Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2008-2-21
pubmed:abstractText
Polymorphisms in the gene encoding the metabolic enzyme cytochrome P450 1A1 (CYP1A1) might contribute to the variability in individual susceptibility to gallbladder cancer (GBC). This study comprised 142 consecutive cases of proven GBC and 171 healthy participants of similar ethnicity. CYP1A1 6235 T/C transition was analyzed using polymerase chain reaction-restriction fragment length polymorphism. The CC genotype of CYP1A1 was significantly associated with a risk of GBC [odds ratio (OR) 2.3, 95% confidence interval (CI)=1.1-4.5, P=0.026], and the age- and sex-adjusted OR was 2.0. The CYP1A1 C allele frequency was also higher in GBC patients (OR 1.4, 95% CI=1.0-2.0, P=0.039). After sex stratification, the TC genotype and C allele were significantly higher in men and conferred a risk for GBC (OR 4.2, 95% CI=1.8-9.7, P=0.001; OR 2.2, CI=1.3-3.7, P=0.005). In addition, the TC genotype and C allele frequencies were significantly higher in GBC patients without associated gallstones (OR 2.4, 95% CI=1.2-4.7, P=0.011; OR 1.6, CI=1.0-2.4, P=0.023). The usage of tobacco (smoking or nonsmoking) by GBC patients showed a significant increase in cancer risk with the TC genotype (OR 4.1, 95% CI=1.3-11.9, P=0.012). It seems that the higher risk of the TC genotype in men may be related to tobacco usage.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
1473-5709
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
17
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
77-81
pubmed:meshHeading
pubmed:year
2008
pubmed:articleTitle
Association of CYP1A1 Msp1 polymorphism with tobacco-related risk of gallbladder cancer in a north Indian population.
pubmed:affiliation
Department of Genetics, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't