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Genetics & Genomics

DNA microarray assesses isoniazid hepatotoxicity

Published in Gene Therapy Weekly, November 9th, 2006

A study from Japan has documented the DNA microarray genotyping of N-acetyltransferase 2 (NAT2) polymorphism using carbodiimide as the linker for assessment of isoniazid (INH) hepatotoxicity.

"The antituberculous drug INH is acetylated by NAT2, and the frequency of INH-induced hepatotoxicity is determined by the NAT2 genotype. NAT2 genotyping is not done routinely in hospital laboratories because of its difficulty.

"Use of microarrays for research is becoming common and its expectations of clinical application are increasing. In this study, we attempted to develop an easier method of NAT2 genotyping for clinical use," wrote Y. Shimizu and colleagues,...

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