Abstract
Inhibitors of p38 MAP kinases show promise for the treatment of inflammatory and immunological disorders and some cancers. There is a substantial body of experimental evidence across several organ systems suggesting that p38 also mediates developmental, differentiation and proliferation processes. As a consequence of the wide-ranging regulatory role of p38 kinase in diverse cellular processes, the possibility of adverse events resulting from undesired pharmacological activity is a major concern for the p38 inhibitor drug class. Taking into consideration the limitations of experimental modeling systems, together the data may indicate that profound inhibition of p38 has the potential to impact these processes during fetal or neonatal development. The difficulty comes in extrapolating these findings to predict potential adverse effects under conditions of partial inhibition of p38 activity, and in an adult population in which these processes are typically only recapitulated during repair or adaptive responses. As such, the goal of this review of the targets of p38 activity is to bring an awareness of the those organ systems that should be monitored for potential toxicity, as well as to present a potential mechanistic basis for such monitoring or for investigation of adverse effects that may develop with administration of a p38 inhibitor.
Keywords: immunological disorders, pro-inflammatory cytokines, c-jun n-terminal (jnk), genetically-modified cell culture, type I interferon (ifn) receptor, extracellular signal-regulated kinases
Current Topics in Medicinal Chemistry
Title: Potential Adverse Effects Associated with Inhibition of p38α/β MAP Kinases
Volume: 5 Issue: 10
Author(s): Donna M. Dambach
Affiliation:
Keywords: immunological disorders, pro-inflammatory cytokines, c-jun n-terminal (jnk), genetically-modified cell culture, type I interferon (ifn) receptor, extracellular signal-regulated kinases
Abstract: Inhibitors of p38 MAP kinases show promise for the treatment of inflammatory and immunological disorders and some cancers. There is a substantial body of experimental evidence across several organ systems suggesting that p38 also mediates developmental, differentiation and proliferation processes. As a consequence of the wide-ranging regulatory role of p38 kinase in diverse cellular processes, the possibility of adverse events resulting from undesired pharmacological activity is a major concern for the p38 inhibitor drug class. Taking into consideration the limitations of experimental modeling systems, together the data may indicate that profound inhibition of p38 has the potential to impact these processes during fetal or neonatal development. The difficulty comes in extrapolating these findings to predict potential adverse effects under conditions of partial inhibition of p38 activity, and in an adult population in which these processes are typically only recapitulated during repair or adaptive responses. As such, the goal of this review of the targets of p38 activity is to bring an awareness of the those organ systems that should be monitored for potential toxicity, as well as to present a potential mechanistic basis for such monitoring or for investigation of adverse effects that may develop with administration of a p38 inhibitor.
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Cite this article as:
Dambach M. Donna, Potential Adverse Effects Associated with Inhibition of p38α/β MAP Kinases, Current Topics in Medicinal Chemistry 2005; 5 (10) . https://dx.doi.org/10.2174/1568026054985911
DOI https://dx.doi.org/10.2174/1568026054985911 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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