Fetal microchimerism in skin wound healing.

Skin wound healing is a complex regenerative process involving various cell types. We recently investigated whether fetal microchimeric cells (FMCs) acquired during gestation contribute to maternal wound healing and used fetal microchimerism to investigate the recruitment of distant endothelial progenitor cells in skin wounds. Our study showed that fetal progenitor cells are recruited into maternal wounds and participate in inflammation and angiogenesis. These fetal cells might have beneficial effects in situations of maternal defective healing, and might also modify the adult maternal wound environment toward a scarless fetal-like wound healing.