نتایج جستجو برای: t allele
تعداد نتایج: 830119 فیلتر نتایج به سال:
Association between single nucleotide polymorphisms of TPH1 and TPH2 genes, and depressive disorders
Tryptophan catabolites pathway disorders are observed in patients with depression. Moreover, single nucleotide polymorphisms of tryptophan hydroxylase genes may modulate the risk of depression occurrence. The objective of our study was to confirm the association between the presence of polymorphic variants of TPH1 and TPH2 genes, and the development of depressive disorders. Six polymorphisms we...
objective(s): foxp3 gene is an x-linked gene that encodes foxp3 protein, an essential transcription factor in cd4+cd25+foxp3+ regulatory t (treg) cells. we aimed, in the present study, to investigate the association of two foxp3 polymorphisms, -2383 c/t (rs3761549) and ivs9+459 t/c (rs2280883), with lung cancer. materials and methods: in a case-control study we analyzed genotypes and alleles ...
OBJECTIVE To assess whether combined evidence shows the association between the protein tyrosine phosphatase non-receptor 22 (PTPN22) C1858T polymorphism and autoimmune diseases, and to summarize the effect size of the polymorphism associated with susceptibility of autoimmune diseases. METHODS We surveyed studies on the PTPN22 C1858T polymorphism and autoimmune diseases using comprehensive Me...
OBJECTIVE A common polymorphism in the promoter of the apolipoprotein B (apoB) gene, a C to T change at position -516, increases the transcription rate of apoB, resulting in elevated circulating levels of low-density lipoprotein (LDL) cholesterol. METHODS AND RESULTS We tested the hypothesis that carriers of the -516T allele, who may display consistent elevation in plasma cholesterol over the...
Background and Objective: Ecto-nucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1) is a class II membrane glycoprotein that binds to insulin α receptor and can interfere in insulin signaling pathway. Transcription factor-7-like 2 (TCF7L2) is a transcription factor which plays a critical role in pancreatic β cell activity. ENPP1 and TCF7L2 gene polymorphisms may have functional role in suscep...
Background: Gastric cancer is one of the most common malignancies in the world. It may result from a defect in the genes involved in DNA repair. One of the essential genes in the repair pathway is the XRCC1 gene that its polymorphisms in the human population play a role in gastric cancer susceptibility. The main purpose of this study was to investigate the association of 194C/T and 399G/A polym...
OBJECTIVE Mechanisms underlying the cardiovascular risk of lipoprotein(a) are poorly understood. We investigated the relationship of apolipoprotein(a) (apo(a)) size, lipoprotein(a), and allele-specific apo(a) levels with HIV disease activity parameters in a biethnic population. METHODS AND RESULTS Lipoprotein(a) and allele-specific apo(a) levels were determined in 139 white and 168 black HIV-...
BACKGROUND Several genes coding for different cytokines may affect host susceptibility to tuberculosis. METHODS In the present study, the allele and genotype frequencies of a number polymorphic genes coding for cytokines or cytokine receptors were investigated in Iranian patients with pulmonary tuberculosis (PTB). RESULTS From the IL-1 cluster, a positive, significant difference was found a...
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