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. 2021 Oct;45(5):2417-2422.
doi: 10.1007/s00266-021-02336-x. Epub 2021 Jun 1.

Liquid Phase Concentrated Growth Factor Improves Autologous Fat Graft Survival In Vivo in Nude Mice

Tianjia Zhang  1 , Jiewen Dai  1 , Yuting Xu  1 , Liya Yu  1 , Xudong Wang  2
Affiliations

Liquid Phase Concentrated Growth Factor Improves Autologous Fat Graft Survival In Vivo in Nude Mice

Tianjia Zhang et al. Aesthetic Plast Surg. 2021 Oct.

Abstract

Objective: The present study aimed to explore the efficacy and safety profile of liquid phase concentrated growth factor (LPCGF) in promoting autologous fat graft survival.

Methods: LPCGF/PRP was mixed with human fat tissues at different proportions and transplanted into nude mice. Three months after transplantation, the implanted fat tissues were retrieved for analysis. H&E staining was used to quantify the neovascularization. Immunohistochemical staining was applied to quantify the CD34-positive stem cells and the fluorescence intensity of VEGF and TGF-β.

Results: Addition of LPCGF to autologous fat reduced the fat absorption by 5-15%, especially at the early stage, and no complications were observed. In addition, the effect was improved with increased CGF. Liquid phase concentrated growth factor improves autologous fat graft survival, and the most suitable ratio of LPCGF/fat is 1:8.

Conclusion: LPCGF is rich in VEGF, TGF-β and CD34-positive stem cells, which can improve the fat transplantation effect, but the specific influence of a single component requires future evaluation.

No level assigned: This journal requires that authors assign a level of evidence to each submission to which Evidence-Based Medicine rankings are applicable. This excludes Review Articles, Book Reviews, and manuscripts that concern Basic Science, Animal Studies, Cadaver Studies, and Experimental Studies. 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 .

Keywords: Autologous fat graft; H&E staining; Liquid phase concentrated growth factor; TGF-β; VEGF.

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