ArticleAesthetic plastic surgery2025
Immunohistochemical Analysis of Nanofat Membrane, Solid PRF, and Stromal Vascular Fraction Gel.
Article in Aesthetic plastic surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- The role of nanofat membranes in inhibiting bacterial growth: An in vitro analysis.JPRAS open · 2026Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionPlatelet-rich fibrin (PRF) and nanofat have emerged as promising autologous biomaterials in tissue regeneration and facial rejuvenation. Both serve as vehicles for cellular growth factors that promote wound healing and tissue remodeling. This study aims to investigate the presence of endothelial and stem cell markers in nanofat membranes through immunohistochemical analysis. MATERIALS AND
methodsEleven patients (nine women, two men) with a mean age of 36.82 ± 5.79 were included in this case-series study. Tissue samples were obtained using a mixture of nanofat and injectable PRF, with two different concentration ratios (2:1 and 1:1), in addition to solid PRF and stromal vascular fraction (SVF) gel membrane for comparison. The samples were fixed in 10% formaldehyde, processed into paraffin blocks, and sectioned (2-5 μm). Immunohistochemical staining was performed using markers CD31 (endothelial cells), CD34 (hematopoietic and adipose-derived stem cells, and endothelial cells), CD163 (macrophages), ERG (endothelial marker), S100 (adipocyte marker), and CD10 (adipose-derived stem cells). Histopathologic examination evaluated endothelial and stem cell presence as well as macrophage infiltration.
resultsHistopathological analysis revealed fragmented adipose tissue with vascular proliferation, as well as platelet and fibrin deposition. Immunohistochemical staining showed the presence of endothelial markers (CD31: 36.82%, CD34: 22.73%, ERG: 19.09%) in the nanofat membrane, indicating vascularization. CD163 staining highlighted macrophages, although they were sparse in the nanofat membrane (<1% of cells). The SVF gel membrane exhibited substantial platelet aggregation but lacked evidence of cellular differentiation. CD34 staining confirmed the presence of adipose-derived stem cells (ADSCs), though in lower-than-expected quantities.
conclusionThis study demonstrates the presence of endothelial cells and limited macrophages within the nanofat membranes, suggesting potential for vascular neoformation and tissue remodeling. However, the lack of detection of significant adipose-derived stem cells highlights the need for more advanced immunohistochemical markers to fully evaluate regenerative potential. The nanofat membrane provides a viable scaffold for tissue regeneration, with further research needed to optimize protocols for enhanced clinical outcomes. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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