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Assessment of Mitochondrial Functions and Cell Viability in Renal Cells Overexpressing Protein Kinase C Isozymes
Published on: January 7, 2013
Protein kinase Cepsilon makes the life and death decision
Alakananda Basu1, Usha Sivaprasad
1Department of Molecular Biology and Immunology, University of North Texas Health Science Center, Fort Worth, TX 76107, USA. abasu@hsc.unt.edu
Cellular Signalling
|June 1, 2007
Summary
Protein kinase C epsilon (PKCepsilon) acts as an oncogene in cancer by promoting cell proliferation and inhibiting cell death. This review explores how PKCepsilon interacts with key signaling pathways to regulate cell survival and apoptosis.
Area of Science:
- Oncology
- Molecular Biology
- Cell Signaling
Background:
- Cancer arises from disrupted cellular signaling pathways controlling cell growth, differentiation, and death.
- Protein Kinase C (PKC) family members are crucial in growth factor signal transduction.
- PKCepsilon is uniquely identified as an oncogene, contributing to malignancy.
Purpose of the Study:
- To review the role of PKCepsilon as an oncogene.
- To elucidate the collaborative mechanisms of PKCepsilon with other signaling pathways.
- To understand how PKCepsilon regulates cell survival and apoptosis.
Main Methods:
- Literature review focusing on PKCepsilon's role in cancer signaling.
- Analysis of PKCepsilon's interactions with Ras/Raf/ERK and Akt pathways.
- Examination of PKCepsilon's influence on Bcl-2 family members.
Main Results:
- PKCepsilon enhances cell proliferation and inhibits apoptosis, contributing to cancer.
- PKCepsilon collaborates with Ras/Raf/ERK and Akt pathways to promote cell survival.
- PKCepsilon modulates pro- and antiapoptotic Bcl-2 family members to mediate antiapoptotic signals.
Conclusions:
- PKCepsilon is a significant oncogene that drives cancer progression.
- Targeting PKCepsilon and its associated pathways offers potential therapeutic strategies.
- Understanding PKCepsilon's role in apoptosis regulation is key to cancer treatment.
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