MEKK3 is a member of the MEKK family of protein kinases that directly regulate SAPK and ERK pathway but not the p38 pathway. MEKK3 modulates SAPK and ERK activity by activating the upstream targets SEK and MEK1/2, respectively. KSR2 can regulate the activity of MEKK3 and can reduce MEKK3-mediated ERK activation. Knockout of the MEKK3 gene in mice leads to disruption of blood vessel development and the structural integrity of the yolk sac. The blockage of angiogenesis in these mice is not a result of decreased VEGF1 expression but rather due to an intrinsic defect in Mekk3 -/- endothelial cells. Thus, MEKK3 is necessary for blood vessel development and may be a possible target for drugs that control angiogenesis.
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Supplied in 50 mM Tris-HCl, pH 7.5, with 150 mM NaCl, 0.25 mM DTT, 0.1 mM EGTA, 0.1 mM EDTA, 0.1 mM PMSF, and 25% glycerol.
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PRECISIO is a registered trademark of Merck KGaA, Darmstadt, Germany
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10 - Combustible liquids
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The Journal of biological chemistry, 272(5), 2668-2674 (1997-01-31)
The extracellular signal-regulated kinase (ERK) pathway, the stress-activated protein kinase (SAPK) pathway, and the p38 pathway are three major mitogen-activated protein kinase (MAPK) cascades known to participate in the regulation of cellular responses to a variety of extracellular signals. Upstream
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