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pubmed-article:18674969pubmed:abstractTextPyrazinamide is unusual among anti-tuberculous agents in its ability to promote a durable cure and shorten the duration of therapy. Yet the basis for this effect is not well understood. A particularly effective strategy for the development of new drugs can be to synthetically manipulate the well-established structures to improve either the spectrum of activity or some pharmacological properties. Similar to previously described aminomethylene amides such as morphazinamide, it was found that novel aminomethylene amides can have in vitro activity at higher than the very acidic pH conditions where pyrazinamide is inactive as well as retaining activity against pyrazinamide-resistant M. tuberculosis. These new compounds have shown an improved anti-tuberculous activity in infected human macrophages relative to pyrazinamide. Compound 1, in combination with rifamycin, was especially effective in both infected human macrophages and in a murine model of infection. The activity of these analogs against pyrazinamide-resistant strains suggests that the development of second generation pyrazinamide analogs may be especially fruitful.lld:pubmed
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pubmed-article:18674969pubmed:dateRevised2009-4-22lld:pubmed
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pubmed-article:18674969pubmed:articleTitleInhibition of M. tuberculosis in vitro in monocytes and in mice by aminomethylene pyrazinamide analogs.lld:pubmed
pubmed-article:18674969pubmed:affiliationDepartment of Chemistry, University at Albany, Albany, NY 12203, USA.lld:pubmed
pubmed-article:18674969pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:18674969pubmed:publicationTypeResearch Support, N.I.H., Extramurallld:pubmed