Insulin modified Decellularized Adipose Tissue/Tremella Polysaccharide hydrogel loaded with ADSCs for skin wound healing

  • Impact factors: 3.322
  • Publication: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
  • Author:Jianyue Dong, Linghong Kong, Weiwei Jiang, Qi Wang, Yun Chen, Hanping Liu
  • DOI citation-doi:10.1016/j.bbrc.2023.03.027
  • Date:2023-03-11

Full-thickness skin wounds still represent a challenge for clinical treatment. Adipose-derived stem cells (ADSCs) therapy is a promising approach to achieve efficient healing in skin wounds. The excellent cell scaffold can promote proliferation, differentiation and paracrine of ADSCs in wound microenvironment, and is a key factor in ADSCs application. Herein, we first prepared the composite hydrogel with decellularized adipose tissue (DAT) and tremella polysaccharide (TPS), and loaded insulin (INS) into the DAT/TPS composite hydrogel (DAT/TPS-gel) to fabricate an efficient carrier for ADSCs in treating skin wound. Our study showed that INS modified DAT/TPS-gel (INS-DAT/TPS-gel) can promote the proliferation, differentiation and paracrine of ADSCs. INS-DAT/TPS-gel laden with ADSCs (ADSCs/INS-DAT/TPS-gel) effectively facilitated the skin wound healing in SD rats. These findings indicated that INS-DAT/TPS-gel was an effective scaffold for ADSCs transplantation, and ADSCs/INS-DAT/TPS-gel provides a potential strategy for the treatment of skin wounds.

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