• Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China;
YING Binwu, Email: binwuying@126.com
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Objective To explore the relationship between hexokinase domain-containing protein 1 (HKDC-1) single nucleotide polymorphism (SNP) and first-line anti-tuberculosis drug-induced liver injury (ATDILI) in tuberculosis patients in western China.Methods From November 2016 to April 2018, 746 tuberculosis patients treated in West China Hospital of Sichuan University were collected and divided into ATDILI group and non-ATDILI group according to the liver function indicators. DNA was extracted by QIAamp® DNA Blood Mini Kit (Qiagen, Germany). Seven SNPs of the HKDC-1 gene were genotyped by high-throughput genotyping technique and the differences between the two groups were compared.Results There were 118 ATDILI and 628 non-ATDILI cases enrolled in this study. In clinical symptoms, the differences in incidences of fever and weight loss between the two groups were statistically significant (P=0.004, 0.024). The C allele at rs906219 was associated with low susceptibility to ATDILI [odds ratio (OR)=0.737, 95% confidence interval (CI) (0.556, 0.957), P=0.033], and the additive model and dominant model showed that CC/CA genotype had a lower risk of ATDILI than AA genotype [CC vs. AA: OR=0.563, 95%CI (0.325, 0.976), P=0.039; CC+CA vs. AA: OR=0.533, 95%CI (0.348, 0.817), P=0.004].Conclusion The SNP of rs906219 in HKDC-1 is correlated with ATDILI occurrence in tuberculosis patients in western China, which provides clues for personalized anti-tuberculosis treatment.

Citation: WANG Dengchao, SONG Jiajia, BAI Hao, LIU Tangyuheng, JIAO Lin, WU Tao, WU Lijuan, ZHANG Jingwei, YING Binwu. Genetic variants of HKDC-1 associated with first-line anti-tuberculosis drug-induced liver injury in tuberculosis patients in western China. West China Medical Journal, 2019, 34(8): 878-884. doi: 10.7507/1002-0179.201907076 Copy

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