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Title: N-Acetyltransferase 1 (NAT1) genotype: a risk factor for urinary bladder cancer in a lebanese population
Authors: Yassin, Ibrahim
Kobeissi, Loulou H
Jabbour, Michel E
Dhaini, Hassan
Affiliations: Department of Medical Laboratory Sciences 
Issue Date: 2012
Part of: Journal of oncology
Volume: 2012
In Lebanon, bladder cancer is the second most incident cancer among men. This study investigates a possible association between N-acetyltransferase 1 (NAT1) genotype, a drug-metabolizing enzyme coding gene, and bladder cancer in Lebanese men. A casecontrol study (54 cases and 105 hospital-based controls) was conducted in two major hospitals in Beirut. Cases were randomly selected from patients diagnosed in the period of 2002–2008. Controls were conveniently identified and selected from the same settings. Data was collected using interview questionnaire and blood analysis. NAT1 genotypes were determined by PCR-RFLP. Statistical analysis revolved around univariate, bivariate, and multivariate logistic regression models, along with checks for effect modification. Results showed NAT1∗14A allele, smoking, occupational exposure to combustion fumes, and prostate-related symptoms, to be risk factors for bladder cancer. The odds of carrying at least one NAT1∗14A allele are 7 times higher in cases compared to controls (OR = 7.86, 95% CI: 1.53–40.39). A gene-environment interaction was identified for NAT1∗14A allele with occupational exposure to combustion fumes. Among carriers of NAT1∗14A allele, the odds of bladder cancer dropped to 2.03 from 3.72. Our study suggests NAT1∗14A allele as a possible biomarker for bladder cancer. Further research is recommended to confirm this association.
Open URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Medical Laboratory Sciences

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