Mechanisms of action of mesenchymal stem cells in cutaneous wound repair and regeneration
- 25 March 2012
- journal article
- review article
- Published by Springer Science and Business Media LLC in Cell and tissue research
- Vol. 348 (3), 371-377
- https://doi.org/10.1007/s00441-012-1393-9
Abstract
Mesenchymal stem cells (MSCs) are multipotent cells with the capacity for self-renewal and differentiation and have a broad tissue distribution. These characteristics make them candidate cells for wound healing and regeneration in a variety of disorders. Endogenous MSCs or exogenously delivered MSCs can traffic and migrate to injured tissue and participate in the healing of this tissue. The concentrated conditioned medium from MSCs can modulate wound repair without MSCs being present in the wound. The therapeutic effects of MSCs might be attributable to their ability to differentiate and transdifferentiate into tissue-specific cells, to fuse with the resident cells, to secrete a wide array of paracrine factors in order to stimulate the survival and functional recovery of the resident cells, or to regulate the local microenviroment or niche and immune response. These mechanisms are probably independent but not mutually exclusive. In many circumstances, a combination of these protective mechanisms might work together to affect cutaneous wound healing. This review gives a brief overview and discusses the mechanisms by which MSCs promote skin repair and regeneration, although the specific mechanisms in each type of cutaneous wound are still unclear and controversial. A comprehensive understanding of the mechanisms should allow us to find advanced and better treatment strategies for various skin diseases, even those that are currently incurable.Keywords
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