Causal effects of circulating lipids and lipid-lowering drugs on the risk of atopic dermatitis: a mendelian randomization study.

Lipid metabolism disorders are frequently noted in atopic dermatitis (AD) patients, prompting the long-term use of lipid-lowering drugs. However, the causal effects of circulating lipids and different lipid-lowering drugs on the risk of AD are not thoroughly understood. Using publicly available genome-wide association studies (GWAS) summary data from two different cohorts, a series of Mendelian randomization (MR) analyses were conducted to explore the causal effects of genetically proxied circulating lipids and lipid-lowering drugs on the risk of AD.

Eosinophil extracellular traps drive T follicular helper cell differentiation via VIRMA-dependent MAF stabilization in bullous pemphigoid.

Background: Bullous pemphigoid (BP) is an autoimmune blistering disease characterized by the presence of pathogenic autoantibodies and a substantial influx of immune cells into skin lesions. However, the role of eosinophils in BP remains inadequately elucidated.

Objective: We sought to determine the pathologic involvement of eosinophils and eosinophil extracellular traps (EETs) in BP.

Associations of serum DNA methylation levels of chemokine signaling pathway genes with mild cognitive impairment (MCI) and Alzheimer's disease (AD).

Objective: To investigate the associations of serum DNA methylation levels of chemokine signaling pathway genes with Alzheimer's disease (AD) and mild cognitive impairment (MCI) in elderly people in Xinjiang, China, and to screen out genes whose DNA methylation could distinguish AD and MCI.

Materials And Methods: 37 AD, 40 MCI and 80 controls were included in the present study. DNA methylation assay was done using quantitative methylation-specific polymerase chain reaction (qMSP).

Assessment of relationships between bullous pemphigoid and neurological diseases: A bidirectional two-sample Mendelian randomization study.

Bullous pemphigoid (BP) is the most prevalent autoimmune vesiculobullous skin illness that tends to affect the elderly. Growing evidence has hinted a correlation between BP and neurological diseases. However, existing observational studies contained inconsistent results, and the causality and direction of their relationship remain poorly understood.

Significant association of 3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR) rs3846662 and sirtuin 1 (SIRT1) rs7895833 and apolipoprotein E (APOE) hypermethylation with mild cognitive impairment (MCI).

Our study investigated the association of five genes with MCI in the Xinjiang Uygur population in China. In addition, we also analyzed the association between APOE methylation and MCI.Forty-three MCI and 125 controls were included in the present study.

Association of multiple candidate genes with mild cognitive impairment in an elderly Chinese Uygur population in Xinjiang.

Background: Mild cognitive impairment (MCI) is a high-risk factor for Alzheimer's disease (AD). In the present study, we investigated the association of genetic polymorphisms of five genes (8-oxoguanine DNA glycosylase 1 (OGG1), bridging integrator 1 (BIN1), sortilin-related receptor 1 (SORL1), presenilin 2 (PSEN2) and nerve growth factor (NGF)) with MCI risk in a Xinjiang Uygur population. We also tested the relationship between the promoter methylation of genes OGG1 and dihydrolipoamide S-succinyltransferase (DLST) with MCI.

[Association of KCNE1 and KCNE4 gene polymorphisms with atrial fibrillation among Uygur and Han Chinese populations in Xinjiang].

Objective: To assess the association of KCNE1 (rs1805127) and KCNE4 (rs12621643) polymorphisms with atrial fibrillation (AF) among ethnic Uygur and Han Chinese in Xinjiang.

Methods: A case-control study was carried out. The patients and controls were selected based on ethnicity, gender and age with an 1:1 ratio.

Bioequivalence of two oseltamivir formulations in healthy Chinese volunteers .

Background: The aim of this study was to compare the bioavailability of a new generic formulation of oseltamivir 75-mg capsule (test) and a branded formulation Tamiflu (reference) to meet regulatory criteria for marketing the test product in healthy Chinese male volunteers.

Methods: This single-dose, randomized-sequence, open-label, two-period crossover study was conducted in fasted healthy Chinese male volunteers, who first received a single oral dose of the test or reference formulation with a 7-day washout period, and then the alternative formulation. The study drug was administered after a 10-hour overnight fast.

Comparison of LC-MS/MS vs chemiluminescent microparticle immunoassay in measuring the valproic acid concentration in plasma of epilepsy patients in a new perspective.

Objectives: This study was designed to compare the performance of LC-MS/MS with chemiluminescent microparticle immunoassay (CMIA) for determination of VPA in epilepsy patients in the perspective of metabolites' hepatotoxicity.

Method: Samples were collected and then analyzed using both LC-MS/MS and CMIA. A LO2 cells (normal human hepatic cells) experiment was carried out to confirm VPA metabolites' hepatotoxicity using AST(Aspertate Aminotransferase, AST), ALT(Alanine aminotransferase, ALT) and LDH(lactate dehydrogenase, LDH) in supernate as index.

[Epidemiological survey of atrial fibrillation among Uygur and Han elderly people in Xinjiang Uygur autonomous region].

Objective: To investigate prevalence of atrial fibrillation (AF) in Uygur and Han elderly populations in Xinjiang Uygur autonomous region (Xinjiang).

Methods: Epidemiological survey was conducted among the residents selected through stratified random cluster sampling in the southern, northern and eastern Xinjiang.

Results: The overall AF prevalence among Uygur and Han elderly people was 3.

[Association of vitamin D receptor gene polymorphisms with mild cognitive impairment among elderly ethnic Uygurs].

Objective: To assess the association of vitamin D receptor gene (VDR) Apa I, Bsm I genotypes and allele frequencies and mild cognitive impairment (MCI) among elderly ethnic Uygurs from Xinjiang, China.

Methods: The polymorphisms of the VDR genotypes (Apa I and Bsm I) were analyzed by the SNaPshot method in 124 MCI patients and 124 controls.

Results: Factors which can increase the risk for MCI have included the A allele of the Apa I polymorphism [OR=1.

Mild cognitive impairment risk factor survey of the Xinjiang Uyghur and Han elderly.

To understand risk factors of the Xinjiang Uyghur, Han two ethnic elderly with mild cognitive impairment (mild cognitive impairment, MCI), and provide evidence for in-depth study of the causes and prevention of MCI. The MCI epidemiological survey was based on Xinjiang Uyghur and Han residents with 60 years of age or older. The total number of participants is 5398, including 3931 Uyghur residents, and 1467 Han residents.

The effect of SIRT1 gene polymorphisms on ambulatory blood pressure of hypertensive patients in the Kazakh population.

Objective: To investigate the effect of silent information regulator 1 (SIRT1) gene polymorphisms on ambulatory blood pressure in hypertensive patients.

Methods: Three hundred forty hypertensive patients were recruited from January 2013 to January 2015. SIRT1 Tag single-nucleotide polymorphisms (SNPs; rs2273773, rs4746720, and rs7896005) were genotyped using a PCR-direct sequencing method, and the association between the SIRT1 gene SNPs and ambulatory blood pressure was analyzed.

Relationship between vitamin D receptor gene polymorphism and mild cognitive impairment in elderly Uygur people.

To explore the relationship between vitamin D receptor gene (ApaI, BsmI) genotypes and allele frequency and mild cognitive impairment in Xinjiang Uygur population. The polymorphisms of the VDR genotypes (ApaI and BsmI) were analyzed by Snapshot method in 124 MCI patients and 124 controls. A allele of ApaI gene increased the risk of MCI [OR = 1.

Validation of an LC-MS/MS method for quantitative analysis of the 5 bioactive components of Wuzhi capsule in human plasma samples.

Background: Wuzhi capsule (WZC) is an ethanol extract from the ripe fruit of Schisandra sphenanthera in traditional Chinese medicine that has long been used to treat viral and drug-induced hepatitis in China. The principal active components in WZC are Schisandra lignans. The clinical pharmacokinetics of these components in the form of an oral WZC preparation is unknown.

[Association of single nucleotide polymorphism of KCNE1 and KCNE4 gene with atrial fibrillation in Xinjiang Uygur and Han population].

Objective: To investigate the association between the KCNE1 gene G38S and the KCNE4 gene E145D and atrial fibrillation in Uygur and Han populations living in Xinjiang.

Methods: KCNE1 gene G38S and the KCNE4 gene E145D genotype and frequency were determined using PCR restriction fragment length polymorphism (PCR-RFLP) in 488 atrial fibrillation patients (237 Uygur and 251 Han residents) and 488 age-and-gender matched controls (237 Uygur and 251 Han residents).

Results: Genotype and allele frequency of KCNE1 gene G38S were similar between atrial fibrillation group and control group in the Han population (P = 0.

Rapid and sensitive liquid chromatography coupled with electrospray ionization tandem mass spectrometry method for the analysis of paclitaxel, docetaxel, vinblastine, and vinorelbine in human plasma.

Background: A rapid and sensitive analytical method using liquid chromatography coupled with electrospray ionization tandem mass spectrometry (LC-MS/MS) was developed for the determination of paclitaxel, docetaxel, vinblastine, and vinorelbine in human plasma.

Methods: A simple liquid-liquid extraction procedure was applied using only 100-μL plasma. Chromatographic separation of these anticancer drugs was achieved with an isocratic mobile phase consisting of acetonitrile/aqueous buffer (10 mmol/L ammonium acetate and 0.

Common gene variants in RAD51, XRCC2 and XPD are not associated with clinical outcome in soft-tissue sarcoma patients.

Background: DNA repair mechanisms play a major role in cancer risk and progression. Germline variants in DNA repair genes may result in altered gene function and/or activity, thereby causing inter-individual differences in a patient's tumor recurrence capacity. In genes of the DNA repair pathway the gene variants RAD51 rs1801320 G>C, XRCC2 rs3218536 G>A and XPD rs13181 A>C have been previously related to genetic predisposition and prognosis of various cancer entities.

Changes in microRNAs expression are involved in age-related atrial structural remodeling and atrial fibrillation.

Background: Small noncoding microRNAs regulate gene expression in cardiac development and disease and have been implicated in the aging process and in the regulation of extracellular matrix proteins. However, their role in age-related cardiac remodeling and atrial fibrillation (AF) was not well understood. The present study was designed to decipher molecular mechanisms underlying age-related atrial structural remodeling and AF.

Accelerated fibrosis and apoptosis with ageing and in atrial fibrillation: Adaptive responses with maladaptive consequences.

The aim of this study was to investigate whether abnormal expression of matrix metalloproteinase (MMP)-9/tissue inhibitors of MMPs (TIMP)-1 and B cell lymphoma 2 (BCL-2)/BCL-2-associated X protein (BAX) are correlated with the characteristic accelerated fibrosis and apoptosis during ageing and in atrial fibrillation (AF). Four groups of dogs were studied: adult dogs in sinus rhythm (SR), aged dogs in SR, adult dogs with AF induced by rapid atrial pacing and aged dogs with AF induced by rapid atrial pacing. The mRNA and protein expression levels of the target gene in the left atrium were measured by quantitative reverse transcription-polymerase chain reaction (RT-PCR) and western blot analysis.

Association between KCNE1 (G38S) genetic polymorphism and non-valvular atrial fibrillation in an Uygur population.

Background: The relationship between KCNE1 G38S genetic polymorphism and non-valvular atrial fibrillation is different among different populations. The study explored the KCNE1 G38S to understand if the KCNE1 G38S is associated with the Uygur atrial fibrillation patients.

Methods: KCNE1 G38S genetic polymorphism was determined between 237 non-valvular atrial fibrillation cases and 237 control subjects using PCR-RFLP.

Association between apolipoprotein E gene polymorphism and Alzheimer's disease in Uighur and Han populations.

Aim: Currently, there are almost 100 genes related to Alzheimer's disease (AD), and studies have indicated that apolipoprotein E (APO E) ε4 allele is a genetic risk factor of AD. However, there have been no reports of the distributions of APO E genotypes and allele frequencies in Uighur and Han AD patients.

Methods: We analyzed APO E gene polymorphism in 209 AD cases diagnosed based on National Institute of Neurological and Communicative Disorders and Stroke and Alzheimer's Disease and Related Disorders Association and 220 non-dementia controls.

LC-MS/MS method for simultaneous determination of valproic acid and major metabolites in human plasma.

A rapid and sensitive method using liquid chromatography-tandem mass spectroscopy (LC-MS/MS) was developed and validated for simultaneous quantitative determination of valproic acid and three major metabolites (3-OH-valproic acid, 4-ene-valproic acid and 5-OH-valproic acid) in human plasma. The analytes and internal standard were isolated from 200 μL samples by solid phase extraction using a ZORBAX SB-C₈ column (3.5 μm, 2.

An liquid chromatography-tandem mass spectrometry assay for determination of trace amount of new antifungal drug iodiconazole in human plasma.

A simple, rapid and sensitive LC-MS/MS method for determination of trace amount of new antifungal drug iodiconazole in human plasma was developed (1-(1H-1,2,4-triazole)-2-(2,4-diflurophenyl)-3-[N-methyl-N-(3-chlor-benzyl)amino]-2-propanol), was used as internal standard (IS). The analytes were extracted by liquid-liquid extraction with n-hexane after internal standard spiked. The separation was performed by a ZORBAX SB-C(18) column (3.