Korean Lepr Bull.
2003 Jul;36(1):3-9.
Mutations in folP1, rpoB, and gyrB associated with multiple drug resistance in Mycobacterium leprae isolates from South Korea
- Affiliations
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- 1Institute of Hansen's disease, Department of Pathology, College of Medicine, The Catholic University of Korea, Korea.
- 2Department of Emergency, Boramae Hospital, Seoul National University, Korea.
- 3Institute for Leprosy Research, Korean Hansen Welfare Association, Korea.
Abstract
- The emergence of multiple drug resistant Mycobacterium leprae has emphasized the need for early decision of effective antileprosy drug in the treatment for leprosy patients. Mutations in the genes associated with multiple drug resistance in Mycobacterium leprae isolates from 17 South Korean patients, who were already confirmed to have mutations in folP1 gene, were investigated using a PCR - single strand conformation polymorphism (SSCP) - DNA sequencing assay. Two strains, which has double mutations, were found in the two unrelated patients : one missense mutation in folP1 (Arg 55 for Pro) and in rpoB (Gly 522 for Ser), and in folP1 (Ala 53 for Thr) and in gyrB (Asn 426 for Asp), respectively. The patients were treated with the long monotheraphy of dapsone or with the inappropriate regimen of antileprosy drugs. These results emphasize the importance of multi-drug theraphy in order to prevent mult-idrug resistance and assist in the choice of the appropriate regimens for treating leprosy.
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