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KMID : 1377020220190050961
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Tissue Engineering and Regenerative Medicine
2022 Volume.19 No. 5 p.961 ~ p.968
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Stem Cell-Derived Exosomes: A New Method for Reversing Skin Aging
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Wu Jin-Yan
Wu Sai-Nan
Zhang Li-Ping
Zhao Xian-Sheng
Li Yue
Yang Qu-Yang
Yuan Ruo-Yue
Liu Jian-Lan
Mao Hong-Ju
Zhu Ning-Wen
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Abstract
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Senescence is an inevitable natural life process that involves structural and functional degeneration of tissues and organs. Recently, the process of skin aging has attracted much attention. Determining a means to delay or even reverse skin aging has become a research hotspot in medical cosmetology and anti-aging. Dysfunction in the epidermis and fibroblasts and changes in the composition and content of the extracellular matrix are common pathophysiological manifestations of skin aging. Reactive oxygen species and matrix metalloproteinases play essential roles in this process. Stem cells are pluripotent cells that possess self-replication abilities and can differentiate into multiple functional cells under certain conditions. These cells also possess a strong ability to facilitate tissue repair and regeneration. Stem cell transplantation has the potential for application in anti-aging therapy. Increasing studies have demonstrated that stem cells perform functions through paracrine processes, particularly those involving exosomes. Exosomes are nano-vesicular substances secreted by stem cells that participate in cell-to-cell communication by transporting their contents into target cells. In this chapter, the biological characteristics of exosomes were reviewed, including their effects on extracellular matrix formation, epidermal cell function, fibroblast function and antioxidation. Exosomes derived from stem cells may provide a new means to reverse skin aging.
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KEYWORD
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Mesenchymal stem cell, Exosomes, Skin aging, Anti-aging, Antioxidation
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