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p38 MAPK in cardioprotection - are we there yet?
E D Martin1, R Bassi, M S Marber
1King's College London BHF Centre of Research Excellence, Cardiovascular Division, The Rayne Institute, St Thomas' Hospital, London, UK.
British Journal of Pharmacology
|September 11, 2014
Summary
Protein kinases (PKs) regulate cellular functions. Stress-activated p38 mitogen-activated protein kinases (MAPKs) can worsen cardiovascular diseases, prompting investigation into p38 inhibitors for therapeutic benefit.
Area of Science:
- Biochemistry
- Cellular Biology
- Pharmacology
Background:
- Protein kinases (PKs) regulate essential cellular processes by phosphorylating substrate proteins.
- Stress-activated kinases, like the p38 MAPK family, respond to cellular stresses but can contribute to disease pathology.
- Dysregulation of p38 signaling is implicated in cardiovascular diseases, similar to other signaling pathways where inhibition is beneficial.
Purpose of the Study:
- To review the structure, function, and history of p38 inhibitors.
- To examine the use of p38 inhibitors in preclinical studies.
- To summarize recent cardiovascular clinical trial results for p38 inhibitors.
Main Methods:
- Literature review of p38 kinase structure and function.
- Analysis of preclinical studies involving p38 inhibitors.
- Synthesis of data from recent cardiovascular clinical trials.
Main Results:
- p38 MAPKs are involved in cellular adaptation to stress but can mediate maladaptive responses in disease.
- Preclinical studies have explored p38 inhibitors for various conditions.
- Recent clinical trials in cardiovascular diseases are summarized to assess therapeutic potential.
Conclusions:
- p38 signaling pathways, while crucial for survival, can exacerbate cardiovascular diseases.
- Inhibition of p38 may offer therapeutic benefits in cardiovascular and other disease states.
- Further clinical evaluation is needed to determine the efficacy and safety of p38 inhibitors.
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