期刊
TISSUE & CELL
卷 32, 期 1, 页码 95-101出版社
CHURCHILL LIVINGSTONE
DOI: 10.1054/tice.1999.0091
关键词
skin; extracellular matrix; type III collagen; decorine; nacre
The components of the cutaneous envelope, the epidermis and the dermis, change in response to aging or environmental stress factors. The fibroblasts involved in maintaining skin tone are the main targets. Nacre, mother of pearl, from Pinctada maxima, which can stimulate and regulate bone forming cells, was implanted in the dermis of rats to test its action on the skin fibroblasts. This report describes the effect of nacre on the skin fibroblast recruitment and physiological activity. It resulted in enhanced extracellular matrix synthesis and the production of components implicated in cell to cell adhesion and communication (such as decorine) and in tissue regeneration (type I and type III collagens). The nacre implant produced a well vascularized tissue. The physiological conditions in the region around the implant are thus those required for the positive interactions between the dermis and epidermis which are fundamental for the physiological function of the skin. (C) 2000 Harcourt Publishers Ltd.
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