Dead but functional liquid nitrogen‐treated umbilical cord mesenchymal stem cells accelerate full‐thickness skin wound healing

Background The direct application of umbilical cord‐derived mesenchymal stem cells (UCMSCs) for promoting skin wound healing and regeneration is challenging due to strict maintenance requirements and unpredictable differentiation results. Methods We developed dead but functional liquid nitrogen‐trea...

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Bibliographic Details
Published in:Clinical and translational discovery 2023-08, Vol.3 (4), p.n/a
Main Authors: Yang, Yan, Feng, Yuqing, Hu, Meirong, Deng, Jingxian, Wei, Siying, Wang, Zhaoyang, Li, Lu, Huang, Rufei, Wang, Yuxin, Liu, Yuan, Ye, Tao, Huang, Yadong
Format: Article
Language:English
Subjects:
Angiogenesis
Antibodies
Bone marrow
Cell adhesion & migration
Cell growth
cryo‐shocking
Diabetes
Inflammation
Injuries
Nitrogen
Proteins
Scanning electron microscopy
Skin
Stains & staining
Stem cells
Umbilical cord
umbilical cord‐derived mesenchymal stem cell
Wound healing
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Summary:Background The direct application of umbilical cord‐derived mesenchymal stem cells (UCMSCs) for promoting skin wound healing and regeneration is challenging due to strict maintenance requirements and unpredictable differentiation results. Methods We developed dead but functional liquid nitrogen‐treated UCMSCs (LNT‐MSCs) by rapidly immersing live UCMSCs (live‐MSCs) in liquid nitrogen. Results The LNT‐MSCs maintained similar cellular structures and surface markers to those of live‐MSCs. We evaluated the therapeutic effects of both live‐MSCs and LNT‐MSCs on full‐thickness skin wound healing in rats. Our results showed that the LNT‐MSCs accelerated wound closure by enhancing the proliferation and migration of skin cells, promoting angiogenesis, and inducing a favourable macrophage phenotype shift. The regenerative healing effect of LNT‐MSCs was comparable to that of live‐MSCs, making them a potential alternative strategy for accelerating wound closure that avoids unpredictable differentiation results and creates a ready‐to‐use cell bank for clinical applications. LNT‐MSCs maintained similar cellular structures and surface markers to those of live‐MSCs. LNT‐MSCs accelerated wound closure by enhancing the proliferation and migration of skin cells, promoting angiogenesis, and inducing a favourable macrophage phenotype shift. The regenerative healing effect of LNT‐MSCs was comparable to that of live‐MSCs. LNT‐MSCs are a potential alternative strategy for accelerating wound closure that avoids unpredictable differentiation results and creates a ready‐to‐use cell bank for clinical applications.
ISSN:2768-0622
2768-0622
DOI:10.1002/ctd2.193