpoI. NME1 was recruited to DSBs within 30 min, in concert with recruitment of ataxia-telangiectasia mutated (ATM) protein, an early step in DSBR complex formation, as well as loss of histone 2B. NME1 was detected up to 5 kb from the break site after DSB induction, suggesting a role in extending chromatin reorganization away from the repair site. shRNA-mediated silencing of NME1 expression led to increases in the homologous recombination (HR) and non-homologous end-joining (NHEJ) pathways of double-strand break repair (DSBR), and reduction in the low fidelity, alternative-NHEJ (A-NHEJ) pathway. These findings suggest low expression of NME1 drives DSBR towards higher fidelity pathways, conferring enhanced genomic stability necessary for rapid and error-free proliferation in invasive and metastatic cells. The novel mechanism highlighted in the current study appears likely to impact metastatic potential and therapy-resistance in advanced melanoma and other cancers.Palmitic acid (PA) is a major fatty acid, derived from diet and endogenous production, which is being linked to inflammation. While such actions of PA at the level of the testis remain difficult to examine, we reasoned that studies in human testicular cells may be instructive. Human testicular peritubular cells (HTPCs) can be isolated from men and cultured. They have contractile properties but also produce Interleukin 6 (IL6), express the inflammasome member NLRP3, and via glia cell line derived neurotrophic factor (GDNF), they contribute to the spermatogonial stem cell niche. We found that PA at 100 µM significantly increased the levels of IL6, while NLRP3 or the related Interleukin 1 beta (IL1beta) were not affected. The contractility marker calponin (CNN1) and the growth factor GDNF were likewise not affected. ELISA studies confirmed the stimulatory PA actions on IL6. Hence, PA derived from diet and/or endogenous sources may be able to foster a pro-inflammatory milieu in the testis. A possible link of these results to diet and high fat intake and obesity is indicated by the about 12-fold elevated testicular levels of IL6 in testes of obese rhesus monkeys (n = 3), fed with a Western Style diet. They had elevated 2-5-fold increased body fat and increased circulating triglyceride levels. Further consequences of PA and obesity for testicular functions remain to be evaluated.By means of compressive sampling (CS), a sparse signal can be efficiently recovered from its far fewer samples than that required by the Nyquist-Shannon sampling theorem. https://www.selleckchem.com/products/levofloxacin-levaquin.html However, recovering a speech signal from its CS samples is a challenging problem, as it is not sparse enough on any existing canonical basis. To solve this problem, we propose a method which combines the approximate message passing (AMP) and Markov chain that exploits the dependence between the modified discrete cosine transform (****) coefficients of a speech signal. To reconstruct the speech signal from CS samples, a turbo framework, which alternately iterates AMP and belief propagation along the Markov chain, is utilized. In addtion, a constrain is set to the turbo iteration to prevent the new method from divergence. Extensive experiments show that, compared to other traditional CS methods, the new method achieves a higher signal-to-noise ratio, and a higher perceptual evaluation of speech quality (PESQ) score. At the same time, it maintaines a better similarity of the energy distribution to the original speech spectrogram.
Adjuvant radiotherapy after breast conserving surgery is the standard approach in early stage breast cancer. However, the extent of breast tissue that has to be targeted with radiation has not been determined yet. Traditionally, the whole breast was covered by two opposing tangential beams. Several randomized trials have tested partial breast irradiation (PBI) compared to whole breast irradiation (WBI) using different radiation techniques. There is evidence from randomized trials that PBI might result in lower mortality rates compared to WBI. We aimed to reassess this question using current data from randomized trials. We performed a systematic literature review searching for randomized trials comparing WBI and PBI in early stage breast cancer with publication dates after 2009. The meta-analysis was performed using the published event rates and the effect sizes for overall survival (OS), breast cancer-specific survival (BCSS), and non-breast cancer death (NBCD) as investigated endpoints. Analysis of subgrnd a detrimental effect of WBI on OS or NBCD. A longer follow-up might be necessary to fully assess the long-term mortality effects of PBI compared to WBI. It is a common belief that menopausal women have greater difficulty losing weight. The aim of this study was to assess the efficacy of a Mediterranean diet (MD) to promote weight loss in postmenopausal women. All participants were prescribed a hypocaloric traditional MD, tailored to the individual. Subjects were asked not to begin any kind of physical activity. Body composition was measured at the beginning and after 8 weeks of treatment. In total, 89 women (age 52.8 ± 4.5 years, BMI 30.0 ± 5.2 kg/m , fat mass 31.6 ± 10.5 kg) were divided into two groups the first group consisted of fertile women over 45 years of age, the second group consisted of those diagnosed as menopausal. All women had an improvement in body composition (fat mass -2.3 ± 2.1 kg, < 0.001; protein -0.1 ± 0.7 kg, = 0.190) and blood pressure values. No differences were found between the two groups except for a higher reduction of low-density lipoprotein in the menopausal group ( = 0.035). A positive significant correlation betwconsisted of those diagnosed as menopausal. All women had an improvement in body composition (fat mass -2.3 ± 2.1 kg, p less then 0.001; protein -0.1 ± 0.7 kg, p = 0.190) and blood pressure values. No differences were found between the two groups except for a higher reduction of low-density lipoprotein in the menopausal group (p = 0.035). A positive significant correlation between plant to animal protein ratio and fat-free mass variation was found in the menopausal group. These data suggest that a high adherence to a traditional MD would enable menopausal women to lose fat mass and maintain muscle mass with no significant difference to younger women. Fat mass reduction provides menopausal women with improved cardiovascular and metabolic risk factors.Reduced NME1 expression in melanoma cell lines, mouse models of melanoma, and melanoma specimens in human patients is associated with increased metastatic activity. Herein, we investigate the role of NME1 in repair of double-stranded breaks (DSBs) and choice of double-strand break repair (DSBR) pathways in melanoma cells. Using chromatin immunoprecipitation, NME1 was shown to be recruited rapidly and directly to DSBs generated by the homing endonuclease I-PpoI. NME1 was recruited to DSBs within 30 min, in concert with recruitment of ataxia-telangiectasia mutated (ATM) protein, an early step in DSBR complex formation, as well as loss of histone 2B. NME1 was detected up to 5 kb from the break site after DSB induction, suggesting a role in extending chromatin reorganization away from the repair site. shRNA-mediated silencing of NME1 expression led to increases in the homologous recombination (HR) and non-homologous end-joining (NHEJ) pathways of double-strand break repair (DSBR), and reduction in the low fidelity, alternative-NHEJ (A-NHEJ) pathway. These findings suggest low expression of NME1 drives DSBR towards higher fidelity pathways, conferring enhanced genomic stability necessary for rapid and error-free proliferation in invasive and metastatic cells. The novel mechanism highlighted in the current study appears likely to impact metastatic potential and therapy-resistance in advanced melanoma and other cancers.Palmitic acid (PA) is a major fatty acid, derived from diet and endogenous production, which is being linked to inflammation. While such actions of PA at the level of the testis remain difficult to examine, we reasoned that studies in human testicular cells may be instructive. Human testicular peritubular cells (HTPCs) can be isolated from men and cultured. They have contractile properties but also produce Interleukin 6 (IL6), express the inflammasome member NLRP3, and via glia cell line derived neurotrophic factor (GDNF), they contribute to the spermatogonial stem cell niche. We found that PA at 100 µM significantly increased the levels of IL6, while NLRP3 or the related Interleukin 1 beta (IL1beta) were not affected. The contractility marker calponin (CNN1) and the growth factor GDNF were likewise not affected. ELISA studies confirmed the stimulatory PA actions on IL6. Hence, PA derived from diet and/or endogenous sources may be able to foster a pro-inflammatory milieu in the testis. A possible link of these results to diet and high fat intake and obesity is indicated by the about 12-fold elevated testicular levels of IL6 in testes of obese rhesus monkeys (n = 3), fed with a Western Style diet. They had elevated 2-5-fold increased body fat and increased circulating triglyceride levels. Further consequences of PA and obesity for testicular functions remain to be evaluated.By means of compressive sampling (CS), a sparse signal can be efficiently recovered from its far fewer samples than that required by the Nyquist-Shannon sampling theorem. https://www.selleckchem.com/products/levofloxacin-levaquin.html However, recovering a speech signal from its CS samples is a challenging problem, as it is not sparse enough on any existing canonical basis. To solve this problem, we propose a method which combines the approximate message passing (AMP) and Markov chain that exploits the dependence between the modified discrete cosine transform (MDCT) coefficients of a speech signal. To reconstruct the speech signal from CS samples, a turbo framework, which alternately iterates AMP and belief propagation along the Markov chain, is utilized. In addtion, a constrain is set to the turbo iteration to prevent the new method from divergence. Extensive experiments show that, compared to other traditional CS methods, the new method achieves a higher signal-to-noise ratio, and a higher perceptual evaluation of speech quality (PESQ) score. At the same time, it maintaines a better similarity of the energy distribution to the original speech spectrogram.0 Commenti 0 condivisioni 18 Views 0 AnteprimaEffettua l'accesso per mettere mi piace, condividere e commentare! -
In each country, the highest practice-to-population (PtP) ratios were found in Forth Valley (17,194) (Scotland), Southern HSCT (15,115) (Northern Ireland) and Hywel Dda UHB (Wales) (17,907).
Dental services are distributed unequally between urban and rural areas. PtP ratios coupled with GIS analysis are important tools to improve HROH distribution.
Dental services are distributed unequally between urban and rural areas. PtP ratios coupled with GIS analysis are important tools to improve HROH distribution.
To investigate the effects of geniposide in an iridoid found in Gardenia jasminoides var. radicans Makino (GJRM) in spontaneous hypertensive rat (SHR) and explore the possible mechanisms.
In this study, we detected the content of geniposide in GJRM by high-performance liquid chromatography (HPLC). Then, we used acute diuretic experiments to determine whether geniposide has diuretic effect. Moreover, we carried out experiments on SHR to further study the mechanism of hypertension, while real-time PCR, Western blot and immunohistochemistry were used for the experiments in vivo test. https://www.selleckchem.com/products/fdw028.html Hypotonic model was used for in vitro test.
Our data showed that the content of geniposide in the extract of GJRM is 27.54%. Meanwhile, 50mg/kg geniposide showed the strongest effect on promoting urine volume. Further study indicated that the extract of GJRM and geniposide could significantly reduce blood pressure and promote the excretion of urine and Na
in SHR. In addition, geniposide significantly inhibited the activation of the with-no-lysine kinase (WNK) signalling pathway and significantly increases the protein expressions of estrogen receptor α (ERα), estrogen receptor β (ERβ) and G protein-coupled receptor 30 (GPR30) in SHR. In hypotonic model, geniposide significantly inhibits the phosphorylation of NKCC and NCC and could be antagonistic to estrogen receptor antagonists.
Collectively, we would suggest that geniposide may potentially be utilized as an adjunct to existing thiazide and thiazide-like diuretics to control hypertension, mainly through inhibiting the activation of the WNK signalling pathway mediated by the estrogen receptor.
Collectively, we would suggest that geniposide may potentially be utilized as an adjunct to existing thiazide and thiazide-like diuretics to control hypertension, mainly through inhibiting the activation of the WNK signalling pathway mediated by the estrogen receptor.The incidence of acute and chronic wound diseases is rising due to various reasons. With complicated pathogenesis, long course, difficult treatment and high disability, wound diseases have become a major burden for patients, their families, and society. Therefore, the focus of research is to identify new ideas and methods for treatment. Fat grafting has gained increased attention because of its effectiveness in wound treatment, and further analysis has uncovered that the stem cells derived from fat may be the main factor affecting wound healing. We summarize the function of adipose stem cells and analyze their possible mechanisms in tissue repair, helping to provide new ideas for the treatment of wound healing.
There exists a dearth of research focused explicitly on predictors of attrition, particularly in the area of group therapy, where both attrition and attendance becomes of primary concern. The present study examined both pretreatment and treatment-specific variables in the prospective prediction of attendance and attrition in group therapy.
Fifty-two participants were randomized to one of two 12-week group treatments. Participants completed baseline interviews and questionnaires, as well as weekly assessments of treatment-specific factors.
No pretreatment factors predicted attendance or drop out, although men attended a larger amount of sessions and were less likely to drop out. Cross-lagged panel analyses supported bidirectional, causal relationships both treatment-specific predictors (therapeutic alliance and number of therapeutic techniques) and attendance.
Successful retention in group therapy may be less predictable from pretreatment factors and instead lie in increasing alliance and fostering the practice of therapeutic strategies.
Successful retention in group therapy may be less predictable from pretreatment factors and instead lie in increasing alliance and fostering the practice of therapeutic strategies.
Aggressive resection of buccal cancer simultaneously leaves both oral and lateral facial defects. It is unknown whether a perforator-based chimeric anterolateral thigh (ALT) flap, with a muscular component, is suitable for the reconstruction of these complicated defects.
In this retrospective study, 48 patients with a buccal carcinoma (T2 N0-1 M0), who underwent extensive surgical resection, were enrolled. Twenty-seven cases underwent reconstruction using the classical ALT perforator flap (classical group), and 21 cases used the chimeric ALT perforator flap with vastus lateralis muscle mass (chimeric group). The incidence of wound infection, lower limb extremity function, facial appearance, survival curves, and quality of life were compared between groups.
The incidence of wound infection or effusion was lower in the chimeric group than in the classical group. The aesthetic result achieved in the chimeric group was better than in the classical group. Meanwhile, there was no significant difference in the function of the donor site between groups.
The chimeric ALT perforator flap, with a muscular component, can reconstruct both the oral and lateral face defects accurately. It sustains the profile of the lateral face and decreases the incidence of wound infection.
The chimeric ALT perforator flap, with a muscular component, can reconstruct both the oral and lateral face defects accurately. It sustains the profile of the lateral face and decreases the incidence of wound infection.Since 2016, annually occurring species-specific die-offs of brown trout (Salmo trutta fario) occurred in the Thur River, situated in the Eastern part of Switzerland. These events lead to drastically reduced population densities in the impacted river regions. Clinical signs in brown trout and mortality were restricted to few weeks in August/September. To characterize the syndrome and to find possible causes, from end of March to November 2018, one-year-old brown trout (Salmo trutta fario) and rainbow trout (Oncorhynchus mykiss) were exposed to water from Thur River, fish were sampled regularly and screened for infectious agents, including viral metagenomics, and pathology was described. Starting approximately four months post-exposure, brown trout showed severe lymphohistiocytic pancarditis and necrotizing and haemorrhagic hepatitis. These lesions were recorded until the end of the experiment in November. Rainbow trout were not affected at any point in time. No infectious agents could be identified so far as cause of disease, especially no viral aetiology.
In each country, the highest practice-to-population (PtP) ratios were found in Forth Valley (17,194) (Scotland), Southern HSCT (15,115) (Northern Ireland) and Hywel Dda UHB (Wales) (17,907). Dental services are distributed unequally between urban and rural areas. PtP ratios coupled with GIS analysis are important tools to improve HROH distribution. Dental services are distributed unequally between urban and rural areas. PtP ratios coupled with GIS analysis are important tools to improve HROH distribution. To investigate the effects of geniposide in an iridoid found in Gardenia jasminoides var. radicans Makino (GJRM) in spontaneous hypertensive rat (SHR) and explore the possible mechanisms. In this study, we detected the content of geniposide in GJRM by high-performance liquid chromatography (HPLC). Then, we used acute diuretic experiments to determine whether geniposide has diuretic effect. Moreover, we carried out experiments on SHR to further study the mechanism of hypertension, while real-time PCR, Western blot and immunohistochemistry were used for the experiments in vivo test. https://www.selleckchem.com/products/fdw028.html Hypotonic model was used for in vitro test. Our data showed that the content of geniposide in the extract of GJRM is 27.54%. Meanwhile, 50mg/kg geniposide showed the strongest effect on promoting urine volume. Further study indicated that the extract of GJRM and geniposide could significantly reduce blood pressure and promote the excretion of urine and Na in SHR. In addition, geniposide significantly inhibited the activation of the with-no-lysine kinase (WNK) signalling pathway and significantly increases the protein expressions of estrogen receptor α (ERα), estrogen receptor β (ERβ) and G protein-coupled receptor 30 (GPR30) in SHR. In hypotonic model, geniposide significantly inhibits the phosphorylation of NKCC and NCC and could be antagonistic to estrogen receptor antagonists. Collectively, we would suggest that geniposide may potentially be utilized as an adjunct to existing thiazide and thiazide-like diuretics to control hypertension, mainly through inhibiting the activation of the WNK signalling pathway mediated by the estrogen receptor. Collectively, we would suggest that geniposide may potentially be utilized as an adjunct to existing thiazide and thiazide-like diuretics to control hypertension, mainly through inhibiting the activation of the WNK signalling pathway mediated by the estrogen receptor.The incidence of acute and chronic wound diseases is rising due to various reasons. With complicated pathogenesis, long course, difficult treatment and high disability, wound diseases have become a major burden for patients, their families, and society. Therefore, the focus of research is to identify new ideas and methods for treatment. Fat grafting has gained increased attention because of its effectiveness in wound treatment, and further analysis has uncovered that the stem cells derived from fat may be the main factor affecting wound healing. We summarize the function of adipose stem cells and analyze their possible mechanisms in tissue repair, helping to provide new ideas for the treatment of wound healing. There exists a dearth of research focused explicitly on predictors of attrition, particularly in the area of group therapy, where both attrition and attendance becomes of primary concern. The present study examined both pretreatment and treatment-specific variables in the prospective prediction of attendance and attrition in group therapy. Fifty-two participants were randomized to one of two 12-week group treatments. Participants completed baseline interviews and questionnaires, as well as weekly assessments of treatment-specific factors. No pretreatment factors predicted attendance or drop out, although men attended a larger amount of sessions and were less likely to drop out. Cross-lagged panel analyses supported bidirectional, causal relationships both treatment-specific predictors (therapeutic alliance and number of therapeutic techniques) and attendance. Successful retention in group therapy may be less predictable from pretreatment factors and instead lie in increasing alliance and fostering the practice of therapeutic strategies. Successful retention in group therapy may be less predictable from pretreatment factors and instead lie in increasing alliance and fostering the practice of therapeutic strategies. Aggressive resection of buccal cancer simultaneously leaves both oral and lateral facial defects. It is unknown whether a perforator-based chimeric anterolateral thigh (ALT) flap, with a muscular component, is suitable for the reconstruction of these complicated defects. In this retrospective study, 48 patients with a buccal carcinoma (T2 N0-1 M0), who underwent extensive surgical resection, were enrolled. Twenty-seven cases underwent reconstruction using the classical ALT perforator flap (classical group), and 21 cases used the chimeric ALT perforator flap with vastus lateralis muscle mass (chimeric group). The incidence of wound infection, lower limb extremity function, facial appearance, survival curves, and quality of life were compared between groups. The incidence of wound infection or effusion was lower in the chimeric group than in the classical group. The aesthetic result achieved in the chimeric group was better than in the classical group. Meanwhile, there was no significant difference in the function of the donor site between groups. The chimeric ALT perforator flap, with a muscular component, can reconstruct both the oral and lateral face defects accurately. It sustains the profile of the lateral face and decreases the incidence of wound infection. The chimeric ALT perforator flap, with a muscular component, can reconstruct both the oral and lateral face defects accurately. It sustains the profile of the lateral face and decreases the incidence of wound infection.Since 2016, annually occurring species-specific die-offs of brown trout (Salmo trutta fario) occurred in the Thur River, situated in the Eastern part of Switzerland. These events lead to drastically reduced population densities in the impacted river regions. Clinical signs in brown trout and mortality were restricted to few weeks in August/September. To characterize the syndrome and to find possible causes, from end of March to November 2018, one-year-old brown trout (Salmo trutta fario) and rainbow trout (Oncorhynchus mykiss) were exposed to water from Thur River, fish were sampled regularly and screened for infectious agents, including viral metagenomics, and pathology was described. Starting approximately four months post-exposure, brown trout showed severe lymphohistiocytic pancarditis and necrotizing and haemorrhagic hepatitis. These lesions were recorded until the end of the experiment in November. Rainbow trout were not affected at any point in time. No infectious agents could be identified so far as cause of disease, especially no viral aetiology.0 Commenti 0 condivisioni 17 Views 0 Anteprima -
Identifying how past environmental conditions shaped the evolution of corals and their skeletal traits provides a framework for predicting their persistence and that of their non-calcifying relatives under impending global warming and ocean acidification. Here we show that ocean geochemistry, particularly aragonite-calcite seas, drives patterns of morphological evolution in anthozoans (corals, sea anemones) by examining skeletal traits in the context of a robust, time-calibrated phylogeny. The lability of skeletal composition among octocorals suggests a greater ability to adapt to changes in ocean chemistry compared with the homogeneity of the aragonitic skeleton of scleractinian corals. Pulses of diversification in anthozoans follow mass extinctions and reef crises, with sea anemones and proteinaceous corals filling empty niches as tropical reef builders went extinct. Changing environmental conditions will likely diminish aragonitic reef-building scleractinians, but the evolutionary history of the Anthozoa suggests other groups will persist and diversify in their wake.Host individuals are often coinfected with diverse parasite assemblages, resulting in complex interactions among parasites within hosts. Within hosts, priority effects occur when the infection sequence alters the outcome of interactions among parasites. Yet, the role of host immunity in this process remains poorly understood. We hypothesized that the host response to the first infection could generate priority effects among parasites, altering the assembly of later-arriving strains during epidemics. We tested this by infecting sentinel host genotypes of Plantago lanceolata with strains of the fungal parasite Podosphaera plantaginis and measuring susceptibility to subsequent infection during experimental and natural epidemics. In these experiments, prior infection by one strain often increased susceptibility to other strains, and these facilitative priority effects altered the structure of parasite assemblages, but this effect depended on host genotype, host population and parasite genotype. https://www.selleckchem.com/products/rogaratinib.html Thus, host genotype, spatial structure and priority effects among strains all independently altered parasite assembly. Using a fine-scale survey and sampling of infections on wild hosts in several populations, we then identified a signal of facilitative priority effects, which altered parasite assembly during natural epidemics. Together, these results provide evidence that within-host priority effects of early-arriving strains can drive parasite assembly, with implications for how strain diversity is spatially and temporally distributed during epidemics.The translational power of human microbiome studies is limited by high interindividual variation. We describe a dimensionality reduction tool, compositional tensor factorization (CTF), that incorporates information from the same host across multiple samples to reveal patterns driving differences in microbial composition across phenotypes. CTF identifies robust patterns in sparse compositional datasets, allowing for the detection of microbial changes associated with specific phenotypes that are reproducible across datasets.Cellular metabolism regulates immune cell activation, differentiation and effector functions, but current metabolic approaches lack single-cell resolution and simultaneous characterization of cellular phenotype. In this study, we developed an approach to characterize the metabolic regulome of single cells together with their phenotypic identity. The method, termed single-cell metabolic regulome profiling (scMEP), quantifies proteins that regulate metabolic pathway activity using high-dimensional antibody-based technologies. We employed mass cytometry (cytometry by time of flight, CyTOF) to benchmark scMEP against bulk metabolic assays by reconstructing the metabolic remodeling of in vitro-activated naive and memory CD8+ T cells. We applied the approach to clinical samples and identified tissue-restricted, metabolically repressed cytotoxic T cells in human colorectal carcinoma. Combining our method with multiplexed ion beam imaging by time of flight (MIBI-TOF), we uncovered the spatial organization of metabolic programs in human tissues, which indicated exclusion of metabolically repressed immune cells from the tumor-immune boundary. Overall, our approach enables robust approximation of metabolic and functional states in individual cells.Tcf-1 (encoded by Tcf7) not only plays critical roles in promoting T cell development and differentiation but also has been identified as a tumor suppressor involved in preventing T cell malignancy. However, the comprehensive mechanisms of Tcf-1 involved in T cell transformation remain poorly understood. In this study, Tcf7fl/fl **** were crossed with Vav-cre, Lck-cre, or Cd4-cre **** to delete Tcf-1 conditionally at the beginning of the HSC, DN2-DN3, or DP stage, respectively. The defective T cell development phenotypes became gradually less severe as the deletion stage became more advanced in distinct mouse models. Interestingly, consistent with Tcf7-/- ****, Tcf7fl/flVav-cre **** developed aggressive T cell lymphoma within 45 weeks, but no tumors were generated in Tcf7fl/flLck-cre or Tcf7fl/flCd4-cre ****. Single-cell RNA-seq (ScRNA-seq) indicated that ablation of Tcf-1 at distinct phases can subdivide DN1 cells into three clusters (C1, C2, and C3) and DN2-DN3 cells into three clusters (C4, C5, and C6). Moreover, Tcf-1 deficiency redirects bifurcation among divergent cell fates, and clusters C1 and C4 exhibit high potential for leukemic transformation. Mechanistically, we found that Tcf-1 directly binds and mediates chromatin accessibility for both typical T cell regulators and proto-oncogenes, including Myb, ****, Runx1, and Lyl1 in the DN1 phase and Lef1, Id2, Dtx1, Fyn, Bcl11b, and Zfp36l2 in the DN2-DN3 phase. The aberrant expression of these genes due to Tcf-1 deficiency in very early T cells contributes to subsequent tumorigenesis. Thus, we demonstrated that Tcf-1 plays stage-specific roles in regulating early thymocyte development and transformation, providing new insights and evidence for clinical trials on T-ALL leukemia.
Identifying how past environmental conditions shaped the evolution of corals and their skeletal traits provides a framework for predicting their persistence and that of their non-calcifying relatives under impending global warming and ocean acidification. Here we show that ocean geochemistry, particularly aragonite-calcite seas, drives patterns of morphological evolution in anthozoans (corals, sea anemones) by examining skeletal traits in the context of a robust, time-calibrated phylogeny. The lability of skeletal composition among octocorals suggests a greater ability to adapt to changes in ocean chemistry compared with the homogeneity of the aragonitic skeleton of scleractinian corals. Pulses of diversification in anthozoans follow mass extinctions and reef crises, with sea anemones and proteinaceous corals filling empty niches as tropical reef builders went extinct. Changing environmental conditions will likely diminish aragonitic reef-building scleractinians, but the evolutionary history of the Anthozoa suggests other groups will persist and diversify in their wake.Host individuals are often coinfected with diverse parasite assemblages, resulting in complex interactions among parasites within hosts. Within hosts, priority effects occur when the infection sequence alters the outcome of interactions among parasites. Yet, the role of host immunity in this process remains poorly understood. We hypothesized that the host response to the first infection could generate priority effects among parasites, altering the assembly of later-arriving strains during epidemics. We tested this by infecting sentinel host genotypes of Plantago lanceolata with strains of the fungal parasite Podosphaera plantaginis and measuring susceptibility to subsequent infection during experimental and natural epidemics. In these experiments, prior infection by one strain often increased susceptibility to other strains, and these facilitative priority effects altered the structure of parasite assemblages, but this effect depended on host genotype, host population and parasite genotype. https://www.selleckchem.com/products/rogaratinib.html Thus, host genotype, spatial structure and priority effects among strains all independently altered parasite assembly. Using a fine-scale survey and sampling of infections on wild hosts in several populations, we then identified a signal of facilitative priority effects, which altered parasite assembly during natural epidemics. Together, these results provide evidence that within-host priority effects of early-arriving strains can drive parasite assembly, with implications for how strain diversity is spatially and temporally distributed during epidemics.The translational power of human microbiome studies is limited by high interindividual variation. We describe a dimensionality reduction tool, compositional tensor factorization (CTF), that incorporates information from the same host across multiple samples to reveal patterns driving differences in microbial composition across phenotypes. CTF identifies robust patterns in sparse compositional datasets, allowing for the detection of microbial changes associated with specific phenotypes that are reproducible across datasets.Cellular metabolism regulates immune cell activation, differentiation and effector functions, but current metabolic approaches lack single-cell resolution and simultaneous characterization of cellular phenotype. In this study, we developed an approach to characterize the metabolic regulome of single cells together with their phenotypic identity. The method, termed single-cell metabolic regulome profiling (scMEP), quantifies proteins that regulate metabolic pathway activity using high-dimensional antibody-based technologies. We employed mass cytometry (cytometry by time of flight, CyTOF) to benchmark scMEP against bulk metabolic assays by reconstructing the metabolic remodeling of in vitro-activated naive and memory CD8+ T cells. We applied the approach to clinical samples and identified tissue-restricted, metabolically repressed cytotoxic T cells in human colorectal carcinoma. Combining our method with multiplexed ion beam imaging by time of flight (MIBI-TOF), we uncovered the spatial organization of metabolic programs in human tissues, which indicated exclusion of metabolically repressed immune cells from the tumor-immune boundary. Overall, our approach enables robust approximation of metabolic and functional states in individual cells.Tcf-1 (encoded by Tcf7) not only plays critical roles in promoting T cell development and differentiation but also has been identified as a tumor suppressor involved in preventing T cell malignancy. However, the comprehensive mechanisms of Tcf-1 involved in T cell transformation remain poorly understood. In this study, Tcf7fl/fl mice were crossed with Vav-cre, Lck-cre, or Cd4-cre mice to delete Tcf-1 conditionally at the beginning of the HSC, DN2-DN3, or DP stage, respectively. The defective T cell development phenotypes became gradually less severe as the deletion stage became more advanced in distinct mouse models. Interestingly, consistent with Tcf7-/- mice, Tcf7fl/flVav-cre mice developed aggressive T cell lymphoma within 45 weeks, but no tumors were generated in Tcf7fl/flLck-cre or Tcf7fl/flCd4-cre mice. Single-cell RNA-seq (ScRNA-seq) indicated that ablation of Tcf-1 at distinct phases can subdivide DN1 cells into three clusters (C1, C2, and C3) and DN2-DN3 cells into three clusters (C4, C5, and C6). Moreover, Tcf-1 deficiency redirects bifurcation among divergent cell fates, and clusters C1 and C4 exhibit high potential for leukemic transformation. Mechanistically, we found that Tcf-1 directly binds and mediates chromatin accessibility for both typical T cell regulators and proto-oncogenes, including Myb, Mycn, Runx1, and Lyl1 in the DN1 phase and Lef1, Id2, Dtx1, Fyn, Bcl11b, and Zfp36l2 in the DN2-DN3 phase. The aberrant expression of these genes due to Tcf-1 deficiency in very early T cells contributes to subsequent tumorigenesis. Thus, we demonstrated that Tcf-1 plays stage-specific roles in regulating early thymocyte development and transformation, providing new insights and evidence for clinical trials on T-ALL leukemia.0 Commenti 0 condivisioni 20 Views 0 Anteprima -
Texan Las isolates were closely related, while Florida and Asian isolates exhibited the most genetic variation. https://www.selleckchem.com/products/cpi-1612.html We have identified conserved Sec translocon (SEC)-dependent effectors likely involved in bacterial survival and virulence of Las and analysed their expression in their plant host (citrus) and insect vector (Diaphorina citri). Individual SEC-dependent effectors exhibited differential expression patterns between host and vector, indicating that Las uses its effector repertoire to differentially modulate diverse organisms. Collectively, this work provides insights into the evolution of 'Ca. Liberibacter' species, the introduction of Las in the United States and identifies promising Las targets for disease management. © 2020 The Authors. Molecular Plant Pathology published by British Society for Plant Pathology and John Wiley & Sons Ltd.OBJECTIVE This study aims to describe temporal trends, characteristics, and clinical outcomes of patients with more than one unplanned readmission within 30 and 180 days after admission with percutaneous coronary intervention (PCI). BACKGROUND There is limited understanding of multiple readmissions after PCI. METHODS Patients undergoing PCI between 2010 and 2014 in the U.S. Nationwide Readmission Database were evaluated for unplanned readmissions at 30 and 180 days after discharge. Trends in multiple readmissions, characteristics of patients, and causes of first readmissions are described. RESULTS A total of 2,324,194 patients were included in the analysis of 30-day unplanned readmissions and 1,327,799 patients in the analysis of 180-day unplanned readmission. The proportions of patients with a single readmission and multiple readmissions within 30 days were 8.5 and 1.0% and at 180 days were 15.4 and 9.1%, respectively. Common reasons for first readmission among patients with multiple readmissions were coronary artery disease, including angina, heart failure, and acute myocardial infarction. Factors associated with multiple readmissions were discharge against medical advice, discharge to care home, renal failure, and liver failure. The total cost of multiple readmissions is significant, with an increase from ~$20,000 for no readmission to over $60,000 at 30-day follow up and $86,000 at 180-day follow up. CONCLUSIONS Multiple readmissions are rare within 30 days after PCI but increase to nearly 1 in 10 patients at 180 days, and 20-25% of patients who have multiple readmissions are readmitted for the same cause as for the first and second readmissions. © 2020 Wiley Periodicals, Inc.AIM To compare the transcutaneous oxygen pressure results observed in patients with severe walking limitation during standard procedures (3.2 km/hr, 10% slope) versus during a test performed at a low speed (2 km/hr, 10% slope). METHODS In 31 patients, the decrease from rest of oxygen pressure (DROP) index was measured on both buttocks, both thighs and both calves during two consecutive tests on treadmill. The maximal walking time (MWT) and the minimal DROP values (DROPmin ) observed during the 2 tests were compared with t test. Correlation of DROPmin values during the slow and standard procedure was performed with linear regression. The -15 mmHg cut-off value defined for standard test interpretation was used arbitrarily for the interpretation of slow test results. RESULTS MWT was 80 ± 52 s versus 376 ± 269 s at standard and slow speed, respectively (p less then .001). No difference on all recorded DROPmin values at a standard (-9.5 ± 6.9 mmHg) and slow (-10.5 ± 7.9 mmHg) speed was found; n = 186, p = .168. Coefficient of correlation between DROPmin s found at the two tests was r = 0.820 (p less then .01), with regression line close to the line of identity. With the identical -15 mmHg cut-off, 166 (89.2%) of 186 the results were classified similarly after standard and slow procedures. CONCLUSION Specific slow treadmill procedures are not mandatory in patients with extremely short test durations when performing standard (3.2 km/hr 10% slope) exercise oximetry. In patients expected to be unable to walk at standard speed, the -15 mmHg normal limit seems to be valid for the interpretation of tests with a slow procedure (2.0 km/hr). © 2020 Scandinavian Society of Clinical Physiology and Nuclear Medicine. Published by John Wiley & Sons Ltd.Incidence of cardiovascular diseases (CVD) in the Philippines based on the Philippine Heart Association survey among hospital-based population showed hypertension as the highest (38.6%), followed by stroke (30%), coronary artery disease (***) (17.5%), and heart failure (10.4%). Based on Philippine FNRI data, the prevalence of coronary, cerebrovascular, and peripheral arterial diseases were 1.1%, 0.9%, and 1.0%, respectively. Cardiovascular risk factor prevalence were the following diabetes at 3.9%, dyslipidemia at 72%, smoking at 31%, obesity at 4.9% (BMI), and 10.2% and 65.6% by waist-hip ratio in men and women, respectively. In a more recent study on risk factors, urban dwellers were more hypertensive, overweight, obese, and with impaired fasting glucose. More smokers and dyslipidemia by high TC, high non-HDL-C, and low HDL-C were seen in those living in the rural areas. Subjects with higher level of education were more overweight, obese and have dyslipidemia by a high TC, TG, and LDL-C while there were more smokers, low HDL-C, and hypertensive participants who have reached a lower level of education. Latest data on prevalence of hypertension were 28% equal for males and females. Unaware was 9%. Treatment rate was 56%, compliance was 57%, and BP control rate was 20%. Antihypertensive medications used were beta-blockers (36%), calcium channel blockers (CCB) (33%), angiotensin receptor blockers (ARB) (28%), ACE inhibitors (5%), and centrally acting agents (4%). Mortality from CVD was stroke, mostly infarct (22.6%), myocardial infarction (6.5%), and Heart Failure (6.5%). © 2020 Wiley Periodicals, Inc.Principles for the design and synthesis of novel bioactive compounds can efficiently draw from insights gained into natural product (NP) structure and bioactivity, including complexity-to-diversity approaches and biology-oriented synthesis. Pseudo-natural product design goes beyond these principles, and combines natural product fragments to provide unprecedented NP-inspired compounds not accessible by biosynthesis, yet endowed with biological relevance. Since the bioactivity of pseudo-NPs may be unprecedented or unexpected, they are best evaluated in target agnostic cell-based assays monitoring entire cellular programs or complex phenotypes. We have merged the Cinchona alkaloid scaffold with the indole ring-system to synthesise 'indocinchona alkaloids' via an efficient Pd-catalysed annulation. Exploration of indocinchona alkaloid bioactivity in phenotypic assays revealed a novel class of azaindole-containing autophagy inhibitors, the 'azaquindoles'. Subsequent characterisation of the most potent compound, azaquindole-1, in the morphological "cell painting" assay, guided target identification efforts which revealed that, in contrast to the parent Cinchona alkaloids, azaquindoles selectively inhibit starvation- and rapamycin-induced autophagy by targeting the lipid kinase VPS34.
Texan Las isolates were closely related, while Florida and Asian isolates exhibited the most genetic variation. https://www.selleckchem.com/products/cpi-1612.html We have identified conserved Sec translocon (SEC)-dependent effectors likely involved in bacterial survival and virulence of Las and analysed their expression in their plant host (citrus) and insect vector (Diaphorina citri). Individual SEC-dependent effectors exhibited differential expression patterns between host and vector, indicating that Las uses its effector repertoire to differentially modulate diverse organisms. Collectively, this work provides insights into the evolution of 'Ca. Liberibacter' species, the introduction of Las in the United States and identifies promising Las targets for disease management. © 2020 The Authors. Molecular Plant Pathology published by British Society for Plant Pathology and John Wiley & Sons Ltd.OBJECTIVE This study aims to describe temporal trends, characteristics, and clinical outcomes of patients with more than one unplanned readmission within 30 and 180 days after admission with percutaneous coronary intervention (PCI). BACKGROUND There is limited understanding of multiple readmissions after PCI. METHODS Patients undergoing PCI between 2010 and 2014 in the U.S. Nationwide Readmission Database were evaluated for unplanned readmissions at 30 and 180 days after discharge. Trends in multiple readmissions, characteristics of patients, and causes of first readmissions are described. RESULTS A total of 2,324,194 patients were included in the analysis of 30-day unplanned readmissions and 1,327,799 patients in the analysis of 180-day unplanned readmission. The proportions of patients with a single readmission and multiple readmissions within 30 days were 8.5 and 1.0% and at 180 days were 15.4 and 9.1%, respectively. Common reasons for first readmission among patients with multiple readmissions were coronary artery disease, including angina, heart failure, and acute myocardial infarction. Factors associated with multiple readmissions were discharge against medical advice, discharge to care home, renal failure, and liver failure. The total cost of multiple readmissions is significant, with an increase from ~$20,000 for no readmission to over $60,000 at 30-day follow up and $86,000 at 180-day follow up. CONCLUSIONS Multiple readmissions are rare within 30 days after PCI but increase to nearly 1 in 10 patients at 180 days, and 20-25% of patients who have multiple readmissions are readmitted for the same cause as for the first and second readmissions. © 2020 Wiley Periodicals, Inc.AIM To compare the transcutaneous oxygen pressure results observed in patients with severe walking limitation during standard procedures (3.2 km/hr, 10% slope) versus during a test performed at a low speed (2 km/hr, 10% slope). METHODS In 31 patients, the decrease from rest of oxygen pressure (DROP) index was measured on both buttocks, both thighs and both calves during two consecutive tests on treadmill. The maximal walking time (MWT) and the minimal DROP values (DROPmin ) observed during the 2 tests were compared with t test. Correlation of DROPmin values during the slow and standard procedure was performed with linear regression. The -15 mmHg cut-off value defined for standard test interpretation was used arbitrarily for the interpretation of slow test results. RESULTS MWT was 80 ± 52 s versus 376 ± 269 s at standard and slow speed, respectively (p less then .001). No difference on all recorded DROPmin values at a standard (-9.5 ± 6.9 mmHg) and slow (-10.5 ± 7.9 mmHg) speed was found; n = 186, p = .168. Coefficient of correlation between DROPmin s found at the two tests was r = 0.820 (p less then .01), with regression line close to the line of identity. With the identical -15 mmHg cut-off, 166 (89.2%) of 186 the results were classified similarly after standard and slow procedures. CONCLUSION Specific slow treadmill procedures are not mandatory in patients with extremely short test durations when performing standard (3.2 km/hr 10% slope) exercise oximetry. In patients expected to be unable to walk at standard speed, the -15 mmHg normal limit seems to be valid for the interpretation of tests with a slow procedure (2.0 km/hr). © 2020 Scandinavian Society of Clinical Physiology and Nuclear Medicine. Published by John Wiley & Sons Ltd.Incidence of cardiovascular diseases (CVD) in the Philippines based on the Philippine Heart Association survey among hospital-based population showed hypertension as the highest (38.6%), followed by stroke (30%), coronary artery disease (CAD) (17.5%), and heart failure (10.4%). Based on Philippine FNRI data, the prevalence of coronary, cerebrovascular, and peripheral arterial diseases were 1.1%, 0.9%, and 1.0%, respectively. Cardiovascular risk factor prevalence were the following diabetes at 3.9%, dyslipidemia at 72%, smoking at 31%, obesity at 4.9% (BMI), and 10.2% and 65.6% by waist-hip ratio in men and women, respectively. In a more recent study on risk factors, urban dwellers were more hypertensive, overweight, obese, and with impaired fasting glucose. More smokers and dyslipidemia by high TC, high non-HDL-C, and low HDL-C were seen in those living in the rural areas. Subjects with higher level of education were more overweight, obese and have dyslipidemia by a high TC, TG, and LDL-C while there were more smokers, low HDL-C, and hypertensive participants who have reached a lower level of education. Latest data on prevalence of hypertension were 28% equal for males and females. Unaware was 9%. Treatment rate was 56%, compliance was 57%, and BP control rate was 20%. Antihypertensive medications used were beta-blockers (36%), calcium channel blockers (CCB) (33%), angiotensin receptor blockers (ARB) (28%), ACE inhibitors (5%), and centrally acting agents (4%). Mortality from CVD was stroke, mostly infarct (22.6%), myocardial infarction (6.5%), and Heart Failure (6.5%). © 2020 Wiley Periodicals, Inc.Principles for the design and synthesis of novel bioactive compounds can efficiently draw from insights gained into natural product (NP) structure and bioactivity, including complexity-to-diversity approaches and biology-oriented synthesis. Pseudo-natural product design goes beyond these principles, and combines natural product fragments to provide unprecedented NP-inspired compounds not accessible by biosynthesis, yet endowed with biological relevance. Since the bioactivity of pseudo-NPs may be unprecedented or unexpected, they are best evaluated in target agnostic cell-based assays monitoring entire cellular programs or complex phenotypes. We have merged the Cinchona alkaloid scaffold with the indole ring-system to synthesise 'indocinchona alkaloids' via an efficient Pd-catalysed annulation. Exploration of indocinchona alkaloid bioactivity in phenotypic assays revealed a novel class of azaindole-containing autophagy inhibitors, the 'azaquindoles'. Subsequent characterisation of the most potent compound, azaquindole-1, in the morphological "cell painting" assay, guided target identification efforts which revealed that, in contrast to the parent Cinchona alkaloids, azaquindoles selectively inhibit starvation- and rapamycin-induced autophagy by targeting the lipid kinase VPS34.0 Commenti 0 condivisioni 19 Views 0 Anteprima -
TGF-β reduced CD154 expression on ILC2 stimulated with IL-25/IL-33. This study defines possible cellular and molecular mechanisms responsible for modulation and inhibition of human ILC2 activity. These results may be useful in the development of strategies aimed to dampen ILC2 function in type-2 mediated diseases.Novel coronavirus disease (COVID-19) can have variety of cardiac manifestations; however, less is known about the prevalence, clinical characteristics and outcomes of bradyarrhythmias in patients with COVID-19. In the present case series of bradyarrhythmia in patients with COVID-19, we report complete heart block requiring intervention in 5 patients and sinus node dysfunction in 2 patients.The proteasomal degradation system is one of the most important protein degradation systems in the cytosol and nucleus. https://www.selleckchem.com/products/gne-049.html This system is present in two major forms the ATP-stimulated 26S/30 S proteasome or the ATP-independent 20S core proteasome. While the first recognize ubiquitin-tagged target proteins and degrade them, the 20S proteasome works also independent from ATP, but requires partially unfolded substrates. While the role of the proteasome in the selective removal of oxidized proteins is undoubted, the debate about a selective ubiquitination of oxidized proteins is still ongoing. Here we demonstrate, that under some conditions of oxidative stress an accumulation of oxidized and of K48-ubiquitinated proteins occurs. However, the removal of oxidized proteins seems not to be linked to ubiquitination. In further experiments, we could show that the accumulation of ubiquitinated proteins under certain oxidative stress conditions is rather a result of a different sensitivity of the 26S proteasome and the ubiquitination machinery towards oxidants.Glioblastoma multiforme (GBM) is the most common and aggressive primary malignant brain tumor. Maximal surgical resection followed by radiotherapy and concomitant chemotherapy with temozolomide remains the first-line therapy, prolonging the survival of patients by an average of only 2.5 months. There is therefore an urgent need for novel therapeutic strategies to improve clinical outcomes. Reactive oxygen species (ROS) are an important contributor to GBM development. Here, we describe the rational design and synthesis of a stable hybrid molecule tethering two ROS regulating moieties, with the aim of constructing a chemopreventive and anticancer chemical entity that retains the properties of the parent compounds. We utilized the selective AT1R antagonist losartan, leading to the inhibition of ROS levels, and the antioxidant flavonoid quercetin. In GBM cells, we show that this hybrid retains the binding potential of losartan to the AT1R through competition-binding experiments and simultaneously exhibits ROS inhibition and antioxidant capacity similar to native quercetin. In addition, we demonstrate that the hybrid is able to alter the cell cycle distribution of GBM cells, leading to cell cycle arrest and to the induction of cytotoxic effects. Last, the hybrid significantly and selectively reduces cancer cell proliferation and angiogenesis in primary GBM cultures with respect to the isolated parent components or their simple combination, further emphasizing the potential utility of the current hybridization approach in GBM.The prediction of absorption properties plays a key role in formulation development when the compound under development shows poor solubility and its absorption is therefore presumed to be solubility limited. In our work, we combined and compared data obtained from in vitro dissolution tests, transit intestinal model studies (TIM-1) and physiologically based pharmacokinetic modelling. Our aim was to determine the ability of these methods to predict performance of poorly soluble lipophilic weak base in vivo. The validity of the predictive methods was evaluated against the in vivo clinical pharmacokinetic (PK) data obtained after administration of the first test formulation, T1. The aim of our study was to utilize the models in evaluating absorption properties of the second test formulation, T2, which has not yet been clinically administered. The compound in the studies was ODM-204, which is a novel, orally administered, investigational, nonsteroidal dual inhibitor of CYP17A1 and androgen receptor. Owing to its physicochemical properties ODM-204 is prone to low or variable bioavailability. The models examined provided congruent data on dose dependent absorption, food effect at a dose of 200 mg and on the effect of API (active pharmaceutical ingredient) particle size on absorption. Our study shows that the predictive tools of in vitro dissolution, TIM-1 system and the PBPK (physiologically based pharmacokinetic) simulation, showed predictive power of different mechanisms of bioavailability and together provided valuable information for decision making.Corneal neovascularization (NV) predisposes patients to compromised corneal transparency and visional acuity. Sunitinib malate (Sunb-malate) targeting against multiple receptor tyrosine kinases, exerts potent antiangiogenesis. However, the rapid clearance of Sunb-malate eye drops administered through topical instillation limits its therapeutic efficacy and poses a challenge for potential patient compliance. Sunb-malate, the water-soluble form of sunitinib, was shown to have higher intraocular penetration through transscleral diffusion following subconjunctival (SCT) injection in comparison to its sunitinib free base formulation. However, it is difficult to load highly water-soluble drugs and achieve sustained drug release. We developed Sunb-malate loaded poly(D,L-lactic-co-glycolic acid) (PLGA) microspheres (Sunb-malate MS) with a particle size of approximately 15 μm and a drug loading of 7 wt%. Sunb-malate MS sustained the drug release for 30 days under the in vitro infinite sink condition. Subconjunctival (SCT) injection of Sunb-malate MS provided a prolonged ocular drug retention and did not cause ocular toxicity at a dose of 150 μg of active agent. Sunb-malate MS following SCT injection more effectively suppressed the suture-induced corneal NV than either Sunb-malate free drug or the placebo MS. Local sustained release of Sunb-malate through the SCT injection of Sunb-malate MS mitigated the proliferation of vascular endothelial cells and the recruitment of mural cells into the cornea. Moreover, the gene upregulation of proangiogenic factors induced by the pathological process was greatly neutralized by SCT injection of Sunb-malate MS. Our findings provide a sustained release platform for local delivery of tyrosine kinase inhibitors to treat corneal NV.
TGF-β reduced CD154 expression on ILC2 stimulated with IL-25/IL-33. This study defines possible cellular and molecular mechanisms responsible for modulation and inhibition of human ILC2 activity. These results may be useful in the development of strategies aimed to dampen ILC2 function in type-2 mediated diseases.Novel coronavirus disease (COVID-19) can have variety of cardiac manifestations; however, less is known about the prevalence, clinical characteristics and outcomes of bradyarrhythmias in patients with COVID-19. In the present case series of bradyarrhythmia in patients with COVID-19, we report complete heart block requiring intervention in 5 patients and sinus node dysfunction in 2 patients.The proteasomal degradation system is one of the most important protein degradation systems in the cytosol and nucleus. https://www.selleckchem.com/products/gne-049.html This system is present in two major forms the ATP-stimulated 26S/30 S proteasome or the ATP-independent 20S core proteasome. While the first recognize ubiquitin-tagged target proteins and degrade them, the 20S proteasome works also independent from ATP, but requires partially unfolded substrates. While the role of the proteasome in the selective removal of oxidized proteins is undoubted, the debate about a selective ubiquitination of oxidized proteins is still ongoing. Here we demonstrate, that under some conditions of oxidative stress an accumulation of oxidized and of K48-ubiquitinated proteins occurs. However, the removal of oxidized proteins seems not to be linked to ubiquitination. In further experiments, we could show that the accumulation of ubiquitinated proteins under certain oxidative stress conditions is rather a result of a different sensitivity of the 26S proteasome and the ubiquitination machinery towards oxidants.Glioblastoma multiforme (GBM) is the most common and aggressive primary malignant brain tumor. Maximal surgical resection followed by radiotherapy and concomitant chemotherapy with temozolomide remains the first-line therapy, prolonging the survival of patients by an average of only 2.5 months. There is therefore an urgent need for novel therapeutic strategies to improve clinical outcomes. Reactive oxygen species (ROS) are an important contributor to GBM development. Here, we describe the rational design and synthesis of a stable hybrid molecule tethering two ROS regulating moieties, with the aim of constructing a chemopreventive and anticancer chemical entity that retains the properties of the parent compounds. We utilized the selective AT1R antagonist losartan, leading to the inhibition of ROS levels, and the antioxidant flavonoid quercetin. In GBM cells, we show that this hybrid retains the binding potential of losartan to the AT1R through competition-binding experiments and simultaneously exhibits ROS inhibition and antioxidant capacity similar to native quercetin. In addition, we demonstrate that the hybrid is able to alter the cell cycle distribution of GBM cells, leading to cell cycle arrest and to the induction of cytotoxic effects. Last, the hybrid significantly and selectively reduces cancer cell proliferation and angiogenesis in primary GBM cultures with respect to the isolated parent components or their simple combination, further emphasizing the potential utility of the current hybridization approach in GBM.The prediction of absorption properties plays a key role in formulation development when the compound under development shows poor solubility and its absorption is therefore presumed to be solubility limited. In our work, we combined and compared data obtained from in vitro dissolution tests, transit intestinal model studies (TIM-1) and physiologically based pharmacokinetic modelling. Our aim was to determine the ability of these methods to predict performance of poorly soluble lipophilic weak base in vivo. The validity of the predictive methods was evaluated against the in vivo clinical pharmacokinetic (PK) data obtained after administration of the first test formulation, T1. The aim of our study was to utilize the models in evaluating absorption properties of the second test formulation, T2, which has not yet been clinically administered. The compound in the studies was ODM-204, which is a novel, orally administered, investigational, nonsteroidal dual inhibitor of CYP17A1 and androgen receptor. Owing to its physicochemical properties ODM-204 is prone to low or variable bioavailability. The models examined provided congruent data on dose dependent absorption, food effect at a dose of 200 mg and on the effect of API (active pharmaceutical ingredient) particle size on absorption. Our study shows that the predictive tools of in vitro dissolution, TIM-1 system and the PBPK (physiologically based pharmacokinetic) simulation, showed predictive power of different mechanisms of bioavailability and together provided valuable information for decision making.Corneal neovascularization (NV) predisposes patients to compromised corneal transparency and visional acuity. Sunitinib malate (Sunb-malate) targeting against multiple receptor tyrosine kinases, exerts potent antiangiogenesis. However, the rapid clearance of Sunb-malate eye drops administered through topical instillation limits its therapeutic efficacy and poses a challenge for potential patient compliance. Sunb-malate, the water-soluble form of sunitinib, was shown to have higher intraocular penetration through transscleral diffusion following subconjunctival (SCT) injection in comparison to its sunitinib free base formulation. However, it is difficult to load highly water-soluble drugs and achieve sustained drug release. We developed Sunb-malate loaded poly(D,L-lactic-co-glycolic acid) (PLGA) microspheres (Sunb-malate MS) with a particle size of approximately 15 μm and a drug loading of 7 wt%. Sunb-malate MS sustained the drug release for 30 days under the in vitro infinite sink condition. Subconjunctival (SCT) injection of Sunb-malate MS provided a prolonged ocular drug retention and did not cause ocular toxicity at a dose of 150 μg of active agent. Sunb-malate MS following SCT injection more effectively suppressed the suture-induced corneal NV than either Sunb-malate free drug or the placebo MS. Local sustained release of Sunb-malate through the SCT injection of Sunb-malate MS mitigated the proliferation of vascular endothelial cells and the recruitment of mural cells into the cornea. Moreover, the gene upregulation of proangiogenic factors induced by the pathological process was greatly neutralized by SCT injection of Sunb-malate MS. Our findings provide a sustained release platform for local delivery of tyrosine kinase inhibitors to treat corneal NV.0 Commenti 0 condivisioni 17 Views 0 Anteprima -
lp clinicians review their own clinical activities.Great progresses have been made in comprehension of tissue regeneration process. However, one of the central questions in regeneration research remains to be deciphered is what factors initiate regenerative process. In present study, we focused on systematic profiling of early regulators in tissue regeneration via high-throughput screening on zebrafish caudal fin model. Firstly, 53 GO-annotated regeneration-related genes, which were specifically activated upon fin amputation, were identified according to the transcriptomic analysis. Moreover, qRT-PCR analysis of a couple of randomly selected genes from the aforementioned gene list validated our sequencing results. These studies confirmed the reliability of transcriptome sequencing analysis. Fibroblast growth factor 20a (fgf20a) is a key initial factor in the regeneration of zebrafish. Through a gene expression correlation analysis, we discovered a collection of 70 genes correlating with fgf20a, whose expression increased promptly at 2 days post amputation (dpa) and went down to the basal level until the completion of fin regeneration. In addition, two genes, socs3b and nppc, were chosen to investigate their functions during the fin regeneration. Inhibition of either of those genes significantly delayed the regenerative process. Taken together, we provided a simple and effective time-saving strategy that may serve as a tool for identifying early regulators in regeneration and identified 71 genes as early regulators of fin regeneration.
The aim of this study was to investigate the ocular findings observed in patients with coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 and to present the relationship between ocular involvement,systemic findings, and laboratory results.
This cross-sectional study was carried out between 1 May and 30 June 2020. The study included 359 patients diagnosed with COVID-19 and assessed by clinical evaluation, nasopharyngeal polymerase chain reaction, and lung computed tomography.
One hundred ninety-seven (54.9%) of the patients were male and 162 (45.1%) were female. The mean age of the patients was 58.5 years (20-91). Two hundred ninety-four (81.9%) patients were treated in the inpatient clinic and 65 (18.1%) patients were treated in the intensive care unit. Various ocular diseases were observed in 16 (4.5%) of the patients. Although the rate of ocular disease was 12 out of 294 (4.1%) in patients followed up in the inpatient clinic, this rate was 4 out of 65 (6.2%) in intensive care patients. https://www.selleckchem.com/products/gne-049.html There was no systemic problem in one patient, in whom conjunctival hyperemia was the first and only reason for admission to the hospital. Four patients followed up in the inpatient clinic had conjunctivitis at the time of admission, and conjunctivitis occurred in three patients during hospitalization. Subconjunctival hemorrhage occurred in five patients and vitreous hemorrhage in one patient.
Ocular diseases are uncommon in COVID-19 patients but may occur during the first period of the disease or during follow-up. Ocular diseases may be the initial or only sign of COVID-19 infection.
Ocular diseases are uncommon in COVID-19 patients but may occur during the first period of the disease or during follow-up. Ocular diseases may be the initial or only sign of COVID-19 infection.
GW1516 is a peroxisome proliferator-activated receptor-δ agonist in the class of hormones and metabolic modulators. The use of GW1516 is banned in both horseracing and equestrian competitions. To the best of our knowledge, this is the first metabolic study of GW1516 in horses.
After protein precipitation of pre- and post-administration plasma GW1516 samples, the supernatants were analyzed using liquid chromatography/electrospray ionization Q-Exactive high-resolution mass spectrometry to detect GW1516 and its metabolites. Monoisotopic ions of GW1516 and its metabolites were monitored from the full-scan mass spectral data of pre- and post-administration samples. Quantification methods were developed and validated to establish the elimination profiles of GW1516, its sulfoxide, and its sulfone in equine plasma.
GW1516 and its four metabolites GW1516 sulfoxide, GW1516 sulfone, 5-(hydroxymethyl)-4-methyl-2-(4-trifluoromethylphenyl)thiazole (HMTT), and M1 were detected in post-administration plasma samples. GW1516 sulfoxide, GW1516 sulfone, and HMTT were identified by comparison with their respective reference standards whereas M1 was tentatively identified as 4-methyl-2-[4-(trifluoromethyl)phenyl]-1,3-thiazole-5-carboxylic acid by mass spectral interpretation. GW1516 had the longest detection time in post-administration plasma. The elimination profiles of GW1516, its sulfoxide, and its sulfone in plasma were established.
For the purpose of doping control, GW1516 is recommended as the target analyte to be monitored in equine plasma due to its long detection time (around 1 week) and the ready availability of its reference material.
For the purpose of doping control, GW1516 is recommended as the target analyte to be monitored in equine plasma due to its long detection time (around 1 week) and the ready availability of its reference material.Mammals adapt to seasons using a neuroendocrine calendar defined by the photoperiodic change in the nighttime melatonin production. Under short photoperiod, melatonin inhibits the pars tuberalis production of TSHβ, which, in turn, acts on tanycytes to regulate the deiodinase 2/3 balance resulting in a finely tuned seasonal control of the intra-hypothalamic thyroid hormone T3. Despite the pivotal role of this T3 signaling for synchronizing reproduction with the seasons, T3 cellular targets remain unknown. One candidate is a population of hypothalamic neurons expressing Rfrp, the gene encoding the RFRP-3 peptide, thought to be integral for modulating rodent's seasonal reproduction. Here we show that nighttime melatonin supplementation in the drinking water of melatonin-deficient C57BL/6J **** mimics photoperiodic variations in the expression of the genes Tshb, Dio2, Dio3, and Rfrp, as observed in melatonin-proficient mammals. Notably, we report that this melatonin regulation of Rfrp expression is no longer observed in **** carrying a global mutation of the T3 receptor, TRα, but is conserved in **** with a selective neuronal mutation of TRα.
lp clinicians review their own clinical activities.Great progresses have been made in comprehension of tissue regeneration process. However, one of the central questions in regeneration research remains to be deciphered is what factors initiate regenerative process. In present study, we focused on systematic profiling of early regulators in tissue regeneration via high-throughput screening on zebrafish caudal fin model. Firstly, 53 GO-annotated regeneration-related genes, which were specifically activated upon fin amputation, were identified according to the transcriptomic analysis. Moreover, qRT-PCR analysis of a couple of randomly selected genes from the aforementioned gene list validated our sequencing results. These studies confirmed the reliability of transcriptome sequencing analysis. Fibroblast growth factor 20a (fgf20a) is a key initial factor in the regeneration of zebrafish. Through a gene expression correlation analysis, we discovered a collection of 70 genes correlating with fgf20a, whose expression increased promptly at 2 days post amputation (dpa) and went down to the basal level until the completion of fin regeneration. In addition, two genes, socs3b and nppc, were chosen to investigate their functions during the fin regeneration. Inhibition of either of those genes significantly delayed the regenerative process. Taken together, we provided a simple and effective time-saving strategy that may serve as a tool for identifying early regulators in regeneration and identified 71 genes as early regulators of fin regeneration. The aim of this study was to investigate the ocular findings observed in patients with coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 and to present the relationship between ocular involvement,systemic findings, and laboratory results. This cross-sectional study was carried out between 1 May and 30 June 2020. The study included 359 patients diagnosed with COVID-19 and assessed by clinical evaluation, nasopharyngeal polymerase chain reaction, and lung computed tomography. One hundred ninety-seven (54.9%) of the patients were male and 162 (45.1%) were female. The mean age of the patients was 58.5 years (20-91). Two hundred ninety-four (81.9%) patients were treated in the inpatient clinic and 65 (18.1%) patients were treated in the intensive care unit. Various ocular diseases were observed in 16 (4.5%) of the patients. Although the rate of ocular disease was 12 out of 294 (4.1%) in patients followed up in the inpatient clinic, this rate was 4 out of 65 (6.2%) in intensive care patients. https://www.selleckchem.com/products/gne-049.html There was no systemic problem in one patient, in whom conjunctival hyperemia was the first and only reason for admission to the hospital. Four patients followed up in the inpatient clinic had conjunctivitis at the time of admission, and conjunctivitis occurred in three patients during hospitalization. Subconjunctival hemorrhage occurred in five patients and vitreous hemorrhage in one patient. Ocular diseases are uncommon in COVID-19 patients but may occur during the first period of the disease or during follow-up. Ocular diseases may be the initial or only sign of COVID-19 infection. Ocular diseases are uncommon in COVID-19 patients but may occur during the first period of the disease or during follow-up. Ocular diseases may be the initial or only sign of COVID-19 infection. GW1516 is a peroxisome proliferator-activated receptor-δ agonist in the class of hormones and metabolic modulators. The use of GW1516 is banned in both horseracing and equestrian competitions. To the best of our knowledge, this is the first metabolic study of GW1516 in horses. After protein precipitation of pre- and post-administration plasma GW1516 samples, the supernatants were analyzed using liquid chromatography/electrospray ionization Q-Exactive high-resolution mass spectrometry to detect GW1516 and its metabolites. Monoisotopic ions of GW1516 and its metabolites were monitored from the full-scan mass spectral data of pre- and post-administration samples. Quantification methods were developed and validated to establish the elimination profiles of GW1516, its sulfoxide, and its sulfone in equine plasma. GW1516 and its four metabolites GW1516 sulfoxide, GW1516 sulfone, 5-(hydroxymethyl)-4-methyl-2-(4-trifluoromethylphenyl)thiazole (HMTT), and M1 were detected in post-administration plasma samples. GW1516 sulfoxide, GW1516 sulfone, and HMTT were identified by comparison with their respective reference standards whereas M1 was tentatively identified as 4-methyl-2-[4-(trifluoromethyl)phenyl]-1,3-thiazole-5-carboxylic acid by mass spectral interpretation. GW1516 had the longest detection time in post-administration plasma. The elimination profiles of GW1516, its sulfoxide, and its sulfone in plasma were established. For the purpose of doping control, GW1516 is recommended as the target analyte to be monitored in equine plasma due to its long detection time (around 1 week) and the ready availability of its reference material. For the purpose of doping control, GW1516 is recommended as the target analyte to be monitored in equine plasma due to its long detection time (around 1 week) and the ready availability of its reference material.Mammals adapt to seasons using a neuroendocrine calendar defined by the photoperiodic change in the nighttime melatonin production. Under short photoperiod, melatonin inhibits the pars tuberalis production of TSHβ, which, in turn, acts on tanycytes to regulate the deiodinase 2/3 balance resulting in a finely tuned seasonal control of the intra-hypothalamic thyroid hormone T3. Despite the pivotal role of this T3 signaling for synchronizing reproduction with the seasons, T3 cellular targets remain unknown. One candidate is a population of hypothalamic neurons expressing Rfrp, the gene encoding the RFRP-3 peptide, thought to be integral for modulating rodent's seasonal reproduction. Here we show that nighttime melatonin supplementation in the drinking water of melatonin-deficient C57BL/6J mice mimics photoperiodic variations in the expression of the genes Tshb, Dio2, Dio3, and Rfrp, as observed in melatonin-proficient mammals. Notably, we report that this melatonin regulation of Rfrp expression is no longer observed in mice carrying a global mutation of the T3 receptor, TRα, but is conserved in mice with a selective neuronal mutation of TRα.0 Commenti 0 condivisioni 31 Views 0 Anteprima -
Conventional cell blocks (CCB) prepared from cytological specimens are very useful but the method is relatively time-consuming. Suitable modifications in cell-block techniques are beneficial for improving the turnaround time. We share our experience of a rapid microwave cell-block (MCB) technique.
To study the quality of routine and immunohistochemical (IHC) staining of cell-block sections from serous body fluids prepared by the MCB technique compared with the CCB technique.
A total of 177 serous body fluid samples were processed by routine centrifugation technique, and the sediments were used for cell-block preparations by both conventional and rapid microwave methods. Cell-block sections were stained with haematoxylin and eosin stain. Haematoxylin and eosin staining quality was analysed using three parameters (cellularity, morphology and staining intensity). https://www.selleckchem.com/products/lee011.html IHC for epithelial membrane antigen and calretinin were also performed, and the quality of staining was evaluated on 62/177 samples. Results were analysed using appropriate statistical tests.
The time taken for processing cell blocks by the MCB method was 1hour and 18minutes compared to 13hours and 45minutes by CCB. The quality of sections by both methods showed good agreement for cellularity and intensity of staining, and moderate agreement for morphology. A 100% concordance was noted for distinguishing benign and malignant samples on morphology as well as with IHC stain results.
Although the techniques are comparable in terms of quality of routine and IHC staining, we recommend using the MCB technique due to its short turnaround time.
Although the techniques are comparable in terms of quality of routine and IHC staining, we recommend using the MCB technique due to its short turnaround time.
Inadequate health literacy is common in those with chronic kidney disease (CKD), especially among culturally and linguistically diverse groups. Patient information for people with CKD, including those with kidney failure requiring dialysis, is often written beyond their literacy level, and many CKD-related apps are not accurate or evidence based. These represent important barriers to health care decision-making and equity in access to health care.
We developed a cross-platform application (the "SUCCESS app") to support Australian adults with kidney failure requiring dialysis to actively participate in self-management and decision-making. App content was informed by health literacy theory which recognises the importance of reducing the complexity of health information as well as equipping consumers with the skills necessary to access, understand and act on this information. The development team comprised members of diverse backgrounds and expertise, including nursing, allied health, psychology, epidemiolognt outcomes.This is the first record of the genus Jenynsia in the High Andean Plateau (HAP). It has been found at elevations between 3400 and 3900 m in three endorreheic systems Salar Antofalla, Antofagasta de la Sierra and El Peñón, northwestern Argentina, South America. This finding increases the number of known HAP fish genera to five. Furthermore, in contrast to the old Andean species-rich genus Orestias, the presence of Jenynsia obscura populations in young high-altitude, non-marine saline wetlands reported here supports a recent dispersal into the HAP.Acyl-CoA-binding proteins (ACBPs) are a family of proteins that bind acyl-CoA esters at a conserved acyl-CoA-binding domain. ACBPs maintain intracellular acyl-CoA pools to regulate lipid metabolism. Here, we report on the structure of rice OsACBP2 in complex with C183-CoA ester. The residues Y33, K34 and K56 of OsACBP2 play a crucial role in binding the CoA group, while residues N23, L27, K52 and Y55 in one molecule of OsACBP2 cooperate with L27, L28, A59 and A62 from another anchoring the fatty acyl group. Multiangle light scattering assays indicate that OsACBP2 binds C183-CoA as a monomer. The first complex structure of a plant ACBP binding with C183-CoA is therefore presented, providing a novel model for the interaction between an acyl-CoA ester and the acyl-CoA-binding domain(s).
Scholarly experiences have been increasingly employed to support the development of scholarly skills for medical students. How the characteristics of the various scholarly experiences contributes to scholarly outcomes or the complexities of how the experiences build skills warrants further exploration.
To identify how medical students' scholarly experiences lead to scholarly outcomes under what circumstances.
A realist review was conducted with a search of Ovid MEDLINE, CINAHL, Scopus and ERIC databases using the terms "medical student" and "scholarly experience" and related synonyms. Studies involving the engagement of medical students in a range of compulsory scholarly experiences including quality improvement projects, literature reviews and research projects were included. Key data were extracted from studies, and realist analysis was used to identify how contexts and mechanisms led to different outcomes.
From an initial 4590 titles, 28 studies of 22 scholarly experiences were identified. All werefocus is on research and traditional outcomes with little known about the role or outcomes associated with other scholarly work.The consequences of natural selection can be understood from a purely statistical perspective. In contrast, an explicitly causal approach is required to understand why trait values covary with fitness. In particular, key evolutionary constructs, such as sexual selection, fecundity selection, and so on, are best understood as selection via particular fitness components. To formalize and operationalize these concepts, we must disentangle the various causal pathways contributing to selection. Such decompositions are currently only known for linear models, where they are sometimes referred to as "Wright's rules." Here, we provide a general framework, based on path analysis, for partitioning selection among its contributing causal pathways. We show how the extended selection gradient-which represents selection arising from a trait's causal effects on fitness-can be decomposed into path-specific selection gradients, which correspond to distinct causal mechanisms of selection. This framework allows for nonlinear effects and nonadditive interactions among variables, which may be estimated using standard statistical methods (e.
Conventional cell blocks (CCB) prepared from cytological specimens are very useful but the method is relatively time-consuming. Suitable modifications in cell-block techniques are beneficial for improving the turnaround time. We share our experience of a rapid microwave cell-block (MCB) technique. To study the quality of routine and immunohistochemical (IHC) staining of cell-block sections from serous body fluids prepared by the MCB technique compared with the CCB technique. A total of 177 serous body fluid samples were processed by routine centrifugation technique, and the sediments were used for cell-block preparations by both conventional and rapid microwave methods. Cell-block sections were stained with haematoxylin and eosin stain. Haematoxylin and eosin staining quality was analysed using three parameters (cellularity, morphology and staining intensity). https://www.selleckchem.com/products/lee011.html IHC for epithelial membrane antigen and calretinin were also performed, and the quality of staining was evaluated on 62/177 samples. Results were analysed using appropriate statistical tests. The time taken for processing cell blocks by the MCB method was 1hour and 18minutes compared to 13hours and 45minutes by CCB. The quality of sections by both methods showed good agreement for cellularity and intensity of staining, and moderate agreement for morphology. A 100% concordance was noted for distinguishing benign and malignant samples on morphology as well as with IHC stain results. Although the techniques are comparable in terms of quality of routine and IHC staining, we recommend using the MCB technique due to its short turnaround time. Although the techniques are comparable in terms of quality of routine and IHC staining, we recommend using the MCB technique due to its short turnaround time. Inadequate health literacy is common in those with chronic kidney disease (CKD), especially among culturally and linguistically diverse groups. Patient information for people with CKD, including those with kidney failure requiring dialysis, is often written beyond their literacy level, and many CKD-related apps are not accurate or evidence based. These represent important barriers to health care decision-making and equity in access to health care. We developed a cross-platform application (the "SUCCESS app") to support Australian adults with kidney failure requiring dialysis to actively participate in self-management and decision-making. App content was informed by health literacy theory which recognises the importance of reducing the complexity of health information as well as equipping consumers with the skills necessary to access, understand and act on this information. The development team comprised members of diverse backgrounds and expertise, including nursing, allied health, psychology, epidemiolognt outcomes.This is the first record of the genus Jenynsia in the High Andean Plateau (HAP). It has been found at elevations between 3400 and 3900 m in three endorreheic systems Salar Antofalla, Antofagasta de la Sierra and El Peñón, northwestern Argentina, South America. This finding increases the number of known HAP fish genera to five. Furthermore, in contrast to the old Andean species-rich genus Orestias, the presence of Jenynsia obscura populations in young high-altitude, non-marine saline wetlands reported here supports a recent dispersal into the HAP.Acyl-CoA-binding proteins (ACBPs) are a family of proteins that bind acyl-CoA esters at a conserved acyl-CoA-binding domain. ACBPs maintain intracellular acyl-CoA pools to regulate lipid metabolism. Here, we report on the structure of rice OsACBP2 in complex with C183-CoA ester. The residues Y33, K34 and K56 of OsACBP2 play a crucial role in binding the CoA group, while residues N23, L27, K52 and Y55 in one molecule of OsACBP2 cooperate with L27, L28, A59 and A62 from another anchoring the fatty acyl group. Multiangle light scattering assays indicate that OsACBP2 binds C183-CoA as a monomer. The first complex structure of a plant ACBP binding with C183-CoA is therefore presented, providing a novel model for the interaction between an acyl-CoA ester and the acyl-CoA-binding domain(s). Scholarly experiences have been increasingly employed to support the development of scholarly skills for medical students. How the characteristics of the various scholarly experiences contributes to scholarly outcomes or the complexities of how the experiences build skills warrants further exploration. To identify how medical students' scholarly experiences lead to scholarly outcomes under what circumstances. A realist review was conducted with a search of Ovid MEDLINE, CINAHL, Scopus and ERIC databases using the terms "medical student" and "scholarly experience" and related synonyms. Studies involving the engagement of medical students in a range of compulsory scholarly experiences including quality improvement projects, literature reviews and research projects were included. Key data were extracted from studies, and realist analysis was used to identify how contexts and mechanisms led to different outcomes. From an initial 4590 titles, 28 studies of 22 scholarly experiences were identified. All werefocus is on research and traditional outcomes with little known about the role or outcomes associated with other scholarly work.The consequences of natural selection can be understood from a purely statistical perspective. In contrast, an explicitly causal approach is required to understand why trait values covary with fitness. In particular, key evolutionary constructs, such as sexual selection, fecundity selection, and so on, are best understood as selection via particular fitness components. To formalize and operationalize these concepts, we must disentangle the various causal pathways contributing to selection. Such decompositions are currently only known for linear models, where they are sometimes referred to as "Wright's rules." Here, we provide a general framework, based on path analysis, for partitioning selection among its contributing causal pathways. We show how the extended selection gradient-which represents selection arising from a trait's causal effects on fitness-can be decomposed into path-specific selection gradients, which correspond to distinct causal mechanisms of selection. This framework allows for nonlinear effects and nonadditive interactions among variables, which may be estimated using standard statistical methods (e.0 Commenti 0 condivisioni 26 Views 0 Anteprima -
This case report adds reasonable evidence in support of food allergy as a cause of JIA.Eosinophilic gastroenteritis (EG) is a rare entity. We report a 55-year-old man had no previous atopy or allergic history, who presented abdominal pain and vomiting. Abdominal computed tomography and endoscopy ultrasonography demostrated gastric wall thickening with wall thickening of the superior duodenum, without defined mass or fluid collection. Gastrointestinal endoscopy confirmed thickening of prepyloric folds and superior duodenum with luminal stenosis. Parcial gastrectomy was performed due to absence of definitive diagnosis and suspicion of possible malignancy and diagnosis of gastric outlet obstruction. Histopathology was compatible with EG, treated with an 8-week long corticosteroid therapy, showed clinical improvement, weight gain and normalization of eosinophil count on peripheral blood.The pandemic of COVID-19 (an infectious disease caused by the SARS-CoV2 virus), declared as such by the WHO, is spreading since its appearance in Wuhan (China) in December 2019, rapidly and unexpectedly throughout the world, causing millions of cases and thousands of deaths and has affected more than 120 countries. It was officially acknowledged in Peru on March 6th, 2020, and has spread rapidly throughout the country, causing first the crisis and then the collapse of the healthcare system, especially emergency care, admissions, and overcrowded intensive care units, not having a specific treatment or the foreseeable possibility of a short-term vaccine. COVID-19 is currently known for being a systemic disease that can affect multiple organs and tissues and can be fatal. The goal of this review is to present what has been described in recent studies, published worldwide and including our country, that have reported clinical manifestations, outlining possible mechanisms of liver dysfunction related to COVID-19 and its repercussions, especially on the digestive system. These studies analyze and discuss the potential impact on liver diseases, offering recommendations of experts and scientific organizations regarding prevention, control and management measures, outlining also some public health strategies in our country for the proper care of COVID-19 patients in times of widespread crisis.
Fascioliasis is a disease caused by the parasite Fasciola hepatica, according to its clinical picture, it can be classified into two phases acute and chronic, currently the diagnosis is made during the chronic phase, however, early detection would allow to provide an effective treatment and timely. Objetive This study is carried out with the objective of evaluating the diagnostic validity of serological tests for the timely diagnosis of hepatic fascioliasis.
a systematic search of the literature was carried out in Embase, MedLine, Cochrane Library and LILACS. Study selection was performed by pairs of reviewers, diagnostic test studies were selected using ELISA, indirect ELISA, rapid ELISA, Fas2 ELISA, Arco2 compared to sedimentation techniques for the diagnosis of hepatic fascioliasis in adults. The studies were evaluated using the QUADAS-2 tool.
Seven studies were identified that answer the PICO question, with a total of 1,317 human serum samples, the tests reported high sensitivity and specificity, FhTA, ELISA, number of studies and participants identified, summary estimators with the corresponding confidence intervals / credibility, and the ranking of treatments.
In general, the specificity of the serological tests was slightly higher than the sensitivity, there is evidence of moderate to low quality that reports their performance, however, the quality of the evidence and the heterogeneity between the studies do not allow determining its usefulness during the acute phase of the disease. More studies are needed in this regard. The studies were clinically heterogeneous between them.
In general, the specificity of the serological tests was slightly higher than the sensitivity, there is evidence of moderate to low quality that reports their performance, however, the quality of the evidence and the heterogeneity between the studies do not allow determining its usefulness during the acute phase of the disease. More studies are needed in this regard. https://www.selleckchem.com/products/r-hts-3.html The studies were clinically heterogeneous between them.
Autoimmune hepatitis (AIH) is an auto-inflammatory liver disease of children and adults, affecting patients of any age, sex, race or ethnicity, with more prevalence in females.
The aim of this study was to evaluate clinical manifestation, laboratory findings, and outcome of children with autoimmune hepatitis.
We evaluated 86 patients treated and followed with final diagnosis of AIH between years 2010 to 2018. Physical findings (including jaundice, hepatomegaly, splenomegaly and encephalopathy), liver enzymes, liver histology and autoantibodies (including ANA, Anti LKM-1 and ASMA) were extracted from medical files. Then the patients were followed for their final outcome (including response to medical treatment or successful treatment withdrawal, liver transplantation or death).
Among 86 patients with AIH with mean age 9.10±4.36 years old, 66.27% were females. Jaundice (75.6%) and hepatomegaly (46.5%) were the most frequent physical findings, followed by splenomegaly (32.6%) and encephalopathy (17.4%). Aminotransferases including AST and ALT were elevated at least 3 times more than upper limit of normal in most of the patients (61.6% and 55.81%, respectively). Autoantibodies were available in 53 of 86 patients, 24.5% had AIH-1, 3.8% had AIH-II and 67.9% were seronegative. Medical treatment including prednisolone and azathioprine was started for patients, 53 of 86 cases (61.6%) had remission and 11 of 86 (13.7%) tolerated medication withdrawal successfully. Among all cases, 26 (30.2%) patients needed liver transplantation. Mortality rate was 9 among 86 cases (10.5%).
Jaundice and hepatomegaly was the most frequent clinical findings. Mortality rate was 10.5.
Jaundice and hepatomegaly was the most frequent clinical findings. Mortality rate was 10.5.Colorectal cancer (CRC) is one of the most frequent worldwide. Approximately one third of cases originate from the serrated pathway of carcinogenesis, with colonic sessile serrated lesions (SSL) being the main cause of interval CRC.
To evaluate the clinical, endoscopic, histological characteristics and endoscopic management of colonic LSS.
Observational, descriptive, retrospective study from July 2017 to June 2019 in the gastroenterology service of the Guillermo Almenara Irigoyen National Hospital, Lima - Peru. The characteristics of 79 LSS were evaluated, the chi-square statistic was used to analyze the association of clinical and endoscopic variables with the presence of dysplasia; and the size of the lesion with the type of endoscopic resection.
In 74 patients, 79 SSL were found, 67 (84.8%) with dysplasia (44 high-grade and 23 low-grade). Average age of 52 years and 44 (59.4%) were males. The location in the right colon (OR=5.09, 95% CI 1.38â€"18.7, p=0.009), the size >10 mm (OR=6.13, 95% CI 1.50â€"24,94, p=0.
This case report adds reasonable evidence in support of food allergy as a cause of JIA.Eosinophilic gastroenteritis (EG) is a rare entity. We report a 55-year-old man had no previous atopy or allergic history, who presented abdominal pain and vomiting. Abdominal computed tomography and endoscopy ultrasonography demostrated gastric wall thickening with wall thickening of the superior duodenum, without defined mass or fluid collection. Gastrointestinal endoscopy confirmed thickening of prepyloric folds and superior duodenum with luminal stenosis. Parcial gastrectomy was performed due to absence of definitive diagnosis and suspicion of possible malignancy and diagnosis of gastric outlet obstruction. Histopathology was compatible with EG, treated with an 8-week long corticosteroid therapy, showed clinical improvement, weight gain and normalization of eosinophil count on peripheral blood.The pandemic of COVID-19 (an infectious disease caused by the SARS-CoV2 virus), declared as such by the WHO, is spreading since its appearance in Wuhan (China) in December 2019, rapidly and unexpectedly throughout the world, causing millions of cases and thousands of deaths and has affected more than 120 countries. It was officially acknowledged in Peru on March 6th, 2020, and has spread rapidly throughout the country, causing first the crisis and then the collapse of the healthcare system, especially emergency care, admissions, and overcrowded intensive care units, not having a specific treatment or the foreseeable possibility of a short-term vaccine. COVID-19 is currently known for being a systemic disease that can affect multiple organs and tissues and can be fatal. The goal of this review is to present what has been described in recent studies, published worldwide and including our country, that have reported clinical manifestations, outlining possible mechanisms of liver dysfunction related to COVID-19 and its repercussions, especially on the digestive system. These studies analyze and discuss the potential impact on liver diseases, offering recommendations of experts and scientific organizations regarding prevention, control and management measures, outlining also some public health strategies in our country for the proper care of COVID-19 patients in times of widespread crisis. Fascioliasis is a disease caused by the parasite Fasciola hepatica, according to its clinical picture, it can be classified into two phases acute and chronic, currently the diagnosis is made during the chronic phase, however, early detection would allow to provide an effective treatment and timely. Objetive This study is carried out with the objective of evaluating the diagnostic validity of serological tests for the timely diagnosis of hepatic fascioliasis. a systematic search of the literature was carried out in Embase, MedLine, Cochrane Library and LILACS. Study selection was performed by pairs of reviewers, diagnostic test studies were selected using ELISA, indirect ELISA, rapid ELISA, Fas2 ELISA, Arco2 compared to sedimentation techniques for the diagnosis of hepatic fascioliasis in adults. The studies were evaluated using the QUADAS-2 tool. Seven studies were identified that answer the PICO question, with a total of 1,317 human serum samples, the tests reported high sensitivity and specificity, FhTA, ELISA, number of studies and participants identified, summary estimators with the corresponding confidence intervals / credibility, and the ranking of treatments. In general, the specificity of the serological tests was slightly higher than the sensitivity, there is evidence of moderate to low quality that reports their performance, however, the quality of the evidence and the heterogeneity between the studies do not allow determining its usefulness during the acute phase of the disease. More studies are needed in this regard. The studies were clinically heterogeneous between them. In general, the specificity of the serological tests was slightly higher than the sensitivity, there is evidence of moderate to low quality that reports their performance, however, the quality of the evidence and the heterogeneity between the studies do not allow determining its usefulness during the acute phase of the disease. More studies are needed in this regard. https://www.selleckchem.com/products/r-hts-3.html The studies were clinically heterogeneous between them. Autoimmune hepatitis (AIH) is an auto-inflammatory liver disease of children and adults, affecting patients of any age, sex, race or ethnicity, with more prevalence in females. The aim of this study was to evaluate clinical manifestation, laboratory findings, and outcome of children with autoimmune hepatitis. We evaluated 86 patients treated and followed with final diagnosis of AIH between years 2010 to 2018. Physical findings (including jaundice, hepatomegaly, splenomegaly and encephalopathy), liver enzymes, liver histology and autoantibodies (including ANA, Anti LKM-1 and ASMA) were extracted from medical files. Then the patients were followed for their final outcome (including response to medical treatment or successful treatment withdrawal, liver transplantation or death). Among 86 patients with AIH with mean age 9.10±4.36 years old, 66.27% were females. Jaundice (75.6%) and hepatomegaly (46.5%) were the most frequent physical findings, followed by splenomegaly (32.6%) and encephalopathy (17.4%). Aminotransferases including AST and ALT were elevated at least 3 times more than upper limit of normal in most of the patients (61.6% and 55.81%, respectively). Autoantibodies were available in 53 of 86 patients, 24.5% had AIH-1, 3.8% had AIH-II and 67.9% were seronegative. Medical treatment including prednisolone and azathioprine was started for patients, 53 of 86 cases (61.6%) had remission and 11 of 86 (13.7%) tolerated medication withdrawal successfully. Among all cases, 26 (30.2%) patients needed liver transplantation. Mortality rate was 9 among 86 cases (10.5%). Jaundice and hepatomegaly was the most frequent clinical findings. Mortality rate was 10.5. Jaundice and hepatomegaly was the most frequent clinical findings. Mortality rate was 10.5.Colorectal cancer (CRC) is one of the most frequent worldwide. Approximately one third of cases originate from the serrated pathway of carcinogenesis, with colonic sessile serrated lesions (SSL) being the main cause of interval CRC. To evaluate the clinical, endoscopic, histological characteristics and endoscopic management of colonic LSS. Observational, descriptive, retrospective study from July 2017 to June 2019 in the gastroenterology service of the Guillermo Almenara Irigoyen National Hospital, Lima - Peru. The characteristics of 79 LSS were evaluated, the chi-square statistic was used to analyze the association of clinical and endoscopic variables with the presence of dysplasia; and the size of the lesion with the type of endoscopic resection. In 74 patients, 79 SSL were found, 67 (84.8%) with dysplasia (44 high-grade and 23 low-grade). Average age of 52 years and 44 (59.4%) were males. The location in the right colon (OR=5.09, 95% CI 1.38â€"18.7, p=0.009), the size >10 mm (OR=6.13, 95% CI 1.50â€"24,94, p=0.0 Commenti 0 condivisioni 29 Views 0 Anteprima -
INTRODUCTION A new combination tablet containing sublingual testosterone and oral buspirone (T+B) was developed to benefit a subgroup of women suffering from female sexual interest/arousal disorder, caused by dysfunctionally overactive sexual inhibition. https://www.selleckchem.com/products/vt104.html AIM The aim of this study was to compare the effect of food intake on the pharmacokinetics of buspirone, administered as a dual-route, dual-release combination tablet containing 0.5 mg testosterone (T) and 10 mg buspirone (B). METHODS 19 healthy women took T+B under fed and fasted conditions during 2 overnight visits. The blood was sampled over a 24-hour period to determine the pharmacokinetics of buspirone and its active metabolite 1-(2-pyrimidinyl)piperazine (1-PP). Total testosterone levels were also assessed, at 5 time points and for quality control purposes only, as sublingual testosterone uptake is not expected to be influenced by prior food intake. MAIN OUTCOME MEASURE PK profiles of buspirone and 1-PP. RESULTS For buspirone, the 90% confidence intervaThe Effect of Food on the Pharmacokinetics of Buspirone After Single Administration of a Sublingual Testosterone and Oral Buspirone Combination Tablet in Healthy Female Subjects. J Sex Med 2020;XXXXX-XXX. OBJECTIVE To verify the relationship between sleep characteristics and motor development in low-birth-weight preterm infants during infancy and preschool years. METHOD Forty-one healthy preterm infants ( less then 37 weeks' gestation) with low birth weight (≤1500 g) were assessed longitudinally at three different time points at 6 months of corrected age, at 12 months of corrected age, and at 4-5 years of chronological age. At 6 and 12 months, motor development was assessed using the Denver Developmental Screening Test II and Alberta Infant Motor Scale, while sleep-related habits and disturbances were assessed using the Brief Infant Sleep Questionnaire. At 4-5 years, motor development was reassessed using the Pediatric Evaluation of Disability Inventory and sleep was reassessed using the Sleep Disturbance Scale for Children. Correlations were performed using sleep quality as the predictor variable and motor development as the outcome variable. RESULTS Most infants had suspected delay/atypical development at 6 and 12 months, with no difference between the scales (p = 1.000). Suspected delay/atypical development were associated with lateral sleep position (p = 0.004), greater number of nighttime awakenings (p = 0.008), and longer awake periods (p = 0.014) only at 6 months. At 4-5 years, the suspected delay/atypical development observed at 6 and 12 months disappeared. CONCLUSIONS Sleep quality correlated with delayed/atypical motor development in healthy preterm infants with low birth weight only at 6 months of corrected age, which did not appear to affect later development of motor skills. OBJECTIVE To compare quantitative CT parameters between children with severe asthma and healthy subjects, correlating to their clinical features. METHODS We retrospectively analyzed CT data from 19 school-aged children (5-17 years) with severe asthma and 19 control school-aged children with pectus excavatum. The following CT parameters were evaluated total lung volume (TLV), mean lung density (MLD), CT air trapping index (AT%) (attenuation ≤856 HU), airway wall thickness (AWT), and percentage of airway wall thickness (AWT%). Multi-detector computed tomography (****) data were correlated to the following clinical parameters forced expiratory volume in 1 s (FEV1), forced vital capacity (FVC), forced expiratory flow at 25-75% (FEF 25-75%), FEV1/FVC ratio, sputum and bronchoalveolar lavage analysis, serum IgE levels, and previous hospitalizations due to asthma. RESULTS Asthma patients presented higher mean values of AT% (23.8 ± 6.7% vs. controls, 9.7 ± 3.2%), AWT (1.46 ± 0.22 mm vs. controls, 0.47 ± -735 ± 28 HU vs. controls, -666 ± 19 HU). Mean AT% was 29.0 ± 4.7% in subjects with previous hospitalization against 19.2 ± 5.0% in those with no prior hospitalization (p less then 0.001). AT% presented very strong negative correlations with FVC (r = -0.933, p less then 0.001) and FEV1 (r = -0.841, p less then 0.001) and a moderate correlation with FEF 25-75% (r = -0.608, p = 0.007). AT% correlation with FEV1/FVC ratio and serum IgE was weak (r = -0.184, p = 0.452, and r = -0.363, p = 0.202) CONCLUSION Children with severe asthma present differences in quantitative chest CT scans compared to healthy controls with strong correlations with pulmonary function tests and previous hospitalizations due to asthma. BACKGROUND Mobile phone applications (apps) for urinary tract infections (UTIs) can help in the management of UTIs. OBJECTIVE To review the apps available for UTIs and check its adherence to the European Association of Urology (EAU) guidelines. DESIGN, SETTING, AND PARTICIPANTS We reviewed all mobile phone apps from the iTunes App Store and Google Play for UTIs and evaluated various aspects of apps, as well as their current and potential usage in screening, prevention, or management. The inclusion criteria were English-language apps for adults with upper or lower tract UTIs. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS Each app was sorted into one of the following categories "informative", "tracker", or "urinalysis"; each app was then checked for its adherence to EAU guidelines based on a 31-point checklist. One point was given for each piece of specific advice provided by the app, with a maximum score of 31. RESULTS AND LIMITATIONS A total of 34 apps were initially identified from the app download platforms, and after exclusions, 11 were evaluated. The apps had a high average user rating of 4.04 (range 0-5). The median number of downloads was 1000 (range less then 100-100 000). The average adherence to the EAU checklist was low at 31.36% (3.3-70%). The app performance for prevention of recurrent UTIs, uncomplicated cystitis, and pyelonephritis was 14.9%, 33.1%, and 41.4%, respectively. CONCLUSIONS Apps to support the management of UTIs could be improved by better adherence to European guidelines and recommendations based on up-to-date evidence, especially for the management of recurrent UTIs. PATIENT SUMMARY In this study, we look at the role of mobile phone applications (apps) in screening, prevention, and management of urinary tract infections and their adherence to European Association of Urology guidelines. We found that apps need to improve with better compliance to European guidelines, especially for the management of recurrent urinary tract infections.
INTRODUCTION A new combination tablet containing sublingual testosterone and oral buspirone (T+B) was developed to benefit a subgroup of women suffering from female sexual interest/arousal disorder, caused by dysfunctionally overactive sexual inhibition. https://www.selleckchem.com/products/vt104.html AIM The aim of this study was to compare the effect of food intake on the pharmacokinetics of buspirone, administered as a dual-route, dual-release combination tablet containing 0.5 mg testosterone (T) and 10 mg buspirone (B). METHODS 19 healthy women took T+B under fed and fasted conditions during 2 overnight visits. The blood was sampled over a 24-hour period to determine the pharmacokinetics of buspirone and its active metabolite 1-(2-pyrimidinyl)piperazine (1-PP). Total testosterone levels were also assessed, at 5 time points and for quality control purposes only, as sublingual testosterone uptake is not expected to be influenced by prior food intake. MAIN OUTCOME MEASURE PK profiles of buspirone and 1-PP. RESULTS For buspirone, the 90% confidence intervaThe Effect of Food on the Pharmacokinetics of Buspirone After Single Administration of a Sublingual Testosterone and Oral Buspirone Combination Tablet in Healthy Female Subjects. J Sex Med 2020;XXXXX-XXX. OBJECTIVE To verify the relationship between sleep characteristics and motor development in low-birth-weight preterm infants during infancy and preschool years. METHOD Forty-one healthy preterm infants ( less then 37 weeks' gestation) with low birth weight (≤1500 g) were assessed longitudinally at three different time points at 6 months of corrected age, at 12 months of corrected age, and at 4-5 years of chronological age. At 6 and 12 months, motor development was assessed using the Denver Developmental Screening Test II and Alberta Infant Motor Scale, while sleep-related habits and disturbances were assessed using the Brief Infant Sleep Questionnaire. At 4-5 years, motor development was reassessed using the Pediatric Evaluation of Disability Inventory and sleep was reassessed using the Sleep Disturbance Scale for Children. Correlations were performed using sleep quality as the predictor variable and motor development as the outcome variable. RESULTS Most infants had suspected delay/atypical development at 6 and 12 months, with no difference between the scales (p = 1.000). Suspected delay/atypical development were associated with lateral sleep position (p = 0.004), greater number of nighttime awakenings (p = 0.008), and longer awake periods (p = 0.014) only at 6 months. At 4-5 years, the suspected delay/atypical development observed at 6 and 12 months disappeared. CONCLUSIONS Sleep quality correlated with delayed/atypical motor development in healthy preterm infants with low birth weight only at 6 months of corrected age, which did not appear to affect later development of motor skills. OBJECTIVE To compare quantitative CT parameters between children with severe asthma and healthy subjects, correlating to their clinical features. METHODS We retrospectively analyzed CT data from 19 school-aged children (5-17 years) with severe asthma and 19 control school-aged children with pectus excavatum. The following CT parameters were evaluated total lung volume (TLV), mean lung density (MLD), CT air trapping index (AT%) (attenuation ≤856 HU), airway wall thickness (AWT), and percentage of airway wall thickness (AWT%). Multi-detector computed tomography (MDCT) data were correlated to the following clinical parameters forced expiratory volume in 1 s (FEV1), forced vital capacity (FVC), forced expiratory flow at 25-75% (FEF 25-75%), FEV1/FVC ratio, sputum and bronchoalveolar lavage analysis, serum IgE levels, and previous hospitalizations due to asthma. RESULTS Asthma patients presented higher mean values of AT% (23.8 ± 6.7% vs. controls, 9.7 ± 3.2%), AWT (1.46 ± 0.22 mm vs. controls, 0.47 ± -735 ± 28 HU vs. controls, -666 ± 19 HU). Mean AT% was 29.0 ± 4.7% in subjects with previous hospitalization against 19.2 ± 5.0% in those with no prior hospitalization (p less then 0.001). AT% presented very strong negative correlations with FVC (r = -0.933, p less then 0.001) and FEV1 (r = -0.841, p less then 0.001) and a moderate correlation with FEF 25-75% (r = -0.608, p = 0.007). AT% correlation with FEV1/FVC ratio and serum IgE was weak (r = -0.184, p = 0.452, and r = -0.363, p = 0.202) CONCLUSION Children with severe asthma present differences in quantitative chest CT scans compared to healthy controls with strong correlations with pulmonary function tests and previous hospitalizations due to asthma. BACKGROUND Mobile phone applications (apps) for urinary tract infections (UTIs) can help in the management of UTIs. OBJECTIVE To review the apps available for UTIs and check its adherence to the European Association of Urology (EAU) guidelines. DESIGN, SETTING, AND PARTICIPANTS We reviewed all mobile phone apps from the iTunes App Store and Google Play for UTIs and evaluated various aspects of apps, as well as their current and potential usage in screening, prevention, or management. The inclusion criteria were English-language apps for adults with upper or lower tract UTIs. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS Each app was sorted into one of the following categories "informative", "tracker", or "urinalysis"; each app was then checked for its adherence to EAU guidelines based on a 31-point checklist. One point was given for each piece of specific advice provided by the app, with a maximum score of 31. RESULTS AND LIMITATIONS A total of 34 apps were initially identified from the app download platforms, and after exclusions, 11 were evaluated. The apps had a high average user rating of 4.04 (range 0-5). The median number of downloads was 1000 (range less then 100-100 000). The average adherence to the EAU checklist was low at 31.36% (3.3-70%). The app performance for prevention of recurrent UTIs, uncomplicated cystitis, and pyelonephritis was 14.9%, 33.1%, and 41.4%, respectively. CONCLUSIONS Apps to support the management of UTIs could be improved by better adherence to European guidelines and recommendations based on up-to-date evidence, especially for the management of recurrent UTIs. PATIENT SUMMARY In this study, we look at the role of mobile phone applications (apps) in screening, prevention, and management of urinary tract infections and their adherence to European Association of Urology guidelines. We found that apps need to improve with better compliance to European guidelines, especially for the management of recurrent urinary tract infections.0 Commenti 0 condivisioni 23 Views 0 Anteprima
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