Related Experiment Video
Updated: Oct 2, 2025
![Visualization and Quantification of Brown and Beige Adipose Tissues in Mice using [18F]FDG Micro-PET/MR Imaging](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F62460.jpg&w=3840&q=50)
08:31
Visualization and Quantification of Brown and Beige Adipose Tissues in Mice using [18F]FDG Micro-PET/MR Imaging
Published on: July 1, 2021
3.2K
Functional and Genetic Characterization of Porcine Beige Adipocytes
Lilan Zhang1,2, Silu Hu3, Chunwei Cao4
1State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
Cells
|February 25, 2022
Summary
Understanding beige adipocytes in pigs is key for reducing fat. This study identified specific genes, ITGA2 and CNN1, crucial for beige adipocyte function and thermogenesis.
Area of Science:
- Animal Science
- Molecular Biology
- Genetics
Background:
- Beige adipocytes, known for thermogenic activity, offer potential anti-obesity strategies.
- Porcine beige adipocytes are present but their molecular characteristics are not well understood.
- Investigating these cells could aid in developing pigs with reduced fat deposition.
Purpose of the Study:
- To elucidate the molecular signatures of porcine beige adipocytes.
- To identify genes involved in beige adipocyte differentiation and thermogenesis in pigs.
- To explore the potential of beige adipocytes for genetic selection in pigs.
Main Methods:
- Primary culture and differentiation of white and beige adipocytes from Tibetan piglets.
- RNA-sequencing for genome-wide comparative gene expression analysis.
- Functional characterization of differentially expressed genes (ITGA2, CNN1) using loss-of-function approaches.
Main Results:
- Beige adipocytes demonstrated a higher thermogenic capacity compared to white adipocytes.
- Distinct gene expression profiles were identified between porcine white and beige adipocytes.
- Integrin alpha-2 (ITGA2) and calponin 1 (CNN1) were specifically upregulated in beige adipocytes and found to be involved in their differentiation and thermogenesis.
Conclusions:
- This study provides novel insights into the gene expression profiles of porcine white and beige adipocytes.
- The identified genes ITGA2 and CNN1 play significant roles in porcine beige adipogenesis and thermogenesis.
- Understanding the genetic basis of beige adipogenesis in pigs can facilitate molecular breeding strategies for improved livestock and disease models.
