Abstract
The challenges in preventing and controlling tuberculosis are further complicated by the deadly rise of multidrug- resistant tuberculosis (MDR-TB). Recognizing the seriousness of the situation, we initiated a program to screen new agents that would satisfy these unmet needs and have a favorable safety profile. Mycobacteria are well known for their lipid-rich properties. In Mycobacterium tuberculosis, mycolic acid in particular has been established the wall component related to the pathogenesis in the host. There are approximately 250 identified genes related to biosynthesis of the lipid turnover that contain InhA, the main target of isoniazid. Thus, the logical approach for developing a chemotherapy agent against tubercle bacilli included screening compounds that could inhibit the biosyntheses of mycolic acid and that had a novel chemical structure to ensure improved efficacy against MDR-TB. Some of the screening systems established for those purposes and some of the candidates are outlined.
Keywords: Tuberculosis, mycolic acid inhibitor, nitrodehydroimidazooxazole, mycolic acid, BRM test
Current Topics in Medicinal Chemistry
Title: Screening for Novel Antituberculosis Agents that are Effective Against Multidrug Resistant Tuberculosis
Volume: 7 Issue: 5
Author(s): Makoto Matsumoto, Hiroyuki Hashizume, Hidetsugu Tsubouchi, Hirofumi Sasaki, Motohiro Itotani, Hideaki Kuroda, Tatsuo Tomishige, Masanori Kawasaki and Makoto Komatsu
Affiliation:
Keywords: Tuberculosis, mycolic acid inhibitor, nitrodehydroimidazooxazole, mycolic acid, BRM test
Abstract: The challenges in preventing and controlling tuberculosis are further complicated by the deadly rise of multidrug- resistant tuberculosis (MDR-TB). Recognizing the seriousness of the situation, we initiated a program to screen new agents that would satisfy these unmet needs and have a favorable safety profile. Mycobacteria are well known for their lipid-rich properties. In Mycobacterium tuberculosis, mycolic acid in particular has been established the wall component related to the pathogenesis in the host. There are approximately 250 identified genes related to biosynthesis of the lipid turnover that contain InhA, the main target of isoniazid. Thus, the logical approach for developing a chemotherapy agent against tubercle bacilli included screening compounds that could inhibit the biosyntheses of mycolic acid and that had a novel chemical structure to ensure improved efficacy against MDR-TB. Some of the screening systems established for those purposes and some of the candidates are outlined.
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Matsumoto Makoto, Hashizume Hiroyuki, Tsubouchi Hidetsugu, Sasaki Hirofumi, Itotani Motohiro, Kuroda Hideaki, Tomishige Tatsuo, Kawasaki Masanori and Komatsu Makoto, Screening for Novel Antituberculosis Agents that are Effective Against Multidrug Resistant Tuberculosis, Current Topics in Medicinal Chemistry 2007; 7 (5) . https://dx.doi.org/10.2174/156802607780059727
DOI https://dx.doi.org/10.2174/156802607780059727 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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