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This study was designed to define the potential clinical relevance of identifying alterations affecting p53 pathway in bladder cancer and to test a new, low-cost, high-throughput, and array-based TP53 sequencing technology. Tumor samples from 140 evaluable patients with bladder cancer were analyzed with two methods to detect TP53 gene mutations, including(More)
p63, a member of the p53 gene family, encodes multiple proteins that may either transactivate p53 responsive genes (TAp63) or act as a dominant-negative factor toward p53 and p73 (Delta Np63). p63 is expressed in many epithelial compartments and p63(-/-) mice fail to develop skin, prostate, and mammary glands among other defects. It has been previously(More)
Tobacco smoke and its metabolites are carcinogens that increase tissue oxidative stress and induce target tissue inflammation. We hypothesized that genetic variation of inflammatory pathway genes plays a role in tobacco-related carcinogenesis and is modified by tobacco smoking. We evaluated the association of 12 single nucleotide polymorphisms of 8(More)
BACKGROUND Although cigarette smoking is considered a major risk factor for bladder carcinoma, little is known about the interaction between metabolic genes such as glutathione-S-transferase P1 and tobacco smoking in this process. GSTP1 may play a role in detoxification of tobacco-related carcinogens. METHODS In this case-control study of 145 cases with(More)
Constituents of tobacco smoke can cause DNA double-strand breaks (DSBs), leading to tumorigenesis. The NBS1 gene product is a vital component in DSB detection and repair, thus genetic variations may influence cancer development. We examined the associations between NBS1 polymorphisms and haplotypes and newly incident smoking-related cancers in three(More)
Recent genome-wide association studies identified key single nucleotide polymorphisms (SNPs) in the 8q24 region to be associated with prostate cancer. 8q24 SNPs have also been associated with colorectal cancer, suggesting that this region may not be specifically associated to just prostate cancer. To date, the association between these polymorphisms and(More)
P53 codon 72 polymorphisms have been reported to be associated with cancers of the lung, esophagus and cervix. However, there have been no reports on the interaction of select risk factors and p53 codon 72 polymorphisms in gastric cancer susceptibility. 155 gastric cancer cases and 134 cancer-free controls were enrolled at the Memorial Sloan Kettering(More)
UNLABELLED We have trained an artificial neural network to predict the sequence of the human TP53 tumor suppressor gene based on a p53 GeneChip. The trained neural network uses as input the fluorescence intensities of DNA hybridized to oligonucleotides on the surface of the chip and makes between zero and four errors in the predicted 1300 bp sequence when(More)
Although the incidence of stomach cancer has been declining, it remains the second leading cause of cancer death worldwide. Potential protective effects of allium vegetables against cancer have been reported by a few epidemiologic studies in Chinese populations, but the sample sizes of these studies were relatively small. We examined the associations(More)
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