Journal ArticleDOI
MAP kinase kinase kinase, MAP kinase kinase and MAP kinase.
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TLDR
Recent advances have shown that in two MAP kinase pathways (the mating response pathway in the fission yeast Schizosaccharomyces pombe, and receptor tyrosine kinase signalling), the small GTP binding protein ras p21 links membrane events to kinase pathway activation.About:
This article is published in Current Opinion in Genetics & Development.The article was published on 1994-02-01. It has received 987 citations till now. The article focuses on the topics: MAP kinase kinase kinase & Mitogen-activated protein kinase kinase.read more
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Molecular characterisation and expression of an Arabidopsis thaliana L. MAP kinase kinase cDNA, AtMAP2Kα
TL;DR: A relationship analysis using MAP2K catalytic domain sequences from mammals, insect, fungi, yeasts, nematode, protists and plants showed that the plant gene family identified to date encodes a distinct group of proteins.
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Role of the Raf/Mitogen-activated Protein Kinase Pathway in p21ras Desensitization
TL;DR: It is concluded that activation of the Raf/MAP kinase pathway alone in these cells is insufficient to cause disassembly of Sos from Grb2 or to interrupt the ability of SOS to catalyze activation of p21ras.
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Inhibitory mechanism of Korean Red Ginseng on GM-CSF expression in UVB-irradiated keratinocytes
TL;DR: Treatment with SKRG decreased the phosphorylation of EGFR and ERK in UVB-irradiated SP-1 keratinocytes and subsequently inhibited the expression of GM-CSF, and identified ginsenoside-Rh3 as the active saponin in Korean Red Ginseng.
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Activation of the 9E3/cCAF chemokine by phorbol esters occurs via multiple signal transduction pathways that converge to MEK1/ERK2 and activate the Elk1 transcription factor.
TL;DR: It is shown for the first time that activation by PDBu occurs through a segment of the promoter containing Elk1 response elements; deletion and mutation of these elements abrogates 9E3/chicken chemotactic and angiogenic factor expression.
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Journal ArticleDOI
Mammalian Ras interacts directly with the serine/threonine kinase Raf
TL;DR: Raf interacts with wild-type and activated Ras, but not with an effector domain mutant of Ras or with a dominant-interfering Ras mutant, and this interaction is dependent on GTP bound to Ras.
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ERKs: A family of protein-serine/threonine kinases that are activated and tyrosine phosphorylated in response to insulin and NGF
Teri G. Boulton,Steven H. Nye,David J. Robbins,Nancy Y. Ip,Elizabeth Radzlejewska,Sharon D. Morgenbesser,Ronald A. DePinho,Nikos Panayotatos,Melanie H. Cobb,George D. Yancopoulos +9 more
TL;DR: Cl cloning and characterization of two ERK1-related kinases, ERK2 and ERK3, are described and evidence suggesting that there are additional ERK family members is provided, which may serve as intermediates that depend on tyrosine phosphorylation to activate serine/threonineosphorylation cascades.
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cPLA2 is phosphorylated and activated by MAP kinase.
TL;DR: Treatment of cells with agents that stimulate the release of arachidonic acid causes increased serine phosphorylation and activation of cytosolic phospholipase A2 (cPLA2).
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Phosphorylation of c- jun mediated by MAP kinases
TL;DR: Evidence is presented that mitogen-activated protein-serine (MAP) kinases (pp54 and pp42/44) specifically phosphorylate these sites and that their phosphorylation positively regulates the transacting activity of c-jun.
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Raf-1 activates MAP kinase-kinase.
John M. Kyriakis,Harald App,Xian-feng Zhang,Papia Banerjee,David L. Brautigan,Ulf R. Rapp,Joseph Avruch +6 more
TL;DR: Results indicate that c-Raf-1 is an immediate upstream activator of MAPK-K in vivo, the first physiological substrate of the c-raf-l protooncogene product to be identified.