Do GLP-1 Receptor Agonists Sabotage Fat Grafts? : A Scoping Review of GLP-1 Receptor Agonist Effects on Adipocyte Biology and Implications for Autologous Fat Transfer.

Relatively higher-quality human studies compared with other topics in this database, e.g. multiple RCTs or systematic reviews. This does not mean it is standard or approved care.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

The rapid adoption of glucagon-like peptide-1 receptor agonists (GLP-1 RAs) for weight management has created an unprecedented overlap with aesthetic surgery. Millions of patients experiencing GLP-1-mediated weight loss now present with facial volume depletion, soft tissue deflation, and contour irregularities; conditions for which autologous fat grafting remains the gold-standard solution. However, the fundamental biology of GLP-1 receptor agonism may be inherently antagonistic to the mechanisms upon which fat graft survival depends. This scoping review, conducted in accordance with the PRISMA extension for Scoping Reviews (PRISMA-ScR), synthesizes current preclinical and clinical evidence on the effects of semaglutide, liraglutide, tirzepatide, and the emerging triple agonist retatrutide on adipocyte metabolism, adipose-derived stem cell (ASC) function, and tissue revascularization, and maps these effects onto established models of fat graft take. We identify multiple potential interference points, including GLP-1-mediated adipocyte browning and thermogenic activation with upregulation of UCP1 and mitochondrial uncoupling, enhanced lipolysis through ATGL and HSL upregulation, suppression of white adipogenic differentiation in ASCs with preferential commitment toward thermogenic beige lineages, and modulation of inflammatory and angiogenic signaling during the critical revascu

Evidence level

Relatively higher-quality human studies compared with other topics in this database, e.g. multiple RCTs or systematic reviews. This does not mean it is standard or approved care.

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