Cultured human fetal dermal extracellular matrix for scarless wound healing

培养的人胎儿真皮细胞外基质用于无疤痕伤口愈合

基本信息

  • 批准号:
    10527429
  • 负责人:
  • 金额:
    $ 17.16万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-09-01 至 2024-07-31
  • 项目状态:
    已结题

项目摘要

Dysfunctional skin wound healing, including underhealing, overhealing and scarring causes significant long-term morbidity including pain, functional restriction, and severe psychological outcomes, all of which translates to a tremendous burden on the US healthcare system. Fetal scarless wound repair is capable of healing with restoration of normal skin architecture and preservation of both tissue strength and function. Extracellular matrices (ECM) deposited by fetal dermal fibroblasts and extracted from fetal tissues have shown to be superior in supporting functional wound healing than ECM from aged tissues, but the availability of healthy fetal human tissues is extremely limited. Here, we propose a solution of large 3D human tissues grown in the lab with human cells that can be an unlimited and reliable source for the extraction of human ECM. The objectives of this project are to 1) biofabricate microtissues with commercially available fetal or adult human dermal fibroblasts to generate cultured ECM, 2) integrate with bioinformatics of the phenome (proteomics, biochemistry, mechanics, etc) of the secreted ECM with microtissue transcriptome to elucidate the key ECM-associated pathways involved in controlling the fetal ECM niche, and 3) evaluate the in vivo therapeutic efficacy of adult and fetal cultured ECMs against scarring of skin wounds.
皮肤伤口愈合功能不全,包括愈合不足、愈合过度和疤痕

项目成果

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