Age-associated changes in regenerative capabilities of mesenchymal stem cell: impact on chronic wounds repair

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Mesenchymal stem cells (MSCs) represent an ideal source of autologous cell-based therapy for chronic wounds. Functional characteristics of MSCs may benefit wound healing by exerting their multi-regenerative potential. However, cell ageing resulting from chronic degenerative diseases or donor age could cause inevitable effects on the regenerative abilities of MSCs. A variety of studies have shown the relationship between MSC ageing and age-related dysfunction, but few associate these age-related impacts on MSCs with their ability of repairing chronic wounds, which are common in the elderly population. Here, we discuss the age-associated changes of MSCs and describe the potential impacts on MSC-based therapy for chronic wounds. Furthermore, critical evaluation of the current literatures is necessary for understanding the underlying mechanisms of MSC ageing and raising the corresponding concerns on considering their possible use for chronic wound repair.

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