Expression profiles of tyrosine kinases in cultured follicular papilla cells versus dermal fibroblasts

The Journal of Investigative Dermatology
Dawen YuTung-Tien Sun

Abstract

Tyrosine kinases play crucial roles in cell differentiation and proliferation. Using degenerative primed PCR followed by differential display, we analyzed the tyrosine kinase expression profiles of cultured rat follicular papilla (FP) cells versus dermal fibroblasts. We showed that c-met, cdc2, and tec were preferentially expressed in cultured FP cells, whereas alpha-platelet-derived growth factor receptor (alpha-PDGFR) was preferentially expressed in cultured fibroblasts. The cell type specificity of these tyrosine kinases was confirmed by semi-quantitative RT-PCR using both rat and human cultured cells. Consistent with these results, hepatocyte growth factor preferentially stimulated the growth of rat FP cells, whereas PDGF-AA preferentially stimulated rat fibroblasts. High concentrations of some these kinases are also found in the follicular matrix keratinocytes as revealed by in situ hybridization. The expression of specific tyrosine kinases in FP and matrix cells may play roles in regulating hair growth and cycling.

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Citations

Jul 1, 2006·The Journal of Investigative Dermatology·Susan E RutbergDouglas Shander
Dec 9, 2014·International Journal of Cosmetic Science·C Mifude, K Kaseda
May 29, 2020·Indian Journal of Dermatology, Venereology and Leprology·Saritha MohananRamachandran V Bhat

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