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The unique protein kinase Cη: implications for breast cancer (review)
Deepanwita Pal1, Alakananda Basu1
1Department of Molecular and Medical Genetics, University of North Texas Health Science Center and Institute for Cancer Research, Fort Worth, TX 76107, USA.
Abstract:
Deregulation of key signal transduction pathways that govern important cellular processes leads to cancer. The development of effective therapeutics for cancer warrants a comprehensive understanding of the signaling pathways that are deregulated in cancer. The protein kinase C (PKC) family has served as an attractive target for cancer therapy for decades owing to its crucial roles in several cellular processes. PKCη is a novel member of the PKC family that plays critical roles in various cellular processes such as growth, proliferation, differentiation and cell death. The regulation of PKCη appears to be unique compared to other PKC isozymes, and there are conflicting reports regarding its role in cancer. This review focuses on the unique aspects of PKCη in terms of its structure, regulation and subcellular distribution and speculates on how these features could account for its distinct functions. We have also discussed the functional implications of PKCη in cancer with particular emphasis on breast cancer.
Insights
Protein kinase C eta (PKCη) has unique features influencing its role in cancer. This review explores PKCη
Area of Science:
- Molecular Biology
- Oncology
- Signal Transduction
Background:
- Cancer arises from deregulated cellular signaling pathways.
- The protein kinase C (PKC) family is a crucial target for cancer therapy.
- PKCη, a novel PKC isozyme, plays significant roles in cell growth, proliferation, differentiation, and death.
Purpose of the Study:
- To review the unique structural, regulatory, and subcellular distribution aspects of PKCη.
- To explore how these unique features contribute to PKCη's distinct functions.
- To discuss the functional implications of PKCη in cancer, particularly breast cancer.
Main Methods:
- Literature review focusing on PKCη structure, regulation, and subcellular localization.
- Analysis of existing research on PKCη's role in various cellular processes.
- Discussion of functional implications in cancer, with a focus on breast cancer.
Main Results:
- PKCη exhibits unique regulatory mechanisms and subcellular distribution compared to other PKC isozymes.
- Conflicting reports exist regarding PKCη's precise role in cancer development.
- The unique features of PKCη likely account for its distinct cellular functions.
Conclusions:
- Understanding the unique characteristics of PKCη is essential for elucidating its role in cancer.
- PKCη's distinct structure and regulation suggest a complex involvement in oncogenesis.
- Further research into PKCη is warranted for potential therapeutic strategies, especially in breast cancer.