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Δευτέρα 15 Ιανουαρίου 2018

Improved Long-term Volume Retention of SVF-gel Grafting with Enhanced Angiogenesis and Adipogenesis

Background The apoptosis of mature adipocytes after fat grafting can result in chronic inflammation, absorption, and fibrosis, leading to unpredictable outcomes. Selective elimination of mature adipocytes may result in better outcomes and a different underlying retention mode. We previously developed a mature-adipocyte-free product, SVF-gel, derived from lipoaspirate, which eliminates adipocytes while preserving the stromal vascular fraction. This study investigated the retention and regeneration mode of SVF-gel grafting. Methods Nude mice were grafted with human-derived SVF-gel or Coleman fat. Detailed cellular events over 3 months were investigated histologically and immunohistochemically. Results The retention rate 90 days after grafting was significantly higher for SVF-gel grafts than for standard Coleman fat (82% ± 15% vs. 42% ± 9%, P

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