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Current Stem Cell Research & Therapy

Editor-in-Chief

ISSN (Print): 1574-888X
ISSN (Online): 2212-3946

Research Article

Preliminary Study on Human Adipose Stem Cells Promoting Skin Wound Healing through Notch Signaling Pathway

Author(s): Yi Wang, Mengjie Dong, Yang Zheng, Chao Wang, Xu Ding, Heming Wu, Yunong Wu, Wei Zhang* and Xiaomeng Song*

Volume 18, Issue 5, 2023

Published on: 13 January, 2023

Page: [699 - 711] Pages: 13

DOI: 10.2174/1574888X18666221216123259

Price: $65

Abstract

Background: Mesenchymal stem cells (MSCs) have been documented as possible candidates for wound healing treatment because their use could reinforce the regenerative capacity of many tissues. Human adipose stem cells (hADSCs) have the advantages of easy access, large quantity and easy operation. They can be fully applied in the treatment of skin wounds.

Objective: In this study, we aim to explore the roles and potential mechanisms of hADSCs in cutaneous wound healing.

Methods: hADSCs were obtained from human subcutaneous fat. Adipocytes and osteocytes differentiated from hADSCs were determined by staining with Oil Red O and alkaline phosphatase (ALP), respectively. We assessed the effects of hADSCs and hADSC conditional medium (CM) on wound healing in an injury model of mice. Then, we investigated the biological effects of hADSCs on human keratinocytes HaCAT cells in vitro.

Results: The results showed that hADSCs could be successfully differentiated into osteogenic and lipogenic cells. hADSCs and hADSCs-CM significantly promote skin wound healing in vivo. hADSCs significantly promoted HaCAT cell proliferation and migration by activating the Notch signaling pathway and activated the AKT signaling pathway by Rps6kb1 kinase in HaCAT cells. In addition, we found that hADSCs-mediated activation of Rps6kb1/AKT signaling was dependent on the Notch signaling pathway.

Conclusion: We demonstrated that hADSCs can promote skin cell-HaCAT cell proliferation and migration via the Notch pathway, suggesting that hADSCs may provide an alternative therapeutic approach for the treatment of skin injury.

Graphical Abstract

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