Association of mitochondrial deoxyribonucleic acid mutation with polymorphism in CYP2E1 gene in oral carcinogenesis

Journal of Oral Biology and Craniofacial Research
Rahul PandeyStuti Singh

Abstract

Oral carcinogenesis is a complex process affected by genetic as well as environmental factors. CYP2E1 gene is involved in metabolism of number of compounds and carcinogens. Its normal functioning is required for homeostasis of free radical. Mitochondrial deoxyribonucleic acid (mtDNA) is 10-100 times more susceptible to damage than nuclear DNA. Mitochondrial DNA large scale deletions are well documented in oral cancer. However, the relationship between CYP2E1 gene polymorphisms and mtDNA damage is still not documented in literature. Case-control study involving 50 subjects was carried out. Deoxyribonucleic acid extraction was done from study subject tissue samples. Restriction fragment length polymorphism (RFLP) and polymerase chain reaction (PCR) amplification was done to confirm CYP2E1 gene polymorphisms. The PCR amplification was done for mtDNA 4977 bp deletion. Statistical analysis was carried out using SPSS version 11.5 with χ(2) tests. c1c1 and DD polymorphisms are prevalent in North Indian population having oral cancer. These polymorphisms are significantly associated with mtDNA 4977 bp deletion. Mitochondrial DNA damage induced by wild CYP2E1 forms and imperfect DNA repair in mtDNA may act synergistically to greatly enha...Continue Reading

Citations

Jul 17, 2020·Cancer Investigation·Nisha ThakurShalini Singh
Sep 3, 2020·Environmental Science and Pollution Research International·Muhammad Yasir Abdur RehmanJabir Hussain Syed
May 3, 2019·Oncology Reviews·Abdul Aziz Mohamed YusoffSiti Muslihah Abd Radzak
Jul 31, 2021·Disease Markers·Siti Zulaikha Nashwa Mohd KhairAbdul Aziz Mohamed Yusoff

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