Pinarbasi H, Silig Y, Cetinkaya O, Seyfikli Z, Pinarbasi E. Strong association between the GSTM1-null genotype and lung cancer in a Turkish population.
ACTA ACUST UNITED AC 2003;
146:125-9. [PMID:
14553946 DOI:
10.1016/s0165-4608(03)00059-1]
[Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Glutathione S-transferases are possibly related to the detoxification of many xenobiotics involved in the etiology of cancer. To investigate the role of the glutathione S-transferase M1 deletion (GSTM1-null) in lung cancer, the polymerase chain reaction was used to determine the GSTM1 genotypes of lung cancer patients (n=101) and hospital (n=206) in a Turkish population. The prevalence of the GSTM1-null genotype in the case group was 48%, compared to 18% in the control group, giving an odds ratio (OR) of 4.14 (95% confidence interval [CI]=2.36-7.27). The analysis of patients by histologic type of lung cancer (10% adenocarcinoma, 43% squamous cell carcinoma, 26% small cell carcinoma, and 11% large cell carcinoma) showed no association between histopathologic type of lung cancer and GSTM1-null genotype. When the interaction between the GSTM1-null genotype and smoking status was analyzed, among the 67 smokers, the GSTM1-null genotype was found in 37 (55%) with an OR of 2.58 (95% CI=1.00-6.73) indicating a significant association. However, no association was found between smoking exposure (<30 and > or =30 packs/year) and GSTM1-null genotype. We conclude that, in this study the null GSTM1 genotype is an independent risk factor for the development of lung cancer for Turkish population.
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