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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
12
pubmed:dateCreated
2009-11-30
pubmed:abstractText
Genetic factors play important roles in pathogenesis of human cancer. A recent genome-wide association study (GWAS) linked two single nucleotide polymorphisms (SNPs) in prostate stem cell antigen (PSCA), rs2294008C>T and rs2976392G>A, to risk of diffuse-type of gastric cancer in Japanese and Korean populations. We hypothesized that these two SNPs are also associated with risk of gastric cancer in Chinese population. We examined genotypes and haplotypes of PSCA, rs2294008C/T and rs2976392G/A in 716 patients with cardia gastric carcinoma (CGC), 1020 patients with noncardia gastric carcinoma (NCGC), and 1020 controls. We found that individuals with at least one copy of the rs2294008T allele (CT or TT genotype) had an elevated risk for developing NCGC compared with those without this allele (OR = 1.35, 95% CI = 1.13-1.61). Individuals with at least one copy of the rs2976392A allele (GA or AA genotype) had nonsignificantly increased risk for NCGC compared with those without this allele (OR = 1.20, 95% CI = 1.01-1.43). Stratification analysis showed that the increased risk associated with the SNPs was restricted in female subjects. Moreover, the rs2294008T and rs2976392A allele carriers were predisposed to developing poorly differentiated and high stage NCGC at diagnosis. However, no such association was detected for CGC. In addition, we observed considerably lower allelic and genotype frequencies of these genetic variants in Chinese population compared with Japanese and Korean populations. These findings are in general consistent with previous GWAS and suggest that PSCA may play a role in the development of NCGC in Chinese population.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
1098-2744
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
48
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1131-8
pubmed:dateRevised
2010-11-18
pubmed:meshHeading
pubmed-meshheading:19554573-Alleles, pubmed-meshheading:19554573-Antigens, Neoplasm, pubmed-meshheading:19554573-Asian Continental Ancestry Group, pubmed-meshheading:19554573-Case-Control Studies, pubmed-meshheading:19554573-Female, pubmed-meshheading:19554573-GPI-Linked Proteins, pubmed-meshheading:19554573-Genetic Predisposition to Disease, pubmed-meshheading:19554573-Genome-Wide Association Study, pubmed-meshheading:19554573-Genotype, pubmed-meshheading:19554573-Haplotypes, pubmed-meshheading:19554573-Humans, pubmed-meshheading:19554573-Male, pubmed-meshheading:19554573-Membrane Glycoproteins, pubmed-meshheading:19554573-Middle Aged, pubmed-meshheading:19554573-Neoplasm Proteins, pubmed-meshheading:19554573-Polymerase Chain Reaction, pubmed-meshheading:19554573-Polymorphism, Single Nucleotide, pubmed-meshheading:19554573-Risk Factors, pubmed-meshheading:19554573-Stomach Neoplasms
pubmed:year
2009
pubmed:articleTitle
Two genetic variants in prostate stem cell antigen and gastric cancer susceptibility in a Chinese population.
pubmed:affiliation
Bejing Key Laboratory of Cancer Prevention, Cancer Institute and Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't