p38 MAP Kinase Inhibitors as Anti inflammatory Agents

Author(s): Mohammad Amir, K. Somakala, Sazid Ali.

Journal Name: Mini-Reviews in Medicinal Chemistry

Volume 13 , Issue 14 , 2013

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Abstract:

The p38 Mitogen-Activated Protein (MAP) kinase, a serine/threonine kinase, is one of the best characterized kinases in the inflammatory process. Among the four identified p38 isoforms (p38α, p38β, p38γ, and p38δ), the -form is the most fully studied and plays a central role in the biosynthesis of the proinflammatory cytokines i.e. IL-1β and TNF-α at the translational and transcriptional levels. Antagonism of these proinflammatory cytokines has been recognized as an effective possibility for the development of new drug candidates. The characterization of the pharmacological profile displayed by the selective p38 inhibitor prototype SB203580, proved its disease-modifying activity in the adjuvantinduced arthritis model. This strongly suggests that adequate modulation of production of these cytokines can bring significant benefits to the therapy of chronic inflammatory diseases. In addition to its important role for the secretion of proinflammatory cytokines, p38 is also involved in the activation of matrix metalloproteinases and the induction of COX- 2 transcription, proteins that are involved in the process of tissue destruction and inflammation. Because of its multiple functions in modulating the inflammatory response, it is expected that p38 inhibiting drugs will treat the underlying cause of chronic inflammatory diseases and stop their progression. The archetypal small molecule p38 inhibitors are the pyridinylimidazoles and these structures formed the basis for much of the early research. More recently a number of nonimidazole based p38 inhibitors such as the ureas, pyrazoles, pyrazoloheteroaryls, pyridazines, indoles, amides, pyridines, triazolopyridines, etc containing a variety of functionality have been reported to inhibit cytokine activity. This article provides a critical account of these different heterocycles reported for p38 MAPK inhibition and covers the recent research in the development of anti inflammatory agents.

Keywords: Anti inflammatory, Imidazole, p38 inhibitors, Kinases, Urea, Pyrazolyl urea.

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Article Details

VOLUME: 13
ISSUE: 14
Year: 2013
Page: [2082 - 2096]
Pages: 15
DOI: 10.2174/13895575113136660098
Price: $58

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