نتایج جستجو برای: polymorphisms
تعداد نتایج: 66841 فیلتر نتایج به سال:
metabolic syndrome (mets) is characterized by a cluster of cardiovascular risk factors that include: abdominal obesity, dyslipidaemia, hypertension, insulin resistance and impaired glucose tolerance. recent genome wide association studies have identified several susceptibility regions involved in lipid metabolism that are also associated with mets. we have explored the association of 9 genetic ...
abstract background: gastric cancer is one of the most common malignant tumors in iran. hypomethylation and/or hypermethylation of dna have been described in gastric cancer and is presumed to be an early event in this process. objective: we hypothesized that single nucleotide polymorphisms of dnmt1 gene may be associated with the genetic susceptibility to gastric cancer. methods: 200 patients a...
background: half of the cases of vision loss in people under 60 years of age have been attributed to age-related macular degeneration (amd). this is a multifactorial disease with late onset. it has been demonstrated that many different genetic loci are implicated in the risk of developing amd in different populations. in the current study, we investigated the association of high-temperature re...
background: breast cancer is the most common malignancy among women. it is estimated that 1 in 10 women worldwide is affected by breast cancer during their lifetime. in 5 to 10% of breast cancer patients, the disease results from a hereditary predisposition, which can be attributable to mutations in either of two tumor suppressor genes, brca1 and brca2 to a large extent. brca2 6174delt mutation...
background: during recent years, infection of acinetobacter baumanii showed a rapid growth in hospitals and community. toll-like receptors (tlrs) are the most important pattern recognition receptors, which play a critical role during recognizing invading pathogens by the natural immune system. our objective was to determine the associations of tlrs polymorphisms with the susceptibility to a. ba...
Abstract There was a difference in the genetic profiles of CYP21 genotype, it showed three polymorphisms: 250/240, 260/251 and 270/261 bp, their distribution ratios were 51.72, 29.31, 18.96%, respectively. The percentages highly significant differences (P≤0.01), total studied alleles 116. study that there no production milk its components between polymorphisms, as well rate flow. (P≤0.05) diffe...
Abstract Background Vitamin D is a fat-soluble vitamin that regulates calcium and phosphorous homeostasis to maintain healthy mineralized skeleton. It can also influence immune responses has immunomodulatory properties. receptor (VDR) nuclear mediates the activities of hormonal form D. VDR polymorphisms alter immunity susceptibility infections by modulating expression activity. This study aimed...
Background: Thousands of genes are involved in spermatogenesis. Alterations in any of these genes could lead to male infertility. Moloney leukemia virus 10-Like 1 (Mov10l1) gene is one of the genes that are expressed specifically in germ cells. Genetic disruption of this gene in mouse stops spermatogenesis during Meiosis I and causes azoospermia. Materials and Methods: In this study, the geneti...
Actins play essential roles in cellular morphogenesis. In mice, the t-actin 1 and 2 genes, which encode actin-like proteins, are specifically expressed in haploid germ cells. Both T-ACTIN 1/ACTLB and T-ACTIN 2/ACTL7A have also been cloned as orthologous genes in humans; they are present on chromosome 9q31.3 as intronless genes. Defects of germ cell-specific genes can introduce infertility witho...
در مطالعه حاضر دو پلی مرفیسم تک نوکلئوتیدی single nucleotide polymorphisms;(snps) در نواحی t129c در اگزون 1 و t1236c در اگزون 12 ، ژن mdr1 در 200 بیمار مصروع ایرانی ( شامل دو گروه بیماران مصروع مقاوم به دارودرمانی و بیماران مصروع پاسخ دهنده به درمان دارویی، هر گروه 100 نفر) در کنار 100 نفر سالم به روشrflp pcr- مورد بررسی و تعیین ژنوتیپ قرار گرفت و فراوانی ژنوتیپ و هاپلوتیپی در این سه دسته مقایس...
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