نتایج جستجو برای: arg72pro
تعداد نتایج: 196 فیلتر نتایج به سال:
The p53 tumor suppressor gene plays two important roles in genomic stability: blocking cell proliferation after DNA damage until it has been repaired, and starting apoptosis if the damage is too critical. Codon 72 exon4 polymorphism (Arg72Pro) of the P53 gene has been implicated in cancer risk. Various studies have been done to investigate the status of p53 at codon 72 for arginine (Arg) and pr...
Epidemiological studies in endemic geographic regions for esophageal squamous cell carcinoma (ESCC) suggested a number of risk factors, including modifications of the p53 tumor suppressor by codon Arg72Pro polymorphism, loss of heterozygosity (LOH) or human papillomavirus type 16 or 18 (HPV 16/18) infection. The p53 Arg72 variant has been suggested to be a high-risk factor in HPV-associated tum...
PURPOSE This study aimed to evaluate the prognostic significance of two functional single nucleotide polymorphisms (SNP) in the p53 pathway (p53 Arg72Pro and MDM2 T309G) in patients with esophageal cancer, and to determine the importance of histologic subtype in the SNP-outcome relationships. EXPERIMENTAL DESIGN A cohort of 371 patients with esophageal carcinoma enrolled in Boston, USA from 1...
BACKGROUND The TP53 rs1042522 polymorphism (c.215C>G, Arg72Pro) has been extensively investigated as a potential risk factor for colorectal cancer, but the results have thus far been inconclusive. METHODS We searched multiple electronic databases to identify studies investigating the association between the Arg72Pro polymorphism and colorectal cancer. Individual study odds ratios (OR) and the...
A CYP1A1 polymorphism has been associated with an increased risk for gallbladder cancer (GBC) in Japanese women. However, genetic risk factors for GBC in Hungary, where the population has a relatively high GBC incidence, has not been well studied. We therefore tested associations between CYP1A1 T3801C, CYP1A1 Ile462Val, GSTM1deletion, and TP53 Arg72Pro and GBC in Hungary. Genomic DNA was extrac...
Papillary thyroid carcinoma (PTC) etiologically occurs as a radiation-induced or sporadic malignancy. Genetic factors contributing to the susceptibility to either form remain unknown. In this retrospective case-control study, we evaluated possible associations between single-nucleotide polymorphisms (SNPs) in the candidate DNA damage response genes (ATM, XRCC1, TP53, XRCC3, MTF1) and risk of ra...
Studies on human fertility genes have identified numerous risk/protective alleles involved in the occurrence of reproductive system diseases causing infertility or subfertility. Investigations we carried out in populations at natural fertility seem to suggest that the clinical relevance that some fertility genes are now acquiring depends on their interaction with contemporary reproductive behav...
Purpose: The germ-line polymorphisms TP53 Arg72Pro and MDM2 SNP309 T>G are risk factors for tumor development and affect response to chemotherapy and survival in several cancers, but their prognostic and predictive value in patients with high-grade osteosarcomas is not yet defined. The purpose of this study was to investigate the effect of the TP53 Arg72Pro and the MDM2 SNP309 on the risk of os...
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