ArticleStem cell research & therapy2024
Adipose stem cells regulate lipid metabolism by upregulating mitochondrial fatty acid β-oxidation in macrophages to improve the retention rate of transplanted fat.
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. An erratum has been issued. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Redefining 3D cell culture: Human methacryloyl platelet lysates hydrogels for reliable, consistent, and ethical applications.Materials today. Bio · 2026Article
- Enhancing pulp regeneration through metabolic reprogramming of mature dental pulp stem cells mediated by GLUT1/HK2 mRNA delivery.International journal of oral science · 2026Article
- Functional Stratification of Adipose-Derived Stem Cells via Gradient Density Centrifugation: D-ASCs Drive Vascularization for Enhanced Fat Graft Survival.Aesthetic plastic surgery · 2026Article
- Mitochondrial transfer from adipose-derived stem cells reprograms macrophage lipid metabolism to improve fat graft survival.Journal of translational medicine · 2026Article
- Advances in the Role of Adipose Tissue in Promoting Injury Repair and Resist Infection.Immunity, inflammation and disease · 2026Review
- CAR-T triggers TAM reeducation and adaptive anti-tumor response via TREM2 deficiency or CD40 agonist.Cell reports. Medicine · 2026Article
- Sphingosine 1-phosphate derived from tumor-educated hepatic stellate cells combining with S1PR4 promotes tumor associated macrophages differentiation through FAO modulation.Scientific reports · 2025Article
- Roles of circadian clocks in macrophage metabolism: implications in inflammation and metabolism of lipids, glucose, and amino acids.American journal of physiology. Endocrinology and metabolism · 2025Review
- Research Progress on the Therapeutic Mechanisms of Stigmasterol for Multiple Diseases.Molecules (Basel, Switzerland) · 2025Review
- Mitochondrial metabolic regulation of macrophage polarization in osteomyelitis and other orthopedic disorders: mechanisms and therapeutic opportunities.Frontiers in cell and developmental biology · 2025Review
Corrections and comments
- Erratum issued
Authors and funding
10 authors.
Funding
Abstract
backgroundAt present, fat transplantation is widely used in the plastic surgery industry, but the long-term preservation rate of transplanted fat decreases because of complications such as oil cysts due to the inability in macrophages to metabolize absorption. In cell-assisted lipotransfer technology, adipose-derived stem cells (ASCs) can influence the inflammatory response of grafts through the immunoregulation in macrophages, and the lipid metabolism in macrophages plays an important role in this process. Therefore, we hypothesized ASCs could improve the retention rate of fat grafts by regulating the progress of lipid metabolism in macrophages.
methodsWe established fat transplantation and ASC-assisted fat transplantation model in C57BL/6 mice in vivo, and bone marrow-derived macrophages cocultured with apoptotic adipocytes were treated with or without ASCs in vitro. Graft retention, tissue structure, fibrosis, macrophage phenotype transformation, lipid deposition, mitochondrial morphology, oxygen consumption rate (OCR), fatty acid β-oxidation (FAO) level, and ATP production were assessed. Additionally, fat transplantation and ASC-assisted fat transplantation model was treated with etomoxir which inhibits mitochondrial FAO. Macrophages pretreated with etomoxir were co-cultured with apoptotic adipocytes and treated with or without ASCs. The method aboved was used for detection and verification.
resultsIn vivo, ASC-assisted fat transplantation improved macrophage mitochondrial expression and FAO level, promoted the early transformation of M2 macrophages, reduced the long-term lipid deposition of macrophages, and improved the retention rate of fat grafts. In vitro, ASCs up-regulated the level of mitochondrial FAO, OCR and ATP production in macrophages, reduced lipid deposition of macrophages and promoted M2 macrophages polarization by paracine function. The ability of ASCs in group pretreated with etomoxir to reduce the foaming of macrophages, promote the transformation to M2 macrophages, and improve the retention rate of fat transplantation was weakened.
conclusionsASCs increased the retention rate of transplanted fat by upregulating mitochondrial FAO to promote M2 polaration in macrophages. In addition, ASCs up-regulate mitochondrial FAO by paracrine effect to reduce foam cells formation and promote M2 transformation in macrophages in vitro.
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