Mesenchymal Stem Cells Paracrine Proteins From Three-Dimensional Dynamic Culture System Promoted Wound Healing in Third-Degree Burn Models
July 2023
in “
Bioengineering & translational medicine
”
mesenchymal stem cell paracrine proteins 3D dynamic culture system PEG thermogel dermal fibroblasts keratinocytes re-epithelialization skin appendage recovery angiogenesis CD26+/Sca-1+ cells Dlk-1+/Sca-1+ cells MSC-PP 3D culture PEG gel fibroblasts skin cells new skin formation blood vessel formation
TLDR Mesenchymal stem cell proteins in a special gel improved healing of severe burns.
The study demonstrated that mesenchymal stem cell paracrine proteins (MSC-PP) derived from a 3D dynamic culture system, combined with PEG thermogel, significantly improved wound healing in third-degree burn models. The MSC-PP treatment enhanced the migration and proliferation of dermal fibroblasts and keratinocytes, reduced inflammation, and promoted re-epithelialization, skin appendage recovery, and angiogenesis. The PEG thermogel provided a stable release of MSC-PP and exhibited no cytotoxicity, making it an effective carrier for MSC-PP delivery. The MSC-PP + PEG group showed the most effective wound contraction, minimal scarring, and the highest presence of CD26+/Sca-1+ and Dlk-1+/Sca-1+ cells, which are crucial for inhibiting scar formation.