Phenotypic and functional changes in dermal primary fibroblasts isolated from intrinsically aged human skin.

Abstract excerpt

Dermal fibroblasts play a key role in maintaining skin homoeostasis by synthesizing and degrading extracellular matrix components. During ageing, they are subjected to changes, such as the loss of type I collagen expression and an increased synthesis of metalloproteinase I, leading to fragmentation of collagen fibrils with consequent reduction of the mechanical tension and defects of skin wound healing. Most...

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