Adipose-Derived Stromal Cells Accelerate Wound Healing in an Organotypic Raft Culture Model

被引:44
作者
Collawn, Sherry S. [1 ]
Banerjee, N. Sanjib [2 ]
de la Torre, Jorge [1 ]
Vasconez, Luis [1 ]
Chow, Louise T. [2 ]
机构
[1] Univ Alabama Birmingham, Div Plast Surg, Birmingham, AL 35294 USA
[2] Univ Alabama Birmingham, Dept Biochem & Mol Genet, Birmingham, AL 35294 USA
关键词
adipose-derived stromal cells; stem cells; wound healing; organotypic cultures; MESENCHYMAL STEM-CELLS; IN-VITRO; HEPARAN-SULFATE; FIBROBLAST-GROWTH; DIFFERENTIATION; BINDING; SURFACE; TISSUE; TRANSPLANTATION; KERATINOCYTES;
D O I
10.1097/SAP.0b013e31823b69fc
中图分类号
R61 [外科手术学];
学科分类号
摘要
Adipose tissue is a known reservoir of multipotent mesenchymal stem cells, which can be manipulated in culture to produce cells with different phenotypes. The goal of this study was to determine whether the addition of these multipotential cells to organotypic, human skin equivalent cultures would accelerate wound healing after laser injury. For our initial studies, we were able to obtain 3-dimensional raft cultures from adult skin explanted directly onto the dermal equivalent containing human fibroblasts with or without adipose-derived stromal cells (ADSCs). Two days after laser injury, the raft cultures of skin explants that contained ADSCs had a completely healed multilayered epidermis, whereas the control raft culture without the adipose-derived cells still had areas of injury. With this encouraging outcome, these experiments were then repeated in a raft culture system initiated from dissociated primary adult human keratinocytes on the humanized dermal equivalent. Again, the cultures containing ADSCs healed faster than the control cultures. In conclusion, these data provide support to our hypothesis that ADSCs are an excellent and readily available source of factors necessary for accelerated wound healing and tissue regeneration.
引用
收藏
页码:501 / 504
页数:4
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