Protein Kinase C and Myocardial Biology and Function
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Key Points
Examine the functional roles and downstream signaling networks of protein kinase C and its isoforms in cardiovascular physiology and myocardial biology.
Literature review analyzing the structural properties, classification, and activation requirements of 12 identified protein kinase C (PKC) isoforms in cardiac tissue.
Evaluation of primary cardiovasotropic signaling cascades influenced directly or downstream by PKC activation.
PKC functions as an essential intracellular transducer for key cardiovasotropic factors including angiotensin, endothelin, and vascular endothelial growth factor.
PKC activation regulates vascular permeability, cellular migration and proliferation, extracellular matrix remodeling, and cytokine expression in cardiovascular tissues.
Isoform diversity enables cross-talk with additional secondary signaling pathways, specifically the Raf-MEK1–MAP kinase and PI3 kinase–Akt cascades.
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Implication
Protein kinase C and its isoforms play a significant role in regulating multiple cardiovascular functions and signaling pathways.