Genetic Polymorphism of CYP2A6 and Its Relationship with Nicotine Metabolism in Male Bataknese Smokers Suffered from Lung Cancer in Indonesia

  • Noni Novisari Soeroso Department of Pulmonology and Respiratory Medicine, Faculty of Medicine, University of Sumatera Utara, Jl. Dr Mansyur No.5 Medan 20155
  • Rozaimah Zain-Hamid Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Sumatera Utara, Jl. Dr Mansyur No.5 Medan 20155
  • Bintang Sinaga Department of Pulmonology and Respiratory Medicine, Faculty of Medicine, University of Sumatera Utara, Jl. Dr Mansyur No.5 Medan 20155
  • Ahmad Sadewa Department of Biochemistry, Faculty of Medicine, Gadjah Mada University, Jl. Farmako Sekip Utara, Yogyakarta 55281
  • Tamsil Syafiuddin Department of Pulmonology and Respiratory Medicine, Faculty of Medicine, University of Sumatera Utara, Jl. Dr Mansyur No.5 Medan 20155
  • Elisna Syahruddin Department of Pulmonology and Respiratory Medicine, Faculty of Medicine, University of Indonesia, Jl. Persahabatan Raya No.1, Jakarta 13230
  • Gino Tann Department of Clinical Pathology, Faculty of Medicine, University of Sumatera Utara, Jl. Dr Mansyur No.5 Medan 20155
  • Erna Mutiara Department of Biostatistics, Faculty of Public Health, University of Sumatera Utara, Jl. Dr Mansyur No.5 Medan 20155
Keywords: Polymorphism of CYP2A6 gene, Bataknese, Lung Cancer, Nicotine metabolism, Smokers

Abstract

BACKGROUND: Cytochrome P450 2A6 (CYP2A6) is known as an enzyme which is responsible for the metabolism of chemical compounds.

AIM: This study aimed to analyse the relationship between CYP2A6 gene polymorphism with nicotine metabolism rates and lung cancer incidence among smokers of Batak ethnic group in Indonesia.

METHODS: This study was a case-control study involving 140 research subjects through a purposive sampling technique from three hospitals in Medan, Indonesia. An examination of nicotine metabolism rates was conducted for all subjects using the 3HC/cotinine ratio parameter with LC-MS/MS technique. The examination of the CYP2A6 gene was performed with PCR-RFLP. Data were analysed with Conditional Logistic Regression test using Epi Info 7.0 software.

RESULTS: The allele frequencies of CYP2A6*1A, CYP2A6*1B, and CYP2A6*4A found were 44.3%, 48.9%, and 6.8%, respectively. The *1B allele showed the highest metabolism rate. It is found that slow metabolizer individuals were 5.49 times more likely to develop lung cancer (P = 0.01, 95%CI 1.2-24.8).

CONCLUSION: Among the Bataknese smokers studied, the CYP2A6*1B allele was found to be the most common allele and showed the highest rate of nicotine metabolism. However, the results show the insignificant relationship among CYP2A6 genetic polymorphism, nicotine metabolism, and lung cancer incidence.

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Published
2018-07-15
How to Cite
1.
Soeroso NN, Zain-Hamid R, Sinaga B, Sadewa A, Syafiuddin T, Syahruddin E, Tann G, Mutiara E. Genetic Polymorphism of CYP2A6 and Its Relationship with Nicotine Metabolism in Male Bataknese Smokers Suffered from Lung Cancer in Indonesia. Open Access Maced J Med Sci [Internet]. 2018Jul.15 [cited 2020Nov.27];6(7):1199-205. Available from: https://www.id-press.eu/mjms/article/view/oamjms.2018.259
Section
A - Basic Science

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