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Identification of Novel CK2 Kinase Substrates Using a Versatile Biochemical Approach
Published on: February 21, 2019
Calcium/calmodulin-dependent protein kinases as potential targets in cancer therapy
Oswaldo Rodriguez-Mora1, Michelle M LaHair, Christopher J Howe
1Department of Microbiology and Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA.
Abstract:
In this review the authors discuss the expression and activation of a family of protein kinases known as the calcium/calmodulin-dependent kinases (CaM-kinase) and the role that these kinases have in the activation of antiapoptotic signalling pathways. In addition, the authors outline a novel mechanism of activation of these kinases by oxidative stress. Founded on this novel mechanism of activation and the role that these kinases have in activating antiapoptotic signalling pathways, the authors propose that the CaM-kinases would make very good targets for sensitising cancer cells to certain therapeutic treatments. Furthermore, the authors discuss the role that these kinases have in cell transformation and in the regulation of the cell cycle. Based on these roles the authors suggest that inhibition of the CaM-kinases not only has the potential to sensitise cancer cells, but also has the potential to induce cytostasis in these cells.
Insights
Calcium/calmodulin-dependent kinases (CaM-kinases) activate antiapoptotic pathways and are activated by oxidative stress. Targeting CaM-kinases may sensitize cancer cells to therapy and induce cell cycle arrest.
Area of Science:
- Molecular Biology
- Cell Biology
- Biochemistry
Background:
- Calcium/calmodulin-dependent kinases (CaM-kinases) are crucial regulators of cellular processes.
- Their role in antiapoptotic signaling pathways is increasingly recognized.
- Emerging evidence suggests a link between CaM-kinases and cellular responses to oxidative stress.
Purpose of the Study:
- To review the expression and activation mechanisms of CaM-kinases.
- To elucidate the role of CaM-kinases in antiapoptotic signaling.
- To explore the potential of CaM-kinases as therapeutic targets in cancer treatment.
Main Methods:
- Literature review of studies on CaM-kinase expression, activation, and function.
- Analysis of signaling pathways regulated by CaM-kinases, including antiapoptotic and cell cycle pathways.
- Discussion of novel activation mechanisms, such as oxidative stress-induced activation.
Main Results:
- CaM-kinases play a significant role in activating antiapoptotic signaling pathways.
- A novel mechanism for CaM-kinase activation by oxidative stress has been identified.
- CaM-kinases are implicated in cell transformation and cell cycle regulation.
Conclusions:
- CaM-kinases are promising targets for sensitizing cancer cells to therapeutic treatments.
- Inhibition of CaM-kinases may induce cytostasis and enhance cancer therapy efficacy.
- Further research into CaM-kinase regulation and function could lead to novel cancer treatment strategies.
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