Please use this identifier to cite or link to this item: https://scholarhub.balamand.edu.lb/handle/uob/2655
Title: Toxicogenetic profile and cancer risk in Lebanese
Authors: Dhaini, Hassan
Kobeissi, Loulou H
Affiliations: Department of Medical Laboratory Sciences 
Issue Date: 2014
Part of: Journal of toxicol environ health part B critical reviews
Volume: 17
Issue: 2
Start page: 95
End page: 125
Abstract: 
An increasing number of genetic polymorphisms in drug-metabolizing enzymes (DME) were identified among different ethnic groups. Some of these polymorphisms are associated with an increased cancer risk, while others remain equivocal. However, there is sufficient evidence that these associations become significant in populations overexposed to environmental carcinogens. Hence, genetic differences in expression activity of both Phase I and Phase II enzymes may affect cancer risk in exposed populations. In Lebanon, there has been a marked rise in reported cancer incidence since the 1990s. There are also indicators of exposure to unusually high levels of environmental pollutants and carcinogens in the country. This review considers this high cancer incidence by exploring a potential gene-environment model based on available DME polymorphism prevalence, and their impact on bladder, colorectal, prostate, breast, and lung cancer in the Lebanese population. The examined DME include glutathione S-transferases (GST), N-acetyltransferases (NAT), and cytochromes P-450 (CYP). Data suggest that these DME influence bladder cancer risk in the Lebanese population. Evidence indicates that identification of a gene-environment interaction model may help in defining future research priorities and preventive cancer control strategies in this country, particularly for breast and lung cancer.
URI: https://scholarhub.balamand.edu.lb/handle/uob/2655
Type: Journal Article
Appears in Collections:Department of Medical Laboratory Sciences

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