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p38 mitogen-activated protein kinase beta (p38β MAPK)
- Target
- p38β MAPK
- Molecular classification
- Enzyme, Mitogen-Activated Protein Kinase (MAPK), Serine/threonine kinase
01
Overview
p38 mitogen-activated protein kinase beta (p38β MAPK) is a serine/threonine kinase belonging to the p38 MAPK family. It plays a crucial role in cellular responses to stress, inflammation, cell differentiation, apoptosis, and autophagy. Activated by upstream kinases MKK3/MKK6 through phosphorylation, p38β phosphorylates various substrates, including transcription factors and protein kinases, modulating gene expression and cellular processes. Dysregulation of p38β is implicated in several diseases, including cancer, neurodegenerative disorders, cardiovascular diseases, and chronic inflammatory conditions, making it a potential therapeutic target.
- Other names
- p38βSAPK2bMAPK11
02
Mechanism of action
Inhibition of p38β kinase activity, thereby modulating downstream signaling pathways involved in inflammation, cell cycle, and apoptosis.
03
Biological functions
Stress response signalingCell differentiationApoptosisAutophagyInflammationRegulation of gene expression
04
Disease associations
Cancer progression/metastasisNeurodegenerative diseasesCardiovascular diseasesChronic inflammation disorders
05
Safety considerations
Potential for off-target effects due to similarity with other MAPK family members.Development of drug resistance.Complex and context-dependent roles of p38β in different tissues and diseases.
06
Interacting drugs
Small molecule inhibitors targeting p38β
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