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All Journal Molecular and Cellular Biomedical Sciences (MCBS)
Putri Chairani Eyanoer
Department of Public Health, Faculty of Medicine, Universitas Sumatera Utara, Medan
Biochemistry, Genetics & Molecular Biology Dentistry Immunology & microbiology Medicine & Pharmacology Neuroscience

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Correlation between Genetic Polymorphism of CYP2A13 Genotype and Lung Cancer in Female Passive Smokers Nurul Ramadhani; Noni Novisari Soeroso; Setia Putra Tarigan; Putri Chairani Eyanoer; Hidayat Hidayat
Molecular and Cellular Biomedical Sciences Vol 6, No 2 (2022)
Publisher : Cell and BioPharmaceutical Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21705/mcbs.v6i2.246

Abstract

Background: Nicotine is metabolized to cotinine by cytochrome P450 enzyme, and this enzyme is involved in the activation of toxic and carcinogenic substances. The aim of this research was to assess the relationship between genetic polymorphism of CYP2A13 and lung cancer incidence in female passive smokers.Materials and methods: This research was a case-control study that involved 104 research subjects. Subjects were recruited through purposive sampling technique from 2 hospitals in Medan, North Sumatra, Indonesia. The case population consisted of female passive smokers with lung cancer and the control population consisted of female passive smokers without lung cancer. All research subjects underwent blood sampling for genomics DNA extraction and CYP2A13 genotyping by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Data was analyzed by conditional logistic regression by Epi Info 7.0 software.Results: Among 104 subjects, 26 (25%) individuals were heterozygous, 76 (73%) individuals were wild type, and 2 (2%) were mutant for the 257Cys allele. There was a significant correlation between CYP2A13 genotype and lung cancer incidence (p-value<0.05). Female passive smokers with CT genotype had 2.7 greater risk of developing lung cancer than those with CC genotype (wild type). The C allele had more frequency and 1.6 times higher risk of lung cancer compared to T allele with a wide confidence range (0.73–3.52).Conclusion: There was a significant correlation between CYP2A13 polymorphism and lung cancer incidence in female passive smokers.Keywords: polymorphism, CYP2A13, PCR-RFLP, female passive smoker, lung cancer
Association of CYP2A6 Genetic Polymorphism and Lung Cancer in Female Never Smokers R.A Henny Anggriani; Noni Novisari Soeroso; Setia Putra Tarigan; Putri Chairani Eyanoer; Hidayat Hidayat
Molecular and Cellular Biomedical Sciences Vol 6, No 2 (2022)
Publisher : Cell and BioPharmaceutical Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21705/mcbs.v6i2.232

Abstract

Background: The major significant factor that affected lung cancer development among female passive smokers is environmental tobacco smoke. Nicotine can be found in a never smoker population, such as a child whose father is a smoker. Lung carcinogenesis in never smoker populations is affected by nicotine metabolism by CYP2A6 gene, which encodes the main nicotine metabolizing-enzyme. The aim of this study was to assess the genetic polymorphism of CYP2A6 and its association with secondhand smokers among females who have suffered from lung cancer in North Sumatra population.Materials and methods: This study was a case-control study, composed of 53 case subjects and 46 control subjects that were involved through a purposive sampling technique from two hospitals in Medan. PCR-RFLP was used for the examination of CYP2A6 gene to determine the genotype. The data were analyzed with conditional logistic regression test using Epi Info 7.0 software.Results: The most common genotype of CYP2A6 detected in this study was *1B/*1B (40.4%), while *1B allele had the highest prevalence (55.5%). There was no significant association between CYP2A6 genotype (p-value=0.61) or alleles (p-value=0.25) and the incidence of lung cancer.Conclusion: There was no association between CYP2A6 polymorphism and the incidence of lung cancer in secondhand smoker females.Keywords: CYP2A6, PCR-RFLP, female secondhand smokers, lung cancer
Co-Authors Hidayat Hidayat Noni Novisari Soeroso Nurul Ramadhani R.A Henny Anggriani Setia Putra Tarigan