Protein Information

Name p42
Synonyms CDC2 related kinase 1; p42; CDKL 1; CDKL1; Cyclin dependent kinase like 1; KKIALRE; Protein kinase p42 KKIALRE; Serine/threonine protein kinase KKIALRE…

Compound Information

Name sodium arsenite
CAS sodium arsenenite

Reference List

PubMed Abstract RScore(About this table)
15056798 Trouba KJ, Germolec DR: Micromolar concentrations of sodium arsenite induce cyclooxygenase-2 expression and stimulate p42/44 mitogen-activated protein kinase phosphorylation in normal human epidermal keratinocytes. Toxicol Sci. 2004 Jun;79(2):248-57. Epub 2004 Mar 31.
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9288946 Thomas G, Haavik J, Cohen P: Participation of a stress-activated protein kinase cascade in the activation of tyrosine hydroxylase in chromaffin cells. Eur J Biochem. 1997 Aug 1;247(3):1180-9.

Sodium arsenite and osmotic shock both stimulated stress-activated protein kinase-2 (SAPK2, also termed RK, p38, CSBP and Mxi2) and its downstream target mitogen-activated protein kinase (MAP kinase)-activated protein kinase-2 (MAPKAP-K2) in bovine adrenal chromaffin and rat PC12 cells.
Stimulation of bovine adrenal chromaffin cells with acetylcholine activated SAPK2 and MAPKAP-K2, as well as p42/p44 MAP kinases and their downstream target MAPKAP-K1.
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7923353 Rouse J, Cohen P, Trigon S, Morange M, Alonso-Llamazares A, Zamanillo D, Hunt T, Nebreda AR: A novel kinase cascade triggered by stress and heat shock that stimulates MAPKAP kinase-2 and phosphorylation of the small heat shock proteins. Cell. 1994 Sep 23;78(6):1027-37.

MAPK-activated protein kinase-2 (MAPKAP kinase-2) is activated in vitro by the p42 and p44 isoforms of MAPK (p42/p44MAPK).
In several cell lines, however, MAPKAP kinase-2 is activated by sodium arsenite, heat shock, or osmotic stress and not by agonists that activate p42/p44MAPK.
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8665897 Meier R, Rouse J, Cuenda A, Nebreda AR, Cohen P: Cellular stresses and cytokines activate multiple mitogen-activated-protein kinase kinase homologues in PC12 and KB cells. Eur J Biochem. 1996 Mar 15;236(3):796-805.


In PC12 cells, the same two upstream activators, SAP kinase kinase-1 (SAPKK-1) and SAPKK-2 were activated after exposure to osmotic shock, ultraviolet irradiation or the protein synthesis inhibitor anisomycin, and more weakly in response to sodium arsenite.
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9877156 McDowell HE, Eyers PA, Hundal HS: Regulation of System A amino acid transport in L6 rat skeletal muscle cells by insulin, chemical and hyperthermic stress. FEBS Lett. 1998 Dec 11;441(1):15-9.


Uptake of alpha-methyl-aminoisobutyric acid (Me-AIB), a non-metabolisable System A substrate, was increased by between 50% and 80% when muscle cells were exposed to a maximally effective concentration of insulin (100 nM), sodium arsenite (ARS, 0.5 mM) or a 42 degrees C heat shock (HS).
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