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Updated: Dec 17, 2025
Isolation and Differentiation of Adipose-Derived Stem Cells from Porcine Subcutaneous Adipose Tissues
Published on: March 31, 2016
A New Selective PPARγ Modulator Inhibits Triglycerides Accumulation during Murine Adipocytes' and Human
Ghina Al Haj1, Federica Rey1, Toniella Giallongo1
1Department of Health Sciences, University of Milan, Via Antonio di Rudinì 8, 20142 Milan, Italy.
Abstract:
Understanding the molecular basis of adipogenesis is vital to identify new therapeutic targets to improve anti-obesity drugs. The adipogenic process could be a new target in the management of this disease. Our aim was to evaluate the effect of GMG-43AC, a selective peroxisome proliferator-activated receptor γ (PPARγ) modulator, during adipose differentiation of murine pre-adipocytes and human Adipose Derived Stem Cells (hADSCs). We differentiated 3T3-L1 cells and primary hADSCs in the presence of various doses of GMG-43AC and evaluated the differentiation efficiency measuring lipid accumulation, the expression of specific differentiation markers and the quantification of accumulated triglycerides. The treatment with GMG-43AC is not toxic as shown by cell viability assessments after the treatments. Our findings demonstrate the inhibition of lipid accumulation and the significant decrease in the expression of adipocyte-specific genes, such as PPARγ, FABP-4, and leptin. This effect was long lasting, as the removal of GMG-43AC from culture medium did not allow the restoration of adipogenic process. The above actions were confirmed in hADSCs exposed to adipogenic stimuli. Together, these results indicate that GMG-43AC efficiently inhibits adipocytes differentiation in murine and human cells, suggesting its possible function in the reversal of adipogenesis and modulation of lipolysis.
Insights
GMG-43AC, a peroxisome proliferator-activated receptor γ modulator, inhibits adipogenesis in mouse and human cells. This compound reduces lipid accumulation and adipocyte gene expression, suggesting therapeutic potential for obesity management.
Area of Science:
- Biochemistry
- Cell Biology
- Molecular Biology
Background:
- Adipogenesis, the process of fat cell formation, is a key target for anti-obesity drug development.
- Understanding the molecular mechanisms of adipogenesis is crucial for identifying novel therapeutic strategies.
Purpose of the Study:
- To investigate the effects of GMG-43AC, a selective peroxisome proliferator-activated receptor γ (PPARγ) modulator, on adipocyte differentiation.
- To evaluate GMG-43AC's impact on murine pre-adipocytes and human Adipose Derived Stem Cells (hADSCs).
Main Methods:
- Murine 3T3-L1 cells and primary hADSCs were differentiated in the presence of varying GMG-43AC concentrations.
- Adipogenic differentiation efficiency was assessed by measuring lipid accumulation, triglyceride content, and the expression of adipocyte-specific genes (PPARγ, FABP-4, leptin).
- Cell viability assays were performed to evaluate GMG-43AC's non-toxic effects.
Main Results:
- GMG-43AC treatment demonstrated no toxicity to the cells.
- Significant inhibition of lipid accumulation and triglyceride content was observed.
- A notable decrease in the expression of key adipocyte differentiation markers, including PPARγ, FABP-4, and leptin, was documented.
- The inhibitory effect on adipogenesis was persistent, even after GMG-43AC removal from the culture medium.
- These findings were consistent in both murine and human cell models.
Conclusions:
- GMG-43AC effectively inhibits adipocyte differentiation in both murine and human cell types.
- The compound's long-lasting effects suggest a role in the reversal of adipogenesis.
- GMG-43AC holds potential for modulating lipolysis and could be a valuable therapeutic agent for obesity management.
