نتایج جستجو برای: موتاسیون c677t
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UNLABELLED The aim of this study was to evaluate the association and interaction of genotypic polymorphisms in methylenetetrahydrofolate reductase (MTHFR) and environmental factors with lung cancer in Taiwan. Two well-known polymorphic variants of MTHFR, C677T (rs1801133) and A1298C (rs1801131), were analyzed in association with lung cancer susceptibility, and discussed their joint effects with...
Mild hyperhomocysteinemia is a risk factor for atherosclerotic vascular disease. Homozygosity for the C677T mutation in the gene for 5,10-methylenetetrahydrofolate reductase (MTHFR) is frequently associated with hyperhomocysteinemia, particularly in individuals with low levels of serum folate, and has been directly associated with cardiovascular disease in certain populations. The purpose of th...
سابقه و هدف: سرطان دهانه رحم یکی از سرطان های شایع در زنان می باشد. فاکتورهای متعددی در ابتلا به این سرطان نقش دارند که می توان به عفونت پاپیلوما ویروس (hpv)، تغییرات اپی ژنتیکی از جمله متیلاسیون غیرطبیعی پروموتر ژن متیلن تتراهیدروفولات ردوکتاز (mthfr) و برخی پلی مورفیسم ها از جمله، پلی مورفیسم mthfr c677t اشاره کرد. mthfr آنزیمی است که در تنظیم متابولیسم فولات و متیونین نقش دارد. هدف از این تح...
PURPOSE Behcet's disease (BD) is a multisystemic immunoinflammatory disorder characterized by mucocutaneous, ocular, vascular, and central nervous system manifestations. The common methylene tetrahydrofolate reductase (MTHFR) gene C677T mutation is a known risk factor for thrombosis. The aim of this study was to investigate the MTHFR gene C677 mutation in patients with BD and evaluate if there ...
Prostate cancer is the most common cause of cancer death in men and is a major health problem worldwide. Methylene tetrahydrofolate reductase (MTHFR) plays an important role in folate metabolism and is also an important source of DNA methylation and DNA synthesis (nucleotide synthesis). To assess the association and interaction of genotypic polymorphisms in MTHFR and lifestyle factors with pros...
PURPOSE Methylenetetrahydrofolate reductase (MTHFR) has been implicated in lung cancer risk and response to platinum-based chemotherapy in advanced non-small cell lung cancer (NSCLC). However, the results are controversial. We performed meta-analysis to investigate the effect of MTHFR C677T polymorphism on lung cancer risk and response to platinum-based chemotherapy in advanced NSCLC. MATERIA...
Association between neural tube defects (NTDs) and C677T polymorphism of the methylenetetrahydrofolate reductase (MTHFR) gene was suspected, because the MTHFR gene codes for a key enzyme in folate metabolism. Its deficiency usually leads to significant reductions in plasma concentrations of folate, vitamin B(12) and methionine, whereas homocysteine levels are increased. We examined folate, vita...
OBJECTIVE Several studies with contradictory results from different cultures about association of methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism in schizophrenia and bipolar disorders. Little is known about this association in Arab culture and Egypt. So the present study aimed to assess the association of MTHFR C677T polymorphism in bipolar disorder (BD) and schizophrenia in com...
چکید ه سابقه و هدف در خلال بارداری آنتیبادیهای ضدآنتیژنهای غیر شایع گروههای خونی که از طریق تزریق خون و یا حاملگیهای قبلی القا میشوند، میتوانند بهطور جدی سلامت جنین را تهدید نمایند. در این گزارش یک مورد از آلوایمونیزاسیون مادر با آنتیژن Kell شرح داده شده است. مورد بیمار 23 ساله که در تاریخچه پزشکی خود یک مول ناقص و چهار مرگ داخل رحمی جنین بهعلت هیدروپس فتالیس را ذکر میکرد...
The aim of this study was to examine the association of homozygosity for the methylenetetrahydrofolate reductase (MTHFR) C677T mutation and vitamin B12 deficiency in 360 asymptomatic individuals and to investigate forearm endothelial function in C677T homozygotes. MTHFR C677T mutation and levels of vitamin B12, folic acid, and homocysteine were measured in study participants. Frequency of homoz...
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