loading...| Preferred Name | activated TAK1 mediates p38 MAPK activation | |
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| Definitions |
p38 mitogen-activated protein kinase (MAPK) belongs to a highly conserved family of serine/threonine protein kinases. <p>The p38 MAPK-dependent signaling cascade is activated by pro-inflammatory or stressful stimuli such as ultraviolet radiation, oxidative injury, heat shock, cytokines, and other pro-inflammatory stimuli. p38 MAPK exists as four isoforms (alpha, beta, gamma, and delta). Of these, p38alpha and p38beta are ubiquitously expressed while p38gamma and p38delta are differentially expressed depending on tissue type. Each isoform is activated by upstream kinases including MAP kinase kinases (MKK) 3, 4, and 6, which in turn are phosphorylated by activated TAK1 at the typical Ser-Xaa-Ala-Xaa-Thr motif in their activation loops.<p>Once p38 MAPK is phosphorylated it activates numerous downstream substrates, including MAPK-activated protein kinase-2 and 3 (MAPKAPK-2 or 3) and mitogen and stress-activated kinase-1/2 (MSK1/2). MAPKAPK-2/3 and MSK1/2 function to phosphorylate heat shock protein 27 (HSP27) and cAMP-response element binding protein transcriptional factor, respectively. Other transcription factors, including activating transcription factor 2, Elk, CHOP/GADD153, and myocyte enhancer factor 2, are known to be regulated by these kinases. Edited: Shamovsky, V, 2010-02-27 Reviewed: Gillespie, ME, 2010-02-27 Authored: Shamovsky, V, 2009-12-16 |
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http://purl.obolibrary.org/obo/HINO_0015708 |
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p38 mitogen-activated protein kinase (MAPK) belongs to a highly conserved family of serine/threonine protein kinases. The p38 MAPK-dependent signaling cascade is activated by pro-inflammatory or stressful stimuli such as ultraviolet radiation, oxidative injury, heat shock, cytokines, and other pro-inflammatory stimuli. p38 MAPK exists as four isoforms (alpha, beta, gamma, and delta). Of these, p38alpha and p38beta are ubiquitously expressed while p38gamma and p38delta are differentially expressed depending on tissue type. Each isoform is activated by upstream kinases including MAP kinase kinases (MKK) 3, 4, and 6, which in turn are phosphorylated by activated TAK1 at the typical Ser-Xaa-Ala-Xaa-Thr motif in their activation loops. Once p38 MAPK is phosphorylated it activates numerous downstream substrates, including MAPK-activated protein kinase-2 and 3 (MAPKAPK-2 or 3) and mitogen and stress-activated kinase-1/2 (MSK1/2). MAPKAPK-2/3 and MSK1/2 function to phosphorylate heat shock protein 27 (HSP27) and cAMP-response element binding protein transcriptional factor, respectively. Other transcription factors, including activating transcription factor 2, Elk, CHOP/GADD153, and myocyte enhancer factor 2, are known to be regulated by these kinases. Edited: Shamovsky, V, 2010-02-27 Reviewed: Gillespie, ME, 2010-02-27 Authored: Shamovsky, V, 2009-12-16 |
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| definition source |
Pubmed10878576 Pubmed8533096 Reactome, http://www.reactome.org Pubmed8622669 Pubmed15837794 |
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activated TAK1 mediates p38 MAPK activation |
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| prefixIRI |
HINO:0015708 |
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activated TAK1 mediates p38 MAPK activation |
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| seeAlso |
GENE ONTOLOGYGO:0000187 ReactomeREACT_21399 Reactome Database ID Release 43450302 |
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http://purl.obolibrary.org/obo/HINO_0026417 http://purl.obolibrary.org/obo/HINO_0026425 http://purl.obolibrary.org/obo/HINO_0026427 |