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Over the past decade, protein kinase B (PKB, also termed Akt) has emerged as an important signaling mediator between extracellular cues and modulation of gene expression, metabolism, and cell survival. The enzyme is tightly controlled and consequences of its deregulation include loss of growth control and oncogenesis. Recent work has better characterized the mechanism of PKB activation, including...
Although substantial studies have begun to explore the regulation of phosphatidylinositol 3-kinase/Akt cascade by different signalling pathways, whether protein kinase C (PKC) activity plays a crucial role remains as yet unclear. In this study, we found that in A549 and HEK293 cells non-selective PKC inhibitors Ro 31-8220 and bisindolylmaleimide VIII, and PKCβ inhibitor LY 379196, caused Akt/PKB phosphorylation...
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