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Purine Salvage Pathway in Mycobacterium tuberculosis

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Millions of deaths worldwide are caused by the aetiological agent of tuberculosis, Mycobacterium tuberculosis. The increasing prevalence of this disease, the emergence of drug-resistant strains, and the devastating effect of human immunodeficiency virus coinfection have led to an urgent need for the development of new and more efficient antimycobacterial drugs. The modern approach to the development of new chemical compounds against complex diseases, especially the neglected endemic ones, such as tuberculosis, is based on the use of defined molecular targets. Among the advantages, this approach allows (i) the search and identification of lead compounds with defined molecular mechanisms against a specific target (e.g. enzymes from defined pathways), (ii) the analysis of a great number of compounds with a favorable cost/benefit ratio, and (iii) the development of compounds with selective toxicity. The present review describes the enzymes of the purine salvage pathway in M. tuberculosis as attractive targets for the development of new antimycobacterial agents. Enzyme kinetics and structural data have been included to provide a thorough knowledge on which to base the search for compounds with biological activity. We have focused on the mycobacterial homologues of this pathway as potential targets for the development of new antitubercular agents.

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Keywords: Crystallographic structures; Mycobacterium tuberculosis; drug-resistant; enzyme kinetics; nucleotide metabolism; nucleotides; purine salvage pathway; rational drug design; selective toxicity; tuberculosis

Document Type: Research Article

Publication date: 01 March 2011

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  • Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.
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