نتایج جستجو برای: allele frequency
تعداد نتایج: 614061 فیلتر نتایج به سال:
Background Attention deficit hyperactivity disorder (ADHD) is a common behavioral disorder that affects 8-12% of school-age children. Several environmental and genetic factors play a role in the etiology of this disease. One of the genetic factors involved is dopamine beta-hydroxylase (DBH) gene, which plays an essential role in catecholamine synthesis by converting dopamine into norepinephrine...
Background and purpose: Mutation in factor V Leiden (R506Q), mutation of G20210Â in prothrombin and mutation of Ç667T in methylenetetrahydrofolate reductase (MTFHR) are part of genetic variant that increase the risk of thrombosis. The purpose of this study was to define the frequencies of three risk factors among thalassaemia major and thalassaemia intermedia compared with the normal subjects...
The object of the present study was to investigate the association between common CETP polymorphism, TaqI in intron 1, and high density lipoprotein levels in Tehran population. In order to examine the relationship between B2 allele and HDL-C level, 356 people with the lowest, medium and highest deciles of HDL cholesterol levels were selected out of 993 healthy subjects from TLGS. Fa...
Melanocortin-4 receptor (MC4R) gene has been known as a candidate gene for growth traits in livestock. This research was aimed to identify the polymorphism of MC4R gene and its association with growth traits in Sumba Ongole (SO) cattle. The growth traits data consist of body weight and body size. Eighty four blood samples were collected and used for DNA isolation. The...
The CYP2A6 gene, which codes the enzyme, has known to have ahigh polymorphism. This polymorphism could decrease, increase, or eliminate enzyme activity. CYP2A6*4 , an inactive allele, decreased One of enzyme-specific substrates is nicotine. allele decrease nicotine metabolism that causes high levels in blood. In addition, it caused increasing Low-Density Lipoprotein Cholesterol (LDL-C) by expan...
Background: Factor V Leiden, Prothrombin gene (G20210A) and MTHFR (C677T) polymorphism are the main biomarkers for evaluation of tendency for venous thromboembolism. We aimed to investigate the frequency of mutations in factor V Leiden, Prothrombin G20210A and MTHFR C677T and identify the genetic status for these mutations in patients with venous thrombosis. Methods: This study was carried out...
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