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Akt Signaling

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AKT/PKB Pathway is an evolutionarily conserved serine/threonine kinase Pathway involved in a wide variety of cellular functions, including proliferation, cell survival, differentiation, glucose mobilization, homeostasis, cell migration, and apoptosis. Three isoforms, AKT1,AKT2, and AKT3, are expressed in mammals (Ref.1 & 2). Akt is a central node in cell signaling downstream of growth factors, cytokines, and other cellular stimuli. Aberrant loss or gain of Akt activation underlies the pathophysiological properties of a variety of complex diseases, including type-2 diabetes and cancer (Ref.3). All three isoforms of Akt share a common structure of three domains. The N-terminus of the protein is a PH (Pleckstrin Homology) domain, which interacts with membrane lipid products such as PIP2 (Phosphatidylinositol-3,4-Bisphosphate) and PIP3 (Phosphatidylinositol-3,4,5-Triphosphate). The PH [...]


1.Crowell JA, Steele VE, Fay JR.
Targeting the AKT protein kinase for cancer chemoprevention.
Mol Cancer Ther. 2007 Aug;6(8):2139-48. Review.
2.Cenni V, Bavelloni A, Beretti F, Tagliavini F, Manzoli L, Lattanzi G, Maraldi NM, Cocco L, Marmiroli S.
Ankrd2/ARPP is a novel Akt2 specific substrate and regulates myogenic differentiation upon cellular exposure to H(2)O(2).
Mol Biol Cell. 2011 Aug 15;22(16):2946-56. doi: 10.1091/mbc.E10-11-0928. Epub 2011 Jul 7.
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