ArticleStem cell research & therapy2025
Therapeatic evaluation and single cell analysis of adipose stromal vascular fraction isolation from a commercial cell separation system.
Article in Stem cell research & therapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundIn the field of regenerative therapy, the stromal vascular fraction (SVF) extracted from adipose tissue has been widely recognized for its significant benefits. However, the cellular composition and therapeutic effect of SVF products prepared via different methods are unclear.
methodsSVF cells were obtained via three approaches: (1) generation of the SVF via mechanical emulsification (M-SVF), (2) generation of the SVF via laboratory enzymatic digestion (L-SVF), and (3) generation of the SVF via commercial cell separation systems (C-SVF). We evaluated their healing effects on mouse wounds. Additionally, we utilized single-nucleus RNA sequencing (snRNA-seq) technology to explore the cellular composition of the C-SVF.
resultsThe cell yield of C-SVF was comparable to that of L-SVF. During in vitro culture, C-SVF exhibited enhanced proliferation and a reduced proportion of apoptotic cells. In a mouse wound model, the application of C-SVF facilitated the closure of mouse wounds and improved collagen remodeling and angiogenesis in the wound area. Additional snRNA-seq analysis revealed that APOE + adipose-derived stem cells and immune cells, especially M2 anti-inflammatory macrophages, are enriched in C-SVF, which together promote wound repair, and that APOE + adipose-derived stem cells (ADSCs) and immune cells, especially M2 anti-inflammatory macrophages, are enriched in C-SVF, which jointly regulate and promote wound repair.
conclusionA commercial extraction system is an effective method for isolating viable SVF cells enriched with APOE + ADSCs and M2 macrophages.
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