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Protein kinase D and keratinocyte proliferation
Wendy B Bollag1, M Ernest Dodd, Brian A Shapiro
1Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, Georgia 30912, USA. wbollag@mail.mcg.edu
Drug News & Perspectives
|April 21, 2004
Summary
Protein kinase D (PKD), also known as PKC micro, is crucial for skin cell growth. Targeting PKD may offer new treatments for skin disorders like psoriasis and cancer.
Area of Science:
- Dermatology
- Molecular Biology
- Biochemistry
Background:
- Keratinocytes are vital for skin barrier function, with their proliferation and differentiation tightly regulated.
- Dysregulation of keratinocyte proliferation contributes to skin diseases like psoriasis and nonmelanoma skin cancer.
- Protein kinase C (PKC) was initially implicated in keratinocyte proliferation, but another kinase, protein kinase D (PKD), has emerged as significant.
Purpose of the Study:
- To investigate the role of protein kinase D (PKD)/PKC micro in keratinocyte proliferation.
- To explore PKD/PKC micro as a potential therapeutic target for hyperproliferative skin disorders.
Main Methods:
- The study focuses on the known functions and implications of PKD/PKC micro in keratinocytes based on existing research.
- No new experimental methods are detailed in this abstract; it synthesizes current knowledge.
Main Results:
- PKD/PKC micro is identified as a diacylglycerol/phorbol ester-responsive protein kinase in keratinocytes.
- Evidence suggests PKD/PKC micro plays a role in regulating keratinocyte proliferation.
- Currently, specific inhibitors for PKD are unavailable.
Conclusions:
- PKD/PKC micro is a promising novel target for developing improved treatments for hyperproliferative skin conditions.
- Targeting PKD/PKC micro could overcome limitations of current therapies for skin disorders, offering better efficacy and fewer side effects.