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Stimulation of the extracellular matrix production in dermal fibroblasts by velvet antler extract


, : Stimulation of the extracellular matrix production in dermal fibroblasts by velvet antler extract. Annals of Dermatology 22(2): 173-179

Fibroblasts produce many components of the extracellular matrix (ECM) and so they contribute to the maintenance of connective tissue integrity. The aim of this study is to evaluate the effect of velvet antler extract (VAE) on the ECM production of dermal fibroblasts cultured in vitro. Primary cultured human dermal fibroblasts were treated with VAE, and then the ECM production was determined by RT-PCR, ELISA and Western blot analysis. Furthermore, the change of gene expression according to VAE treatment was evaluated by cDNA microarray. VAE accelerated the growth of fibroblasts in a dose-dependent manner. VAE increased the production of several ECM components, including type 1 collagen, fibronectin and elastin. In line with these results, the phosphorylations of p42/44 ERK and p38 mitogen-activated protein kinase were markedly increased by VAE, suggesting that the enhancement of ECM production may be linked to the activation of intracellular signaling cascades. VAE also significantly increased cell migration on an in vitro scratch wound test. In cDNA microarray, many genes related with connective tissue integrity were identified to be up-regulated by VAE. These results suggest that VAE has a potential to stimulate ECM production, and VAE may be applicable for maintaining the skin's texture.

US$19.90

PMID: 20548908

DOI: 10.5021/ad.2010.22.2.173


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