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Updated: Jan 30, 2026

Stromal Vascular Fraction-enriched Fat Grafting for the Treatment of Symptomatic End-neuromata
Published on: November 23, 2017
The Effect of Minocycline on Fat Graft Survival and Apoptotic Pathway
Kırdar Güney1, Sedat Tatar2, Bora Özel3
1Department of Plastic Surgery, René Clinic, Istanbul, Turkey.
Abstract:
Variable absorption rate is one of the biggest problems of fat grafting and one of the most important causes of fat graft volume loss is apoptosis. Minocycline is a tetracycline derivative and besides its antibacterial capacity, it has been widely using for anti-apoptotic effects. This study was designed to investigate the effect of minocycline on fat graft survival and adipocyte apoptosis. A total of two main and eight subgroups were designed and a total of 48 experimental animals, 6 in each group, were used. Fat grafts are obtained from Wistar albino rats and implanted to dorsal area of rats. Local and systemic minocycline was applied in the study groups. On the 9th day, apoptotic cells were detected by the terminal deoxynucleotidyl transferase dUTP nick end labeling method and on the 90th day morphologic characteristics and viability of adipocytes were evaluated using histologic and immunohistochemical methods and statistically compared. This study revealed that the fat grafts were bigger, and they kept their structures better and they were more vascular in the minocycline groups and apoptosis was significantly lower in the minocycline groups. The authors demonstrated that minocycline increases fat graft survival and statistical improvement in apoptosis inhibition via using minocycline therapy has been shown.
Insights
Minocycline therapy significantly enhances fat graft survival by reducing adipocyte apoptosis. This study shows improved graft volume, structure, and vascularity in minocycline-treated rats, highlighting its therapeutic potential.
Area of Science:
- Regenerative Medicine
- Cell Biology
- Surgical Innovation
Background:
- Fat graft volume loss is a major challenge in reconstructive surgery.
- Apoptosis (programmed cell death) is a primary cause of fat graft failure.
- Minocycline, an antibiotic, exhibits known anti-apoptotic properties.
Purpose of the Study:
- To evaluate the efficacy of minocycline in improving fat graft survival.
- To investigate the impact of minocycline on adipocyte apoptosis.
- To assess the effects of local and systemic minocycline administration on fat graft viability.
Main Methods:
- Wistar albino rats underwent fat grafting procedures.
- Experimental groups received local and/or systemic minocycline.
- Apoptosis was quantified using terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay on day 9.
- Histologic and immunohistochemical analyses assessed graft morphology and adipocyte viability on day 90.
Main Results:
- Minocycline treatment resulted in larger fat grafts with better structural integrity.
- Grafts in minocycline groups exhibited increased vascularization.
- A significant reduction in adipocyte apoptosis was observed in minocycline-treated groups.
- Histologic evaluation confirmed enhanced adipocyte viability and graft survival.
Conclusions:
- Minocycline effectively promotes fat graft survival.
- Minocycline therapy significantly inhibits adipocyte apoptosis, improving graft outcomes.
- The findings support minocycline as a potential therapeutic agent to enhance fat grafting success.
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