نتایج جستجو برای: rs12108497 polymorphism
تعداد نتایج: 107339 فیلتر نتایج به سال:
Introduction: A common polymorphism 4G/5G in the promoter region of the Plasminogen activator inhibitor-1 (PAI-1) gene has been reported to influence the expression levels of PAI-1. According to the evidence, progression of breast cancer can be associated with elevated levels of PAI-1, it seems that evaluation of a possible correlation between the polymorphism and clinical status of breast canc...
Introduction: Infertility is described as the inability to get pregnant after one year of unprotected intercourse. About half of infertility cases are because of male factors. Idiopathic azoospermia or severe oligozoospermia caused by genetic alterations is a significant part of male infertility. A key step of spermatogenesis is crossover events during meiotic reciprocal recombination. MLH3 pro...
Introduction: Leptin, the obese (ob) gene product, is a cytokine-like hormone secreted mainly from adipose tissue acting on a receptor site in the hypothalamus to inhibit food intake and stimulate energy expenditure. A G-2548G polymorphism in the leptin gene promoter has a strong influence on leptin gene expression and adipose tissue secretion. The aim of this study was to examine the associati...
Background and purpose: Cytokines are a group of endogenous proteins which play an influential role in regulating the inflammatory responses and defeating infectious diseases. Elevated levels of proinflammatory cytokines and their receptors are usually observed in association with immune responses against viral infections such as hepatitis B virus (HBV) infection. IL 12 and its receptor play an...
Background: Indirect genetic diagnosis using polymorphic DNA markers can detect carriers of hemophilia A. This technique is preferable in developing countries because of its simplicity and cost effectiveness compared to direct mutation analysis. In the present study, we examined usefulness of intragenic marker BclI restriction fragment length polymorphism (RFLP) at intron 18, for carrier detect...
Introduction: Vitamin D fulfills its crucial role in cell proliferation and death through signal transduction into the nucleus by vitamin D receptor (VDR). Recent studies have depicted the association between VDR gene polymorphisms and different cancers, including breast cancer. This study attempted to consider the relationship between VDR gene polymorphisms and breast cancer risk among women i...
BackgroundAttention deficit hyperactivity disorder (ADHD), is a multifactorial disorder and converging evidence has implicated abnormalities of dopamine neurotransmission. The aim of this study was to examine the association of -141 polymorphisms in DRD2 gene with ADHA among Iranian-Azeri population.Materials and Methods A case–control association study included 153 patients with attention defi...
Background: Vitiligo is an acquired skin disorder that selectively destroys melanocytes in epidermis with an unknown etiology. Objective: To investigate the exon 1 A49G polymorphism of cytotoxic T lymphocyte antigen-4 (ctla-4) gene in vitiligo patients. Methods: The A49G polymorphism was detected by Polymerase Chain Reaction-Restriction Fragment Length Polymorphism (PCR-RFLP) method in 101...
Introduction: Studies show polymorphism in leptin gene cause increase in level of leptin hormone and increased level of leptin hormon is associated with abosity, insulin resistance and increased risk of colorectal cancer. The aim of this study was to assess the incidence of leptin gene polymorphism rs 7799039 in Tehran and to investigate the influence of this polymorphism in increased risk of c...
Introduction: Vitamin D fulfills its crucial role in cell proliferation and death through signal transduction into the nucleus by vitamin D receptor (VDR). Recent studies have depicted the association between VDR gene polymorphisms and different cancers, including breast cancer. This study attempted to consider the relationship between VDR gene polymorphisms and breast cancer risk among women i...
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