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Cancers 2014, 6(2), 860-878; doi:10.3390/cancers6020860
Review

The Multifunctional Protein Kinase C-ε in Cancer Development and Progression

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Received: 26 February 2014 / Revised: 27 March 2014 / Accepted: 1 April 2014 / Published: 10 April 2014
(This article belongs to the Special Issue Kinases and Cancer)
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Abstract

The protein kinase C (PKC) family proteins are important signal transducers and have long been the focus of cancer research. PKCɛ, a member of this family, is overexpressed in most solid tumors and plays critical roles in different processes that lead to cancer development. Studies using cell lines and animal models demonstrated the transforming potential of PKCɛ. While earlier research established the survival functions of PKCɛ, recent studies revealed its role in cell migration, invasion and cancer metastasis. PKCɛ has also been implicated in epithelial to mesenchymal transition (EMT), which may be the underlying mechanism by which it contributes to cell motility. In addition, PKCɛ affects cell-extracellular matrix (ECM) interactions by direct regulation of the cytoskeletal elements. Recent studies have also linked PKCɛ signaling to cancer stem cell functioning. This review focuses on the role of PKCɛ in different processes that lead to cancer development and progression. We also discussed current literatures on the pursuit of PKCɛ as a target for cancer therapy.
Keywords: PKCɛ; survival; EMT; metastasis; cancer stem cells; microRNA PKCɛ; survival; EMT; metastasis; cancer stem cells; microRNA
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Jain, K.; Basu, A. The Multifunctional Protein Kinase C-ε in Cancer Development and Progression. Cancers 2014, 6, 860-878.

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