Drug resistance in Mycobacterium tuberculosis and targeting the l,d-transpeptidase enzyme |
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Authors: | Kuppan Gokulan Kottayil I. Varughese |
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Affiliation: | The Department of Physiology & Biophysics, University of Arkansas for Medical Sciences, Little Rock, Arkansas |
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Abstract: | Tuberculosis (TB) is a disease that has afflicted mankind for thousands of years, but in the last seven decades, much progress has been made in anti-TB therapy. Early drugs, such as para-aminosalicylic acid, streptomycin, isoniazid, and rifamycins were very effective in combatting the disease, giving rise to the hope that TB would be eradicated from the face of the earth by 2010. Despite that optimism, TB continues to kill more than a million people annually worldwide. A major reason for our inability to contain TB is the emergence drug resistance in Mycobacterium tuberculosis. This commentary is based on our recent publication on the structure of l ,d -transpeptidase enzyme, relevant to drug resistance. As a background, we briefly outline the history and development of anti-TB therapy. Based on the crystal structure, we suggest a potential direction for designing more potent drugs against TB. |
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Keywords: | drug resistance mycobacterium tuberculosis transpeptidase |
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