Clinical and Translational Oncology

, Volume 21, Issue 3, pp 259–267 | Cite as

Classical Protein Kinase C: a novel kinase target in breast cancer

  • R. K. Singh
  • S. Kumar
  • M. S. Tomar
  • P. K. Verma
  • S. P. Singh
  • P. K. Gautam
  • A. AcharyaEmail author
Review Article


Classical protein kinase C (cPKC) enzymes are ser/thr protein kinases that have been an important factor in regulating a variety of cellular functions required for both in terms of health and disease. Therefore, precise control of cPKC-mediated signal is necessary for cellular homeostasis; however, their dysregulation leads to the development of several pathophysiological conditions including cancer. In cellular microenvironment, cPKC-mediated signaling is accompanied by multiple molecular mechanisms including phosphorylation, second messenger binding, and scaffold proteins. Functional cPKC interacts with a number of cellular proteins involved in the regulation of multiple biological functions such as cell growth, survival, migration, and adhesion. Further, the role of cPKC varies from cell to cell, substrate to substrate and, therefore, it is plausible to assume that the dysregulation of cPKC activity causes cellular transformation. Currently, there is no sufficient literature available to provide better understating to develop an effective therapeutic regimen to reverse pathophysiological condition caused by functionally dysregulated cPKC. Therefore, in the present review, we have focused on to provide a better and detail information on the various aspects of cPKC such as structure, mode of activation, regulation, and distinct cellular functions useful for the development of an effective therapeutic regimen against the breast cancer.


Classical protein kinase C Breast cancer Cell adhesion Cellular microenvironment Estrogen receptor 



We are grateful to the CSIR-UGC, New Delhi for the financial support to RKS for his research work.

Compliance with ethical standards

Conflict of interest

All the authors declare that they have no any conflict of interest.

Ethical approval

This article does not contain any studies with human participants performed by any of the author.

Informed consent

For this type of study formal consent is not required.


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Copyright information

© Federación de Sociedades Españolas de Oncología (FESEO) 2018

Authors and Affiliations

  1. 1.Immunology lab, Department of Zoology, Institute of ScienceBanaras Hindu UniversityVaranasiIndia
  2. 2.Department of BiochemistryAll India Institute of Medical SciencesNew DelhiIndia

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