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The Analysis of Drug-Resistant Gene Mutations of Mycobacterium tuberculosis by GeneChip in Lianyungang, China by L. Zhu, L. L. Zuo, L. T. Zhou, J. Y. Shi, R. R. Xia, G. Feng, D. W. Pan, S. Y. Wu

Background: Tuberculosis (TB) has raised major global health concerns, especially for that caused by drug-resistant Mycobacterium tuberculosis (M. tuberculosis). The control of TB was hampered by time-consuming and insensitive diagnostic methods. GeneChip analysis is a rapid method for screening and identifying the gene mutations of M. tuberculosis. However, there was little relevant information about GeneChip analysis of M. tuberculosis in China.
Methods: To compare the performance of GeneChip analysis in the diagnosis of drug-resistant M. tuberculosis with traditional drug susceptibility testing (DST), 1,747 sputum specimens from 2014 to 2016 in Lianyungang of China were retrospectively analyzed.
Results: GeneChip analysis showed that the gene mutation site of M. tuberculosis to RFP resistance was 46.37% in rpoB 531 (TCG→TTG), and INH resistance was 69.89% in katG 315 (AGC→ACC). There was not significant different between GeneChip analysis and DST in detecting the resistance of M. tuberculosis to RPF or INH.
Conclusions: GeneChip analysis could be regarded as a rapid and recommended method for early screening and identifying the drug resistance of M. tuberculosis.

DOI: 10.7754/Clin.Lab.2019.190526