ArticleStem cell research & therapy2024
Inhibition and reversal of a TGF-β1 induced myofibroblast phenotype by adipose tissue-derived paracrine factors.
Article in Stem cell research & therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Article
- Propolis compound inhibits profibrotic TGF-β1/SMAD signalling in human fibroblasts.Scientific reports · 2025Article
- Skin ECM Provides a Bio-Derived Platform for Supporting Dermal Renewal and Matrix Synthesis.Journal of microbiology and biotechnology · 2025Article
- Review
- Exosome-Loaded GelMA Hydrogel as a Cell-Free Therapeutic Strategy for Hypertrophic Scar Inhibition.Clinical, cosmetic and investigational dermatology · 2025Article
- Adipose-derived stem cells alleviate radiation-induced muscle fibrosis by promoting muscle regeneration.Frontiers in cell and developmental biology · 2025Article
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Authors and funding
6 authors.
Funding
Abstract
backgroundHypertrophic scarring results from myofibroblast differentiation and persistence during wound healing. Currently no effective treatment for hypertrophic scarring exists however, autologous fat grafting has been shown to improve scar elasticity, appearance, and function. The aim of this study was to understand how paracrine factors from adipose tissues and adipose-derived stromal cells (ADSC) affect fibroblast to myofibroblast differentiation.
methodsThe transforming growth factor-β1 (TGF-β1) induced model of myofibroblast differentiation was used to test the effect of conditioned media from adipose tissue, ADSC or lipid on the proportion of fibroblasts and myofibroblasts.
resultsAdipose tissue conditioned media inhibited the differentiation of fibroblasts to myofibroblasts but this inhibition was not observed following treatment with ADSC or lipid conditioned media. Hepatocyte growth factor (HGF) was readily detected in the conditioned medium from adipose tissue but not ADSC. Cells treated with HGF, or fortinib to block HGF, demonstrated that HGF was not responsible for the inhibition of myofibroblast differentiation. Conditioned media from adipose tissue was shown to reduce the proportion of myofibroblasts when added to fibroblasts previously treated with TGF-β1, however, conditioned media treatment was unable to significantly reduce the proportion of myofibroblasts in cell populations isolated from scar tissue.
conclusionsCultured ADSC or adipocytes have been the focus of most studies, however, this work highlights the importance of considering whole adipose tissue to further our understanding of fat grafting. This study supports the use of autologous fat grafts for scar treatment and highlights the need for further investigation to determine the mechanism.
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