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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
8
pubmed:dateCreated
2007-8-10
pubmed:abstractText
Genetic factors are known to be important in the development of prostate cancer. Interleukin-18 (IL-18) is a multifunctional cytokine that induces interferon-gamma secretion and plays an important role in antitumor immunity. Variations in the DNA sequence in the IL-18 gene promoter may lead to altered IL-18 production and/or activity, and so this can modulate an individual's susceptibility to prostate cancer. To test this hypothesis, we investigated the relationship of IL-18 gene promoter -137 G/C and -607 C/A polymorphisms and their haplotypes with the risk of prostate cancer. We analyzed two single nucleotide polymorphisms of IL-18 gene promoter -137 G/C and -607 C/A in 265 patients with prostate cancer and 280 age- and sex-matched controls, using sequence-specific primers-polymerase chain reaction strategy. There were significant differences in the genotype and allele distribution of -137 G/C polymorphism of the IL-18 gene among cases and controls. The -137 GC and CC genotypes were associated with a significantly increased risk of prostate cancer as compared with the -137 GG genotypes [odds ratio (OR) = 1.721; 95% confidence interval (CI): 1.187-2.496; p = 0.004, and OR = 2.181; 95% CI: 1.034-4.603; p = 0.037, for GC and CC, respectively]. Consistent with the results of the genotyping analyses, the -137C/-607A haplotype was associated with a significantly increased risk of prostate cancer as compared with the -137G/-607C haplotype (OR = 1.544; 95% CI, 1.137-2.096; p = 0.005). This study shows for the first time an association between IL-18 gene promoter -137 G/C polymorphism and prostate cancer in a Chinese population.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
1044-5498
pubmed:author
pubmed:issnType
Print
pubmed:volume
26
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
613-8
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
Genetic polymorphisms of the interleukin-18 gene and risk of prostate cancer.
pubmed:affiliation
Department of Scientific Research, Youjiang Medical College for Nationalities, Baise, Guangxi, People's Republic of China. liuyunguang07@163.com
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't