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Gene. 2016 Sep 15;590(1):90-6. doi: 10.1016/j.gene.2016.06.016. Epub 2016 Jun 13.

PRKCE gene encoding protein kinase C-epsilon-Dual roles at sarcomeres and mitochondria in cardiomyocytes.

Author information

1
Departments of Physiology, Medicine (Cardiology) and Bioinformatics, NIH BD2K Center of Excellence for Biomedical Computing, University of California Los Angeles, Los Angeles, CA 90095, USA. Electronic address: sarahbscruggs@gmail.com.
2
Departments of Physiology, Medicine (Cardiology) and Bioinformatics, NIH BD2K Center of Excellence for Biomedical Computing, University of California Los Angeles, Los Angeles, CA 90095, USA.
3
Departments of Physiology, Medicine (Cardiology) and Bioinformatics, NIH BD2K Center of Excellence for Biomedical Computing, University of California Los Angeles, Los Angeles, CA 90095, USA. Electronic address: peipeiping@earthlink.net.

Abstract

Protein kinase C-epsilon (PKCε) is an isoform of a large PKC family of enzymes that has a variety of functions in different cell types. Here we discuss two major roles of PKCε in cardiac muscle cells; specifically, its role in regulating cardiac muscle contraction via targeting the sarcomeric proteins, as well as modulating cardiac cell energy production and metabolism by targeting cardiac mitochondria. The importance of PKCε action is described within the context of intracellular localization, as substrate selectivity and specificity is achieved through spatiotemporal targeting of PKCε. Accordingly, the role of PKCε in regulating myocardial function in physiological and pathological states has been documented in both cardioprotection and cardiac hypertrophy.

KEYWORDS:

Cardiac hypertrophy; Cardioprotection; Drug target; Myocardial function; Phosphorylation; Substrates

PMID:
27312950
PMCID:
PMC5366072
DOI:
10.1016/j.gene.2016.06.016
[Indexed for MEDLINE]
Free PMC Article

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