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  • Title: Can hematopoietic stem cells be an alternative source for skin regeneration?
    Author: Fu X, Sun X.
    Journal: Ageing Res Rev; 2009 Jul; 8(3):244-9. PubMed ID: 19491043.
    Abstract:
    In the past few years, the plasticity of adult cells in several post-natal tissues has attracted special attention in regenerative medicine. Skin is the largest organ in the body. Adult skin consists of epidermis, dermis and appendages such as hair and glands that are linked to the epidermis but project deep into the dermal layer. Stem cell biology of skin has been a focus of increasing interest in current life science. Committed stem cells with a limited differentiation potential for regeneration and repair of epidermis have been known for decades. Recent studies further found that adult skin tissues contain cell populations with pluripotent characteristics. Multipotent stem cells from skin with and without hair follicles, both in epidermal and dermal tissues, can differentiate and generate multiple cell lineages. Especially, the hematopoietic system in epidermal and dermal tissue, like skin, may be a local, acceptable reservoir of various adult stem cell populations. Given their easy accessibility, such stem cells can provide an experimental model not only for skin biology but also for studying the epithelial-mesenchymal cell interactions of organs other than the skin. This review presents an overview of recent advances in research into skin repair and regeneration involving stem cells from epidermis, dermis, and bone marrow. In particular, we focus on the possible use of blood stem cells as an alternative resource for research advances in skin biology.
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