Related Experiment Video
Updated: Aug 29, 2025
Author Spotlight: Isolation and Identification of Mesenchymal Stem Cells Derived from Adipose Tissue of Sprague Dawley Rats
Published on: April 7, 2023
SPRY4 promotes adipogenic differentiation of human mesenchymal stem cells through the MEK-ERK1/2 signaling pathway
Na Li1,2, Yunfei Chen1, Haiyan Wang1
1Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Center of Excellence in Tissue Engineering, Chinese Academy of Medical Sciences; Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy (BZ0381), P.R. China.
Abstract:
Obesity is a chronic metabolic disorder characterized by the accumulation of excess fat in the body. Preventing and controlling obesity by inhibiting the adipogenic differentiation of mesenchymal stem cells (MSCs) and thereby avoiding the increase of white adipose tissue is safe and effective. Recent studies have demonstrated that Sprouty proteins (SPRYs) are involved in cell differentiation and related diseases. However, the role and mechanism of SPRY4 in MSC adipogenic differentiation remain to be explored. Here, we found that SPRY4 positively correlates with the adipogenic differentiation of human adipose-derived MSCs (hAMSCs). Via gain- and loss-of-function experiments, we demonstrated that SPRY4 promotes hAMSC adipogenesis both in vitro and in vivo. Mechanistically, SPRY4 functioned by activating the MEK-ERK1/2 pathway. Our findings provide new insights into a critical role for SPRY4 as a regulator of adipogenic differentiation, which may illuminate the underlying mechanisms of obesity and suggest the potential of SPRY4 as a novel treatment option.
Insights
Sprouty protein 4 (SPRY4) promotes the development of fat cells from human mesenchymal stem cells (hAMSCs). This discovery offers potential new strategies for treating obesity by targeting SPRY4 and its associated pathways.
Area of Science:
- Cell Biology
- Metabolic Disorders
- Stem Cell Research
Background:
- Obesity is a complex metabolic disorder driven by excess fat accumulation.
- Inhibiting adipogenic differentiation of mesenchymal stem cells (MSCs) is a key strategy for obesity control.
- Sprouty proteins (SPRYs) are implicated in cell differentiation, but SPRY4's role in MSC adipogenesis is unclear.
Purpose of the Study:
- To investigate the role and mechanism of SPRY4 in the adipogenic differentiation of human adipose-derived MSCs (hAMSCs).
- To determine if SPRY4 influences fat tissue development and could be a therapeutic target for obesity.
Main Methods:
- Correlation analysis of SPRY4 expression with hAMSC adipogenic differentiation.
- Gain- and loss-of-function experiments in vitro and in vivo to assess SPRY4's impact.
- Mechanistic studies involving the MEK-ERK1/2 signaling pathway.
Main Results:
- SPRY4 expression positively correlates with hAMSC adipogenic differentiation.
- Overexpression of SPRY4 enhances, while knockdown inhibits, hAMSC adipogenesis in vitro and in vivo.
- SPRY4 promotes adipogenesis by activating the MEK-ERK1/2 signaling pathway.
Conclusions:
- SPRY4 is a critical positive regulator of adipogenic differentiation in hAMSCs.
- SPRY4's mechanism involves the MEK-ERK1/2 pathway.
- SPRY4 represents a potential novel therapeutic target for obesity treatment.
More Related Videos
10:31Robust Differentiation of Human iPSCs into a Pure Population of Adipocytes to Study Adipocyte-Associated Disorders
Published on: February 9, 2022
13:26Visualization and Quantification of Mesenchymal Cell Adipogenic Differentiation Potential with a Lineage Specific Marker
Published on: March 31, 2018
