نتایج جستجو برای: transferase m1
تعداد نتایج: 48428 فیلتر نتایج به سال:
Interindividual differences in lung cancer susceptibility may be mediated in part through polymorphic variability in the bioactivation of procarcinogens. GSTM1 status has been extensively studied in this context as a lung cancer risk factor, although published studies have produced conflicting results. To clarify the impact of GSTM1 status on lung cancer risk a meta-analysis of 23 case-control ...
Hepatic venoocclusive disease (HVOD) in bone marrow transplantation (BMT) is attributed to toxicity of cytoreductive agents, especially busulfan and cyclophosphamide, in the conditioning therapy. Busulfan, as well as the metabolites of cyclophosphamide, are conjugated with glutathione (GSH), catalyzed by enzymes of the glutathione S-transferase (GST) family. To assess the impact of polymorphism...
BACKGROUND Polymorphic variations in GSTM1 and GSTT1 have been implicated as risk factors for various cancers. A number of studies conducted to assess their association with susceptibility to laryngeal carcinomas have yielded inconsistent and inconclusive results. In the present study, the possible association of laryngeal cancer risk with GSTM1 and GSTT1 null genotypes was explored by a meta a...
UNLABELLED This work was carried out to investigate the role of Glutathione S-Transferase M1 (GSTM1) null genotype frequency in prognosis of β-thalassemia, and to detect the correlation between GSTM1 null genotype and appearance of cardiac complications in β-thalassemia. MATERIALS AND METHODS The studied groups in the present work were divided to three groups (group I: 20 healthy subjects, gr...
PURPOSE Glutathione S-transferases (GSTs) are a family of enzymes that inactivate xenobiotics and endogenous end products formed as secondary metabolites during oxidative stress. In humans, GSTT1 and GSTM1 deletion genotypes (T0M1, T1M0, and T0M0) are associated with a variety of pathologic processes including certain ophthalmologic diseases. METHODS We compared the prevalence of GSTT1 and GS...
Genotypes responsible for interindividual differences in ability to activate or detoxify genotoxic agents are recognized as biomarkers of susceptibility. Among the most studied genotypes are human glutathione transferases. The relationship of genetic susceptibility to biomarkers of exposure and effects was studied especially in relation to the genetic polymorphism of glutathione S-transferase M...
OBJECTIVES Glaucoma is the second leading cause of blindness and it is related to oxidative stress based on numerous studies. Glutathione S-transferases (GSTs) are members of multigenic family, which have important role in cells as an antioxidant. In the present study, we examined the polymorphism of GSTT1 and GSTM1 deletion genotypes (T0M1, T1M0, and T0M0) in 100 Glaucoma patients (41with prim...
Pooled analysis and meta-analysis of glutathione S-transferase M1 and bladder cancer: a HuGE review.
Smoking is a known risk factor for bladder cancer. The product of the GSTM1 gene, glutathione S-transferase M1 (GSTM1), is involved in the detoxification of polycyclic aromatic hydrocarbons found in tobacco smoke; a homozygous deletion of this gene in approximately 50% of Caucasians and Asians results in a lack of GSTM1 enzyme activity. Most studies examining the relation between bladder cancer...
Deletion polymorphisms for the glutathione S-transferase (GST) gene are associated with increased risk of cancer, and are implicated in detoxifying mutagenic electrophilic compounds. GST Polymorphic variants were reported for different populations. The aim of this study was to investigate the frequencies of GSTM1 and GSTT1 null genotypes among Bahraini, Lebanese and Tunisian Arabs. GST genotypi...
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