Design of beta-lactams with mechanism based nonantibacterial activities |
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Authors: | Veinberg Grigory Vorona Maxim Shestakova Irina Kanepe Iveta Lukevics Edmunds |
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Affiliation: | Latvian Institute of Organic Synthesis, 21 Aizkraukles Street, Riga, LV 1006, Latvia. veinberg@osi.lv |
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Abstract: | The majority of nonantibacterial activities discovered for beta-lactam derivatives during the last 15 years are based on their ability to form a stable covalent complex with nucleophile in the active site of enzymes regulating fundamental physiological processes in mammalian organism such as serine and cysteine proteases, LDL phospholipase A(2), A-independent transacylase and some still indeciphered enzymes. Regulation of their catalytic activity both in vitro and in vivo by compounds designed on the cephalosporin, penicillin and 2-azetidinone base was successfully exploited in the treatment of inflammatory, respiratory, cardiovascular disorders, cancer and other pathologic processes. Availability of X-ray crystallographic data for target enzymes and computational molecular modelling in combination with wide possibilities of structural modifications for commercial natural and synthetic beta-lactams and the chiral blocks allow to consider this class of organic compounds as a perspective source of mechanism based nonantibacterial drugs. |
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