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Involvement of PKC-alpha in PMA-induced facilitation of exocytosis and vesicle fusion in PC12 cells

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Involvement of PKC-alpha in PMA-induced facilitation of exocytosis and vesicle fusion in PC12 cells

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Title: Involvement of PKC-alpha in PMA-induced facilitation of exocytosis and vesicle fusion in PC12 cells
Author: Xue, Renhao; Zhao, Yanying; Chen, Peng
Copyright year: 2009
Abstract: Phorbol-12-myristate-13-acetate, a stable analog of the important signaling membrane lipid diacylglycerol (DAG), is known to potentiate exocytosis and modulate vesicle fusion kinetics in neurons and endocrine cells. The exact mechanisms underlying the actions of PMA, however, is often not clear, largely because of the diversity of the DAG/PMA receptors involved in the exocytotic process, which include, most notably, various isoforms of protein kinase C (PKC). In this study, the roles of PKCa in PMA-mediated regulation of exocytosis were investigated by over-expressing wild-type PKCa (wt-PKCa) or dominant negative PKCa (dn-PKCa). Amperometric measurements based on carbon fiber microelectrodes demonstrated that PKCa has a key role in the PMA-mediated facilitation of exocytosis and vesicle fusion in neuroendocrine PC12 cells.
Subject: DRNTU::Science::Medicine::Biomedical engineering
Type: Journal Article
Series/ Journal Title: Biochemical and biophysical research communications
School: School of Chemical and Biomedical Engineering
Rights: © 2009 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Biochemical and Biophysical Research Communications, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI: http://dx.doi.org/10.1016/j.bbrc.2009.01.105].
Version: Accepted version

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