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  • The sensitivity, specificity, positive and negative predictive values of IONM were 50.0%, 94.9% 16.7% and 98.9%, respectively. CONCLUSIONS The failure rate of IONM in remote access thyroidectomy is relatively high and following the standard IONM procedure is also relatively difficult. However, IONM is more helpful in confirming the recurrent laryngeal nerve (RLN) and predicting that it is functional in the limited working space available than it is in conventional thyroid surgery. OBJECTIVES To investigate to which extent disability, psychological and pain-related factors are associated with the outcomes of an isometric trunk muscle strength test and a cardiopulmonary exercise test in persons with chronic nonspecific low **** pain (CNSLBP). DESIGN Cross-sectional study. SETTING REVAL Rehabilitation Research Center (Hasselt, Belgium). PARTICIPANTS Persons with CNSLBP. MAIN OUTCOME MEASURES Questionnaires concerning disability, patient specific functioning, kinesiophobia, perceived stress, pain intensity, and central sensitization were recorded. Outcomes of an isometric trunk strength test (maximum **** and abdominal torque) and cardiopulmonary exercise test (VO2max) were assessed. https://www.selleckchem.com/products/gsk3326595-epz015938.html Multivariate linear regression models determined factors explaining outcome variance. RESULTS Data of 101 persons (39 males, mean age 44.2y (SD = 9.6)) was assessed. Neither disability, nor psychological, nor pain-related factors were associated with the assessments. Variance in **** muscle strength (R2 = 0.44, F = p  less then  0.01), abdominal muscle strength (R2 = 0.68, F = p  less then  0.01), and aerobic capacity (R2 = 0.76, F = p  less then  0.01) could only be explained through the included demographics covariates (age, gender, weight). CONCLUSION This study highlighted the lack of biopsychosocial factors in explaining variance in outcomes of abdominal and **** strength, and aerobic capacity in persons with CNSLBP with characteristics as depicted in the current sample. This information supports the valid interpretation of the outcomes of these assessments. Urban expansion is considered to be one of the main threats to global biodiversity yet some pollinator groups, particularly bees, can do well in urban areas. Recent studies indicate that both local and landscape-level drivers can influence urban pollinator communities, with local floral resources and the amount of impervious cover in the landscape affecting pollinator abundance, richness and community composition. Urban intensification, chemicals, climate change and increased honey bee colony densities all negatively affect urban pollinators. Maintaining good areas of habitat for pollinators, such as those found in allotments (community gardens) and domestic gardens, and improving management approaches in urban greenspace and highly urbanised areas (e.g. by increasing floral resources and nesting sites) will benefit pollinator conservation. Opportunities for pollinator conservation exist via multiple stakeholders including policymakers, urban residents, urban planners and landscape architects. A turn-on hydrogen sulfide (H2S) fluorescence probe, 4-2-[4-(2,4-dinitrophenoxy)-phenyl]-vinyl-1-methyl-pyridinium iodide (DPPVP), based on the thiolysis reaction of dinitrophenyl ethers (DNP) has been proposed. Pyridinium structure enhanced the water solubility of DPPVP, which could quickly respond to H2S in absolute PBS solution and the fluorescence spectra of DPPVP at 520 nm were turned on by H2S. The spectra results exhibited that DPPVP could sensitively detect H2S with satisfied linear range (0-40 μM) and detection limit (13.4 nM). The high selectivity for H2S against biothiols was attributed to the significant difference in the pKa and the molecular size. Moreover, DPPVP has been successfully used for detecting H2S in vegetable. Fingolimod has been the first approved oral medication in MS for its relapsing remitting type. It is a non-selective sphingosine1-phosphate (S1P) receptor modulator on lymphocytes. Engagement of this receptor blocks the T cells and B cells migration from the lymph nodes into the inflamed central nervous system (CNS) via bloodstream. In spite of this known immunomodulatory mechanism, there are some reports about serious infection following the initiation of fingolimod therapy like herpes types or infections associated to the immunosuppressed situation (cryptococcal meningitis, primary cutaneous cryptococcosis and visceral leishmaniasis). To the best of our knowledge, in contrary to many reports about opportunistic or serious infections with fingolimod, there has been no report on fungal osteomyelitis associated to fingolimod until now. Here, we aimed to describe a woman who developed necrotizing fungal osteomyelitis four years after starting fingolimod, as a disease modifying drug for MS. Genome resequencing was carried out on two varieties of flue-cured tobacco (LY1306 and Qinyan 96), one variety of sun-cured tobacco (Wanmao 3), and one variety of air-cured Maryland tobacco (Wufeng 1), for a comparative analysis of genomic variation across the four varieties. Single nucleotide polymorphisms (SNPs), insertions and deletions (InDels), structural variations (SVs), and copy-number variations (CNVs) were then identified in each tobacco variety. Furthermore, a functional analysis of mutated genes was carried out. Through in-depth comparative analysis of genomes of different tobacco varieties, we identified genome variations in a number of SNPs, InDels, SVs, and CNVs, respectively. Computational analysis to predict the function of mutated genes containing these differential SNPs, InDels, SVs, and CNVs showed that they were mainly involved in different functions, such as carbohydrate metabolism and secondary metabolites biosynthesis. We mainly focused on genes that were involved in the biosynthesis of secondary metabolites and nicotine metabolism. In addition, we identified five simple sequence repeat (SSR)-based markers and verified them by PCR amplification in 10 tobacco varieties. Taken together, our study increases the understanding of genetic differences between tobacco types or varieties and identifies five SSR markers to classify tobacco varieties or types.
    The sensitivity, specificity, positive and negative predictive values of IONM were 50.0%, 94.9% 16.7% and 98.9%, respectively. CONCLUSIONS The failure rate of IONM in remote access thyroidectomy is relatively high and following the standard IONM procedure is also relatively difficult. However, IONM is more helpful in confirming the recurrent laryngeal nerve (RLN) and predicting that it is functional in the limited working space available than it is in conventional thyroid surgery. OBJECTIVES To investigate to which extent disability, psychological and pain-related factors are associated with the outcomes of an isometric trunk muscle strength test and a cardiopulmonary exercise test in persons with chronic nonspecific low back pain (CNSLBP). DESIGN Cross-sectional study. SETTING REVAL Rehabilitation Research Center (Hasselt, Belgium). PARTICIPANTS Persons with CNSLBP. MAIN OUTCOME MEASURES Questionnaires concerning disability, patient specific functioning, kinesiophobia, perceived stress, pain intensity, and central sensitization were recorded. Outcomes of an isometric trunk strength test (maximum back and abdominal torque) and cardiopulmonary exercise test (VO2max) were assessed. https://www.selleckchem.com/products/gsk3326595-epz015938.html Multivariate linear regression models determined factors explaining outcome variance. RESULTS Data of 101 persons (39 males, mean age 44.2y (SD = 9.6)) was assessed. Neither disability, nor psychological, nor pain-related factors were associated with the assessments. Variance in back muscle strength (R2 = 0.44, F = p  less then  0.01), abdominal muscle strength (R2 = 0.68, F = p  less then  0.01), and aerobic capacity (R2 = 0.76, F = p  less then  0.01) could only be explained through the included demographics covariates (age, gender, weight). CONCLUSION This study highlighted the lack of biopsychosocial factors in explaining variance in outcomes of abdominal and back strength, and aerobic capacity in persons with CNSLBP with characteristics as depicted in the current sample. This information supports the valid interpretation of the outcomes of these assessments. Urban expansion is considered to be one of the main threats to global biodiversity yet some pollinator groups, particularly bees, can do well in urban areas. Recent studies indicate that both local and landscape-level drivers can influence urban pollinator communities, with local floral resources and the amount of impervious cover in the landscape affecting pollinator abundance, richness and community composition. Urban intensification, chemicals, climate change and increased honey bee colony densities all negatively affect urban pollinators. Maintaining good areas of habitat for pollinators, such as those found in allotments (community gardens) and domestic gardens, and improving management approaches in urban greenspace and highly urbanised areas (e.g. by increasing floral resources and nesting sites) will benefit pollinator conservation. Opportunities for pollinator conservation exist via multiple stakeholders including policymakers, urban residents, urban planners and landscape architects. A turn-on hydrogen sulfide (H2S) fluorescence probe, 4-2-[4-(2,4-dinitrophenoxy)-phenyl]-vinyl-1-methyl-pyridinium iodide (DPPVP), based on the thiolysis reaction of dinitrophenyl ethers (DNP) has been proposed. Pyridinium structure enhanced the water solubility of DPPVP, which could quickly respond to H2S in absolute PBS solution and the fluorescence spectra of DPPVP at 520 nm were turned on by H2S. The spectra results exhibited that DPPVP could sensitively detect H2S with satisfied linear range (0-40 μM) and detection limit (13.4 nM). The high selectivity for H2S against biothiols was attributed to the significant difference in the pKa and the molecular size. Moreover, DPPVP has been successfully used for detecting H2S in vegetable. Fingolimod has been the first approved oral medication in MS for its relapsing remitting type. It is a non-selective sphingosine1-phosphate (S1P) receptor modulator on lymphocytes. Engagement of this receptor blocks the T cells and B cells migration from the lymph nodes into the inflamed central nervous system (CNS) via bloodstream. In spite of this known immunomodulatory mechanism, there are some reports about serious infection following the initiation of fingolimod therapy like herpes types or infections associated to the immunosuppressed situation (cryptococcal meningitis, primary cutaneous cryptococcosis and visceral leishmaniasis). To the best of our knowledge, in contrary to many reports about opportunistic or serious infections with fingolimod, there has been no report on fungal osteomyelitis associated to fingolimod until now. Here, we aimed to describe a woman who developed necrotizing fungal osteomyelitis four years after starting fingolimod, as a disease modifying drug for MS. Genome resequencing was carried out on two varieties of flue-cured tobacco (LY1306 and Qinyan 96), one variety of sun-cured tobacco (Wanmao 3), and one variety of air-cured Maryland tobacco (Wufeng 1), for a comparative analysis of genomic variation across the four varieties. Single nucleotide polymorphisms (SNPs), insertions and deletions (InDels), structural variations (SVs), and copy-number variations (CNVs) were then identified in each tobacco variety. Furthermore, a functional analysis of mutated genes was carried out. Through in-depth comparative analysis of genomes of different tobacco varieties, we identified genome variations in a number of SNPs, InDels, SVs, and CNVs, respectively. Computational analysis to predict the function of mutated genes containing these differential SNPs, InDels, SVs, and CNVs showed that they were mainly involved in different functions, such as carbohydrate metabolism and secondary metabolites biosynthesis. We mainly focused on genes that were involved in the biosynthesis of secondary metabolites and nicotine metabolism. In addition, we identified five simple sequence repeat (SSR)-based markers and verified them by PCR amplification in 10 tobacco varieties. Taken together, our study increases the understanding of genetic differences between tobacco types or varieties and identifies five SSR markers to classify tobacco varieties or types.
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  • ess of cancer signs/symptoms and risk factors needs to improve to facilitate early presentation and diagnosis in Gaza. Combining the delivery of public campaigns with tailored education to population groups, including the youth, may increase their knowledge and maintain its impact.BACKGROUND Fungal keratitis (FK) has been shown to be a climate-sensitive disease. The differentiation between FK from bacterial keratitis (BK) was difficult. The purpose of this study was to compare the bacteriology and mycology between tropical and subtropical Taiwan and to investigate the independent risk factors for identification of fungi from bacteria. METHODS Two hundred ninety-seven patients with clinical suspected microbial keratitis were prospectively enrolled. A fungal to bacteria rate (FBR), the number of fungi divided by bacteria identified, was determined to estimate the prevalence of fungi and bacteria. Clinical presentation, profiles of microorganisms, and predisposing risk factors were determined. Univariate and multivariate logistic regression analysis were used to investigate the independent risk factors. https://www.selleckchem.com/products/au-15330.html RESULTS A total of 82 fungi and 143 bacteria were laboratory confirmed. The identification rate of fungus was higher in tropical Taiwan (p = 0.010). Among the fungi and bacteria confirmed, the FBR was 0.29 (22.4% vs. 77.6%) in subtropical Taiwan, and 0.70 (41.3% vs. 58.7%) in tropical Taiwan. Samples obtained in tropical area (p = 0.019), ocular trauma (p = 0.019), and plant exposure (p = 0.003) were independent risk factors for identification of fungus from bacteria. The predominant fungus isolated from corneal scraping were Fusarium solani (25%) and Trichosporon faecale (25%) in subtropical Taiwan; in tropical Taiwan was Fusarium spp. (50%). CONCLUSIONS The identification rate of fungus was higher in tropical Taiwan than subtropical Taiwan. Awareness of the local epidemiology is crucial for early diagnosis of fungal keratitis in tropical area.BACKGROUND Vitamin B12 (cobalamin, cbl) deficiency in children is rare and may occurs in exclusively breast fed infants of mothers on vegetarian or vegan diet with lack of appropriate supplementation. The clinical manifestation of vitamin B12 deficiency include neurological disorders, megaloblastic anemia and failure to thrive. Routine and commonly used laboratory tests such as cell blood count (CBC) or serum vitamin B12 level are sufficient for appropriate diagnosis. Typical therapy is based on intramuscular cobalamin injections. Early diagnosis and early onset of treatment are crucial factors for long-term prognosis of patients as the duration of deficiency may be correlated with the development of long lasting changes in the nervous system. The purpose of this article is to present influence of maternal vitamin B12 deficiency as a cause of infant psychomotor retardation. CASE PRESENTATION We report the case of a 7 months old girl whose parents sought medical advice due to pathological somnolence and developmental regression of their daughter with onset approximately 2 months prior to the visit. Following several diagnostic tests it was determined that the infant's symptoms were due to vitamin B12 deficiency which was secondary to the mother's latent Addison-Biermer disease. Apart from neurological symptoms the infant also showed megaloblastic anemia which is typical to cobalamin deficiencies. Intramuscular vitamin B12 supplementation resulted in instant improvement of the patient's general condition and blood morphology. Unfortunately, psychological examination indicated long-term psychomotor retardation due to delayed diagnosis of B12 deficiency. CONCLUSIONS Vitamin B12 levels should be considered during differential diagnosis of neurological symptoms in exclusively breast-fed infants especially if they co-exist with megaloblastic anemia and psychomotor retardation.BACKGROUND Anaplasma phagocytophilum is a Gram-negative obligate intracellular bacterium that replicates in neutrophil granulocytes. It is transmitted by ticks of the Ixodes ricinus complex and causes febrile illness in humans and animals. We used multilocus sequence typing (MLST) and ankA gene-based typing to study the molecular epidemiology of the A. phagocytophilum strains circulating in a German cattle herd over one pasture season. The aim was to investigate whether co-infection with two distinct variants, reinfection with the same and/or superinfection by a different strain occurred during one pasture season. Eight genetic loci were sequenced in 47 PCR-positive samples from 15 animals. RESULTS Five different sequence types (ST) and four ankA alleles were detected in the cattle herd. Three different ST caused clinically overt tick-borne fever in primary infected animals. The concordance between ST and ankA allele was 100%. Therefore, the housekeeping genes used for MLST and the highly variable ankA gene were concatenated to increase resolution. Co-infection could be proven because samples of chronologically close collection dates were included. Co-infecting A. phagocytophilum strains differed by 14 to 18 single nucleotide polymorphisms (SNPs). Most superinfecting variants varied by 14 SNPs from the previous strain and appeared in median after a free interval of 31 days. Thus, it is unlikely that superinfecting strains arose by in-animal evolution. Immunity against re- or superinfection was assumed because the cattle developed clinical signs only during primary infection. CONCLUSIONS The tick-pathogen-vertebrate host interaction is probably **** more complex than previously thought taking into account the frequently occurring events of co-infection, reinfection and superinfection. This complex situation could not be easily simulated in an experimental infection and underlines the value of field studies.BACKGROUND Methyltransferases (MTFs) are broad range of enzymes, which are ubiquitously expressed in diverse organisms ranging from bacteria to animals. MTFs proteins have been associated with various biological/cellular processes including transcriptional regulation, subcellular protein and RNA localization, signal transduction and DNA-damage repair. However, the role of MTFs in immune mechanism during host-parasite interaction has not been addressed yet. RESULTS An open reading frame (764 bp) of methyltransferase-type 12 gene of H. contortus denoted as HcMTF-12, was successfully cloned using reverse transcriptase-polymerase chain reaction (RT-PCR) followed by prokaryotic expression in Escherichia coli BL21 (DE3 strain). The recombinant HcMTF-12 protein (rHcMTF-12) was about 47 kDa along with a fusion vector protein of 18 kDa. Immunoblot results identified the native protein MTF-12 with antibodies produced in rats against rHcMT-12, whereas rHcMTF-12 protein was recognized with sera of goat experimentally infected with H.
    ess of cancer signs/symptoms and risk factors needs to improve to facilitate early presentation and diagnosis in Gaza. Combining the delivery of public campaigns with tailored education to population groups, including the youth, may increase their knowledge and maintain its impact.BACKGROUND Fungal keratitis (FK) has been shown to be a climate-sensitive disease. The differentiation between FK from bacterial keratitis (BK) was difficult. The purpose of this study was to compare the bacteriology and mycology between tropical and subtropical Taiwan and to investigate the independent risk factors for identification of fungi from bacteria. METHODS Two hundred ninety-seven patients with clinical suspected microbial keratitis were prospectively enrolled. A fungal to bacteria rate (FBR), the number of fungi divided by bacteria identified, was determined to estimate the prevalence of fungi and bacteria. Clinical presentation, profiles of microorganisms, and predisposing risk factors were determined. Univariate and multivariate logistic regression analysis were used to investigate the independent risk factors. https://www.selleckchem.com/products/au-15330.html RESULTS A total of 82 fungi and 143 bacteria were laboratory confirmed. The identification rate of fungus was higher in tropical Taiwan (p = 0.010). Among the fungi and bacteria confirmed, the FBR was 0.29 (22.4% vs. 77.6%) in subtropical Taiwan, and 0.70 (41.3% vs. 58.7%) in tropical Taiwan. Samples obtained in tropical area (p = 0.019), ocular trauma (p = 0.019), and plant exposure (p = 0.003) were independent risk factors for identification of fungus from bacteria. The predominant fungus isolated from corneal scraping were Fusarium solani (25%) and Trichosporon faecale (25%) in subtropical Taiwan; in tropical Taiwan was Fusarium spp. (50%). CONCLUSIONS The identification rate of fungus was higher in tropical Taiwan than subtropical Taiwan. Awareness of the local epidemiology is crucial for early diagnosis of fungal keratitis in tropical area.BACKGROUND Vitamin B12 (cobalamin, cbl) deficiency in children is rare and may occurs in exclusively breast fed infants of mothers on vegetarian or vegan diet with lack of appropriate supplementation. The clinical manifestation of vitamin B12 deficiency include neurological disorders, megaloblastic anemia and failure to thrive. Routine and commonly used laboratory tests such as cell blood count (CBC) or serum vitamin B12 level are sufficient for appropriate diagnosis. Typical therapy is based on intramuscular cobalamin injections. Early diagnosis and early onset of treatment are crucial factors for long-term prognosis of patients as the duration of deficiency may be correlated with the development of long lasting changes in the nervous system. The purpose of this article is to present influence of maternal vitamin B12 deficiency as a cause of infant psychomotor retardation. CASE PRESENTATION We report the case of a 7 months old girl whose parents sought medical advice due to pathological somnolence and developmental regression of their daughter with onset approximately 2 months prior to the visit. Following several diagnostic tests it was determined that the infant's symptoms were due to vitamin B12 deficiency which was secondary to the mother's latent Addison-Biermer disease. Apart from neurological symptoms the infant also showed megaloblastic anemia which is typical to cobalamin deficiencies. Intramuscular vitamin B12 supplementation resulted in instant improvement of the patient's general condition and blood morphology. Unfortunately, psychological examination indicated long-term psychomotor retardation due to delayed diagnosis of B12 deficiency. CONCLUSIONS Vitamin B12 levels should be considered during differential diagnosis of neurological symptoms in exclusively breast-fed infants especially if they co-exist with megaloblastic anemia and psychomotor retardation.BACKGROUND Anaplasma phagocytophilum is a Gram-negative obligate intracellular bacterium that replicates in neutrophil granulocytes. It is transmitted by ticks of the Ixodes ricinus complex and causes febrile illness in humans and animals. We used multilocus sequence typing (MLST) and ankA gene-based typing to study the molecular epidemiology of the A. phagocytophilum strains circulating in a German cattle herd over one pasture season. The aim was to investigate whether co-infection with two distinct variants, reinfection with the same and/or superinfection by a different strain occurred during one pasture season. Eight genetic loci were sequenced in 47 PCR-positive samples from 15 animals. RESULTS Five different sequence types (ST) and four ankA alleles were detected in the cattle herd. Three different ST caused clinically overt tick-borne fever in primary infected animals. The concordance between ST and ankA allele was 100%. Therefore, the housekeeping genes used for MLST and the highly variable ankA gene were concatenated to increase resolution. Co-infection could be proven because samples of chronologically close collection dates were included. Co-infecting A. phagocytophilum strains differed by 14 to 18 single nucleotide polymorphisms (SNPs). Most superinfecting variants varied by 14 SNPs from the previous strain and appeared in median after a free interval of 31 days. Thus, it is unlikely that superinfecting strains arose by in-animal evolution. Immunity against re- or superinfection was assumed because the cattle developed clinical signs only during primary infection. CONCLUSIONS The tick-pathogen-vertebrate host interaction is probably much more complex than previously thought taking into account the frequently occurring events of co-infection, reinfection and superinfection. This complex situation could not be easily simulated in an experimental infection and underlines the value of field studies.BACKGROUND Methyltransferases (MTFs) are broad range of enzymes, which are ubiquitously expressed in diverse organisms ranging from bacteria to animals. MTFs proteins have been associated with various biological/cellular processes including transcriptional regulation, subcellular protein and RNA localization, signal transduction and DNA-damage repair. However, the role of MTFs in immune mechanism during host-parasite interaction has not been addressed yet. RESULTS An open reading frame (764 bp) of methyltransferase-type 12 gene of H. contortus denoted as HcMTF-12, was successfully cloned using reverse transcriptase-polymerase chain reaction (RT-PCR) followed by prokaryotic expression in Escherichia coli BL21 (DE3 strain). The recombinant HcMTF-12 protein (rHcMTF-12) was about 47 kDa along with a fusion vector protein of 18 kDa. Immunoblot results identified the native protein MTF-12 with antibodies produced in rats against rHcMT-12, whereas rHcMTF-12 protein was recognized with sera of goat experimentally infected with H.
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  • Examination of drug exposure in different health conditions indicated that the oseltamivir exposure was significantly increased in conditions with elevated cirrhosis severity, which might be associated with a higher risk of adverse drug effects, e.g., neuropsychiatric adverse events (NPAEs). In conclusion, the pharmacokinetics of oseltamivir and OC were correctly predicted by PBPK modeling. The model further predicted that the pharmacokinetics of oseltamivir might be altered in liver cirrhosis, depending on the degree of severity.The current paradigm of type 2 diabetes (T2D) is gluco-centric, being exclusively categorized by glycemic characteristics. The gluco-centric paradigm views hyperglycemia as the primary target, being driven by resistance to insulin combined with progressive beta cells failure, and considers glycemic control its ultimate treatment goal. Most importantly, the gluco-centric paradigm considers the non-glycemic diseases associated with T2D, e.g., obesity, dyslipidemia, hypertension, macrovascular disease, microvascular disease and fatty liver as 'risk factors' and/or 'outcomes' and/or 'comorbidities', rather than primary inherent disease aspects of T2D. That is in spite of their high prevalence (60-90%) and major role in profiling T2D morbidity and mortality. Moreover, the gluco-centric paradigm fails to realize that the non-glycemic diseases of T2D are driven by insulin and, except for glycemic control, response to insulin in T2D is essentially the rule rather than the exception. Failure of the gluco-centric paradigm to offer an exhaustive unifying view of the glycemic and non-glycemic diseases of T2D may have contributed to T2D being still an unmet need. An mTORC1-centric paradigm maintains that hyperactive mTORC1 drives the glycemic and non-glycemic disease aspects of T2D. Hyperactive mTORC1 is proposed to act as double-edged agent, namely, to interfere with glycemic control by disrupting the insulin receptor-Akt transduction pathway, while concomitantly driving the non-glycemic diseases of T2D. The mTORC1-centric paradigm may offer a novel perspective for T2D in terms of pathogenesis, clinical focus and treatment strategy.To evaluate the effects of electrical status epilepticus during sleep (ESES) on cerebral blood flow (CBF) and explore the associated neuro-vascular coupling and neuropsychological deficits. 19 ESES patients were recruited to undergo real-time transcranial doppler ultrasonography (TCD) and video-EEG monitoring (vEEG). Patients were grouped based on their cognitive functions or their EEG patterns. The mean cerebral blood flow velocity (CBFVm) of the unilateral middle cerebral artery was measured using TCD and was used to calculate various relevant parameters. The 19 patients participated in a total of 54 effective TCD-vEEG monitoring sessions. We found a significant effect of clinical severity for the following measurements spike wave index (SWI), peak and average deep sleep stage (N3) CBFVm, peak, average and minimum deep sleep and awake CBFVm, and CBFVm oscillations during deep sleep. Nevertheless, CBFVm oscillations were not related to SWI. Furthermore, CBFVm oscillations revealed a statistically significant difference between the near-ESES and asymmetric-ESES groups. CBFVm oscillations may reflect the neuro-vascular coupling process associated with ESES disfunction. Understanding the relationship between CBFVm oscillations and epileptic activity will be important for assessing the neuropsychological damage associated with ESES and for developing treatment options for this and other diseases.BACKGROUND We aimed at reviewing design and realisation of perfusion/flow phantoms for validating quantitative perfusion imaging (PI) applications to encourage best practices. METHODS A systematic search was performed on the Scopus database for "perfusion", "flow", and "phantom", limited to articles written in English published between January 1999 and December 2018. Information on phantom design, used PI and phantom applications was extracted. RESULTS Of 463 retrieved articles, 397 were rejected after abstract screening and 32 after full-text reading. The 37 accepted articles resulted to address PI simulation in brain (n = 11), myocardial (n = 8), liver (n = 2), tumour (n = 1), finger (n = 1), and non-specific tissue (n = 14), with diverse modalities ultrasound (n = 11), computed tomography (n = 11), magnetic resonance imaging (n = 17), and positron emission tomography (n = 2). https://www.selleckchem.com/products/AZD1480.html Three phantom designs were described basic (n = 6), aligned capillary (n = 22), and tissue-filled (n = 12). Microvasculature and tissue perfusion were combined in one compartment (n = 23) or in two separated compartments (n = 17). With the only exception of one study, inter-compartmental fluid exchange could not be controlled. Nine studies compared phantom results with human or animal perfusion data. Only one commercially available perfusion phantom was identified. CONCLUSION We provided insights into contemporary phantom approaches to PI, which can be used for ground truth evaluation of quantitative PI applications. Investigators are recommended to verify and validate whether assumptions underlying PI phantom modelling are justified for their intended phantom application.One- to two-thirds of new HIV infections among sexual minority men occur within the context of main partnerships. This has led to increasing attention to the rules and boundaries male couples form around sex with outside partners as a mechanism to manage HIV risk. These rules and boundaries have generally been operationalized either as a sexual agreement-the decisions couples make together about their sexual boundaries with outside partners-or a sexual arrangement-how couples handle sex outside the relationship, which may or may not involve an implicit or explicit consensus between partners. The goal of the current study was to examine the correspondence of these two approaches to the operationalization of rules and boundaries. Additionally, the study tested whether agreements and arrangements were differentially associated with dyadic communication and sexual behavior with casual partners. Results indicated a high level of correspondence between assessment methods. Similarly, patterns of sexual behaviors with casual partners were consistent across both sexual agreements and sexual arrangements.
    Examination of drug exposure in different health conditions indicated that the oseltamivir exposure was significantly increased in conditions with elevated cirrhosis severity, which might be associated with a higher risk of adverse drug effects, e.g., neuropsychiatric adverse events (NPAEs). In conclusion, the pharmacokinetics of oseltamivir and OC were correctly predicted by PBPK modeling. The model further predicted that the pharmacokinetics of oseltamivir might be altered in liver cirrhosis, depending on the degree of severity.The current paradigm of type 2 diabetes (T2D) is gluco-centric, being exclusively categorized by glycemic characteristics. The gluco-centric paradigm views hyperglycemia as the primary target, being driven by resistance to insulin combined with progressive beta cells failure, and considers glycemic control its ultimate treatment goal. Most importantly, the gluco-centric paradigm considers the non-glycemic diseases associated with T2D, e.g., obesity, dyslipidemia, hypertension, macrovascular disease, microvascular disease and fatty liver as 'risk factors' and/or 'outcomes' and/or 'comorbidities', rather than primary inherent disease aspects of T2D. That is in spite of their high prevalence (60-90%) and major role in profiling T2D morbidity and mortality. Moreover, the gluco-centric paradigm fails to realize that the non-glycemic diseases of T2D are driven by insulin and, except for glycemic control, response to insulin in T2D is essentially the rule rather than the exception. Failure of the gluco-centric paradigm to offer an exhaustive unifying view of the glycemic and non-glycemic diseases of T2D may have contributed to T2D being still an unmet need. An mTORC1-centric paradigm maintains that hyperactive mTORC1 drives the glycemic and non-glycemic disease aspects of T2D. Hyperactive mTORC1 is proposed to act as double-edged agent, namely, to interfere with glycemic control by disrupting the insulin receptor-Akt transduction pathway, while concomitantly driving the non-glycemic diseases of T2D. The mTORC1-centric paradigm may offer a novel perspective for T2D in terms of pathogenesis, clinical focus and treatment strategy.To evaluate the effects of electrical status epilepticus during sleep (ESES) on cerebral blood flow (CBF) and explore the associated neuro-vascular coupling and neuropsychological deficits. 19 ESES patients were recruited to undergo real-time transcranial doppler ultrasonography (TCD) and video-EEG monitoring (vEEG). Patients were grouped based on their cognitive functions or their EEG patterns. The mean cerebral blood flow velocity (CBFVm) of the unilateral middle cerebral artery was measured using TCD and was used to calculate various relevant parameters. The 19 patients participated in a total of 54 effective TCD-vEEG monitoring sessions. We found a significant effect of clinical severity for the following measurements spike wave index (SWI), peak and average deep sleep stage (N3) CBFVm, peak, average and minimum deep sleep and awake CBFVm, and CBFVm oscillations during deep sleep. Nevertheless, CBFVm oscillations were not related to SWI. Furthermore, CBFVm oscillations revealed a statistically significant difference between the near-ESES and asymmetric-ESES groups. CBFVm oscillations may reflect the neuro-vascular coupling process associated with ESES disfunction. Understanding the relationship between CBFVm oscillations and epileptic activity will be important for assessing the neuropsychological damage associated with ESES and for developing treatment options for this and other diseases.BACKGROUND We aimed at reviewing design and realisation of perfusion/flow phantoms for validating quantitative perfusion imaging (PI) applications to encourage best practices. METHODS A systematic search was performed on the Scopus database for "perfusion", "flow", and "phantom", limited to articles written in English published between January 1999 and December 2018. Information on phantom design, used PI and phantom applications was extracted. RESULTS Of 463 retrieved articles, 397 were rejected after abstract screening and 32 after full-text reading. The 37 accepted articles resulted to address PI simulation in brain (n = 11), myocardial (n = 8), liver (n = 2), tumour (n = 1), finger (n = 1), and non-specific tissue (n = 14), with diverse modalities ultrasound (n = 11), computed tomography (n = 11), magnetic resonance imaging (n = 17), and positron emission tomography (n = 2). https://www.selleckchem.com/products/AZD1480.html Three phantom designs were described basic (n = 6), aligned capillary (n = 22), and tissue-filled (n = 12). Microvasculature and tissue perfusion were combined in one compartment (n = 23) or in two separated compartments (n = 17). With the only exception of one study, inter-compartmental fluid exchange could not be controlled. Nine studies compared phantom results with human or animal perfusion data. Only one commercially available perfusion phantom was identified. CONCLUSION We provided insights into contemporary phantom approaches to PI, which can be used for ground truth evaluation of quantitative PI applications. Investigators are recommended to verify and validate whether assumptions underlying PI phantom modelling are justified for their intended phantom application.One- to two-thirds of new HIV infections among sexual minority men occur within the context of main partnerships. This has led to increasing attention to the rules and boundaries male couples form around sex with outside partners as a mechanism to manage HIV risk. These rules and boundaries have generally been operationalized either as a sexual agreement-the decisions couples make together about their sexual boundaries with outside partners-or a sexual arrangement-how couples handle sex outside the relationship, which may or may not involve an implicit or explicit consensus between partners. The goal of the current study was to examine the correspondence of these two approaches to the operationalization of rules and boundaries. Additionally, the study tested whether agreements and arrangements were differentially associated with dyadic communication and sexual behavior with casual partners. Results indicated a high level of correspondence between assessment methods. Similarly, patterns of sexual behaviors with casual partners were consistent across both sexual agreements and sexual arrangements.
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  • Background Anterior cervical discectomy and fusion (ACDF) is well-tolerated by most patients and commonly necessitates only a short hospital admission. Surgical delay after hospital admission, however, may result in longer hospital stays, consequently increasing hospital resource utilization. The current study evaluates risk factors for surgical delay in patients undergoing elective ACDF. Methods A retrospective analysis of ACS-NSQIP data from 2006-2015 was performed. Patients undergoing elective ACDF were selected using current procedural terminology (CPT) codes (22251, 22252, 22554). A surgical delay was defined as surgery that occurred one day or later after initial hospital admission. Differences in outcomes between the non-delayed and delayed cohorts were evaluated with univariate analysis. Multivariate logistic regression was performed to identify risk factors for surgical delay. Results There were a total of 771 (2.0%) surgical delays out of 39,371 patients undergoing elective ACDF from 2006-2015. Multider given a rising incidence of cervical fusions in the Medicare population, a wide variation in costs, and increasing popularity of bundled-payment models. Level of Evidence 3. 2019 Journal of Spine Surgery. All rights reserved.Background Conflicting reports exist regarding mortality and morbidity of early surgical decompression in the setting of acute central cord syndrome (ACS) in multisystem trauma despite evidence of improved neurological outcomes. Consequently, optimal decompression timing in ACS in multisystem trauma patients remains controversial. This study aims to determine the association between early surgery for acute traumatic central cord and all-cause mortality among multisystem trauma patients in the National Trauma Data Bank (NTDB) using propensity score matching. Methods We used the NTDB (years 2011-2014) to perform a retrospective cohort study, which included patients >18 years, with ACS (identified using ICD-9 coding). Collected patient data included demographics, surgery timing (≤24 hours, >24 hours), injury mechanism, Charlson comorbidity index (CCI), injury severity score (ISS), serious adverse events (SAE). Logistic regression and propensity matching were used to investigate the relationship between surgery tng comorbidities and multisystem trauma, rather than surgical timing. Delaying definitive surgical care may predispose patients to worsened greater neurological morbidity. 2019 Journal of Spine Surgery. All rights reserved.Background Pedicle screw malposition may result in neurological complications following posterolateral lumbar fusions (PLF). https://www.selleckchem.com/products/zen-3694.html While computer-assisted navigation (NAV) and intraoperative neuromonitoring (ION) have been shown to improve safety in deformity surgeries, their use in routine PLFs remain controversial. This study assesses the risk of complications and reoperation for pedicle screw revision following PLF with and without ION and/or NAV surgery. Methods Retrospective analyses were performed using the Truven Health MarketScan® databases to identify patients that had primary PLF with and without NAV and/or ION for degenerative lumbar disorders from years 2007-2015. Patients undergoing concomitant interbody fusions, spinal deformity surgery or fusion to the thoracic spine were excluded. Complications and reoperation for pedicle screw revision within 90 days of surgery were assessed. Results During the study period, 67,264 patients underwent PLFs. NAV only was used in 3.5% of patients, ION only in 17.9% and both NAV and ION in 0.8% of patients. In univariate analyses, there was a difference in the risk of neurological injuries among groups (NAV only 1.4%, ION only 0.8%, NAV and ION 0.5%, No NAV or ION 0.6%, P less then 0.001). In multivariable models, the use of NAV was associated with a higher risk of neurological complications when compared to ION only or no ION or NAV [NAV vs. ION only odds ratio (OR) and 95% confidence interval (CI) =2.1 (1.4, 3.2), P=0.002; NAV vs. no ION or NAV OR and 95% CI =2.5 (1.7, 3.5), P less then 0.001]. There was no difference in reoperation rates among the groups (P=0.135). Conclusions Although the overall risk of neurological complications following PLFs is low, the use of NAV only was associated with an increased risk of neurological complications. No differences were observed in the rates of pedicle screw revision among groups. 2019 Journal of Spine Surgery. All rights reserved.Background Adult spinal deformity (ASD) is a prevalent condition in individuals over the age of 65; leading to impaired standing balance and abnormal gait patterns. This functional impairment may be due to the fixed sagittal or coronal malalignment; associated spinal stenosis or deconditioning. The Berg balance scale (BBS) was developed to measure balance by assessing the performance of functional tasks. The purpose of this study is to determine if BBS is a useful metric for evaluating functional status in ASD patients. Methods ASD patients who required fusion from the thoracic spine to the pelvis from 2014 to 2016 were enrolled and asked to complete the BBS prior to and six months after surgery. BBS were obtained by a certified physical therapist. Standard demographic; radiographic and surgical data were collected. The Oswestry disability index (ODI), EuroQOL-5D and numeric rating scales (0 to 10) for **** and leg pain were assessed at baseline and post-intervention. Results Of 21 patients enrolled; 19 completed pre- and post-surgery BBS. The mean age was 59.8±13.3 years with 14 females. There was a statistically significant improvement in all outcome scores and radiographic parameters after surgery; but no difference in BBS. Only one patient had a BBS score low enough to be considered a medium fall risk. There was no difference in the pre-op BBS scores in the four patients that had revision surgery compared to those that did not. Conclusions In this small pilot study; BBS did not appear to be associated with measures of clinical and radiographic improvement in ASD patients. The test was also potentially problematic in that it has a ceiling effect and required significant time with a trained physical therapist for administration. Continued effort to identify a viable measure of balance dysfunction in ASD patients is warranted. 2019 Journal of Spine Surgery. All rights reserved.
    Background Anterior cervical discectomy and fusion (ACDF) is well-tolerated by most patients and commonly necessitates only a short hospital admission. Surgical delay after hospital admission, however, may result in longer hospital stays, consequently increasing hospital resource utilization. The current study evaluates risk factors for surgical delay in patients undergoing elective ACDF. Methods A retrospective analysis of ACS-NSQIP data from 2006-2015 was performed. Patients undergoing elective ACDF were selected using current procedural terminology (CPT) codes (22251, 22252, 22554). A surgical delay was defined as surgery that occurred one day or later after initial hospital admission. Differences in outcomes between the non-delayed and delayed cohorts were evaluated with univariate analysis. Multivariate logistic regression was performed to identify risk factors for surgical delay. Results There were a total of 771 (2.0%) surgical delays out of 39,371 patients undergoing elective ACDF from 2006-2015. Multider given a rising incidence of cervical fusions in the Medicare population, a wide variation in costs, and increasing popularity of bundled-payment models. Level of Evidence 3. 2019 Journal of Spine Surgery. All rights reserved.Background Conflicting reports exist regarding mortality and morbidity of early surgical decompression in the setting of acute central cord syndrome (ACS) in multisystem trauma despite evidence of improved neurological outcomes. Consequently, optimal decompression timing in ACS in multisystem trauma patients remains controversial. This study aims to determine the association between early surgery for acute traumatic central cord and all-cause mortality among multisystem trauma patients in the National Trauma Data Bank (NTDB) using propensity score matching. Methods We used the NTDB (years 2011-2014) to perform a retrospective cohort study, which included patients >18 years, with ACS (identified using ICD-9 coding). Collected patient data included demographics, surgery timing (≤24 hours, >24 hours), injury mechanism, Charlson comorbidity index (CCI), injury severity score (ISS), serious adverse events (SAE). Logistic regression and propensity matching were used to investigate the relationship between surgery tng comorbidities and multisystem trauma, rather than surgical timing. Delaying definitive surgical care may predispose patients to worsened greater neurological morbidity. 2019 Journal of Spine Surgery. All rights reserved.Background Pedicle screw malposition may result in neurological complications following posterolateral lumbar fusions (PLF). https://www.selleckchem.com/products/zen-3694.html While computer-assisted navigation (NAV) and intraoperative neuromonitoring (ION) have been shown to improve safety in deformity surgeries, their use in routine PLFs remain controversial. This study assesses the risk of complications and reoperation for pedicle screw revision following PLF with and without ION and/or NAV surgery. Methods Retrospective analyses were performed using the Truven Health MarketScan® databases to identify patients that had primary PLF with and without NAV and/or ION for degenerative lumbar disorders from years 2007-2015. Patients undergoing concomitant interbody fusions, spinal deformity surgery or fusion to the thoracic spine were excluded. Complications and reoperation for pedicle screw revision within 90 days of surgery were assessed. Results During the study period, 67,264 patients underwent PLFs. NAV only was used in 3.5% of patients, ION only in 17.9% and both NAV and ION in 0.8% of patients. In univariate analyses, there was a difference in the risk of neurological injuries among groups (NAV only 1.4%, ION only 0.8%, NAV and ION 0.5%, No NAV or ION 0.6%, P less then 0.001). In multivariable models, the use of NAV was associated with a higher risk of neurological complications when compared to ION only or no ION or NAV [NAV vs. ION only odds ratio (OR) and 95% confidence interval (CI) =2.1 (1.4, 3.2), P=0.002; NAV vs. no ION or NAV OR and 95% CI =2.5 (1.7, 3.5), P less then 0.001]. There was no difference in reoperation rates among the groups (P=0.135). Conclusions Although the overall risk of neurological complications following PLFs is low, the use of NAV only was associated with an increased risk of neurological complications. No differences were observed in the rates of pedicle screw revision among groups. 2019 Journal of Spine Surgery. All rights reserved.Background Adult spinal deformity (ASD) is a prevalent condition in individuals over the age of 65; leading to impaired standing balance and abnormal gait patterns. This functional impairment may be due to the fixed sagittal or coronal malalignment; associated spinal stenosis or deconditioning. The Berg balance scale (BBS) was developed to measure balance by assessing the performance of functional tasks. The purpose of this study is to determine if BBS is a useful metric for evaluating functional status in ASD patients. Methods ASD patients who required fusion from the thoracic spine to the pelvis from 2014 to 2016 were enrolled and asked to complete the BBS prior to and six months after surgery. BBS were obtained by a certified physical therapist. Standard demographic; radiographic and surgical data were collected. The Oswestry disability index (ODI), EuroQOL-5D and numeric rating scales (0 to 10) for back and leg pain were assessed at baseline and post-intervention. Results Of 21 patients enrolled; 19 completed pre- and post-surgery BBS. The mean age was 59.8±13.3 years with 14 females. There was a statistically significant improvement in all outcome scores and radiographic parameters after surgery; but no difference in BBS. Only one patient had a BBS score low enough to be considered a medium fall risk. There was no difference in the pre-op BBS scores in the four patients that had revision surgery compared to those that did not. Conclusions In this small pilot study; BBS did not appear to be associated with measures of clinical and radiographic improvement in ASD patients. The test was also potentially problematic in that it has a ceiling effect and required significant time with a trained physical therapist for administration. Continued effort to identify a viable measure of balance dysfunction in ASD patients is warranted. 2019 Journal of Spine Surgery. All rights reserved.
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  • , Data were compiled and analyzed utilizing SPSS 22.0. Results A total of 47142 eyes of 23571 persons of all age groups (range 5 years to 70 years) with approximate equal gender distribution attending the mega eye camp were examined. The most common ocular morbidity noticed after ocular examination was refractive error with underlying cause majorly as presbyopia, followed by cataract, after cataract, convergence insufficiency, lids, and adnexal disease, etc. Conclusions This study highlights the changing pattern of common ocular morbidities presently among middle and elderly populations in developing countries like India. Copyright © 2020 Journal of Family Medicine and Primary Care.Aim The aim of this study was to compare the Quality of life (QoL) of children with and without sleep bruxism in Chennai population. Materials and Methods A cross-sectional study was conducted with participants of both genders assigned as bruxers (n = 36) and non-bruxers (n = 36) from different regions of Chennai with the age range of 6-12 years. Parents/Caregivers answered a questionnaire in the waiting room. The QoL was assessed using the Oral Health Impact Profile (OHIP-14). OHIP-14 was analyzed by Mann-Whitney U test. Results The sociodemographic characteristics presented no significant differences between bruxers and non-bruxers (P > 0.005). There was a significant difference in QoL between the case and control group ( less then 0.001). Bruxers had worse QoL than controls. Conclusion Sleep bruxism may be associated with a negative impact on QoL. Copyright © 2020 Journal of Family Medicine and Primary Care.Background Extracts of Piper betel are used for the treatment of various ailments since ages due to its essential properties like antioxidant, anticancer, anti-allergic etc. In the present study antioxidant activity for Piper betel leaf extract and Eugenol was assessed. Eugenol was taken as marker compound. Methods Nitric oxide, Hydroxyl radical and Reducing power assay methods were carried out for assessment of antioxidant activity of Piper betel. Results The antioxidant activity for Nitric oxide, Hydroxyl radical and Reducing power assay at 1000 to 62.5μg/ml was performed. The antioxidant activity of Piper betel leaf extract exhibited the IC50 value for Nitric oxide and Hydroxyl radical >1000 whereas Eugenol exhibited the IC50 value 114.34± 0.46 and 306.44 ± 5.28 respectively, for reducing power assay (RPA) Piper betel leaf extract and Eugenol revealed the RPA value ranging from 0.44-0.08 and 0.53-0.12. Conclusion The benefits of Piper betel have been mentioned in our ancient texts. Keeping in view the emergence of various diseases and the benefits of Piper betei, there is need that every effort should be made to revive this treasure of nature into our daily supplement. Copyright © 2020 Journal of Family Medicine and Primary Care.Objectives To assess patients' awareness of the indications and complications of sleeve gastrectomy in King Khalid University Hospital, Riyadh, Saudi Arabia. Methods The cross-sectional study conducted from December 2017 to May 2018 in KKUH, Riyadh, Saudi Arabia included all patients aged 18 years and older. Data collection was conducted through self-administered questionnaires. Chi-square test was performed to determine the significant differences between variables. A P value of less then 0.05 was considered statistically significant. Result Of 480 participants, 247 (51.5%) of them were male. The educational level of most was bachelor's degree (253; 52.7%). Most of the participants (326; 67.9%) are not aware about BMI. However, 80 (16.7%) participants knew the true answer to obese BMI. Of the total participants, 283 (59.0%) did not knew about sleeve gastrectomy indications; however, 311 (64.8%) of the participants had heard about the complications of sleeve gastrectomy. All these results are correlated with the educational level of the participants. Conclusion Our study shows a lack of awareness of sleeve gastrectomy indications and complications among study population. We need to increase public awareness about sleeve gastrectomy indications and complication by proper scientific health education in the community. Copyright © 2020 Journal of Family Medicine and Primary Care.Introduction Tobacco smoking is one of the largest and highly preventable public health threats worldwide. In the United Arab Emirates, around 15.7% adult males and 2.4% adult females are current tobacco smokers. Primary healthcare clinics (PHCs) have an important role in battling the smoking epidemic by raising awareness among patients attending them daily. https://www.selleckchem.com/products/cilengitide-emd-121974-nsc-707544.html The aim of our study was to assess the knowledge, attitude, and practice regarding smoking among patients attending PHCs. Methods A cross-sectional descriptive study was conducted on patients attending primary healthcare clinics in Dubai. Data was collected using a pretested self-administered questionnaire developed by the researchers and was adopted from the Global Adult Tobacco Survey. Results Among a total of 500 patients, around 66.4% were never smokers, 23.6% were current smokers, and 10.0% were ex-smokers. The age of first time smoking among current smokers was the highest between 18 and 19 years, with friends being the source of first attempt of smoking (53.4%). Around 53.4% of the current smokers had poor knowledge, while most of never and ex-smokers had a good knowledge level (47.9%, 70.0%), respectively (P value for both less then 0.05). Majority (71.2%) of current smokers had negative attitude toward anti-smoking statements, while never and ex-smokers had a positive attitude (54.5% and 58.0%), respectively (P value less then 0.05). Conclusion The majority of never and ex-smokers had good knowledge level and positive attitude toward anti-smoking statements; however, poor knowledge level and negative attitude was found more among current smokers. Copyright © 2020 Journal of Family Medicine and Primary Care.Context Handgrip strength (HGS) is the amount of static force that the hand can generate around the dynamometer and can be defined as the ability of the hand to hold the objects between the thumb and fingers. Handgrip measurement is simple but also a valid measure of overall muscle strength and also provides an objective index of functional integrity of upper extremity. Aims To provide population-based HGS reference values for Nepalese adults from 19 to 70 years of age. Settings and Design A cross-sectional study was conducted in Dhulikhel community among 526 participants. Methods and Materials Jamar Dynamometer was used for measuring HGS based on the recommendation provided by the American Society of Hand Therapists. Statistical Analysis Used Data were analyzed using STATA version 14. Results Men exhibited higher HGS compared to women with maximum grip strength observed in age group of 19-29 which were 47.24 kg and 32.51 kg for men and women, respectively. HGS decreases with increasing age in both dominant and nondominant hands.
    , Data were compiled and analyzed utilizing SPSS 22.0. Results A total of 47142 eyes of 23571 persons of all age groups (range 5 years to 70 years) with approximate equal gender distribution attending the mega eye camp were examined. The most common ocular morbidity noticed after ocular examination was refractive error with underlying cause majorly as presbyopia, followed by cataract, after cataract, convergence insufficiency, lids, and adnexal disease, etc. Conclusions This study highlights the changing pattern of common ocular morbidities presently among middle and elderly populations in developing countries like India. Copyright © 2020 Journal of Family Medicine and Primary Care.Aim The aim of this study was to compare the Quality of life (QoL) of children with and without sleep bruxism in Chennai population. Materials and Methods A cross-sectional study was conducted with participants of both genders assigned as bruxers (n = 36) and non-bruxers (n = 36) from different regions of Chennai with the age range of 6-12 years. Parents/Caregivers answered a questionnaire in the waiting room. The QoL was assessed using the Oral Health Impact Profile (OHIP-14). OHIP-14 was analyzed by Mann-Whitney U test. Results The sociodemographic characteristics presented no significant differences between bruxers and non-bruxers (P > 0.005). There was a significant difference in QoL between the case and control group ( less then 0.001). Bruxers had worse QoL than controls. Conclusion Sleep bruxism may be associated with a negative impact on QoL. Copyright © 2020 Journal of Family Medicine and Primary Care.Background Extracts of Piper betel are used for the treatment of various ailments since ages due to its essential properties like antioxidant, anticancer, anti-allergic etc. In the present study antioxidant activity for Piper betel leaf extract and Eugenol was assessed. Eugenol was taken as marker compound. Methods Nitric oxide, Hydroxyl radical and Reducing power assay methods were carried out for assessment of antioxidant activity of Piper betel. Results The antioxidant activity for Nitric oxide, Hydroxyl radical and Reducing power assay at 1000 to 62.5μg/ml was performed. The antioxidant activity of Piper betel leaf extract exhibited the IC50 value for Nitric oxide and Hydroxyl radical >1000 whereas Eugenol exhibited the IC50 value 114.34± 0.46 and 306.44 ± 5.28 respectively, for reducing power assay (RPA) Piper betel leaf extract and Eugenol revealed the RPA value ranging from 0.44-0.08 and 0.53-0.12. Conclusion The benefits of Piper betel have been mentioned in our ancient texts. Keeping in view the emergence of various diseases and the benefits of Piper betei, there is need that every effort should be made to revive this treasure of nature into our daily supplement. Copyright © 2020 Journal of Family Medicine and Primary Care.Objectives To assess patients' awareness of the indications and complications of sleeve gastrectomy in King Khalid University Hospital, Riyadh, Saudi Arabia. Methods The cross-sectional study conducted from December 2017 to May 2018 in KKUH, Riyadh, Saudi Arabia included all patients aged 18 years and older. Data collection was conducted through self-administered questionnaires. Chi-square test was performed to determine the significant differences between variables. A P value of less then 0.05 was considered statistically significant. Result Of 480 participants, 247 (51.5%) of them were male. The educational level of most was bachelor's degree (253; 52.7%). Most of the participants (326; 67.9%) are not aware about BMI. However, 80 (16.7%) participants knew the true answer to obese BMI. Of the total participants, 283 (59.0%) did not knew about sleeve gastrectomy indications; however, 311 (64.8%) of the participants had heard about the complications of sleeve gastrectomy. All these results are correlated with the educational level of the participants. Conclusion Our study shows a lack of awareness of sleeve gastrectomy indications and complications among study population. We need to increase public awareness about sleeve gastrectomy indications and complication by proper scientific health education in the community. Copyright © 2020 Journal of Family Medicine and Primary Care.Introduction Tobacco smoking is one of the largest and highly preventable public health threats worldwide. In the United Arab Emirates, around 15.7% adult males and 2.4% adult females are current tobacco smokers. Primary healthcare clinics (PHCs) have an important role in battling the smoking epidemic by raising awareness among patients attending them daily. https://www.selleckchem.com/products/cilengitide-emd-121974-nsc-707544.html The aim of our study was to assess the knowledge, attitude, and practice regarding smoking among patients attending PHCs. Methods A cross-sectional descriptive study was conducted on patients attending primary healthcare clinics in Dubai. Data was collected using a pretested self-administered questionnaire developed by the researchers and was adopted from the Global Adult Tobacco Survey. Results Among a total of 500 patients, around 66.4% were never smokers, 23.6% were current smokers, and 10.0% were ex-smokers. The age of first time smoking among current smokers was the highest between 18 and 19 years, with friends being the source of first attempt of smoking (53.4%). Around 53.4% of the current smokers had poor knowledge, while most of never and ex-smokers had a good knowledge level (47.9%, 70.0%), respectively (P value for both less then 0.05). Majority (71.2%) of current smokers had negative attitude toward anti-smoking statements, while never and ex-smokers had a positive attitude (54.5% and 58.0%), respectively (P value less then 0.05). Conclusion The majority of never and ex-smokers had good knowledge level and positive attitude toward anti-smoking statements; however, poor knowledge level and negative attitude was found more among current smokers. Copyright © 2020 Journal of Family Medicine and Primary Care.Context Handgrip strength (HGS) is the amount of static force that the hand can generate around the dynamometer and can be defined as the ability of the hand to hold the objects between the thumb and fingers. Handgrip measurement is simple but also a valid measure of overall muscle strength and also provides an objective index of functional integrity of upper extremity. Aims To provide population-based HGS reference values for Nepalese adults from 19 to 70 years of age. Settings and Design A cross-sectional study was conducted in Dhulikhel community among 526 participants. Methods and Materials Jamar Dynamometer was used for measuring HGS based on the recommendation provided by the American Society of Hand Therapists. Statistical Analysis Used Data were analyzed using STATA version 14. Results Men exhibited higher HGS compared to women with maximum grip strength observed in age group of 19-29 which were 47.24 kg and 32.51 kg for men and women, respectively. HGS decreases with increasing age in both dominant and nondominant hands.
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  • An 18 year old male with an incompletely healed clavicle fracture presented with unexplained syncope. Subsequent investigations were consistent with a diagnosis of arrhythmogenic right ventricular cardiomyopathy (ARVC). A subcutaneous implantable cardioverter-defibrillator (S-ICD) was successfully implanted and defibrillation threshold (DFT) testing performed as per standard protocol. Shortly following the procedure, the patient complained of pain and swelling over the left clavicle. A radiograph revealed aggravation and displacement of the underlying clavicle fracture. Surgical reduction and internal fixation was performed one week later. OBJECTIVES Comparison of outcomes, device deployment time (DT), and total time (TT) using a single tapered Coons dilator versus sequential serial dilation for implantation of the Micra leadless pacemaker. BACKGROUND Micra leadless pacemaker placement requires a 23 French Micra introducer sheath (MIS) for percutaneous delivery. We sought to evaluate outcomes with use of a single tapered Coons dilator (CD) versus sequential serial dilatation (SD) method to facilitate insertion of the Micra introducer sheath. METHODS 35 patients were included in the SD arm and 49 in the CD arm. DT and TT were recorded in minutes and cost in dollars. Analysis was performed using independent t-test between two groups and one-way ANOVA to evaluate inter-operator variability in the CD arm. RESULTS Both DT and TT were significantly lower for the CD arm (15.1 ± 5.1 vs 23.5 ± 9.3, p  less then  0.0005 and 29.9 ± 14 vs 39.3 ± 13.5 min, p = 0.000374; respectively). The cost was also significantly lower using a CD versus SD. There was no inter-operator variability in the CD arm between 6 operators (p = 0.177 for DT and p = 0.304 for TT). No complications occurred in the SD arm. There were 3 vascular access site complications in the CD arm, all of which occurred early in the operator's experience. CONCLUSION Coons dilator is an efficient and cost-effective method for vascular dilatation to facilitate Micra leadless pacemaker insertion. Rate of complications is low and expected to improve with greater experience. Pesticides are widely-used chemicals commonly applied in agriculture for the protection of crops from pests. Depending on the class of pesticides, the specific substances may have a specific set of adverse effects on humans, especially in cases of acute poisoning. In past years, evidence regarding sequelae of chronic, low-level exposure has been accumulating. Cognitive impairment and dementia heavily affect a person's quality of life and scientific data has been hinting towards an association between them and antecedent chronic pesticide exposure. Here, we reviewed animal and human studies exploring the association between pesticide exposure, cognition and dementia. Additionally, we present potential mechanisms through which pesticides may act neurotoxically and lead to neurodegeneration. Study designs rarely presented homogeneity and the estimation of the exposure to pesticides has been most frequently performed without measuring the synergic effects and the possible interactions between the toxicants within mixtures, and also overlooking low exposures to environmental toxicants. It is possible that a Real-Life Risk Simulation approach would represent a robust alternative for future studies, so that the safe exposure limits and the net risk that pesticides confer to impaired cognitive function can be examined. Previous studies that evaluated the effect of low dose chronic exposure to mixtures of pesticides and other chemicals intending to simulate real life exposure scenarios showed that hormetic neurobehavioral effects can appear after mixture exposure at doses considered safe for individual compounds and these effects can be exacerbated by a coexistence with specific conditions such as vitamin deficiency. However, there is an overall indication, derived from both epidemiologic and laboratory evidence, supporting an association between exposure to neurotoxic pesticides and cognitive dysfunction, dementia and Alzheimer's disease. Ethylene oxide (EO), a carcinogenic chemical used as an industrial intermediate and sterilant, forms covalent adducts with DNA and proteins. The adduct with N-terminal valine [N-(2-hydroxyethyl)-l-valine, HEV] in blood protein globin has been employed as a principal biomarker of cumulative exposures to EO. However, as sampling of blood is inconvenient in routine occupational health practice, a non-invasive alternative to globin analysis has been investigated. Following identification of N-(2-hydroxyethyl)-l-valyl-l-leucine (HEVL) as ultimate cleavage product of EO-adducted globin excreted in the rat urine, here we report for the first time on the presence of HEVL in the urine of humans. In 18 sterilization workers, urinary HEVL ranged from 0.67 to 11.98 μg/g creatinine (mean ± SD 5.04 ± 3.14 μg/g creat) and correlated with HEV HEVL (μg/g creat) = 0.833 HEV (nmol/g globin) + 1.19 (R2 = 0.45). As unexpectedly high levels of urinary HEVL were found also in controls (mean ± SD 0.97 ± 0.37 μg/g creat, n = 32), HEVL is not proposed for the accurate assessment of sub-ppm exposures to EO. On the other hand, non-invasive sampling and facile work-up procedure predetermine HEVL for screening purposes to identify subjects approaching to or exceeding occupational exposure limit for EO (1.8 mg/m3) to be re-examined by the more sensitive reference analysis for HEV. https://www.selleckchem.com/products/AZD1480.html Infantile hemangioma is one of the most common vascular tumors, which might result in morbidity and mortality without timely intervention. Propranolol is currently the first-line therapy for hemangiomas, but its potential side effects and high frequency of administration make it urgent to develop a suitable drug delivery system for propranolol. In the present study, we formulated a propranolol delivery system based on mesoporous silica nanoparticles (PRN@MSN) and investigated the interplay between autophagic activities mediated by nanoparticles and improved therapeutic efficacy of PRN@MSN. The results showed that PRN@MSN nanoparticles exhibited higher cytotoxicity compared with free propranolol in vitro and in vivo, which could induce excessive autophagosome accumulation through increased autophagosome formation and impaired autophagic degradation. Inhibition of autophagy in the early stage could attenuate the cytotoxicity of PRN@MSN. ROS generation was essential for nanoparticle-mediated autophagy and cytotoxicity, and PRN@MSN-induced autophagy dysfunction could enhance endoplasmic reticulum (ER) stress in hemangioma stem cells.
    An 18 year old male with an incompletely healed clavicle fracture presented with unexplained syncope. Subsequent investigations were consistent with a diagnosis of arrhythmogenic right ventricular cardiomyopathy (ARVC). A subcutaneous implantable cardioverter-defibrillator (S-ICD) was successfully implanted and defibrillation threshold (DFT) testing performed as per standard protocol. Shortly following the procedure, the patient complained of pain and swelling over the left clavicle. A radiograph revealed aggravation and displacement of the underlying clavicle fracture. Surgical reduction and internal fixation was performed one week later. OBJECTIVES Comparison of outcomes, device deployment time (DT), and total time (TT) using a single tapered Coons dilator versus sequential serial dilation for implantation of the Micra leadless pacemaker. BACKGROUND Micra leadless pacemaker placement requires a 23 French Micra introducer sheath (MIS) for percutaneous delivery. We sought to evaluate outcomes with use of a single tapered Coons dilator (CD) versus sequential serial dilatation (SD) method to facilitate insertion of the Micra introducer sheath. METHODS 35 patients were included in the SD arm and 49 in the CD arm. DT and TT were recorded in minutes and cost in dollars. Analysis was performed using independent t-test between two groups and one-way ANOVA to evaluate inter-operator variability in the CD arm. RESULTS Both DT and TT were significantly lower for the CD arm (15.1 ± 5.1 vs 23.5 ± 9.3, p  less then  0.0005 and 29.9 ± 14 vs 39.3 ± 13.5 min, p = 0.000374; respectively). The cost was also significantly lower using a CD versus SD. There was no inter-operator variability in the CD arm between 6 operators (p = 0.177 for DT and p = 0.304 for TT). No complications occurred in the SD arm. There were 3 vascular access site complications in the CD arm, all of which occurred early in the operator's experience. CONCLUSION Coons dilator is an efficient and cost-effective method for vascular dilatation to facilitate Micra leadless pacemaker insertion. Rate of complications is low and expected to improve with greater experience. Pesticides are widely-used chemicals commonly applied in agriculture for the protection of crops from pests. Depending on the class of pesticides, the specific substances may have a specific set of adverse effects on humans, especially in cases of acute poisoning. In past years, evidence regarding sequelae of chronic, low-level exposure has been accumulating. Cognitive impairment and dementia heavily affect a person's quality of life and scientific data has been hinting towards an association between them and antecedent chronic pesticide exposure. Here, we reviewed animal and human studies exploring the association between pesticide exposure, cognition and dementia. Additionally, we present potential mechanisms through which pesticides may act neurotoxically and lead to neurodegeneration. Study designs rarely presented homogeneity and the estimation of the exposure to pesticides has been most frequently performed without measuring the synergic effects and the possible interactions between the toxicants within mixtures, and also overlooking low exposures to environmental toxicants. It is possible that a Real-Life Risk Simulation approach would represent a robust alternative for future studies, so that the safe exposure limits and the net risk that pesticides confer to impaired cognitive function can be examined. Previous studies that evaluated the effect of low dose chronic exposure to mixtures of pesticides and other chemicals intending to simulate real life exposure scenarios showed that hormetic neurobehavioral effects can appear after mixture exposure at doses considered safe for individual compounds and these effects can be exacerbated by a coexistence with specific conditions such as vitamin deficiency. However, there is an overall indication, derived from both epidemiologic and laboratory evidence, supporting an association between exposure to neurotoxic pesticides and cognitive dysfunction, dementia and Alzheimer's disease. Ethylene oxide (EO), a carcinogenic chemical used as an industrial intermediate and sterilant, forms covalent adducts with DNA and proteins. The adduct with N-terminal valine [N-(2-hydroxyethyl)-l-valine, HEV] in blood protein globin has been employed as a principal biomarker of cumulative exposures to EO. However, as sampling of blood is inconvenient in routine occupational health practice, a non-invasive alternative to globin analysis has been investigated. Following identification of N-(2-hydroxyethyl)-l-valyl-l-leucine (HEVL) as ultimate cleavage product of EO-adducted globin excreted in the rat urine, here we report for the first time on the presence of HEVL in the urine of humans. In 18 sterilization workers, urinary HEVL ranged from 0.67 to 11.98 μg/g creatinine (mean ± SD 5.04 ± 3.14 μg/g creat) and correlated with HEV HEVL (μg/g creat) = 0.833 HEV (nmol/g globin) + 1.19 (R2 = 0.45). As unexpectedly high levels of urinary HEVL were found also in controls (mean ± SD 0.97 ± 0.37 μg/g creat, n = 32), HEVL is not proposed for the accurate assessment of sub-ppm exposures to EO. On the other hand, non-invasive sampling and facile work-up procedure predetermine HEVL for screening purposes to identify subjects approaching to or exceeding occupational exposure limit for EO (1.8 mg/m3) to be re-examined by the more sensitive reference analysis for HEV. https://www.selleckchem.com/products/AZD1480.html Infantile hemangioma is one of the most common vascular tumors, which might result in morbidity and mortality without timely intervention. Propranolol is currently the first-line therapy for hemangiomas, but its potential side effects and high frequency of administration make it urgent to develop a suitable drug delivery system for propranolol. In the present study, we formulated a propranolol delivery system based on mesoporous silica nanoparticles (PRN@MSN) and investigated the interplay between autophagic activities mediated by nanoparticles and improved therapeutic efficacy of PRN@MSN. The results showed that PRN@MSN nanoparticles exhibited higher cytotoxicity compared with free propranolol in vitro and in vivo, which could induce excessive autophagosome accumulation through increased autophagosome formation and impaired autophagic degradation. Inhibition of autophagy in the early stage could attenuate the cytotoxicity of PRN@MSN. ROS generation was essential for nanoparticle-mediated autophagy and cytotoxicity, and PRN@MSN-induced autophagy dysfunction could enhance endoplasmic reticulum (ER) stress in hemangioma stem cells.
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  • Symptoms of sleep-disordered breathing were relieved in all patients after operation. Preoperative and postoperative KOSA-18 scores were 73.5 and 35.5, respectively (P = .024). On polysomnography, the preoperative and postoperative apnea-hypopnea index scores were 22.9 and 4.7, respectively (P = .068). The patients were followed up for an average of 1.3 years. One patient developed a recurrence of symptoms and underwent a revision operation. Complications such as bleeding and nasopharyngeal stenosis were not observed.Otorhinolaryngologists should keep TTH in mind as one of the differential diagnoses for recurrent upper airway obstruction symptoms after adenoidectomy. Microscopic coblator-assisted partial resection of TTH is likely to be safe and effective.The surgical outcomes of patients with single ureteral stones who had undergone ureteroscopic Holmium laser lithotripsy as outpatients and compare them with those of patients who had received the same procedure as inpatients. Records were obtained from January 2012 to December 2016 for selected patients who had undergone the above mentioned procedure at our institution. Patients were excluded if their ECOG performance status was ≥2, presented with multiple stones or concomitant renal stones, had histories of cancer or congenital urinary system abnormalities, or had undergone urinary system reconstruction surgery. Patients could decide whether to receive the procedure as an outpatient or inpatient. All surgeries were performed by a single surgeon. Patients preoperative, operative, and postoperative data were recorded. The clinical results, such as urinary tract infection, analgesic requirement, rate of returning to the emergency room, stone clearance, surgical complications, and medical expenditure for the tretripsy with a Holmium laser was more economical compared with the inpatient group and achieved favorable outcomes for patients with a single ureteral stone.Pleural effusion (PE) remains insurmountable challenge and public health problem, requiring novel noninvasive biomarkers for accurate diagnosis. The aim of this study was to assess the clinical significance of apolipoprotein E (Apo-E) in PE, in order to determine its potential use as a diagnostic biomarker for malignant PE (MPE).PE samples were obtained from 127 patients and the etiology of PE was determined by multiple diagnostic techniques. Apo-E levels were then measured in the pleural fluid samples.58 PE patients were diagnosed with tumors, while 69 were tumor-free. Apo-E levels in MPE patients were significantly higher than those with benign PE (BPE) (P  less then  .05). An Apo-E cut-off of 69.96 ng/mL yielded sensitivity and specificity of 79.31% and 73.91% respectively for MPE detection. The area under the curve for Apo-E was 0.793 (95% confidence interval 0.712 to 0.860), which was smaller than that of carcinoembryonic antigen (CEA) (Z = 2.081, P less then .05). In addition, the combination of Apo-E and CEA detection yielded a higher sensitivity of 87.90% and specificity of 95.65% in diagnosing MPE.In conclusion, Apo-E levels in PE may be a potential biomarker for the detection of MPE. The combined detection of Apo-E and CEA could improve the diagnostic sensitivity and specificity for MPE. These findings provide a simple and convenient method for clinical screening and detection of PE.BACKGROUND Growing body of scientific researches in recent years have suggested the promising effect of meditation on improving cognitive impairment of Alzheimer disease (AD) and mild cognitive impairment (MCI). This paper aims to provide a protocol for systematic review to evaluate the efficacy of meditation on cognition performance of patient with AD and MCI. METHODS The Cochrane Library, PubMed, EMBASE, Web of Science, the Chinese Biological Medicine Database, China National Knowledge Infrastructure, Wanfang database, and VIP information database will be searched systematically and electronically from establishment to March 2020. All published randomized controlled trials related will be included. Assessment of bias risk and data analyses will be implemented by Review Manager (V.5.3.5). The strength of the evidence will be assessed by the Grading of Recommendations Assessment, Development and Evaluation system. RESULTS A high-quality synthesis of current evidence of meditation for patient with AD and mild cognitive impairment will be provided in this study. CONCLUSION This protocol of systematic review will be helpful for providing evidence of whether meditation is an effective and safe intervention for cognitive impairment of patient with AD and MCI. ETHICS AND DISSEMINATION Ethical approval is unnecessary since this protocol is only for systematic review and does not involve privacy data or conduct an animal experiment. This protocol will be disseminated by a peer-review journal or conference presentation. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42019145932.BACKGROUND Somatostatin analog therapies showed great potential for patients suffering advanced neuroendocrine tumors (NETs). This study was aimed to evaluate the therapeutic efficacy of Lu-DOTATATE/DOTATOC (Lu-octreotate/octreotide) peptide receptor radionuclide therapy (PRRT) in advanced or inoperable NETs patients. METHODS Pubmed, Web of Science, Embase and Cochrane Library were searched from 1950 to April 2019. Eligible studies should include randomized or nonrandomized controlled trials (RCTs)-based investigations of Lu-octreotate/octreotide PRRT for NETs. https://www.selleckchem.com/products/mrt68921.html All these studies were assessed with Response Evaluation Criteria in Solid Tumors (RECIST), RECIST 1.1, Southwest Oncology Group (SWOG) criteria or World Health Organization (WHO) criteria. Disease response rates (DRRs) and disease control rates (DCRs) were calculated according to each response criteria group. DRRs were defined as the percentages of patients with complete response (CR) + partial response (PR), while DCRs represented the percentages of atment with Lu-DOTATATE PRRT, which shows that this treatment would be beneficial and promising for advanced or inoperable NETs patients.We treated skin sclerosis with triple therapy consisting of a glucocorticoid, intravenous cyclophosphamide, and double-filtration plasmapheresis. The objective of this study was to analyze its effectiveness in a case series of patients who received triple therapy.We enrolled 8 patients with diffuse cutaneous systemic sclerosis (dcSSc) who received triple therapy at our hospital from 2008 to 2016. We analyzed the mean change in the modified Rodnan skin score (mRSS), percentage of the predicted forced vital capacity (%FVC), percentage of the predicted carbon monoxide diffusing capacity (%DLCO), and serum KL-6 levels from baseline to follow-up.All patients were treated with an intermediate dose of oral prednisolone (30.6 ± 2.1 mg/day) initially. The mean cumulative dose of intravenous cyclophosphamide was 1.4 ± 0.2 g. The mean mRSS decreased significantly at follow-up compared with that at baseline (27.0 ± 3.3 vs 15.8 ± 3.5; P = .03). At the end of the treatment, the mean %FVC and %DLCO were improved moderately, although the differences were not significant.
    Symptoms of sleep-disordered breathing were relieved in all patients after operation. Preoperative and postoperative KOSA-18 scores were 73.5 and 35.5, respectively (P = .024). On polysomnography, the preoperative and postoperative apnea-hypopnea index scores were 22.9 and 4.7, respectively (P = .068). The patients were followed up for an average of 1.3 years. One patient developed a recurrence of symptoms and underwent a revision operation. Complications such as bleeding and nasopharyngeal stenosis were not observed.Otorhinolaryngologists should keep TTH in mind as one of the differential diagnoses for recurrent upper airway obstruction symptoms after adenoidectomy. Microscopic coblator-assisted partial resection of TTH is likely to be safe and effective.The surgical outcomes of patients with single ureteral stones who had undergone ureteroscopic Holmium laser lithotripsy as outpatients and compare them with those of patients who had received the same procedure as inpatients. Records were obtained from January 2012 to December 2016 for selected patients who had undergone the above mentioned procedure at our institution. Patients were excluded if their ECOG performance status was ≥2, presented with multiple stones or concomitant renal stones, had histories of cancer or congenital urinary system abnormalities, or had undergone urinary system reconstruction surgery. Patients could decide whether to receive the procedure as an outpatient or inpatient. All surgeries were performed by a single surgeon. Patients preoperative, operative, and postoperative data were recorded. The clinical results, such as urinary tract infection, analgesic requirement, rate of returning to the emergency room, stone clearance, surgical complications, and medical expenditure for the tretripsy with a Holmium laser was more economical compared with the inpatient group and achieved favorable outcomes for patients with a single ureteral stone.Pleural effusion (PE) remains insurmountable challenge and public health problem, requiring novel noninvasive biomarkers for accurate diagnosis. The aim of this study was to assess the clinical significance of apolipoprotein E (Apo-E) in PE, in order to determine its potential use as a diagnostic biomarker for malignant PE (MPE).PE samples were obtained from 127 patients and the etiology of PE was determined by multiple diagnostic techniques. Apo-E levels were then measured in the pleural fluid samples.58 PE patients were diagnosed with tumors, while 69 were tumor-free. Apo-E levels in MPE patients were significantly higher than those with benign PE (BPE) (P  less then  .05). An Apo-E cut-off of 69.96 ng/mL yielded sensitivity and specificity of 79.31% and 73.91% respectively for MPE detection. The area under the curve for Apo-E was 0.793 (95% confidence interval 0.712 to 0.860), which was smaller than that of carcinoembryonic antigen (CEA) (Z = 2.081, P less then .05). In addition, the combination of Apo-E and CEA detection yielded a higher sensitivity of 87.90% and specificity of 95.65% in diagnosing MPE.In conclusion, Apo-E levels in PE may be a potential biomarker for the detection of MPE. The combined detection of Apo-E and CEA could improve the diagnostic sensitivity and specificity for MPE. These findings provide a simple and convenient method for clinical screening and detection of PE.BACKGROUND Growing body of scientific researches in recent years have suggested the promising effect of meditation on improving cognitive impairment of Alzheimer disease (AD) and mild cognitive impairment (MCI). This paper aims to provide a protocol for systematic review to evaluate the efficacy of meditation on cognition performance of patient with AD and MCI. METHODS The Cochrane Library, PubMed, EMBASE, Web of Science, the Chinese Biological Medicine Database, China National Knowledge Infrastructure, Wanfang database, and VIP information database will be searched systematically and electronically from establishment to March 2020. All published randomized controlled trials related will be included. Assessment of bias risk and data analyses will be implemented by Review Manager (V.5.3.5). The strength of the evidence will be assessed by the Grading of Recommendations Assessment, Development and Evaluation system. RESULTS A high-quality synthesis of current evidence of meditation for patient with AD and mild cognitive impairment will be provided in this study. CONCLUSION This protocol of systematic review will be helpful for providing evidence of whether meditation is an effective and safe intervention for cognitive impairment of patient with AD and MCI. ETHICS AND DISSEMINATION Ethical approval is unnecessary since this protocol is only for systematic review and does not involve privacy data or conduct an animal experiment. This protocol will be disseminated by a peer-review journal or conference presentation. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42019145932.BACKGROUND Somatostatin analog therapies showed great potential for patients suffering advanced neuroendocrine tumors (NETs). This study was aimed to evaluate the therapeutic efficacy of Lu-DOTATATE/DOTATOC (Lu-octreotate/octreotide) peptide receptor radionuclide therapy (PRRT) in advanced or inoperable NETs patients. METHODS Pubmed, Web of Science, Embase and Cochrane Library were searched from 1950 to April 2019. Eligible studies should include randomized or nonrandomized controlled trials (RCTs)-based investigations of Lu-octreotate/octreotide PRRT for NETs. https://www.selleckchem.com/products/mrt68921.html All these studies were assessed with Response Evaluation Criteria in Solid Tumors (RECIST), RECIST 1.1, Southwest Oncology Group (SWOG) criteria or World Health Organization (WHO) criteria. Disease response rates (DRRs) and disease control rates (DCRs) were calculated according to each response criteria group. DRRs were defined as the percentages of patients with complete response (CR) + partial response (PR), while DCRs represented the percentages of atment with Lu-DOTATATE PRRT, which shows that this treatment would be beneficial and promising for advanced or inoperable NETs patients.We treated skin sclerosis with triple therapy consisting of a glucocorticoid, intravenous cyclophosphamide, and double-filtration plasmapheresis. The objective of this study was to analyze its effectiveness in a case series of patients who received triple therapy.We enrolled 8 patients with diffuse cutaneous systemic sclerosis (dcSSc) who received triple therapy at our hospital from 2008 to 2016. We analyzed the mean change in the modified Rodnan skin score (mRSS), percentage of the predicted forced vital capacity (%FVC), percentage of the predicted carbon monoxide diffusing capacity (%DLCO), and serum KL-6 levels from baseline to follow-up.All patients were treated with an intermediate dose of oral prednisolone (30.6 ± 2.1 mg/day) initially. The mean cumulative dose of intravenous cyclophosphamide was 1.4 ± 0.2 g. The mean mRSS decreased significantly at follow-up compared with that at baseline (27.0 ± 3.3 vs 15.8 ± 3.5; P = .03). At the end of the treatment, the mean %FVC and %DLCO were improved moderately, although the differences were not significant.
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  • Whereas antigen and viral DNA screening is standard of care in Asia and Western Pacific oncology practice, evaluation for latent hepatitis may become a necessary part of management worldwide as CPIs continue to expand their role. © Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.BACKGROUND Pancreatic cancer (PC) is a common malignancy of the digestive system and is characterized by poor prognosis and early metastasis. Tumor immune escape plays an important role in PC progression. Programmed death 1 (PD1) blockade therapy is a promising treatment for patients with PC, but is yet to achieve significant clinical effects so far. Interferon gamma (IFN-γ) is a soluble dimeric cytokine that is closely associated with tumor immune surveillance and cytotoxicity. IFN-γ suppresses a variety of tumor-derived cytokines in PC, such as CXCL8. In the present study, we investigated the therapeutic efficacy of combined anti-PD1 and IFN-γ treatment in PC. METHODS BxPC-3 and Panc-1 human PC cell lines were used to construct a murine PC model. Blood samples (n=44) and surgical resection specimens (n=36) from human patients with PC were also collected. χ2 test, two-tailed unpaired t-test or Kaplan-Meier survival analysis was used to calculate p values. RESULTS PD1/PD-L1 signaling was overexpressed in PC tipheral and tumor-infiltrating CD68+ macrophages, which are associated with advanced tumor stage and poor prognosis. CONCLUSION Our findings suggest that IFN-γ is a translatable, therapeutic option to improve the efficacy of PD1 blockade therapy by preventing trafficking of CXCR2+CD68+ macrophages via blocking the CXCL8-CXCR2 axis. © Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.Glioblastoma (GBM) is one of the most malignant brain tumours, and despite advances in treatment modalities, it remains largely incurable. Calcium regulation and dynamics play crucial roles in different aspects of cancer, but they have never been investigated in detail in GBM. Here, we report that spontaneous calcium waves in GBM cells cause unusual [Ca2+]i elevations (>1 µM), often propagating through tumour microtubes (TMs) connecting adjacent cells. This unusual [Ca2+]i elevation is not associated with the induction of cell death and is concomitant with overexpression of mitochondrial calcium uniporter (MCU). Here, we show that MCU silencing decreases proliferation and alters [Ca2+]i dynamics in U87 GBM cells, while MCU overexpression increases [Ca2+]i elevation in human astrocytes (HA). These results suggest that changes in the expression level of MCU, a protein involved in intracellular calcium regulation, influences GBM cell proliferation, contributing to GBM malignancy. © 2020. Published by The Company of Biologists Ltd.Nuclear pore complexes (NPCs) control gene expression by regulating the bi-directional exchange of proteins and RNAs between nuclear and cytoplasmic compartments, including access of transcriptional regulators to the nucleoplasm. Here we show that the yeast nucleoporin Nup170, in addition to binding and silencing subtelomeric genes, supports transcription of genes regulated by the SAGA transcriptional activator. Specifically, we show that less SAGA complex is bound to target genes in the absence Nup170. https://www.selleckchem.com/products/cep-18770.html Consistent with this observation, levels of the SAGA complex are decreased in cells lacking Nup170, while SAGA-related SLIK complexes are increased. This change in the ratio of SAGA to SLIK complexes is due to increased nuclear activity of Pep4, a protease responsible for production of the SLIK complex. Further analyses of various nucleoporin mutants revealed that the increased nuclear entry of Pep4 observed in the nup170Δ mutant likely occurs as consequence of an increase in the sieving limits of the NPC diffusion channel. On the basis of these results, we propose that changes in passive diffusion rates represents a mechanism for regulating SAGA/SLIK complex-mediated transcriptional events. © 2020. Published by The Company of Biologists Ltd.Self-incompatibility (SI) in Papaver rhoeas triggers dramatic actin alterations in pollen. However, how actin alterations in SI pollen tubes are mechanistically achieved remains largely unexplored. Here we have used treatment with the calcium ionophore A23187 to mimic the SI-induced elevation in cytosolic Ca2+ and trigger the formation of the distinctive F-actin foci. Live-cell imaging reveals that this remodeling involves F-actin fragmentation and depolymerization, accompanied by the rapid formation of punctate actin foci and subsequent increase in their size. We establish that actin foci are generated and enlarged from crosslinking of fragmented actin filament structures. Moreover, we show that villins associate with actin structures and are involved in this actin reorganization process. Notably, we demonstrate that Arabidopsis villin5 promotes actin depolymerization and formation of actin foci by fragmenting actin filaments, and controlling the enlargement of actin foci via bundling actin filaments. Our study thus uncovers important, novel insights about the molecular players and mechanisms involved in forming the distinctive actin foci in pollen tubes. © 2020. Published by The Company of Biologists Ltd.Membrane lipid biosynthesis is a complex process that occurs in various intracellular compartments. In Drosophila, phosphatidylinositol glycan (PIG)-B (DPIG-B), which catalyzes addition of the third mannose in glycosylphosphatidylinositol (GPI), localizes to the nuclear envelope (NE). Although this NE localization is essential for Drosophila development, the underlying molecular mechanism remains unknown. To elucidate this mechanism, we identified DPIG-B-interacting proteins by performing immunoprecipitation followed by proteomic analysis. We then examined which of these proteins are required for the NE localization of DPIG-B. Knockdown of Lamin Dm0, a B-type lamin, led to mislocalization of DPIG-B from the NE to the endoplasmic reticulum. Lamin Dm0 associated with DPIG-B at the inner nuclear membrane, a process that required the tail domain of Lamin Dm0. Furthermore, GPI moieties were distributed abnormally in the Lamin Dm0 mutant. These data indicate that Lamin Dm0 is involved in the NE localization of DPIG-B and is required for proper GPI-anchor modification of proteins.
    Whereas antigen and viral DNA screening is standard of care in Asia and Western Pacific oncology practice, evaluation for latent hepatitis may become a necessary part of management worldwide as CPIs continue to expand their role. © Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.BACKGROUND Pancreatic cancer (PC) is a common malignancy of the digestive system and is characterized by poor prognosis and early metastasis. Tumor immune escape plays an important role in PC progression. Programmed death 1 (PD1) blockade therapy is a promising treatment for patients with PC, but is yet to achieve significant clinical effects so far. Interferon gamma (IFN-γ) is a soluble dimeric cytokine that is closely associated with tumor immune surveillance and cytotoxicity. IFN-γ suppresses a variety of tumor-derived cytokines in PC, such as CXCL8. In the present study, we investigated the therapeutic efficacy of combined anti-PD1 and IFN-γ treatment in PC. METHODS BxPC-3 and Panc-1 human PC cell lines were used to construct a murine PC model. Blood samples (n=44) and surgical resection specimens (n=36) from human patients with PC were also collected. χ2 test, two-tailed unpaired t-test or Kaplan-Meier survival analysis was used to calculate p values. RESULTS PD1/PD-L1 signaling was overexpressed in PC tipheral and tumor-infiltrating CD68+ macrophages, which are associated with advanced tumor stage and poor prognosis. CONCLUSION Our findings suggest that IFN-γ is a translatable, therapeutic option to improve the efficacy of PD1 blockade therapy by preventing trafficking of CXCR2+CD68+ macrophages via blocking the CXCL8-CXCR2 axis. © Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.Glioblastoma (GBM) is one of the most malignant brain tumours, and despite advances in treatment modalities, it remains largely incurable. Calcium regulation and dynamics play crucial roles in different aspects of cancer, but they have never been investigated in detail in GBM. Here, we report that spontaneous calcium waves in GBM cells cause unusual [Ca2+]i elevations (>1 µM), often propagating through tumour microtubes (TMs) connecting adjacent cells. This unusual [Ca2+]i elevation is not associated with the induction of cell death and is concomitant with overexpression of mitochondrial calcium uniporter (MCU). Here, we show that MCU silencing decreases proliferation and alters [Ca2+]i dynamics in U87 GBM cells, while MCU overexpression increases [Ca2+]i elevation in human astrocytes (HA). These results suggest that changes in the expression level of MCU, a protein involved in intracellular calcium regulation, influences GBM cell proliferation, contributing to GBM malignancy. © 2020. Published by The Company of Biologists Ltd.Nuclear pore complexes (NPCs) control gene expression by regulating the bi-directional exchange of proteins and RNAs between nuclear and cytoplasmic compartments, including access of transcriptional regulators to the nucleoplasm. Here we show that the yeast nucleoporin Nup170, in addition to binding and silencing subtelomeric genes, supports transcription of genes regulated by the SAGA transcriptional activator. Specifically, we show that less SAGA complex is bound to target genes in the absence Nup170. https://www.selleckchem.com/products/cep-18770.html Consistent with this observation, levels of the SAGA complex are decreased in cells lacking Nup170, while SAGA-related SLIK complexes are increased. This change in the ratio of SAGA to SLIK complexes is due to increased nuclear activity of Pep4, a protease responsible for production of the SLIK complex. Further analyses of various nucleoporin mutants revealed that the increased nuclear entry of Pep4 observed in the nup170Δ mutant likely occurs as consequence of an increase in the sieving limits of the NPC diffusion channel. On the basis of these results, we propose that changes in passive diffusion rates represents a mechanism for regulating SAGA/SLIK complex-mediated transcriptional events. © 2020. Published by The Company of Biologists Ltd.Self-incompatibility (SI) in Papaver rhoeas triggers dramatic actin alterations in pollen. However, how actin alterations in SI pollen tubes are mechanistically achieved remains largely unexplored. Here we have used treatment with the calcium ionophore A23187 to mimic the SI-induced elevation in cytosolic Ca2+ and trigger the formation of the distinctive F-actin foci. Live-cell imaging reveals that this remodeling involves F-actin fragmentation and depolymerization, accompanied by the rapid formation of punctate actin foci and subsequent increase in their size. We establish that actin foci are generated and enlarged from crosslinking of fragmented actin filament structures. Moreover, we show that villins associate with actin structures and are involved in this actin reorganization process. Notably, we demonstrate that Arabidopsis villin5 promotes actin depolymerization and formation of actin foci by fragmenting actin filaments, and controlling the enlargement of actin foci via bundling actin filaments. Our study thus uncovers important, novel insights about the molecular players and mechanisms involved in forming the distinctive actin foci in pollen tubes. © 2020. Published by The Company of Biologists Ltd.Membrane lipid biosynthesis is a complex process that occurs in various intracellular compartments. In Drosophila, phosphatidylinositol glycan (PIG)-B (DPIG-B), which catalyzes addition of the third mannose in glycosylphosphatidylinositol (GPI), localizes to the nuclear envelope (NE). Although this NE localization is essential for Drosophila development, the underlying molecular mechanism remains unknown. To elucidate this mechanism, we identified DPIG-B-interacting proteins by performing immunoprecipitation followed by proteomic analysis. We then examined which of these proteins are required for the NE localization of DPIG-B. Knockdown of Lamin Dm0, a B-type lamin, led to mislocalization of DPIG-B from the NE to the endoplasmic reticulum. Lamin Dm0 associated with DPIG-B at the inner nuclear membrane, a process that required the tail domain of Lamin Dm0. Furthermore, GPI moieties were distributed abnormally in the Lamin Dm0 mutant. These data indicate that Lamin Dm0 is involved in the NE localization of DPIG-B and is required for proper GPI-anchor modification of proteins.
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  • Cat scratch disease (CSD) in humans is caused by infection with Bartonella henselae or other Bartonella spp. The name of the disease reflects the fact that patients frequently have a history of contact (often involving bites or scratches) with infected cats. Patients with CSD typically develop lesions at the site where the skin is broken together with regional lymphadenopathy but may go on to exhibit systemic symptoms and with deep-seated infections at a range of sites including the eye. Patients with CSD may present with a range of inflammatory eye conditions, including Parinaud's oculoglandular syndrome, neuroretinitis, multifocal retinitis, uveitis and retinal artery occlusion. Bartonella spp. are fastidious bacteria that are difficult to culture from clinical specimens so microbiological diagnosis is frequently made on the basis of positive serology for anti-Bartonella antibodies or detection of bacterial DNA by PCR. Due to the lack of clinical trials, the evidence base for optimal management of patients with CSD-associated eye infections (including the role of antibiotics) is weak, being derived from single reports or small, uncontrolled case series. © Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.AIMS To characterise posterior corneal surface features in patients with Down syndrome (DS) and to compare them with healthy and mild keratoconus corneas. METHODS This restrospective, comparative, non-randomised, clinical study included 123 eyes, divided into three groups (37 eyes of patients with DS, 46 with mild keratoconus and 40 controls), and took place at Vissum Alicante. Only patients with no previous ocular surgery, no corneal scars and no active ocular disease other than keratoconus were included. The Sirius System topographer (CSO, Firenze, Italy) was used in order to analyse posterior corneal surface keratometry, shape and keratoconus screening indices, posterior corneal aberrations, corneal volume and pachymetry. RESULTS Patients with DS, when compared with healthy controls, have a steeper (mean keratometry 7 mm (KM) -6.30±0.44 vs -6.15±0.22; p0.05) in KM (-6.38±0.34), HOA (0.56±0.36), coma-like (0.51±0.34) and pachymetry (500.56±36.83). CONCLUSIONS Posterior corneal surface of patients with DS is steeper, more irregular and shows more higher order aberrations, as well as reduced volume and thinner pachymetry than patients with healthy corneas. Additionally, posterior corneal surface in patients with DS shows similar characteristics to those found in mild keratoconus. © Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.AIMS To investigate the effect of fundus tracking perimetry on structure-function relationship in glaucoma. METHODS Perimetric data were acquired with the Humphrey Field Analyzer (HFA) and the Compass fundus perimeter (CMP, equipped with fundus tracking). We included data from 696 eyes from 360 healthy people and 711 eyes from 434 patients with glaucoma from the original study, for which the circumpapillary retinal nerve fibre layer optical coherence tomography scan (Cp-RNFL) was available. We explored the structure-function relationship using both global indices (mean deviation and average Cp-RNFL thickness loss) and anatomically defined visual field clusters comparing the R2 values from mixed-effect models. We then measured the diagnostic ability of a combined Structure Function Index (SFI) using perimetric data from either perimeter. The comparisons were based on partial receiver operating characteristic curves with a minimum specificity of 75% and their areas under the curve. RESULTS The R2 for the global structure-function relationship was 0.50 for the CMP and 0.48 for the HFA. https://www.selleckchem.com/products/mrt68921.html When visual field clusters were included in the model, the R2 was 0.29 for CMP and 0.30 for HFA. Overall, the discrimination ability of the SFI was not significantly higher than the Cp-RNFL for either the CMP (p=0.07) or the HFA (p=0.14). However, it was significantly better in eyes with perimetric damage (p less then 0.001), in which the CMP-SFI performed significantly better than the HFA-SFI (p=0.03). CONCLUSIONS Structure-function relationship is similar between the two perimeters. Fundus tracking might improve discrimination ability with a combined SFI. TRIAL REGISTRATION NUMBER ISRCTN13800424. © Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.Sally Lowell is a Wellcome Trust Senior Research Fellow at the University of Edinburgh, UK. Her research group, which is based in the Centre for Regenerative Medicine, studies cell fate decisions in stem cells, focussing on how communication and interactions between cells can influence these decisions. Sally, who has been a long-serving committee member of the British Society for Developmental Biology, recently joined the Board of Directors at The Company of Biologists. We caught up with Sally to find out more about her career and her research, and why she's excited about her role at the Company. © 2020. Published by The Company of Biologists Ltd.Mutations in the Ultrabithorax (Ubx) gene cause homeotic transformation of the normally two-winged Drosophila into a four-winged mutant fly. Ubx encodes a HOX family transcription factor that specifies segment identity, including transformation of the second set of wings into rudimentary halteres. Ubx is known to control the expression of many genes that regulate tissue growth and patterning, but how it regulates tissue morphogenesis to reshape the wing into a haltere is still unclear. Here, we show that Ubx acts by repressing the expression of two genes in the haltere, Stubble and Notopleural, both of which encode transmembrane proteases that remodel the apical extracellular matrix to promote wing morphogenesis. In addition, Ubx induces expression of the Tissue inhibitor of metalloproteases in the haltere, which prevents the basal extracellular matrix remodelling necessary for wing morphogenesis. Our results provide a long-awaited explanation for how Ubx controls morphogenetic transformation. © 2020. Published by The Company of Biologists Ltd.
    Cat scratch disease (CSD) in humans is caused by infection with Bartonella henselae or other Bartonella spp. The name of the disease reflects the fact that patients frequently have a history of contact (often involving bites or scratches) with infected cats. Patients with CSD typically develop lesions at the site where the skin is broken together with regional lymphadenopathy but may go on to exhibit systemic symptoms and with deep-seated infections at a range of sites including the eye. Patients with CSD may present with a range of inflammatory eye conditions, including Parinaud's oculoglandular syndrome, neuroretinitis, multifocal retinitis, uveitis and retinal artery occlusion. Bartonella spp. are fastidious bacteria that are difficult to culture from clinical specimens so microbiological diagnosis is frequently made on the basis of positive serology for anti-Bartonella antibodies or detection of bacterial DNA by PCR. Due to the lack of clinical trials, the evidence base for optimal management of patients with CSD-associated eye infections (including the role of antibiotics) is weak, being derived from single reports or small, uncontrolled case series. © Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.AIMS To characterise posterior corneal surface features in patients with Down syndrome (DS) and to compare them with healthy and mild keratoconus corneas. METHODS This restrospective, comparative, non-randomised, clinical study included 123 eyes, divided into three groups (37 eyes of patients with DS, 46 with mild keratoconus and 40 controls), and took place at Vissum Alicante. Only patients with no previous ocular surgery, no corneal scars and no active ocular disease other than keratoconus were included. The Sirius System topographer (CSO, Firenze, Italy) was used in order to analyse posterior corneal surface keratometry, shape and keratoconus screening indices, posterior corneal aberrations, corneal volume and pachymetry. RESULTS Patients with DS, when compared with healthy controls, have a steeper (mean keratometry 7 mm (KM) -6.30±0.44 vs -6.15±0.22; p0.05) in KM (-6.38±0.34), HOA (0.56±0.36), coma-like (0.51±0.34) and pachymetry (500.56±36.83). CONCLUSIONS Posterior corneal surface of patients with DS is steeper, more irregular and shows more higher order aberrations, as well as reduced volume and thinner pachymetry than patients with healthy corneas. Additionally, posterior corneal surface in patients with DS shows similar characteristics to those found in mild keratoconus. © Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.AIMS To investigate the effect of fundus tracking perimetry on structure-function relationship in glaucoma. METHODS Perimetric data were acquired with the Humphrey Field Analyzer (HFA) and the Compass fundus perimeter (CMP, equipped with fundus tracking). We included data from 696 eyes from 360 healthy people and 711 eyes from 434 patients with glaucoma from the original study, for which the circumpapillary retinal nerve fibre layer optical coherence tomography scan (Cp-RNFL) was available. We explored the structure-function relationship using both global indices (mean deviation and average Cp-RNFL thickness loss) and anatomically defined visual field clusters comparing the R2 values from mixed-effect models. We then measured the diagnostic ability of a combined Structure Function Index (SFI) using perimetric data from either perimeter. The comparisons were based on partial receiver operating characteristic curves with a minimum specificity of 75% and their areas under the curve. RESULTS The R2 for the global structure-function relationship was 0.50 for the CMP and 0.48 for the HFA. https://www.selleckchem.com/products/mrt68921.html When visual field clusters were included in the model, the R2 was 0.29 for CMP and 0.30 for HFA. Overall, the discrimination ability of the SFI was not significantly higher than the Cp-RNFL for either the CMP (p=0.07) or the HFA (p=0.14). However, it was significantly better in eyes with perimetric damage (p less then 0.001), in which the CMP-SFI performed significantly better than the HFA-SFI (p=0.03). CONCLUSIONS Structure-function relationship is similar between the two perimeters. Fundus tracking might improve discrimination ability with a combined SFI. TRIAL REGISTRATION NUMBER ISRCTN13800424. © Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.Sally Lowell is a Wellcome Trust Senior Research Fellow at the University of Edinburgh, UK. Her research group, which is based in the Centre for Regenerative Medicine, studies cell fate decisions in stem cells, focussing on how communication and interactions between cells can influence these decisions. Sally, who has been a long-serving committee member of the British Society for Developmental Biology, recently joined the Board of Directors at The Company of Biologists. We caught up with Sally to find out more about her career and her research, and why she's excited about her role at the Company. © 2020. Published by The Company of Biologists Ltd.Mutations in the Ultrabithorax (Ubx) gene cause homeotic transformation of the normally two-winged Drosophila into a four-winged mutant fly. Ubx encodes a HOX family transcription factor that specifies segment identity, including transformation of the second set of wings into rudimentary halteres. Ubx is known to control the expression of many genes that regulate tissue growth and patterning, but how it regulates tissue morphogenesis to reshape the wing into a haltere is still unclear. Here, we show that Ubx acts by repressing the expression of two genes in the haltere, Stubble and Notopleural, both of which encode transmembrane proteases that remodel the apical extracellular matrix to promote wing morphogenesis. In addition, Ubx induces expression of the Tissue inhibitor of metalloproteases in the haltere, which prevents the basal extracellular matrix remodelling necessary for wing morphogenesis. Our results provide a long-awaited explanation for how Ubx controls morphogenetic transformation. © 2020. Published by The Company of Biologists Ltd.
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