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Updated: Jun 27, 2025
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Mesenchymal Stem Cell Regulation of Macrophage Phagocytosis; Quantitation and Imaging
Published on: July 16, 2021
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Interplay between mesenchymal stem cells and macrophages: Promoting bone tissue repair
Fei-Fan Zhang1,2, Yang Hao1,3, Kuai-Xiang Zhang1,3
1Molecular Biology Lab, Henan Luoyang Orthopedic Hospital (Henan Provincial Orthopedic Hospital), Zhengzhou 450000, Henan Province, China.
World Journal of Stem Cells
|May 1, 2024
Summary
Mesenchymal stem cells (MSCs) and macrophages dynamically interact to promote bone repair. Understanding this cross-talk enhances MSCs therapy for bone defects and other diseases.
Area of Science:
- Orthopedic treatment
- Regenerative medicine
- Tissue engineering
Background:
- Bone tissue repair is a complex orthopedic challenge.
- Mesenchymal stem cells (MSCs) show promise in clinical trials for bone defects.
- MSCs and macrophages have a significant, bidirectional relationship.
Purpose of the Study:
- To explore the intricate relationship between MSCs and macrophages in bone repair.
- To highlight the role of MSC-macrophage cross-talk in immune regulation and tissue regeneration.
- To provide insights for enhancing MSCs-based therapies.
Main Methods:
- Review of existing literature on MSCs and macrophage interactions in bone repair.
- Analysis of the regulatory mechanisms between MSCs and macrophages.
- Examination of the impact on immune microenvironment and cell differentiation.
Main Results:
- MSCs modulate macrophage proliferation, infiltration, polarization, and osteoclast differentiation.
- Macrophages activate MSCs and mediate their multilineage differentiation.
- The cross-talk is crucial for immune system regulation and tissue regeneration.
Conclusions:
- The interplay between MSCs and macrophages is vital for effective bone tissue repair.
- Harnessing this relationship can improve MSCs therapy efficacy for bone defects.
- This understanding can guide MSCs applications in other disease treatments.
