Related Experiment Video
Updated: Jun 20, 2026
04:46
Differentiation and Imaging of Brown Adipocytes from the Stromal Vascular Fraction of Interscapular Adipose Tissue from Newborn Mice
Published on: February 3, 2023
Mitochondrial development and the influence of its dysfunction during rat adipocyte differentiation
Rong-hua Lu1, Hong Ji, Zhi-guang Chang
1Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, 712100 Yangling, Shaanxi, China.
Molecular Biology Reports
|August 21, 2009
Summary
Mitochondria increase during adipocyte differentiation, enhancing oxidative capacity. Mitochondrial dysfunction, however, impairs this process, affecting lipid accumulation and differentiation markers.
Area of Science:
- Cell Biology
- Metabolism
- Mitochondrial Biology
Background:
- Mitochondrial biogenesis is crucial for adipocyte differentiation.
- Mitochondrial dysfunction can lead to abnormal lipid accumulation and impaired differentiation.
Purpose of the Study:
- Investigate mitochondrial development during rat primary adipocyte differentiation.
- Determine the impact of mitochondrial dysfunction on this process.
Main Methods:
- Transmission electron microscopy to observe mitochondrial number.
- Immunofluorescence staining for cytochrome c protein.
- Quantitative PCR for mitochondrial and differentiation-related gene expression.
- Rotenone treatment to induce mitochondrial dysfunction.
Main Results:
- Mitochondrial number and cytochrome c protein content significantly increased during adipocyte differentiation.
- mRNA levels of key mitochondrial genes (Cyt c, MDH, PGC-1beta) and differentiation factors (PPARγ, C/EBPα, SREBP-1c) were upregulated.
- Rotenone-induced mitochondrial dysfunction decreased these gene expressions, triglyceride and ATP synthesis, and adipocyte differentiation markers.
Conclusions:
- Adipocyte differentiation is associated with increased mitochondrial density and oxidative capacity.
- Mitochondrial dysfunction can inhibit adipocyte differentiation, highlighting the critical role of mitochondria in this process.
