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at of detonation.Wood-based multifunctional materials with excellent mechanical performance are increasingly considered for sustainable advanced applications due to their unique hierarchical structure and inherent reinforcing cellulose phase orientation. Nonetheless, a wider multipurpose utilization of wood materials is so far hampered because of constraints arising from scalable functionalization, efficient processing, facile shaping as well asnatural heterogeneity and durability. This study introduces a multifunctional all-wood material fabrication method relying on delignification, ionic liquid (IL) treatment, and pressure-assisted consolidation of wood. Structure-retaining controlled delignification of wood was performed to enable direct access to the hierarchical cellulose assembly, while preserving the highly aligned and thus beneficial wood structural directionality. As a following step, the obtained biobased scaffold with an increased porosity was infiltrated with an IL and heat-activated to partially dissolve and soften the cellulose fiber surface. Samples washed with water to remove IL exhibited pronounced isotropic flexibility, which upon combined compression and lateral shear allowed the fabrication of various 3D shapes with adjustable fiber architecture. The obtained very compact and totally additive-free all-wood materials were extensively characterized, revealing superior mechanical performance, and gained multifunctionality compared to native wood.Objectives To report the frequency and characteristics of growth hormone (GH) deficiency (GHD) in adolescents who had normalized GH secretion at mid-puberty and to identify possible factors predictive for GH sufficiency at puberty. Design Clinical analysis of children affected by GHD at five time points diagnosis; first year of therapy; intermediate stage of puberty; retesting and end of growth phase. Methods The study population was 80 children with idiopathic GHD and treated with GH for at least 2 years. Treatment was discontinued at the intermediate stage of puberty. Retesting with an arginine test was performed 12 weeks later. If GH peak at retesting was ≥8 μg/L, the therapy was definitively discontinued, otherwise it was restarted and continued until achievement of near-final height. Results GH therapy was discontinued in 44 children (55%), and restarted in 36 (45%). No evidence of differences in definitive height and in the delta height between the genetic target and the definitive height was found between the two groups. The only predictive factor for GHD at mid-puberty was the insulin growth factor-1 (IGF-1) level at 1 year of GH treatment. Conclusions GH secretion should be retested at mid-puberty. Retesting at puberty may reduce potential side effects and minimize costs, without impairing growth potential and final height. https://www.selleckchem.com/products/ml351.html © 2020 European Society of Endocrinology.INTRODUCTION Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a hereditary, progressive ischemic disease of small vessels of the brain characterized by migraine with aura (MA), recurrent subcortical ischemic episodes, cognitive decline and psychiatric disorders. CADASIL is caused by mutations in the NOTCH3 gene. We identified the NOTCH3 Y189C mutation as a genetic cause of CADASIL in a Polish family and provided its first clinical manifestation. MATERIAL AND METHODS The study included twelve subjects from one family. The NOTCH3 mutation, APOE and MTHFR polymorphisms were determined by high-resolution melting analyses (HRMA) and Sanger sequencing. Neuroimaging included CT and MRI. Ultrastructural examination of skin-muscle biopsy material of the proband was performed. RESULTS The NOTCH3 Y189C mutation was present in a 36-year-old woman and her two sisters (aged 40 and 27) from 6 siblings. The MA was found in all of them, and started or became more severe after childbirth. The numerous T2/FLAIR hyperintense lesions were shown in the brain MRI. The deposition of granular osmiophilic material in the wall of small vessels of the proband observed in histopathological analysis confirmed the high degree of CADASIL severity. CONCLUSIONS Patients with the Y189C mutation of NOTCH3 from the same family display a similar phenotype of CADASIL.INTRODUCTION The polarization state of microglia affects the progress of neuropathic pain. MiR-155 modulates polarization of microglia, while its role in neuropathic pain has not been well studied. MATERIAL AND METHODS We separately used lipopolysaccharide (LPS) and interleukin 4 (IL-4) for constructing an M1/M2 polarization model in BV-2 cells. The levels of CD86, iNOS, CD206, Arg and miR-155 were measured by western blot or qRT-PCR, as needed. Subsequently, BV-2 cells were transfected with miR-155 mimics or inhibitor to explore the effects of miR-155 on polarization states. We also constructed a neuropathic pain model by applying spinal nerve ligation (SNL) in Wistar rats with miR-155 agomir or antagomir injection. The withdrawal threshold was measured by Von Frey fibre needle. The levels of interleukin 1b (IL-1b), tumour necrosis factor a (TNF-a) and the proportion of M1-polarized microglia in primary microglia from rats were measured by ELISA and flow cytometry. RESULTS LPS induced M1 polarization in BV-2 cells with increasing of CD86, iNOS and miR-155, while IL-4 induced M2 polarization in BV-2 cells with increasing of CD206, Arg and decreasing of miR-155. MiR-155 mimics upregulated CD86 and downregulated CD206, whereas miR-155 inhibitor downregulated CD86 and upregulated CD206. MiR-155 antagomir increased the withdrawal threshold, decreased the production of IL-1b, TNF-a and the proportion of M1-polarized microglia in primary microglia. CONCLUSIONS Results demonstrate that suppression of miR-155 attenuates neuropathic pain by inducing an M1 to M2 switch in microglia. Our findings provide a new perspective to understand the function of miR-155 in microglia.Microglia, as the first line of defence of the central nervous system (CNS), has a major role in inflammatory response. It was reported that isoflurane has a neuroprotective role in the pathological process of CNS by interfering with inflammatory response. While the mechanism and function of isoflurane in microglia-mediated inflammation are still not clearly articulated. In our study, the inflammation model was established by the activation of lipopolysaccharide (LPS) in BV2 cells in vitro. The results demonstrated that isoflurane inhibited the release of nitric oxide (NO) and enhanced the survival of BV2 cells, meanwhile, isoflurane reduced the levels of inflammatory factors and downregulated the expressions of inflammation-related genes and proteins in LPS-mediated BV2 cells. Furthermore, we demonstrated that overexpression of high-mobility group box 1 protein (HMGB1) could reverse the reduction in NO concentration, enhancement of cell BV2 viability and inhibition of inflammatory response, which were mediated by isoflurane in LPS-induced BV2 cells.
at of detonation.Wood-based multifunctional materials with excellent mechanical performance are increasingly considered for sustainable advanced applications due to their unique hierarchical structure and inherent reinforcing cellulose phase orientation. Nonetheless, a wider multipurpose utilization of wood materials is so far hampered because of constraints arising from scalable functionalization, efficient processing, facile shaping as well asnatural heterogeneity and durability. This study introduces a multifunctional all-wood material fabrication method relying on delignification, ionic liquid (IL) treatment, and pressure-assisted consolidation of wood. Structure-retaining controlled delignification of wood was performed to enable direct access to the hierarchical cellulose assembly, while preserving the highly aligned and thus beneficial wood structural directionality. As a following step, the obtained biobased scaffold with an increased porosity was infiltrated with an IL and heat-activated to partially dissolve and soften the cellulose fiber surface. Samples washed with water to remove IL exhibited pronounced isotropic flexibility, which upon combined compression and lateral shear allowed the fabrication of various 3D shapes with adjustable fiber architecture. The obtained very compact and totally additive-free all-wood materials were extensively characterized, revealing superior mechanical performance, and gained multifunctionality compared to native wood.Objectives To report the frequency and characteristics of growth hormone (GH) deficiency (GHD) in adolescents who had normalized GH secretion at mid-puberty and to identify possible factors predictive for GH sufficiency at puberty. Design Clinical analysis of children affected by GHD at five time points diagnosis; first year of therapy; intermediate stage of puberty; retesting and end of growth phase. Methods The study population was 80 children with idiopathic GHD and treated with GH for at least 2 years. Treatment was discontinued at the intermediate stage of puberty. Retesting with an arginine test was performed 12 weeks later. If GH peak at retesting was ≥8 μg/L, the therapy was definitively discontinued, otherwise it was restarted and continued until achievement of near-final height. Results GH therapy was discontinued in 44 children (55%), and restarted in 36 (45%). No evidence of differences in definitive height and in the delta height between the genetic target and the definitive height was found between the two groups. The only predictive factor for GHD at mid-puberty was the insulin growth factor-1 (IGF-1) level at 1 year of GH treatment. Conclusions GH secretion should be retested at mid-puberty. Retesting at puberty may reduce potential side effects and minimize costs, without impairing growth potential and final height. https://www.selleckchem.com/products/ml351.html © 2020 European Society of Endocrinology.INTRODUCTION Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a hereditary, progressive ischemic disease of small vessels of the brain characterized by migraine with aura (MA), recurrent subcortical ischemic episodes, cognitive decline and psychiatric disorders. CADASIL is caused by mutations in the NOTCH3 gene. We identified the NOTCH3 Y189C mutation as a genetic cause of CADASIL in a Polish family and provided its first clinical manifestation. MATERIAL AND METHODS The study included twelve subjects from one family. The NOTCH3 mutation, APOE and MTHFR polymorphisms were determined by high-resolution melting analyses (HRMA) and Sanger sequencing. Neuroimaging included CT and MRI. Ultrastructural examination of skin-muscle biopsy material of the proband was performed. RESULTS The NOTCH3 Y189C mutation was present in a 36-year-old woman and her two sisters (aged 40 and 27) from 6 siblings. The MA was found in all of them, and started or became more severe after childbirth. The numerous T2/FLAIR hyperintense lesions were shown in the brain MRI. The deposition of granular osmiophilic material in the wall of small vessels of the proband observed in histopathological analysis confirmed the high degree of CADASIL severity. CONCLUSIONS Patients with the Y189C mutation of NOTCH3 from the same family display a similar phenotype of CADASIL.INTRODUCTION The polarization state of microglia affects the progress of neuropathic pain. MiR-155 modulates polarization of microglia, while its role in neuropathic pain has not been well studied. MATERIAL AND METHODS We separately used lipopolysaccharide (LPS) and interleukin 4 (IL-4) for constructing an M1/M2 polarization model in BV-2 cells. The levels of CD86, iNOS, CD206, Arg and miR-155 were measured by western blot or qRT-PCR, as needed. Subsequently, BV-2 cells were transfected with miR-155 mimics or inhibitor to explore the effects of miR-155 on polarization states. We also constructed a neuropathic pain model by applying spinal nerve ligation (SNL) in Wistar rats with miR-155 agomir or antagomir injection. The withdrawal threshold was measured by Von Frey fibre needle. The levels of interleukin 1b (IL-1b), tumour necrosis factor a (TNF-a) and the proportion of M1-polarized microglia in primary microglia from rats were measured by ELISA and flow cytometry. RESULTS LPS induced M1 polarization in BV-2 cells with increasing of CD86, iNOS and miR-155, while IL-4 induced M2 polarization in BV-2 cells with increasing of CD206, Arg and decreasing of miR-155. MiR-155 mimics upregulated CD86 and downregulated CD206, whereas miR-155 inhibitor downregulated CD86 and upregulated CD206. MiR-155 antagomir increased the withdrawal threshold, decreased the production of IL-1b, TNF-a and the proportion of M1-polarized microglia in primary microglia. CONCLUSIONS Results demonstrate that suppression of miR-155 attenuates neuropathic pain by inducing an M1 to M2 switch in microglia. Our findings provide a new perspective to understand the function of miR-155 in microglia.Microglia, as the first line of defence of the central nervous system (CNS), has a major role in inflammatory response. It was reported that isoflurane has a neuroprotective role in the pathological process of CNS by interfering with inflammatory response. While the mechanism and function of isoflurane in microglia-mediated inflammation are still not clearly articulated. In our study, the inflammation model was established by the activation of lipopolysaccharide (LPS) in BV2 cells in vitro. The results demonstrated that isoflurane inhibited the release of nitric oxide (NO) and enhanced the survival of BV2 cells, meanwhile, isoflurane reduced the levels of inflammatory factors and downregulated the expressions of inflammation-related genes and proteins in LPS-mediated BV2 cells. Furthermore, we demonstrated that overexpression of high-mobility group box 1 protein (HMGB1) could reverse the reduction in NO concentration, enhancement of cell BV2 viability and inhibition of inflammatory response, which were mediated by isoflurane in LPS-induced BV2 cells.0 Commenti 0 condivisioni 3 Views 0 AnteprimaEffettua l'accesso per mettere mi piace, condividere e commentare! -
We found an unexpected abundance of chemotropic proliferation and guidance cues that are commonly implicated in dorsal (cortical) patterning5 in the hypothalamus. In particular, loss of SLIT-ROBO signalling impaired both the production and positioning of periventricular dopamine neurons. Overall, we identify molecular principles that shape the developmental architecture of the hypothalamus and show how neuronal heterogeneity is transformed into a multimodal neural unit to provide virtually infinite adaptive potential throughout life.Meta-analyses of genome-wide association studies (GWAS) have identified more than 240 loci that are associated with type 2 diabetes (T2D)1,2; however, most of these loci have been identified in analyses of individuals with European ancestry. Here, to examine T2D risk in East Asian individuals, we carried out a meta-analysis of GWAS data from 77,418 individuals with T2D and 356,122 healthy control individuals. In the main analysis, we identified 301 distinct association signals at 183 loci, and across T2D association models with and without consideration of body mass index and sex, we identified 61 loci that are newly implicated in predisposition to T2D. Common variants associated with T2D in both East Asian and European populations exhibited strongly correlated effect sizes. Previously undescribed associations include signals in or near GDAP1, PTF1A, SIX3, ALDH2, a microRNA cluster, and genes that affect the differentiation of muscle and adipose cells3. At another locus, expression quantitative trait loci at two overlapping T2D signals affect two genes-NKX6-3 and ANK1-in different tissues4-6. Association studies in diverse populations identify additional loci and elucidate disease-associated genes, biology, and pathways.The antigen-binding variable regions of the B cell receptor (BCR) and of antibodies are encoded by exons that are assembled in developing B cells by V(D)J recombination1. The BCR repertoires of primary B cells are vast owing to mechanisms that create diversity at the junctions of V(D)J gene segments that contribute to complementarity-determining region 3 (CDR3), the region that binds antigen1. Primary B cells undergo antigen-driven BCR affinity maturation through somatic hypermutation and cellular selection in germinal centres (GCs)2,3. Although most GCs are transient3, those in intestinal Peyer's patches (PPs)-which depend on the gut microbiota-are chronic4, and little is known about their BCR repertoires or patterns of somatic hypermutation. Here, using a high-throughput assay that analyses both V(D)J segment usage and somatic hypermutation profiles, we elucidate physiological BCR repertoires in mouse PP GCs. PP GCs from different **** expand public BCR clonotypes (clonotypes that are shared between many ****) that often have canonical CDR3s in the immunoglobulin heavy chain that, owing to junctional biases during V(D)J recombination, appear **** more frequently than predicted in naive B cell repertoires. Some public clonotypes are dependent on the gut microbiota and encode antibodies that are reactive to bacterial glycans, whereas others are independent of gut bacteria. Transfer of faeces from specific-pathogen-free **** to germ-free **** restored germ-dependent clonotypes, directly implicating BCR selection. We identified somatic hypermutations that were recurrently selected in such public clonotypes, indicating that affinity maturation occurs in mouse PP GCs under homeostatic conditions. Thus, persistent gut antigens select recurrent BCR clonotypes to seed chronic PP GC responses.Primary immunodeficiency (PID) is characterized by recurrent and often life-threatening infections, autoimmunity and cancer, and it poses major diagnostic and therapeutic challenges. https://www.selleckchem.com/products/ly2801653-merestinib.html Although the most severe forms of PID are identified in early childhood, most patients present in adulthood, typically with no apparent family history and a variable clinical phenotype of widespread immune dysregulation about 25% of patients have autoimmune disease, allergy is prevalent and up to 10% develop lymphoid malignancies1-3. Consequently, in sporadic (or non-familial) PID genetic diagnosis is difficult and the role of genetics is not well defined. Here we address these challenges by performing whole-genome sequencing in a large PID cohort of 1,318 participants. An analysis of the coding regions of the genome in 886 index cases of PID found that disease-causing mutations in known genes that are implicated in monogenic PID occurred in 10.3% of these patients, and a Bayesian approach (BeviMed4) identified multiple new candidate PID-associated genes, including IVNS1ABP. We also examined the noncoding genome, and found deletions in regulatory regions that contribute to disease causation. In addition, we used a genome-wide association study to identify loci that are associated with PID, and found evidence for the colocalization of-and interplay between-novel high-penetrance monogenic variants and common variants (at the PTPN2 and SOCS1 loci). This begins to explain the contribution of common variants to the variable penetrance and phenotypic complexity that are observed in PID. Thus, using a cohort-based whole-genome-sequencing approach in the diagnosis of PID can increase diagnostic yield and further our understanding of the key pathways that influence immune responsiveness in humans.The recent discovery of correlated insulator states and superconductivity in magic-angle twisted bilayer graphene1,2 has enabled the experimental investigation of electronic correlations in tunable flat-band systems realized in twisted van der Waals heterostructures3-6. This novel twist angle degree of freedom and control should be generalizable to other two-dimensional systems, which may exhibit similar correlated physics behaviour, and could enable techniques to tune and control the strength of electron-electron interactions. Here we report a highly tunable correlated system based on small-angle twisted bilayer-bilayer graphene (TBBG), consisting of two rotated sheets of Bernal-stacked bilayer graphene. We find that TBBG exhibits a rich phase diagram, with tunable correlated insulator states that are highly sensitive to both the twist angle and the application of an electric displacement field, the latter reflecting the inherent polarizability of Bernal-stacked bilayer graphene7,8. The correlated insulator states can be switched on and off by the displacement field at all integer electron fillings of the moiré unit cell.
We found an unexpected abundance of chemotropic proliferation and guidance cues that are commonly implicated in dorsal (cortical) patterning5 in the hypothalamus. In particular, loss of SLIT-ROBO signalling impaired both the production and positioning of periventricular dopamine neurons. Overall, we identify molecular principles that shape the developmental architecture of the hypothalamus and show how neuronal heterogeneity is transformed into a multimodal neural unit to provide virtually infinite adaptive potential throughout life.Meta-analyses of genome-wide association studies (GWAS) have identified more than 240 loci that are associated with type 2 diabetes (T2D)1,2; however, most of these loci have been identified in analyses of individuals with European ancestry. Here, to examine T2D risk in East Asian individuals, we carried out a meta-analysis of GWAS data from 77,418 individuals with T2D and 356,122 healthy control individuals. In the main analysis, we identified 301 distinct association signals at 183 loci, and across T2D association models with and without consideration of body mass index and sex, we identified 61 loci that are newly implicated in predisposition to T2D. Common variants associated with T2D in both East Asian and European populations exhibited strongly correlated effect sizes. Previously undescribed associations include signals in or near GDAP1, PTF1A, SIX3, ALDH2, a microRNA cluster, and genes that affect the differentiation of muscle and adipose cells3. At another locus, expression quantitative trait loci at two overlapping T2D signals affect two genes-NKX6-3 and ANK1-in different tissues4-6. Association studies in diverse populations identify additional loci and elucidate disease-associated genes, biology, and pathways.The antigen-binding variable regions of the B cell receptor (BCR) and of antibodies are encoded by exons that are assembled in developing B cells by V(D)J recombination1. The BCR repertoires of primary B cells are vast owing to mechanisms that create diversity at the junctions of V(D)J gene segments that contribute to complementarity-determining region 3 (CDR3), the region that binds antigen1. Primary B cells undergo antigen-driven BCR affinity maturation through somatic hypermutation and cellular selection in germinal centres (GCs)2,3. Although most GCs are transient3, those in intestinal Peyer's patches (PPs)-which depend on the gut microbiota-are chronic4, and little is known about their BCR repertoires or patterns of somatic hypermutation. Here, using a high-throughput assay that analyses both V(D)J segment usage and somatic hypermutation profiles, we elucidate physiological BCR repertoires in mouse PP GCs. PP GCs from different mice expand public BCR clonotypes (clonotypes that are shared between many mice) that often have canonical CDR3s in the immunoglobulin heavy chain that, owing to junctional biases during V(D)J recombination, appear much more frequently than predicted in naive B cell repertoires. Some public clonotypes are dependent on the gut microbiota and encode antibodies that are reactive to bacterial glycans, whereas others are independent of gut bacteria. Transfer of faeces from specific-pathogen-free mice to germ-free mice restored germ-dependent clonotypes, directly implicating BCR selection. We identified somatic hypermutations that were recurrently selected in such public clonotypes, indicating that affinity maturation occurs in mouse PP GCs under homeostatic conditions. Thus, persistent gut antigens select recurrent BCR clonotypes to seed chronic PP GC responses.Primary immunodeficiency (PID) is characterized by recurrent and often life-threatening infections, autoimmunity and cancer, and it poses major diagnostic and therapeutic challenges. https://www.selleckchem.com/products/ly2801653-merestinib.html Although the most severe forms of PID are identified in early childhood, most patients present in adulthood, typically with no apparent family history and a variable clinical phenotype of widespread immune dysregulation about 25% of patients have autoimmune disease, allergy is prevalent and up to 10% develop lymphoid malignancies1-3. Consequently, in sporadic (or non-familial) PID genetic diagnosis is difficult and the role of genetics is not well defined. Here we address these challenges by performing whole-genome sequencing in a large PID cohort of 1,318 participants. An analysis of the coding regions of the genome in 886 index cases of PID found that disease-causing mutations in known genes that are implicated in monogenic PID occurred in 10.3% of these patients, and a Bayesian approach (BeviMed4) identified multiple new candidate PID-associated genes, including IVNS1ABP. We also examined the noncoding genome, and found deletions in regulatory regions that contribute to disease causation. In addition, we used a genome-wide association study to identify loci that are associated with PID, and found evidence for the colocalization of-and interplay between-novel high-penetrance monogenic variants and common variants (at the PTPN2 and SOCS1 loci). This begins to explain the contribution of common variants to the variable penetrance and phenotypic complexity that are observed in PID. Thus, using a cohort-based whole-genome-sequencing approach in the diagnosis of PID can increase diagnostic yield and further our understanding of the key pathways that influence immune responsiveness in humans.The recent discovery of correlated insulator states and superconductivity in magic-angle twisted bilayer graphene1,2 has enabled the experimental investigation of electronic correlations in tunable flat-band systems realized in twisted van der Waals heterostructures3-6. This novel twist angle degree of freedom and control should be generalizable to other two-dimensional systems, which may exhibit similar correlated physics behaviour, and could enable techniques to tune and control the strength of electron-electron interactions. Here we report a highly tunable correlated system based on small-angle twisted bilayer-bilayer graphene (TBBG), consisting of two rotated sheets of Bernal-stacked bilayer graphene. We find that TBBG exhibits a rich phase diagram, with tunable correlated insulator states that are highly sensitive to both the twist angle and the application of an electric displacement field, the latter reflecting the inherent polarizability of Bernal-stacked bilayer graphene7,8. The correlated insulator states can be switched on and off by the displacement field at all integer electron fillings of the moiré unit cell.0 Commenti 0 condivisioni 3 Views 0 Anteprima -
Background We assessed the usefulness of gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid enhanced magnetic resonance imaging for the prediction of posthepatectomy liver failure (PHLF) after a major hepatectomy. Methods We reviewed 140 cases involving a hepatectomy of two or more sections between 2010 and 2016 (study cohort). We used the standardized remnant hepatocellular uptake index (SrHUI) which was calculated by SrHUI = future remnant liver volume × [(signal intensity of remnant liver on hepatobiliary phase images/signal intensity of spleen on hepatobiliary phase images) - 1]/body surface area. Validation of the SrHUI was performed in another cohort of 52 major hepatectomy cases between 2017 and 2018 (validation cohort). Results The SrHUI of patients with PHLF was significantly lower than that of non-PHLF cases. Receiver operating characteristic analysis and the Youden index revealed that the SrHUI cutoff value for the prediction of PHLF and PHLF grade ≥ B were 0.313 L/m2 and 0.257 L/m2 , respectively. In the validation cohort, the cutoff value of SrHUI for the prediction of PHLF or PHLF grade ≥ B had a sensitivity of 75.0% or 88.8%, and specificity of 78.1% or 91.6%, respectively. Conclusions The SrHUI value is a predictor for PHLF after a major hepatectomy.The XVth Banff Conference on Allograft Pathology meeting was held on September 23-27, 2019, in Pittsburgh, Pennsylvania, USA. During this meeting, two main topics in cardiac transplant pathology were addressed (a) Improvement of endomyocardial biopsy (EMB) accuracy for the diagnosis of rejection and other significant injury patterns, and (b) the orphaned lesion known as Quilty effect or nodular endocardial infiltrates. Molecular technologies have evolved in recent years, deciphering pathophysiology of cardiac rejection. Diagnostically, it is time to integrate the histopathology of EMBs and molecular data. The goal is to incorporate molecular pathology, performed on the same paraffin block as a companion test for histopathology, to yield more accurate and objective EMB interpretation. Application of digital image analysis from hematoxylin and eosin (H&E) stain to multiplex labeling is another means of extracting additional information from EMBs. New concepts have emerged exploring the multifaceted significance of myocardial injury, minimal rejection patterns supported by molecular profiles, and lesions of arteriolitis/vasculitis in the setting of T cell-mediated rejection (TCMR) and antibody-mediated rejection (AMR). The orphaned lesion known as Quilty effect or nodular endocardial infiltrates. A state-of-the-art session with historical aspects and current dilemmas was reviewed, and possible pathogenesis proposed, based on advances in immunology to explain conflicting data. The Quilty effect will be the subject of a multicenter project to explore whether it functions as a tertiary lymphoid organ.AMPH1, an abundant protein in nerve terminals, plays a critical role in the recruitment of dynamin to sites of clathrin-mediated endocytosis. Recently, it is reported to be involved in breast cancer and lung cancer. However, the impact of AMPH1 on ovarian cancer is unclear. In this study, we used gain-of-function and loss-of-function methods to explore the role of AMPH1 in ovarian cancer cells. AMPH1 inhibited ovarian cancer cell growth and cell migration, and promoted caspase-3 activity, resulting in the increase of cell apoptosis. In xenograft **** model, AMPH1 prevented tumour progression. The anti-oncogene effects of AMPH1 on ovarian cancer might be partially due to the inhibition of PI3K/AKT signalling pathway after overexpression of AMPH1. Immunohistochemistry analysis showed that the staining of AMPH1 was remarkably reduced in ovarian cancer tissues compared with normal ovarian tissues. In conclusion, our study identifies AMPH1 as a tumour suppressor in ovarian cancer in vitro and in vivo. This is the first evidence that AMPH1 inhibited cell growth and migration, and induced apoptosis via the inactivation of PI3K/AKT signalling pathway on ovarian cancer, which may be used as an effective strategy.Iron-deficiency anemia is a potent stimulator of the phosphaturic hormone Fibroblast growth factor-23 (FGF23). Anemia, elevated FGF23, and elevated serum phosphate are significant mortality risk factors for patients with chronic kidney disease (CKD). https://www.selleckchem.com/products/beta-glycerophosphate-sodium-salt-hydrate.html However, the contribution of anemia to overall circulating FGF23 levels in CKD is not understood. Our goal was to investigate the normalization of iron handling in a CKD model using the erythropoiesis stimulating agents (ESAs) Erythropoietin (EPO) and the hypoxia-inducible factor prolyl hydroxylase inhibitor (HIF-PHDi) FG-4592, on the production of, and outcomes associated with, changes in bioactive, intact FGF23 ("iFGF23"). Our hypothesis was that rescuing the prevailing anemia in a model of CKD would reduce circulating FGF23. Wild-type **** were fed an adenine-containing diet to induce CKD, then injected with EPO or FG-4592. The **** with CKD were anemic, and EPO improved red blood cell indices, whereas FG-4592 increased serum EPO and bone marrow erythroferrone (Erfe), and decreased liver ferritin, bone morphogenic protein-6 (Bmp-6), and hepcidin mRNAs. In the **** with CKD, iFGF23 was markedly elevated in control **** but was attenuated by >70% after delivery of either ESA, with no changes in serum phosphate. ESA treatment also reduced renal fibrosis markers, as well as increased Cyp27b1 and reduced Cyp24a1 mRNA expression. Thus, improvement of iron utilization in a CKD model using EPO and a HIF-PHDi significantly reduced iFGF23, demonstrating that anemia is a primary driver of FGF23, and that management of iron utilization in patients with CKD may translate to modifiable outcomes in mineral metabolism.Cornelia de Lange syndrome (CdLS), Rubinstein-Taybi syndrome (RSTS), and KBG syndrome are three distinct developmental human disorders. Variants in seven genes belonging to the cohesin pathway, NIPBL, SMC1A, SMC3, HDAC8, RAD21, ANKRD11, and BRD4, were identified in about 80% of patients with CdLS, suggesting that additional causative genes remain to be discovered. Two genes, CREBBP and EP300, have been associated with RSTS, whereas KBG results from variants in ANKRD11. By exome sequencing, a genetic cause was elucidated in two patients with clinical diagnosis of CdLS but without variants in known CdLS genes. In particular, genetic variants in EP300 and ANKRD11 were identified in the two patients with CdLS. EP300 and ANKRD11 pathogenic variants caused the reduction of the respective proteins suggesting that their low levels contribute to CdLS-like phenotype. These findings highlight the clinical overlap between CdLS, RSTS, and KBG and support the notion that these rare disorders are linked to abnormal chromatin remodeling, which in turn affects the transcriptional machinery.
Background We assessed the usefulness of gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid enhanced magnetic resonance imaging for the prediction of posthepatectomy liver failure (PHLF) after a major hepatectomy. Methods We reviewed 140 cases involving a hepatectomy of two or more sections between 2010 and 2016 (study cohort). We used the standardized remnant hepatocellular uptake index (SrHUI) which was calculated by SrHUI = future remnant liver volume × [(signal intensity of remnant liver on hepatobiliary phase images/signal intensity of spleen on hepatobiliary phase images) - 1]/body surface area. Validation of the SrHUI was performed in another cohort of 52 major hepatectomy cases between 2017 and 2018 (validation cohort). Results The SrHUI of patients with PHLF was significantly lower than that of non-PHLF cases. Receiver operating characteristic analysis and the Youden index revealed that the SrHUI cutoff value for the prediction of PHLF and PHLF grade ≥ B were 0.313 L/m2 and 0.257 L/m2 , respectively. In the validation cohort, the cutoff value of SrHUI for the prediction of PHLF or PHLF grade ≥ B had a sensitivity of 75.0% or 88.8%, and specificity of 78.1% or 91.6%, respectively. Conclusions The SrHUI value is a predictor for PHLF after a major hepatectomy.The XVth Banff Conference on Allograft Pathology meeting was held on September 23-27, 2019, in Pittsburgh, Pennsylvania, USA. During this meeting, two main topics in cardiac transplant pathology were addressed (a) Improvement of endomyocardial biopsy (EMB) accuracy for the diagnosis of rejection and other significant injury patterns, and (b) the orphaned lesion known as Quilty effect or nodular endocardial infiltrates. Molecular technologies have evolved in recent years, deciphering pathophysiology of cardiac rejection. Diagnostically, it is time to integrate the histopathology of EMBs and molecular data. The goal is to incorporate molecular pathology, performed on the same paraffin block as a companion test for histopathology, to yield more accurate and objective EMB interpretation. Application of digital image analysis from hematoxylin and eosin (H&E) stain to multiplex labeling is another means of extracting additional information from EMBs. New concepts have emerged exploring the multifaceted significance of myocardial injury, minimal rejection patterns supported by molecular profiles, and lesions of arteriolitis/vasculitis in the setting of T cell-mediated rejection (TCMR) and antibody-mediated rejection (AMR). The orphaned lesion known as Quilty effect or nodular endocardial infiltrates. A state-of-the-art session with historical aspects and current dilemmas was reviewed, and possible pathogenesis proposed, based on advances in immunology to explain conflicting data. The Quilty effect will be the subject of a multicenter project to explore whether it functions as a tertiary lymphoid organ.AMPH1, an abundant protein in nerve terminals, plays a critical role in the recruitment of dynamin to sites of clathrin-mediated endocytosis. Recently, it is reported to be involved in breast cancer and lung cancer. However, the impact of AMPH1 on ovarian cancer is unclear. In this study, we used gain-of-function and loss-of-function methods to explore the role of AMPH1 in ovarian cancer cells. AMPH1 inhibited ovarian cancer cell growth and cell migration, and promoted caspase-3 activity, resulting in the increase of cell apoptosis. In xenograft mice model, AMPH1 prevented tumour progression. The anti-oncogene effects of AMPH1 on ovarian cancer might be partially due to the inhibition of PI3K/AKT signalling pathway after overexpression of AMPH1. Immunohistochemistry analysis showed that the staining of AMPH1 was remarkably reduced in ovarian cancer tissues compared with normal ovarian tissues. In conclusion, our study identifies AMPH1 as a tumour suppressor in ovarian cancer in vitro and in vivo. This is the first evidence that AMPH1 inhibited cell growth and migration, and induced apoptosis via the inactivation of PI3K/AKT signalling pathway on ovarian cancer, which may be used as an effective strategy.Iron-deficiency anemia is a potent stimulator of the phosphaturic hormone Fibroblast growth factor-23 (FGF23). Anemia, elevated FGF23, and elevated serum phosphate are significant mortality risk factors for patients with chronic kidney disease (CKD). https://www.selleckchem.com/products/beta-glycerophosphate-sodium-salt-hydrate.html However, the contribution of anemia to overall circulating FGF23 levels in CKD is not understood. Our goal was to investigate the normalization of iron handling in a CKD model using the erythropoiesis stimulating agents (ESAs) Erythropoietin (EPO) and the hypoxia-inducible factor prolyl hydroxylase inhibitor (HIF-PHDi) FG-4592, on the production of, and outcomes associated with, changes in bioactive, intact FGF23 ("iFGF23"). Our hypothesis was that rescuing the prevailing anemia in a model of CKD would reduce circulating FGF23. Wild-type mice were fed an adenine-containing diet to induce CKD, then injected with EPO or FG-4592. The mice with CKD were anemic, and EPO improved red blood cell indices, whereas FG-4592 increased serum EPO and bone marrow erythroferrone (Erfe), and decreased liver ferritin, bone morphogenic protein-6 (Bmp-6), and hepcidin mRNAs. In the mice with CKD, iFGF23 was markedly elevated in control mice but was attenuated by >70% after delivery of either ESA, with no changes in serum phosphate. ESA treatment also reduced renal fibrosis markers, as well as increased Cyp27b1 and reduced Cyp24a1 mRNA expression. Thus, improvement of iron utilization in a CKD model using EPO and a HIF-PHDi significantly reduced iFGF23, demonstrating that anemia is a primary driver of FGF23, and that management of iron utilization in patients with CKD may translate to modifiable outcomes in mineral metabolism.Cornelia de Lange syndrome (CdLS), Rubinstein-Taybi syndrome (RSTS), and KBG syndrome are three distinct developmental human disorders. Variants in seven genes belonging to the cohesin pathway, NIPBL, SMC1A, SMC3, HDAC8, RAD21, ANKRD11, and BRD4, were identified in about 80% of patients with CdLS, suggesting that additional causative genes remain to be discovered. Two genes, CREBBP and EP300, have been associated with RSTS, whereas KBG results from variants in ANKRD11. By exome sequencing, a genetic cause was elucidated in two patients with clinical diagnosis of CdLS but without variants in known CdLS genes. In particular, genetic variants in EP300 and ANKRD11 were identified in the two patients with CdLS. EP300 and ANKRD11 pathogenic variants caused the reduction of the respective proteins suggesting that their low levels contribute to CdLS-like phenotype. These findings highlight the clinical overlap between CdLS, RSTS, and KBG and support the notion that these rare disorders are linked to abnormal chromatin remodeling, which in turn affects the transcriptional machinery.0 Commenti 0 condivisioni 3 Views 0 Anteprima -
A higher resolution structure of PaHigA-DNA complex at 2.50 Å further revealed three water molecules bridged the DNA-binding interface and mediated the interactions between the bases of palindromic sequences and PaHigA (Thr40, Asp43, and Arg49). Structure-based mutagenesis confirmed these residues are essential for the specific DNA-binding ability of PaHigA. Our structure-function studies therefore elucidated the cooperative dimer-dimer transcription repression mechanism, and may help to understand the regulation of multiple virulence factors by PaHigA in P. aeruginosa. Copyright © 2020 Liu, Gao, Liu, Geng, Dong and Zhang.As for the wild animals, their diet components are always changed, so that we have to monitor such changes by analyzing the modification of intestinal microbial community. Such effort allows us to amend their conservation strategies and tactics accordingly so that they are able to appropriately adapt to the new environment and dietary selection. In this study we focus on the gut flora of two groups of an endangered species, Alpine musk deer (Moschus chrysogaster), wild group (WG) which is compared with that of the individuals of the same species but kept in the captivities (CG), a control group. Such a project is aimed to work out whether the composition of the gut microbes has significantly been changed due to captive feedings. To do so, we used 16S rRNA amplicon sequencing to characterize gut bacteria of the musk deer from the two groups. The results show that there is a significant difference in community structure of the bacteria WG shows significant enrichment of Firmicutes and depletion of Bacteroidetes, while CG has a significant abundance of Proteobacteria and Euryarchaeota. Metagenomics was used to analyze the differences in functional enzymes between the two groups. The related results indicate that genes in WG are mostly related to the enzymes digesting cellulose and generating short-chain fatty acids (SCFAs) for signaling pathways, but CG shows enrichment in methanogenesis, including the CO2/H2 pathway and the methylotrophic pathway. Thus, this study indicates that the Firmicutes-rich gut microbiota in the WG enables individuals to maximize their energy intake from the cellulose, and has significant abundance of Euryarchaeota and methanogenesis pathways that allow them to reduce redundant energy consumption in methane metabolism, ensuring them to adapt to the wild environments. Copyright © 2020 Sun, Sun, Shi, Liu, Zhao, Lu, Gao, Zhu, Chen, Zhang, Pan, Li, Teng and Guo.Biomass distribution among size classes follows a power law where the Log-abundance of taxa scales to Log-size with a slope that responds to environmental abiotic and biotic conditions. The interactions between ecological mechanisms controlling the slope of locally realized size-abundance relationships (SAR) are however not well understood. Here we tested how warming, nutrient levels, and grazing affect the slope of phytoplankton community SARs in decadal time-series from eight Swiss lakes of the peri-alpine region, which underwent environmental forcing due to climate change and oligotrophication. We expected rising temperature to have a negative effect on slope (favoring small phytoplankton), and increasing nutrient levels and grazing pressure to have a positive effect (benefiting large phytoplankton). Using a random forest approach to extract robust patterns from the noisy data, we found that the effects of temperature (direct and indirect through water column stability), nutrient availability (phosphorus ag and water temperature in a complex, unexpected way, and observations from long-term studies can deviate significantly from general theoretical expectations. Copyright © 2020 Pomati, Shurin, Andersen, Tellenbach and Barton.The Indian Ocean harbors oxygen minimum zones (OMZs) in the Arabian Sea and Bay of Bengal, with dissolved oxygen less then 20 μM, located at the mid-depths of the water column. Till date, high-throughput sequence-data on depth-wise distribution of prokaryotic communities have rarely been reported from these OMZs. The present study aimed to characterize the prokaryotic diversity inhabiting Arabian Sea Time Series (ASTS) and India's Idea 2 (II2) in the Arabian Sea, and Bay of Bengal Time Series (BoBTS) in the Bay of Bengal OMZs based on amplicon sequencing of 16S rRNA gene regions, along six sampled depths in the water column. High prokaryotic richness was observed in the Arabian Sea and Bay of Bengal samples. Operational taxonomic units (OTUs) in the range of 1249-3298 were identified, wherein, less prokaryotic diversity was observed at surface and within oxygen minimum depths. At phylum level, most OTUs were affiliated to Bacteroidetes, Chloroflexi, Cyanobacteria, Marinimicrobia, Planctomycetes, and Proteobacteria. Prokaryotic community differed between ASTS, II2 and BoBTS locations along varying physicochemical conditions. Predictive functional profiling of the bacterial communities suggested the involvement of abundant microbes in nitrogen and sulfur metabolism pathways. Bacterial isolates belonging to genera from the clades, δ-Proteobacteria and γ-Proteobacteria, described previously for their participation in biogeochemical cycling of N-and-S in the OMZs were reported from deoxygenated waters of both the basins. Bacteria involved in anammox such as Candidatus Scalindua were found to be relatively high at ASTS and II2 locations in the Arabian Sea. Further studies are required to ascertain the role of abundant bacteria along the dynamic oceanographic processes in the OMZs. Copyright © 2020 Fernandes, Shenoy and Damare.In an effort to control aflatoxin contamination in food and/or feed grains, a segment of research has focused on host resistance to eliminate aflatoxin from susceptible crops, including maize. To this end, screening tools are key to identifying resistant maize genotypes. The traditional field screening techniques, the kernel screening laboratory assay (KSA), and analytical methods (e.g., ELISA) used for evaluating corn lines for resistance to fungal invasion, all ultimately require sample destruction. https://www.selleckchem.com/products/ml351.html A technological advancement on the basic BGYF presumptive screening test, fluorescence hyperspectral imaging offers an option for non-destructive and rapid image-based screening. The present study aimed to differentiate fluorescence spectral signatures of representative resistant and susceptible corn hybrids infected by a toxigenic (SRRC-AF13) and an atoxigenic (SRRC-AF36) strain of Aspergillus flavus, at several time points (5, 7, 10, and 14 days), in order to evaluate fluorescence hyperspectral imaging as a viable technique for early, non-invasive aflatoxin screening in resistant and susceptible corn lines.
A higher resolution structure of PaHigA-DNA complex at 2.50 Å further revealed three water molecules bridged the DNA-binding interface and mediated the interactions between the bases of palindromic sequences and PaHigA (Thr40, Asp43, and Arg49). Structure-based mutagenesis confirmed these residues are essential for the specific DNA-binding ability of PaHigA. Our structure-function studies therefore elucidated the cooperative dimer-dimer transcription repression mechanism, and may help to understand the regulation of multiple virulence factors by PaHigA in P. aeruginosa. Copyright © 2020 Liu, Gao, Liu, Geng, Dong and Zhang.As for the wild animals, their diet components are always changed, so that we have to monitor such changes by analyzing the modification of intestinal microbial community. Such effort allows us to amend their conservation strategies and tactics accordingly so that they are able to appropriately adapt to the new environment and dietary selection. In this study we focus on the gut flora of two groups of an endangered species, Alpine musk deer (Moschus chrysogaster), wild group (WG) which is compared with that of the individuals of the same species but kept in the captivities (CG), a control group. Such a project is aimed to work out whether the composition of the gut microbes has significantly been changed due to captive feedings. To do so, we used 16S rRNA amplicon sequencing to characterize gut bacteria of the musk deer from the two groups. The results show that there is a significant difference in community structure of the bacteria WG shows significant enrichment of Firmicutes and depletion of Bacteroidetes, while CG has a significant abundance of Proteobacteria and Euryarchaeota. Metagenomics was used to analyze the differences in functional enzymes between the two groups. The related results indicate that genes in WG are mostly related to the enzymes digesting cellulose and generating short-chain fatty acids (SCFAs) for signaling pathways, but CG shows enrichment in methanogenesis, including the CO2/H2 pathway and the methylotrophic pathway. Thus, this study indicates that the Firmicutes-rich gut microbiota in the WG enables individuals to maximize their energy intake from the cellulose, and has significant abundance of Euryarchaeota and methanogenesis pathways that allow them to reduce redundant energy consumption in methane metabolism, ensuring them to adapt to the wild environments. Copyright © 2020 Sun, Sun, Shi, Liu, Zhao, Lu, Gao, Zhu, Chen, Zhang, Pan, Li, Teng and Guo.Biomass distribution among size classes follows a power law where the Log-abundance of taxa scales to Log-size with a slope that responds to environmental abiotic and biotic conditions. The interactions between ecological mechanisms controlling the slope of locally realized size-abundance relationships (SAR) are however not well understood. Here we tested how warming, nutrient levels, and grazing affect the slope of phytoplankton community SARs in decadal time-series from eight Swiss lakes of the peri-alpine region, which underwent environmental forcing due to climate change and oligotrophication. We expected rising temperature to have a negative effect on slope (favoring small phytoplankton), and increasing nutrient levels and grazing pressure to have a positive effect (benefiting large phytoplankton). Using a random forest approach to extract robust patterns from the noisy data, we found that the effects of temperature (direct and indirect through water column stability), nutrient availability (phosphorus ag and water temperature in a complex, unexpected way, and observations from long-term studies can deviate significantly from general theoretical expectations. Copyright © 2020 Pomati, Shurin, Andersen, Tellenbach and Barton.The Indian Ocean harbors oxygen minimum zones (OMZs) in the Arabian Sea and Bay of Bengal, with dissolved oxygen less then 20 μM, located at the mid-depths of the water column. Till date, high-throughput sequence-data on depth-wise distribution of prokaryotic communities have rarely been reported from these OMZs. The present study aimed to characterize the prokaryotic diversity inhabiting Arabian Sea Time Series (ASTS) and India's Idea 2 (II2) in the Arabian Sea, and Bay of Bengal Time Series (BoBTS) in the Bay of Bengal OMZs based on amplicon sequencing of 16S rRNA gene regions, along six sampled depths in the water column. High prokaryotic richness was observed in the Arabian Sea and Bay of Bengal samples. Operational taxonomic units (OTUs) in the range of 1249-3298 were identified, wherein, less prokaryotic diversity was observed at surface and within oxygen minimum depths. At phylum level, most OTUs were affiliated to Bacteroidetes, Chloroflexi, Cyanobacteria, Marinimicrobia, Planctomycetes, and Proteobacteria. Prokaryotic community differed between ASTS, II2 and BoBTS locations along varying physicochemical conditions. Predictive functional profiling of the bacterial communities suggested the involvement of abundant microbes in nitrogen and sulfur metabolism pathways. Bacterial isolates belonging to genera from the clades, δ-Proteobacteria and γ-Proteobacteria, described previously for their participation in biogeochemical cycling of N-and-S in the OMZs were reported from deoxygenated waters of both the basins. Bacteria involved in anammox such as Candidatus Scalindua were found to be relatively high at ASTS and II2 locations in the Arabian Sea. Further studies are required to ascertain the role of abundant bacteria along the dynamic oceanographic processes in the OMZs. Copyright © 2020 Fernandes, Shenoy and Damare.In an effort to control aflatoxin contamination in food and/or feed grains, a segment of research has focused on host resistance to eliminate aflatoxin from susceptible crops, including maize. To this end, screening tools are key to identifying resistant maize genotypes. The traditional field screening techniques, the kernel screening laboratory assay (KSA), and analytical methods (e.g., ELISA) used for evaluating corn lines for resistance to fungal invasion, all ultimately require sample destruction. https://www.selleckchem.com/products/ml351.html A technological advancement on the basic BGYF presumptive screening test, fluorescence hyperspectral imaging offers an option for non-destructive and rapid image-based screening. The present study aimed to differentiate fluorescence spectral signatures of representative resistant and susceptible corn hybrids infected by a toxigenic (SRRC-AF13) and an atoxigenic (SRRC-AF36) strain of Aspergillus flavus, at several time points (5, 7, 10, and 14 days), in order to evaluate fluorescence hyperspectral imaging as a viable technique for early, non-invasive aflatoxin screening in resistant and susceptible corn lines.0 Commenti 0 condivisioni 3 Views 0 Anteprima -
Transforming growth factor beta 1 (TGFβ1) is a pleiotropic cytokine that acts in a context-dependent manner. In breast cancer (**) this cytokine exerts subtype- and stage-specific roles, inhibiting poorly aggressive tumors while enhances the invasive potential of highly aggressive cancers. Single-nucleotide polymorphisms (SNPs) affecting TGFβ1 production largely reflect this pattern of association, but studies investigating systemic TGFβ1 levels in ** patients and their association with clinical features or SNPs produced conflicting conclusions. Therefore, the present work investigated plasmatic TGFβ1 levels through enzyme linked immunosorbent assay (ELISA) in 341 individuals previously genotyped for four TGFB1 SNPs [G-800A (rs1800468), C-509T (rs1800469), T29C (rs1800470) and G74C (rs1800471)], encompassing 184 neoplasia-free women with clinical information regarding health status, 113 treatment-free pre-surgery ** patients and 44 treated ** patients. Results have shown that TGFβ1 levels varied greatly in function of health status in neoplasia-free women, and disease-free individuals had higher TGFβ1 levels than both treatment-free or treated ** patients. There was no correlation between TGFβ1 with clinicopathological features in treatment-free ** general group, but it was negatively correlated with tumor size in luminal-B-HER2+ patients and with histopathological grade in triple-negative group. https://www.selleckchem.com/products/chir-99021-ct99021-hcl.html Also, TGFB1 ACTG haplotype (from G-800A to G74C) was associated with decreased TGFβ1 levels compared to the reference GCTG haplotype, and regression analyses showed that this association was independent of age, health status or ** diagnosis. In conclusion, several factors may influence TGFβ1 levels, and ACTG haplotype seems to be an important factor regulating TGFβ1 production. Sleep and epilepsy interact with each other in a complex bidirectional way. The main objective of this study was to characterize and determine the prevalence of sleep and behavioral disorders among Italian children and adolescents with epilepsy. We asked 84 consecutive parents/caregivers of patients with epilepsy aged between 6 and 17 years old to fill out the Sleep Disturbances Scale for Children (SDSC) and Child Behavior Checklist (CBCL). An abnormal total sleep score was found in 20 subjects with epilepsy (23.8%), compared with 4 (4.4%) of control group (P less then .001). Forty-eight patients (57.1%) had an abnormal score in at least one SDSC factor disorders in initiating and maintaining sleep (DIMS; 13.1%), sleep breathing disorders (SBD; 13.1%), disorders of arousal (DA; 5.9%), sleep-wake transition disorders (SWTD; 15.5%), disorders of excessive somnolence (DOES; 20.2%), and sleep hyperhidrosis (SHY; 5.9%). Patients with epilepsy showed higher prevalence of behavioral/emotional disturbances in all CBCL domains but one compared with patients without epilepsy. The SDSC and CBCL total scores showed a significant correlation (R-square = 0.256; P less then .001). Sleep and behavioral/emotional disorders are common in epilepsy during childhood and adolescence. The SDSC could be a valid tool to screen sleep disturbances in this group of patients. The effects of different hypochlorite types (namely Ca(OCl)2 and NaOCl) on the waste activated sludge (WAS) anaerobic fermentation, and microbial community and activity were investigated. The results indicated that both Ca(OCl)2 and NaOCl contributed to volatile fatty acids (VFAs) production by simultaneously enhancing the solubilization, hydrolysis and acidification processes. The maximal VFAs was respectively 1379.5 (at 10 d) and 1621.5 (at 8 d) mg COD/L at the optimal dose of NaOCl and Ca(OCl)2 while it was merely 157.4 (at 6 d) mg COD/L in the control. However, the Ca(OCl)2 might affect the anaerobic process in a continuous mode while the NaOCl was relatively transient, which caused distinctive influences on the microbial structure and activity, and subsequently VFAs production in WAS fermentation systems. Moreover, Ca(OCl)2 treatments showed advantages over NaOCl on WAS dewatering and VSS reduction, implying the superiority of utilizing Ca(OCl)2 as additives for WAS disposal. The validation of a control strategy for biogas upgrading via light-driven CO2 consumption by microalgae and H2S oxidation by oxidizing bacteria using the oxygen photosynthetically generated was performed in a semi-industrial scale (9.6 m3) photobioreactor. The control system was able to support CO2 concentrations lower than 2% with O2 contents ≤ 1% regardless of the pH in the cultivation broth (ranging from 9.05 to 9.50). Moreover, the control system was efficient to cope with variations in biogas flowrate from 143 to 420 L h-1, resulting in a biomethane composition of CO2 95.5%, O2 less then 1% and no H2S. Despite the poor robustness of this technology against failures in biogas and liquid supply (CH4 concentration of 67.5 and 70.9% after 2 h of biogas or liquid stoppage, respectively), the control system was capable of restoring biomethane quality in less than 2 h when biogas or liquid supply was resumed. Deep eutectic solvent (DES) with protonic acid shows the great potential for biomass valorization. However, the acid corrosion and recycling are still severe challenges in biorefinery. Herein, a novel DES by coordinating FeCl3 in choline chloride/glycerol DES was designed for effective and recyclable pretreatment. As compared to DESs with FeCl2, ZnCl2, AlCl3 and CuCl2, DES with FeCl3 approvingly retained most of cellulose in pretreated Hybrid Pennisetum (95.2%). Meanwhile, the cellulose saccharification significantly increased to 99.5%, which was six-fold higher than that of raw biomass. The excellent pretreatment performance was mainly attributed to the high removal of lignin (78.88 wt%) and hemicelluloses (93.63 wt%) under the synergistic effect of Lewis acid and proper hydrogen-bond interaction of DES with FeCl3. Furthermore, almost all cellulose still can be converted into glucose after five recycling process. Overall, the process demonstrated designed pretreatment was great potential for the low-cost biorefinery and boost the biofuel development.
Transforming growth factor beta 1 (TGFβ1) is a pleiotropic cytokine that acts in a context-dependent manner. In breast cancer (BC) this cytokine exerts subtype- and stage-specific roles, inhibiting poorly aggressive tumors while enhances the invasive potential of highly aggressive cancers. Single-nucleotide polymorphisms (SNPs) affecting TGFβ1 production largely reflect this pattern of association, but studies investigating systemic TGFβ1 levels in BC patients and their association with clinical features or SNPs produced conflicting conclusions. Therefore, the present work investigated plasmatic TGFβ1 levels through enzyme linked immunosorbent assay (ELISA) in 341 individuals previously genotyped for four TGFB1 SNPs [G-800A (rs1800468), C-509T (rs1800469), T29C (rs1800470) and G74C (rs1800471)], encompassing 184 neoplasia-free women with clinical information regarding health status, 113 treatment-free pre-surgery BC patients and 44 treated BC patients. Results have shown that TGFβ1 levels varied greatly in function of health status in neoplasia-free women, and disease-free individuals had higher TGFβ1 levels than both treatment-free or treated BC patients. There was no correlation between TGFβ1 with clinicopathological features in treatment-free BC general group, but it was negatively correlated with tumor size in luminal-B-HER2+ patients and with histopathological grade in triple-negative group. https://www.selleckchem.com/products/chir-99021-ct99021-hcl.html Also, TGFB1 ACTG haplotype (from G-800A to G74C) was associated with decreased TGFβ1 levels compared to the reference GCTG haplotype, and regression analyses showed that this association was independent of age, health status or BC diagnosis. In conclusion, several factors may influence TGFβ1 levels, and ACTG haplotype seems to be an important factor regulating TGFβ1 production. Sleep and epilepsy interact with each other in a complex bidirectional way. The main objective of this study was to characterize and determine the prevalence of sleep and behavioral disorders among Italian children and adolescents with epilepsy. We asked 84 consecutive parents/caregivers of patients with epilepsy aged between 6 and 17 years old to fill out the Sleep Disturbances Scale for Children (SDSC) and Child Behavior Checklist (CBCL). An abnormal total sleep score was found in 20 subjects with epilepsy (23.8%), compared with 4 (4.4%) of control group (P less then .001). Forty-eight patients (57.1%) had an abnormal score in at least one SDSC factor disorders in initiating and maintaining sleep (DIMS; 13.1%), sleep breathing disorders (SBD; 13.1%), disorders of arousal (DA; 5.9%), sleep-wake transition disorders (SWTD; 15.5%), disorders of excessive somnolence (DOES; 20.2%), and sleep hyperhidrosis (SHY; 5.9%). Patients with epilepsy showed higher prevalence of behavioral/emotional disturbances in all CBCL domains but one compared with patients without epilepsy. The SDSC and CBCL total scores showed a significant correlation (R-square = 0.256; P less then .001). Sleep and behavioral/emotional disorders are common in epilepsy during childhood and adolescence. The SDSC could be a valid tool to screen sleep disturbances in this group of patients. The effects of different hypochlorite types (namely Ca(OCl)2 and NaOCl) on the waste activated sludge (WAS) anaerobic fermentation, and microbial community and activity were investigated. The results indicated that both Ca(OCl)2 and NaOCl contributed to volatile fatty acids (VFAs) production by simultaneously enhancing the solubilization, hydrolysis and acidification processes. The maximal VFAs was respectively 1379.5 (at 10 d) and 1621.5 (at 8 d) mg COD/L at the optimal dose of NaOCl and Ca(OCl)2 while it was merely 157.4 (at 6 d) mg COD/L in the control. However, the Ca(OCl)2 might affect the anaerobic process in a continuous mode while the NaOCl was relatively transient, which caused distinctive influences on the microbial structure and activity, and subsequently VFAs production in WAS fermentation systems. Moreover, Ca(OCl)2 treatments showed advantages over NaOCl on WAS dewatering and VSS reduction, implying the superiority of utilizing Ca(OCl)2 as additives for WAS disposal. The validation of a control strategy for biogas upgrading via light-driven CO2 consumption by microalgae and H2S oxidation by oxidizing bacteria using the oxygen photosynthetically generated was performed in a semi-industrial scale (9.6 m3) photobioreactor. The control system was able to support CO2 concentrations lower than 2% with O2 contents ≤ 1% regardless of the pH in the cultivation broth (ranging from 9.05 to 9.50). Moreover, the control system was efficient to cope with variations in biogas flowrate from 143 to 420 L h-1, resulting in a biomethane composition of CO2 95.5%, O2 less then 1% and no H2S. Despite the poor robustness of this technology against failures in biogas and liquid supply (CH4 concentration of 67.5 and 70.9% after 2 h of biogas or liquid stoppage, respectively), the control system was capable of restoring biomethane quality in less than 2 h when biogas or liquid supply was resumed. Deep eutectic solvent (DES) with protonic acid shows the great potential for biomass valorization. However, the acid corrosion and recycling are still severe challenges in biorefinery. Herein, a novel DES by coordinating FeCl3 in choline chloride/glycerol DES was designed for effective and recyclable pretreatment. As compared to DESs with FeCl2, ZnCl2, AlCl3 and CuCl2, DES with FeCl3 approvingly retained most of cellulose in pretreated Hybrid Pennisetum (95.2%). Meanwhile, the cellulose saccharification significantly increased to 99.5%, which was six-fold higher than that of raw biomass. The excellent pretreatment performance was mainly attributed to the high removal of lignin (78.88 wt%) and hemicelluloses (93.63 wt%) under the synergistic effect of Lewis acid and proper hydrogen-bond interaction of DES with FeCl3. Furthermore, almost all cellulose still can be converted into glucose after five recycling process. Overall, the process demonstrated designed pretreatment was great potential for the low-cost biorefinery and boost the biofuel development.0 Commenti 0 condivisioni 3 Views 0 Anteprima -
Urine spectra acquired by NMR allowed the identification of 86 metabolites in healthy dogs, belonging to 49 different pathways mainly involved in amino acid metabolism, purine and aminoacyl-tRNA biosynthesis or tricarboxylic acid cycle. Seventeen metabolites showed significantly different concentrations when comparing healthy and CKD dogs. In particular, carnosine, trigonelline, and cis-aconitate, might be suggested as putative biomarkers of CKD in dogs. SIGNIFICANCE Urine is an ideal biological sample, however few proteomics and metabolomics studies investigated this fluid in dogs and in the context of CKD (chronic kidney disease). In this research, applying a multi-omics approach, new insights were gained regarding the molecular changes triggered by this disease in canine urinary proteome and metabolome. In particular, the involvement of the tubular component was highlighted, suggesting uromodulin, trigonelline and carnosine as possible biomarkers of CKD in dogs. An anomalous origin of the right vertebral artery (VA) from the right internal carotid artery occurs rarely. The case of a patient who underwent carotid artery stenting for right internal carotid artery stenosis is presented. In this patient, the right VA arose from the right ICA associated with an aberrant right subclavian artery. Embryologically, failure of involution of one of the first six intersegmental arteries causes a variety of abnormal origins of the VA. The embryonic development of this anomaly is also reviewed. BACKGROUND The carotid web (CW), an atypical fibromuscular dysplasia, is a rare disease and may cause ischemic stroke. It is challenging to recognize CW promptly and treat it accordingly. Here we report an initially misdiagnosed case of CW. CASE DESCRIPTION A 48-year-old male with recurrent cerebral infarction was transferred to our hospital for bypass surgery. Imaging study in our facility showed multiple old infarct lesions and cerebral tissue hypoperfusion in the occluded left MCA territory. Bypass surgery was performed without perioperative complications. During search of the cause of his stroke, we found a thin intraluminal filling defect along the posterior wall of left carotid bulb just beyond the carotid bifurcation on the sagittal MIP images and axial thin-cuts, as well as VR images. The special structure was diagnosed as CW. It was also detected on follow-up ultrasonography. Due to our initial unawareness, we did not photograph the carotid bulb during the preoperative DSA and postoperative CTA. Although the patient was treated with bypass, the persistence of the factors underlying his CW may induce further thrombosis and subsequent occlusion of his ipsilateral anterior cerebral artery. CONCLUSIONS Clinicians should be aware of CW as a potential cause of ischemic stroke. Head and neck CTA is a reliable imaging method to detect CWs. Although obesity contributes to the onset and pathogenesis of metabolic diseases, it has been repeatedly demonstrated that being overweight or mildly obese carries a survival advantage compared with being thin or normal-weight. This relationship is called the obesity paradox. Hence, it is necessary to clarify the underlying mechanism of obesity onset for the prevention and treatment of these diseases. Catalase is distributed in peroxisomes under normal redox conditions and catalase activity is increased during the differentiation of 3T3-L1 preadipocytes to adipocytes. Although peroxisomes are responsible for lipid metabolism, the role of peroxisomal catalase in the process of lipid accumulation remains unclear. The present study aimed to investigate the relationships among catalase activity, peroxisome content, and lipid accumulation during the differentiation of 3T3-L1 preadipocytes to adipocytes. Increased catalase activity and lipid accumulation were observed during the differentiation of preadipocytes. Silencing of catalase by small interfering RNA or treatment with 3-amino-1,2,4-triazole (3-AT), a catalase inhibitor, resulted in reduced lipid accumulation. Inhibition of catalase activity in peroxisomes increases hydrogen peroxide (H2O2) levels, which results in a reduction of peroxisome content. Extracellular H2O2 had no influence on lipid accumulation during differentiation. The occurrence of autophagy was clearly enhanced in cells treated with 3-AT. Spautin-1, an inhibitor of autophagy flux, protected against a reduction in lipid accumulation by treatment with 3-AT. Our data provide evidence that catalase protects against the degradation of peroxisomes via the occurrence of autophagy triggered by the generation of H2O2 in peroxisomes. These results suggest that catalase in peroxisomes is crucial to adipogenesis. Haploinsufficiency of A20 (HA20) causes inflammatory disease resembling Behçet's disease; many cases have been reported, including some that are complicated with autoimmune diseases. https://www.selleckchem.com/products/pentetic-acid.html This study aims to clarify the immunophenotype of patients with HA20 by analyzing lymphocyte subsets using multicolor flow cytometry. The patients with HA20 previously diagnosed in a nationwide survey were compared by their cell subpopulations. In total, 27 parameters including regulatory T cells (Tregs), double-negative T cells (DNTs), and follicular helper T cells (TFHs) were analyzed and compared with the reference values in four age groups 0-1, 2-6, 7-19, and ≥20 years. The Tregs of patients with HA20 tended to increase in tandem with age-matched controls at all ages. In addition, patients ≥20 years had increased DNTs compared with controls, whereas TFHs significantly increased in younger patients. In HA20 patients, the increase in DNTs and TFHs may contribute to the development of autoimmune diseases. BACKGROUND While smoking continues to be the most preventable cause of mortality in the United States, most current smokers remain not ready to quit at any given time. Engaging these 'motivation phase' smokers with brief experiences to build confidence and practice skills related to cessation could lead to sooner and more successful quit attempts. Increasingly available mobile technology and gamification can be used to provide smokers with accessible and engaging support. METHODS We describe our protocol for conducting a randomized controlled trial evaluating Take a Break, an mHealth-based smoking pre-cessation challenge designed for smokers not ready to quit. Participants in the intervention receive 1) Motivational Messages, 2) text message Challenge Quizzes, 3) Goal-setting with tobacco treatment specialist, 4) Coping Mini-Games apps, and 5) Recognition and Rewards for participation during a 3-week challenge. Access to coping mini-games and motivational messaging continues for 6-months. Both intervention and comparison group participants receive brief Nicotine Replacement Therapy (NRT) sampling and daily smoking assessment text messages for three weeks.
Urine spectra acquired by NMR allowed the identification of 86 metabolites in healthy dogs, belonging to 49 different pathways mainly involved in amino acid metabolism, purine and aminoacyl-tRNA biosynthesis or tricarboxylic acid cycle. Seventeen metabolites showed significantly different concentrations when comparing healthy and CKD dogs. In particular, carnosine, trigonelline, and cis-aconitate, might be suggested as putative biomarkers of CKD in dogs. SIGNIFICANCE Urine is an ideal biological sample, however few proteomics and metabolomics studies investigated this fluid in dogs and in the context of CKD (chronic kidney disease). In this research, applying a multi-omics approach, new insights were gained regarding the molecular changes triggered by this disease in canine urinary proteome and metabolome. In particular, the involvement of the tubular component was highlighted, suggesting uromodulin, trigonelline and carnosine as possible biomarkers of CKD in dogs. An anomalous origin of the right vertebral artery (VA) from the right internal carotid artery occurs rarely. The case of a patient who underwent carotid artery stenting for right internal carotid artery stenosis is presented. In this patient, the right VA arose from the right ICA associated with an aberrant right subclavian artery. Embryologically, failure of involution of one of the first six intersegmental arteries causes a variety of abnormal origins of the VA. The embryonic development of this anomaly is also reviewed. BACKGROUND The carotid web (CW), an atypical fibromuscular dysplasia, is a rare disease and may cause ischemic stroke. It is challenging to recognize CW promptly and treat it accordingly. Here we report an initially misdiagnosed case of CW. CASE DESCRIPTION A 48-year-old male with recurrent cerebral infarction was transferred to our hospital for bypass surgery. Imaging study in our facility showed multiple old infarct lesions and cerebral tissue hypoperfusion in the occluded left MCA territory. Bypass surgery was performed without perioperative complications. During search of the cause of his stroke, we found a thin intraluminal filling defect along the posterior wall of left carotid bulb just beyond the carotid bifurcation on the sagittal MIP images and axial thin-cuts, as well as VR images. The special structure was diagnosed as CW. It was also detected on follow-up ultrasonography. Due to our initial unawareness, we did not photograph the carotid bulb during the preoperative DSA and postoperative CTA. Although the patient was treated with bypass, the persistence of the factors underlying his CW may induce further thrombosis and subsequent occlusion of his ipsilateral anterior cerebral artery. CONCLUSIONS Clinicians should be aware of CW as a potential cause of ischemic stroke. Head and neck CTA is a reliable imaging method to detect CWs. Although obesity contributes to the onset and pathogenesis of metabolic diseases, it has been repeatedly demonstrated that being overweight or mildly obese carries a survival advantage compared with being thin or normal-weight. This relationship is called the obesity paradox. Hence, it is necessary to clarify the underlying mechanism of obesity onset for the prevention and treatment of these diseases. Catalase is distributed in peroxisomes under normal redox conditions and catalase activity is increased during the differentiation of 3T3-L1 preadipocytes to adipocytes. Although peroxisomes are responsible for lipid metabolism, the role of peroxisomal catalase in the process of lipid accumulation remains unclear. The present study aimed to investigate the relationships among catalase activity, peroxisome content, and lipid accumulation during the differentiation of 3T3-L1 preadipocytes to adipocytes. Increased catalase activity and lipid accumulation were observed during the differentiation of preadipocytes. Silencing of catalase by small interfering RNA or treatment with 3-amino-1,2,4-triazole (3-AT), a catalase inhibitor, resulted in reduced lipid accumulation. Inhibition of catalase activity in peroxisomes increases hydrogen peroxide (H2O2) levels, which results in a reduction of peroxisome content. Extracellular H2O2 had no influence on lipid accumulation during differentiation. The occurrence of autophagy was clearly enhanced in cells treated with 3-AT. Spautin-1, an inhibitor of autophagy flux, protected against a reduction in lipid accumulation by treatment with 3-AT. Our data provide evidence that catalase protects against the degradation of peroxisomes via the occurrence of autophagy triggered by the generation of H2O2 in peroxisomes. These results suggest that catalase in peroxisomes is crucial to adipogenesis. Haploinsufficiency of A20 (HA20) causes inflammatory disease resembling Behçet's disease; many cases have been reported, including some that are complicated with autoimmune diseases. https://www.selleckchem.com/products/pentetic-acid.html This study aims to clarify the immunophenotype of patients with HA20 by analyzing lymphocyte subsets using multicolor flow cytometry. The patients with HA20 previously diagnosed in a nationwide survey were compared by their cell subpopulations. In total, 27 parameters including regulatory T cells (Tregs), double-negative T cells (DNTs), and follicular helper T cells (TFHs) were analyzed and compared with the reference values in four age groups 0-1, 2-6, 7-19, and ≥20 years. The Tregs of patients with HA20 tended to increase in tandem with age-matched controls at all ages. In addition, patients ≥20 years had increased DNTs compared with controls, whereas TFHs significantly increased in younger patients. In HA20 patients, the increase in DNTs and TFHs may contribute to the development of autoimmune diseases. BACKGROUND While smoking continues to be the most preventable cause of mortality in the United States, most current smokers remain not ready to quit at any given time. Engaging these 'motivation phase' smokers with brief experiences to build confidence and practice skills related to cessation could lead to sooner and more successful quit attempts. Increasingly available mobile technology and gamification can be used to provide smokers with accessible and engaging support. METHODS We describe our protocol for conducting a randomized controlled trial evaluating Take a Break, an mHealth-based smoking pre-cessation challenge designed for smokers not ready to quit. Participants in the intervention receive 1) Motivational Messages, 2) text message Challenge Quizzes, 3) Goal-setting with tobacco treatment specialist, 4) Coping Mini-Games apps, and 5) Recognition and Rewards for participation during a 3-week challenge. Access to coping mini-games and motivational messaging continues for 6-months. Both intervention and comparison group participants receive brief Nicotine Replacement Therapy (NRT) sampling and daily smoking assessment text messages for three weeks.0 Commenti 0 condivisioni 3 Views 0 Anteprima -
0%. AATP terminated 189 of 259 VTs (73%) with the same acceleration rate. The 2 dominant ATP failure mechanisms were identified as (1) insufficient prematurity to close the excitable gap; and (2) failure to reach the critical isthmus of the VT. AATP reduced failures in these categories from 101 to 63 (44% reduction) without increasing acceleration. Conclusion AATP successfully adapted ATP sequences to terminate VT episodes that burst ATP failed to terminate. AATP was successful, with complex scar geometries and EP heterogeneity as seen in the real world.Background Virtual visits (VVs) are a modality for delivering health care services remotely through videoconferencing tools. Data about patient and physician experience in using VVs are limited. Objective Assess patient and physician experience with the use of VVs in cardiac electrophysiology. https://www.selleckchem.com/products/ly-345899.html Methods We performed a prospective survey of Cardiac Electrophysiology patients and physicians who participated in an outpatient VV from December 2018 to July 2019. Result One-hundred consecutive VVs were included. Sixty-four patients elected to complete a survey. Patients rated their experience as either excellent/very good in scheduling a VV (87%), seeing their physician of choice (100%), transmitting arrhythmia data (88%), rating their physician's ability to communicate (98%), asking all questions (98%), rating the level of care received (98%), paying for the cost of a VV (67%), and rating their overall level of satisfaction (98%). Thirty-eight of 64 (59.4%) of patients preferred a VV for their next visit, 12/64 (18.8%) preferred an in office visit, 13/64 (20.3%) responded that their decision for a virtual or office visit depended on indication, 1/64 (1.6%) had no preference. A total of 14 cardiac electrophysiologists participated in 100 VVs. Nine visits were not included due to technical difficulty. Physician responses to survey questions were rated as excellent/very good in the ability to communicate (92%), accessing monitoring data (95%), and overall level of satisfaction (98%). Conclusion In our small study population, a majority of patients and physicians prefer VVs. Convenience, cost, and reason for follow-up were important determinants that affected both patient and physician preference.Background Limited attention has been paid to the long-term physical health consequences experienced by CSA survivors. Research has found that CSA is often associated with increased health burden in adulthood. However, research in this area is plagued by a range of methodological difficulties, rendering it difficult to draw conclusions regarding the health status of CSA survivors. Objective This research sought to investigate associations between child sexual abuse (CSA) victimisation and rates of subsequent healthcare utilisation. Method The forensic medical records of 2759 cases of CSA between 1964 and 1995 were linked to commonwealth Australian medical data recorded between 2010 and 2015. Differences in rates of health service utilisation during this five-year period were compared between CSA victims and a age and gender matched comparison cohort without known abuse history. Findings CSA was associated with increased levels of attendance at health professionals (OR = 1.51, p less then .001) for medical care and for consultations related to dental (OR = 1.28, p less then .001) and chronic disease (OR = 1.23, p less then .001). CSA was associated with lower mean rates of attendance at gynaecologists. Gender and age at abuse significantly influenced the relationship between CSA and frequency of health service utilisation. Conclusions Experiencing CSA was associated with increases in rates of contact with health professionals. Abused females and victims abused after 12 years of age demonstrated the greatest elevations in rates of service utilisation. These findings have significance for both researchers in this field, and medical practitioners providing primary care.Background The Social Information Processing model (SIP; Milner, 1993, 2000, 2003) suggests that emotion dysregulation can be a moderating factor in Child Abuse Potential (CAP), influencing the processes of perception, interpretation and attribution of child's behavior. Objective This study aimed to evaluate comprehensively emotion dysregulation in CAP and to examine gender differences between fathers and mother at risk. Participants and setting Participants were 186 mothers and 110 fathers of Italian pupils, aged 6-14 years (M = 9.3; SD = 1.9). Methods We analyzed emotion dysregulation in terms of specific dimensions (non-acceptance of emotional responses; difficulty in distracting and performing alternative behaviors; lack of confidence in the emotional regulation skills; difficulties controlling impulsive behaviors when distressed; difficulties recognizing emotion; and lack of emotional awareness) and, through correlation and regression analyses, we tested the gender differences. Results Overall, parents at risk showed several difficulties in the regulation, from emotional awareness/recognition to impulse control through effective coping strategies. In particular, lack of emotional awareness (β = .20, p = .026) was a specific deficit of fathers at risk, whereas non-acceptance of emotional responses (β = .30, p = .001) and difficulties controlling impulsive behaviors (when distressed) (β = .35, p = .001) of mothers at risk. Conclusions Findings confirmed the significant role of emotional dysregulation in CAP with different profiles for fathers and mothers. Clinical implications were discussed.Subjectively, we experience a stable representation of the outside world across saccades. Although previous studies have reported that presaccadically acquired visual information influences postsaccadic perception, whether such information's priority to access visual awareness is either reset by each saccade or continuous across saccades remains unclear. To investigate this issue, we combined a breaking continuous flash suppression (b-CFS) with a saccade task. Before each saccade, a grating was presented in the peripheral visual field under suppression. After the saccade, the same grating was again presented under suppression at either the retinotopically matched, the spatiotopically matched, or a control location. By measuring the duration of the grating to break through CFS into awareness after a saccade, we could compare the breakthrough times across stimuli presented at the different locations. No difference in the reaction times between the spatiotopic and control location was observed, indicating that a saccade resets the buildup of an object's priority to access visual awareness.
0%. AATP terminated 189 of 259 VTs (73%) with the same acceleration rate. The 2 dominant ATP failure mechanisms were identified as (1) insufficient prematurity to close the excitable gap; and (2) failure to reach the critical isthmus of the VT. AATP reduced failures in these categories from 101 to 63 (44% reduction) without increasing acceleration. Conclusion AATP successfully adapted ATP sequences to terminate VT episodes that burst ATP failed to terminate. AATP was successful, with complex scar geometries and EP heterogeneity as seen in the real world.Background Virtual visits (VVs) are a modality for delivering health care services remotely through videoconferencing tools. Data about patient and physician experience in using VVs are limited. Objective Assess patient and physician experience with the use of VVs in cardiac electrophysiology. https://www.selleckchem.com/products/ly-345899.html Methods We performed a prospective survey of Cardiac Electrophysiology patients and physicians who participated in an outpatient VV from December 2018 to July 2019. Result One-hundred consecutive VVs were included. Sixty-four patients elected to complete a survey. Patients rated their experience as either excellent/very good in scheduling a VV (87%), seeing their physician of choice (100%), transmitting arrhythmia data (88%), rating their physician's ability to communicate (98%), asking all questions (98%), rating the level of care received (98%), paying for the cost of a VV (67%), and rating their overall level of satisfaction (98%). Thirty-eight of 64 (59.4%) of patients preferred a VV for their next visit, 12/64 (18.8%) preferred an in office visit, 13/64 (20.3%) responded that their decision for a virtual or office visit depended on indication, 1/64 (1.6%) had no preference. A total of 14 cardiac electrophysiologists participated in 100 VVs. Nine visits were not included due to technical difficulty. Physician responses to survey questions were rated as excellent/very good in the ability to communicate (92%), accessing monitoring data (95%), and overall level of satisfaction (98%). Conclusion In our small study population, a majority of patients and physicians prefer VVs. Convenience, cost, and reason for follow-up were important determinants that affected both patient and physician preference.Background Limited attention has been paid to the long-term physical health consequences experienced by CSA survivors. Research has found that CSA is often associated with increased health burden in adulthood. However, research in this area is plagued by a range of methodological difficulties, rendering it difficult to draw conclusions regarding the health status of CSA survivors. Objective This research sought to investigate associations between child sexual abuse (CSA) victimisation and rates of subsequent healthcare utilisation. Method The forensic medical records of 2759 cases of CSA between 1964 and 1995 were linked to commonwealth Australian medical data recorded between 2010 and 2015. Differences in rates of health service utilisation during this five-year period were compared between CSA victims and a age and gender matched comparison cohort without known abuse history. Findings CSA was associated with increased levels of attendance at health professionals (OR = 1.51, p less then .001) for medical care and for consultations related to dental (OR = 1.28, p less then .001) and chronic disease (OR = 1.23, p less then .001). CSA was associated with lower mean rates of attendance at gynaecologists. Gender and age at abuse significantly influenced the relationship between CSA and frequency of health service utilisation. Conclusions Experiencing CSA was associated with increases in rates of contact with health professionals. Abused females and victims abused after 12 years of age demonstrated the greatest elevations in rates of service utilisation. These findings have significance for both researchers in this field, and medical practitioners providing primary care.Background The Social Information Processing model (SIP; Milner, 1993, 2000, 2003) suggests that emotion dysregulation can be a moderating factor in Child Abuse Potential (CAP), influencing the processes of perception, interpretation and attribution of child's behavior. Objective This study aimed to evaluate comprehensively emotion dysregulation in CAP and to examine gender differences between fathers and mother at risk. Participants and setting Participants were 186 mothers and 110 fathers of Italian pupils, aged 6-14 years (M = 9.3; SD = 1.9). Methods We analyzed emotion dysregulation in terms of specific dimensions (non-acceptance of emotional responses; difficulty in distracting and performing alternative behaviors; lack of confidence in the emotional regulation skills; difficulties controlling impulsive behaviors when distressed; difficulties recognizing emotion; and lack of emotional awareness) and, through correlation and regression analyses, we tested the gender differences. Results Overall, parents at risk showed several difficulties in the regulation, from emotional awareness/recognition to impulse control through effective coping strategies. In particular, lack of emotional awareness (β = .20, p = .026) was a specific deficit of fathers at risk, whereas non-acceptance of emotional responses (β = .30, p = .001) and difficulties controlling impulsive behaviors (when distressed) (β = .35, p = .001) of mothers at risk. Conclusions Findings confirmed the significant role of emotional dysregulation in CAP with different profiles for fathers and mothers. Clinical implications were discussed.Subjectively, we experience a stable representation of the outside world across saccades. Although previous studies have reported that presaccadically acquired visual information influences postsaccadic perception, whether such information's priority to access visual awareness is either reset by each saccade or continuous across saccades remains unclear. To investigate this issue, we combined a breaking continuous flash suppression (b-CFS) with a saccade task. Before each saccade, a grating was presented in the peripheral visual field under suppression. After the saccade, the same grating was again presented under suppression at either the retinotopically matched, the spatiotopically matched, or a control location. By measuring the duration of the grating to break through CFS into awareness after a saccade, we could compare the breakthrough times across stimuli presented at the different locations. No difference in the reaction times between the spatiotopic and control location was observed, indicating that a saccade resets the buildup of an object's priority to access visual awareness.0 Commenti 0 condivisioni 3 Views 0 Anteprima -
Human mesenchymal stem cells (****), a promising source of stem cells for regenerative medicine, have different morphological and functional characteristics. Carbohydrate moieties on the cell surface play an important role, including cell-cell interaction and cell recognition. The objective of this study was to determine possible differences in glycoconjugate distribution patterns of **** derived from various sources. **** were isolated from adipose tissue, bone marrow, Wharton's jelly, and cord blood. Then, they were stained with FITC-conjugated wheat germ agglutinin (WGA), peanut agglutinin (PNA), concanavalin A (ConA), Ulex europaeus (UEA), Dolichos biflorus (DBA), and Atto-488 conjugated Phytolacca americana (PWM) lectins. The intensity of the reactions was scored using ImageJ software. Flow cytometry was performed to detect the expression of the endothelial marker CD144. https://www.selleckchem.com/products/VX-770.html The obtained data were analyzed by ANOVA and LSD. Cord blood-derived **** showed the most significant staining intensities with all lectins. All **** were also moderately stained with PNA. Bone marrow-derived **** failed to react with UEA, DBA, and ConA. Wharton's jelly-derived **** could also not be stained with ConA. Cord blood-derived **** contained 2 subpopulations osteoclast- and fibroblast-like cells. Both lectin staining intensity and distribution pattern were different in these 2 cell types; therefore, the central part of osteoclast-like cells stained more intensive with PNA and PWM, while that part in fibroblast-like cells stained more intensive with ConA. None of them expressed CD144. The glycoconjugate content of **** derived from various sources is different.Physician-industry interactions are prevalent. Accurate reporting allows for transparency regarding potential conflicts of interest. We sought to compare the self-reported interactions in the American Academy of Dermatology (***) Annual Meeting disclosures with the industry-reported interactions in the Open Payments (OP) database. We performed a retrospective review of the 2014 OP database and the presenter disclosures for the *** 73rd Annual Meeting in 2015. We examined general, research, and associated research payments for 768 dermatologists, totaling $35,627,365 in 2014. Although differences in the categorization and requirements for disclosure between the *** and the OP database may account for **** of the discordance, dermatologists should be aware of potentially negative public perceptions regarding transparency and prevalence of physician-industry interaction. Dermatologists should review their industry-reported interactions listed in the OP database and continue to disclose conflicts of interest as accurately as possible.In spectral computed tomography (CT), the object is respectively scanned under different X-ray spectrum. Multiple projection data can be collectively used for reconstructing basis images and virtual monochromatic images, which have been used in material decomposition, beam-hardening correction, bone removal, and so on. In practice, projection data may be obtained in limited scanning angular range. Images reconstructed from limited-angle data by conventional spectral CT reconstruction methods will be deteriorated by limited-angle related artifacts and basis image decomposition errors. Motivated by observations of limited-angle spectral CT, we propose a sequential regularization based limited-angle spectral CT reconstruction model and its numerical solver. Both simulated and real data experiments validate that our method is capable of suppressing artifacts, preserving edges and reducing decomposition errors.Carbon nanobelts are cylindrical molecules composed of fully fused edge-sharing arene rings. Because of their aesthetically appealing structures, they acquire unusual optoelectronic properties that are potentially suitable for a range of applications in nanoelectronics and photonics. Nevertheless, the very limited success of their synthesis has led to their photophysical properties remaining largely unknown. Compared to that of carbon nanorings (arenes linked by single bonds), the strong structural rigidity of nanobelts prevents significant deformations away from the original high-symmetry conformation and, therefore, impacts their photophysical properties. Herein, we study the photoinduced dynamics of a successfully synthesized belt segment of (6,6)CNT (carbon nanotube). Modeling this process with nonadiabatic excited state molecular dynamics simulations uncovers the critical role played by the changes in excited state wave function localization on the different types of carbon atoms. This allows a detailed description of the excited state dynamics and spatial exciton evolution throughout the nanobelt scaffold. Our results provide detailed information about the excited state electronic properties and internal conversion rates that is potentially useful for designing nanobelts for nanoelectronic and photonic applications.Urinary tract infections (UTI) are one of the leading causes of infections in the United States. By the age of 18 years or older, at least 10% of females would have been diagnosed with a UTI. By the age of 24 years, 1 in 3 females would be treated for a UTI. UTIs are one of the most common nosocomial infections, accounting for 35% to 40% of all hospital-acquired infections. One of the most common nosocomial infections is catheter-associated UTI (CAUTI), each year, accounting for over 1 million cases in hospital and nursing home patients. A urine culture is the gold standard test for revealing the causative microorganism for a UTI. Sterile technique is often the standard in which all collection methods are compared. Owing to patient discomfort and clinical setting standards, sterile collection procedures are often forgone for self-collection techniques where the patient is in control of their sample. Special consideration is worthy of discussion, as the risk of contamination is maximized, and operator error may result in inconsistent urine collections, especially during the preanalytic phase of urine culture. Given this apparent and immediate issue with the integrity of the urine culture and the risk of overdiagnosis, antibiotic stewardship must be maintained in order to safeguard the patient. Furthermore, the risk of antibiotic resistance is always central in order to recognize how healthcare providers practice antibiotic stewardship, where overdiagnosis is eliminated, and proper antibiotic selection is achieved. The proper utilization of the urine culture ameliorates these concerns and helps combat this very common nosocomial infection.
Human mesenchymal stem cells (MSCs), a promising source of stem cells for regenerative medicine, have different morphological and functional characteristics. Carbohydrate moieties on the cell surface play an important role, including cell-cell interaction and cell recognition. The objective of this study was to determine possible differences in glycoconjugate distribution patterns of MSCs derived from various sources. MSCs were isolated from adipose tissue, bone marrow, Wharton's jelly, and cord blood. Then, they were stained with FITC-conjugated wheat germ agglutinin (WGA), peanut agglutinin (PNA), concanavalin A (ConA), Ulex europaeus (UEA), Dolichos biflorus (DBA), and Atto-488 conjugated Phytolacca americana (PWM) lectins. The intensity of the reactions was scored using ImageJ software. Flow cytometry was performed to detect the expression of the endothelial marker CD144. https://www.selleckchem.com/products/VX-770.html The obtained data were analyzed by ANOVA and LSD. Cord blood-derived MSCs showed the most significant staining intensities with all lectins. All MSCs were also moderately stained with PNA. Bone marrow-derived MSCs failed to react with UEA, DBA, and ConA. Wharton's jelly-derived MSCs could also not be stained with ConA. Cord blood-derived MSCs contained 2 subpopulations osteoclast- and fibroblast-like cells. Both lectin staining intensity and distribution pattern were different in these 2 cell types; therefore, the central part of osteoclast-like cells stained more intensive with PNA and PWM, while that part in fibroblast-like cells stained more intensive with ConA. None of them expressed CD144. The glycoconjugate content of MSCs derived from various sources is different.Physician-industry interactions are prevalent. Accurate reporting allows for transparency regarding potential conflicts of interest. We sought to compare the self-reported interactions in the American Academy of Dermatology (AAD) Annual Meeting disclosures with the industry-reported interactions in the Open Payments (OP) database. We performed a retrospective review of the 2014 OP database and the presenter disclosures for the AAD 73rd Annual Meeting in 2015. We examined general, research, and associated research payments for 768 dermatologists, totaling $35,627,365 in 2014. Although differences in the categorization and requirements for disclosure between the AAD and the OP database may account for much of the discordance, dermatologists should be aware of potentially negative public perceptions regarding transparency and prevalence of physician-industry interaction. Dermatologists should review their industry-reported interactions listed in the OP database and continue to disclose conflicts of interest as accurately as possible.In spectral computed tomography (CT), the object is respectively scanned under different X-ray spectrum. Multiple projection data can be collectively used for reconstructing basis images and virtual monochromatic images, which have been used in material decomposition, beam-hardening correction, bone removal, and so on. In practice, projection data may be obtained in limited scanning angular range. Images reconstructed from limited-angle data by conventional spectral CT reconstruction methods will be deteriorated by limited-angle related artifacts and basis image decomposition errors. Motivated by observations of limited-angle spectral CT, we propose a sequential regularization based limited-angle spectral CT reconstruction model and its numerical solver. Both simulated and real data experiments validate that our method is capable of suppressing artifacts, preserving edges and reducing decomposition errors.Carbon nanobelts are cylindrical molecules composed of fully fused edge-sharing arene rings. Because of their aesthetically appealing structures, they acquire unusual optoelectronic properties that are potentially suitable for a range of applications in nanoelectronics and photonics. Nevertheless, the very limited success of their synthesis has led to their photophysical properties remaining largely unknown. Compared to that of carbon nanorings (arenes linked by single bonds), the strong structural rigidity of nanobelts prevents significant deformations away from the original high-symmetry conformation and, therefore, impacts their photophysical properties. Herein, we study the photoinduced dynamics of a successfully synthesized belt segment of (6,6)CNT (carbon nanotube). Modeling this process with nonadiabatic excited state molecular dynamics simulations uncovers the critical role played by the changes in excited state wave function localization on the different types of carbon atoms. This allows a detailed description of the excited state dynamics and spatial exciton evolution throughout the nanobelt scaffold. Our results provide detailed information about the excited state electronic properties and internal conversion rates that is potentially useful for designing nanobelts for nanoelectronic and photonic applications.Urinary tract infections (UTI) are one of the leading causes of infections in the United States. By the age of 18 years or older, at least 10% of females would have been diagnosed with a UTI. By the age of 24 years, 1 in 3 females would be treated for a UTI. UTIs are one of the most common nosocomial infections, accounting for 35% to 40% of all hospital-acquired infections. One of the most common nosocomial infections is catheter-associated UTI (CAUTI), each year, accounting for over 1 million cases in hospital and nursing home patients. A urine culture is the gold standard test for revealing the causative microorganism for a UTI. Sterile technique is often the standard in which all collection methods are compared. Owing to patient discomfort and clinical setting standards, sterile collection procedures are often forgone for self-collection techniques where the patient is in control of their sample. Special consideration is worthy of discussion, as the risk of contamination is maximized, and operator error may result in inconsistent urine collections, especially during the preanalytic phase of urine culture. Given this apparent and immediate issue with the integrity of the urine culture and the risk of overdiagnosis, antibiotic stewardship must be maintained in order to safeguard the patient. Furthermore, the risk of antibiotic resistance is always central in order to recognize how healthcare providers practice antibiotic stewardship, where overdiagnosis is eliminated, and proper antibiotic selection is achieved. The proper utilization of the urine culture ameliorates these concerns and helps combat this very common nosocomial infection.0 Commenti 0 condivisioni 8 Views 0 Anteprima -
Researchers must not only explore short-term variation in constructs of interest, but also explore how these shorter-term fluctuations contribute to longer-term changes. https://www.selleckchem.com/products/n-nitroso-n-methylurea.html The confluence of DS, contextual influences, and multiple timescales provides an important set of tools to better understand development.Study question Does women's age affect the DNA methylation (DNAm) profile differently in mural granulosa cells (****) from other somatic cells? Summary answer Accumulation of epimutations by age and a higher number of age-related differentially methylated regions (DMR) in **** were found compared to leukocytes from the same woman, suggesting that the **** have a distinctive epigenetic profile. What is known already The mechanisms underlying the decline in women's fertility from the mid-30s remain to be fully elucidated. The DNAm age of many healthy tissues changes predictably with and follows chronological age, but DNAm age in some reproductive tissues has been shown to depart from chronological age (older endometrium; younger cumulus cells, spermatozoa). Study design, size, duration This study is a multicenter cohort study based on retrospective analysis of prospectively collected data and material derived from healthy women undergoing IVF or ICSI treatment following ovarian stimulation with antagonist proto findings Our findings underline that the somatic compartment of the follicle follows a different methylation trajectory with age than other somatic cells. The higher number of epimutations and age-DMRs in **** suggest that their function is affected by age. Study funding/competing interest(s) This project is part of ReproUnion collaborative study, co-financed by the European Union, Interreg V ÖKS, the Danish National Research Foundation and the European Research Council. The authors declare no conflict of interest.Objective Necrotizing pneumonia (NP) is recently recognized as a complication of pneumonia. The data on NP are scant from developing world and we aimed to describe the characteristic features of NP in our children. Study design Single center retrospective cohort analysis. Patient selection Institutional database of children treated for pneumonia between September 2014 and May 2018 was searched to identify children with NP. Methods The demographic characteristics, laboratory results, and clinical information were recorded for patients selected as NP and analyzed. Results In total, 10 patients (3.7%) of NP were identified out of 272 patients with pneumonia. Median age was 3 years (range 3 months to 12years). All cases had severe respiratory distress and 70% required mechanical ventilation and inotropic support. The causative pathogens were identified in 6/10 children (60%) with Staphylococcus aureus being most common (4/10). Pleural effusion and pneumothorax were seen in six cases. Four cases had bilateral pleural effusion and three had bilateral pneumothorax. Intercostal drainage (ICD) was placed in 70% and bilateral ICD was placed in 40% cases. Bronchopleural fistula (BPF) developed in two cases and one had bilateral BPF. Median [inter quartile range] ICD days and hospital stay were 9 (6-14) and 13.5 (7.5-18.5) days, respectively. Mean (±SD) total antibiotic (in hospital plus outpatient) days were 28.8 ± 9.6 days. Four cases had airway hemorrhage and in three cases this was massive and fatal. Conclusion NP is a relatively rare but severe complication of pneumonia distinct from pediatric acute respiratory distress, pleural effusion and empyema. Airway hemorrhage is the most fatal complication.Background Links between air pollution and asthma are less well established for older adults than some younger groups. Nitrogen dioxide (NO2) concentrations are widely used as an indicator of transport-related air pollution, and some literature suggests NO2 may directly affect asthma. Methods This study used data on 8162 adults >50 years old in the Republic of Ireland to model associations between estimated annual outdoor concentration of NO2 and the probability of having asthma. Individual-level geo-coded survey data from The Irish Longitudinal Study on Ageing (TILDA) were linked to model-based estimates of annual average NO2 at 50 m resolution. Asthma was identified using two methods self-reported diagnoses and respondents' use of medications related to obstructive airway diseases. Logistic regressions were used to model the relationships. Results NO2 concentrations were positively associated with the probability of asthma [marginal effect (ME) per 1 ppb of airborne NO2 = 0.24 percentage points asthma self-report, 95% confidence interval (CI) 0.06-0.42, mean asthma prevalence 0.09; for use of relevant medications ME = 0.21 percentage points, 95% CI 0.049-0.37, mean prevalence 0.069]. Results were robust to varying model specification and time period. Respondents in the top fifth percentile of NO2 exposure had a larger effect size but also greater standard error (ME = 2.4 percentage points asthma self-report, 95% CI -0. 49 to 5.3). Conclusions Associations between local air pollution and asthma among older adults were found at relatively low concentrations. To illustrate this, the marginal effect of an increase in annual average NO2 concentration from sample minimum to median (2.5 ppb) represented about 7-8% of the sample average prevalence of asthma.Background and objectives Nursing homes (NHs) are serving greater proportions of residents with serious mental illness (SMI), and it is unclear whether this affects NH quality. We analyze the highest and lowest quartiles of NHs based on the proportion of residents with SMI and compare these NHs on facility characteristics, staffing, and quality stars. Research design and methods National Certification and Survey Provider Enhanced Reports data were merged with NH Compare data for all freestanding certified NHs in the continental United States in 2016 (N = 14,460). NHs were categorized into "low-SMI" and "high-SMI" facilities using the lowest and highest quartiles, respectively, of the proportion of residents in the NH with SMI. Bivariate analyses and logistic models were used to examine differences in organizational structure, payer mix, resident characteristics, and staffing levels associated with high-SMI NHs. Linear models examined differences in quality stars. Results High-SMI facilities were found to report lower direct-care staffing hours, have a greater Medicaid-paying resident census, were more likely to be for-profit, and scored lower on all NH Compare star ratings in comparison to all other NHs.
Researchers must not only explore short-term variation in constructs of interest, but also explore how these shorter-term fluctuations contribute to longer-term changes. https://www.selleckchem.com/products/n-nitroso-n-methylurea.html The confluence of DS, contextual influences, and multiple timescales provides an important set of tools to better understand development.Study question Does women's age affect the DNA methylation (DNAm) profile differently in mural granulosa cells (MGCs) from other somatic cells? Summary answer Accumulation of epimutations by age and a higher number of age-related differentially methylated regions (DMR) in MGCs were found compared to leukocytes from the same woman, suggesting that the MGCs have a distinctive epigenetic profile. What is known already The mechanisms underlying the decline in women's fertility from the mid-30s remain to be fully elucidated. The DNAm age of many healthy tissues changes predictably with and follows chronological age, but DNAm age in some reproductive tissues has been shown to depart from chronological age (older endometrium; younger cumulus cells, spermatozoa). Study design, size, duration This study is a multicenter cohort study based on retrospective analysis of prospectively collected data and material derived from healthy women undergoing IVF or ICSI treatment following ovarian stimulation with antagonist proto findings Our findings underline that the somatic compartment of the follicle follows a different methylation trajectory with age than other somatic cells. The higher number of epimutations and age-DMRs in MGCs suggest that their function is affected by age. Study funding/competing interest(s) This project is part of ReproUnion collaborative study, co-financed by the European Union, Interreg V ÖKS, the Danish National Research Foundation and the European Research Council. The authors declare no conflict of interest.Objective Necrotizing pneumonia (NP) is recently recognized as a complication of pneumonia. The data on NP are scant from developing world and we aimed to describe the characteristic features of NP in our children. Study design Single center retrospective cohort analysis. Patient selection Institutional database of children treated for pneumonia between September 2014 and May 2018 was searched to identify children with NP. Methods The demographic characteristics, laboratory results, and clinical information were recorded for patients selected as NP and analyzed. Results In total, 10 patients (3.7%) of NP were identified out of 272 patients with pneumonia. Median age was 3 years (range 3 months to 12years). All cases had severe respiratory distress and 70% required mechanical ventilation and inotropic support. The causative pathogens were identified in 6/10 children (60%) with Staphylococcus aureus being most common (4/10). Pleural effusion and pneumothorax were seen in six cases. Four cases had bilateral pleural effusion and three had bilateral pneumothorax. Intercostal drainage (ICD) was placed in 70% and bilateral ICD was placed in 40% cases. Bronchopleural fistula (BPF) developed in two cases and one had bilateral BPF. Median [inter quartile range] ICD days and hospital stay were 9 (6-14) and 13.5 (7.5-18.5) days, respectively. Mean (±SD) total antibiotic (in hospital plus outpatient) days were 28.8 ± 9.6 days. Four cases had airway hemorrhage and in three cases this was massive and fatal. Conclusion NP is a relatively rare but severe complication of pneumonia distinct from pediatric acute respiratory distress, pleural effusion and empyema. Airway hemorrhage is the most fatal complication.Background Links between air pollution and asthma are less well established for older adults than some younger groups. Nitrogen dioxide (NO2) concentrations are widely used as an indicator of transport-related air pollution, and some literature suggests NO2 may directly affect asthma. Methods This study used data on 8162 adults >50 years old in the Republic of Ireland to model associations between estimated annual outdoor concentration of NO2 and the probability of having asthma. Individual-level geo-coded survey data from The Irish Longitudinal Study on Ageing (TILDA) were linked to model-based estimates of annual average NO2 at 50 m resolution. Asthma was identified using two methods self-reported diagnoses and respondents' use of medications related to obstructive airway diseases. Logistic regressions were used to model the relationships. Results NO2 concentrations were positively associated with the probability of asthma [marginal effect (ME) per 1 ppb of airborne NO2 = 0.24 percentage points asthma self-report, 95% confidence interval (CI) 0.06-0.42, mean asthma prevalence 0.09; for use of relevant medications ME = 0.21 percentage points, 95% CI 0.049-0.37, mean prevalence 0.069]. Results were robust to varying model specification and time period. Respondents in the top fifth percentile of NO2 exposure had a larger effect size but also greater standard error (ME = 2.4 percentage points asthma self-report, 95% CI -0. 49 to 5.3). Conclusions Associations between local air pollution and asthma among older adults were found at relatively low concentrations. To illustrate this, the marginal effect of an increase in annual average NO2 concentration from sample minimum to median (2.5 ppb) represented about 7-8% of the sample average prevalence of asthma.Background and objectives Nursing homes (NHs) are serving greater proportions of residents with serious mental illness (SMI), and it is unclear whether this affects NH quality. We analyze the highest and lowest quartiles of NHs based on the proportion of residents with SMI and compare these NHs on facility characteristics, staffing, and quality stars. Research design and methods National Certification and Survey Provider Enhanced Reports data were merged with NH Compare data for all freestanding certified NHs in the continental United States in 2016 (N = 14,460). NHs were categorized into "low-SMI" and "high-SMI" facilities using the lowest and highest quartiles, respectively, of the proportion of residents in the NH with SMI. Bivariate analyses and logistic models were used to examine differences in organizational structure, payer mix, resident characteristics, and staffing levels associated with high-SMI NHs. Linear models examined differences in quality stars. Results High-SMI facilities were found to report lower direct-care staffing hours, have a greater Medicaid-paying resident census, were more likely to be for-profit, and scored lower on all NH Compare star ratings in comparison to all other NHs.0 Commenti 0 condivisioni 10 Views 0 Anteprima
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