Impact of Nitric Oxide Synthase 2 Gene Variant on Risk of Anti-Tuberculosis Drug- Induced Liver Injury in the Malaysian Population

Sivapalan, Vishala and Zain, Shamsul Mohd and Jin, Shengnan and Chan, Sze Ling and Liu, Jiajun and Mohamed, Zahurin and Mohamed, Rosmawati (2020) Impact of Nitric Oxide Synthase 2 Gene Variant on Risk of Anti-Tuberculosis Drug- Induced Liver Injury in the Malaysian Population. Sains Malaysiana, 49 (2). pp. 237-248. ISSN 0126-6039, DOI https://doi.org/10.17576/jsm-2020-4902-02.

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Official URL: https://doi.org/10.17576/jsm-2020-4902-02

Abstract

Liver injury is a great threat associated with anti-tuberculosis (anti-TB) medication. Genetic variations in genes encoding drug-metabolising enzymes further enhance this threat. We aimed to explore genetic contributions by evaluating the impact of single nucleotide polymorphisms (SNPs) within the anti-tuberculosis (AT) metabolism pathway genes and within their respective chromosomes on anti-tuberculosis drug-induced liver injury (AT-DILI). Patients (n= 90) were recruited and 170 SNPs were genotyped using Illumina array and validated using Sanger Sequencing. The well-studied N-acetyltransferase 2 (NAT2*6) rs1799930 and cytochrome P450 2E1 (CYP2E1) C1/C1 were not significantly associated with AT-DILI in our cohort but nitric oxide synthase (NOS2A) rs11080344-C was found to be significantly higher in the cases than the controls (OR 2.73, 95% CI 1.12-6.64, P= 0.027). Association studies on all other SNPs within the anti-tuberculosis metabolism pathway genes and within their respective chromosomes also found no significant report. Our study suggests that genetic variation in NOS2A could influence the occurrence of AT-DILI. © 2020 Penerbit Universiti Kebangsaan Malaysia. All rights reserved.

Item Type: Article
Funders: High Impact Research Grants, University Malaya (UM.C/625/1/HIR/187, J-20001-738610), High Impact Research Grants, Ministry of Higher Education, Malaysia (HIR MOHE E000049-20001)
Uncontrolled Keywords: Adverse effect; Genetic variations; Liver injury; Nitric oxide; Tuberculosis
Subjects: R Medicine
Divisions: Faculty of Medicine
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 17 Jun 2020 03:23
Last Modified: 17 Jun 2020 03:23
URI: http://eprints.um.edu.my/id/eprint/24887

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