Related Experiment Video
Updated: Aug 5, 2026
09:44
ATAC-Seq Library Preparation of Murine Bone Marrow-Derived Neutrophils
Published on: January 3, 2025
Neutrophils: The Overlooked Regenerative Role in Bone Repair
Yumeng Lin1, Yuchen He1, Quan Yuan2,3
1State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & West China Hospital of Stomatology, Sichuan University, Chengdu, China.
Stem Cell Reviews and Reports
|July 31, 2026
Summary
Neutrophils, traditionally seen as inflammatory cells, are crucial for bone repair. Emerging research reveals their diverse roles in promoting healing, ECM deposition, and stem cell differentiation for better bone regeneration.
Area of Science:
- Immunology
- Regenerative Medicine
- Skeletal Biology
Background:
- Bone repair is a complex process regulated by the immune microenvironment.
- Neutrophils were historically viewed as short-lived inflammatory cells with limited regenerative roles.
- Their potential in bone healing has been underestimated.
Purpose of the Study:
- To redefine the role of neutrophils in bone repair.
- To highlight their functional diversity beyond inflammation.
- To explore new directions in neutrophil biology for bone regeneration.
Main Methods:
- Review of emerging evidence on neutrophil functions in bone healing.
- Analysis of neutrophil interactions with macrophages and stem cells.
- Investigation of temporal dynamics and circadian regulation of neutrophils.
Main Results:
- Neutrophils actively contribute to bone repair by depositing extracellular matrix (ECM) and secreting pro-angiogenic factors.
- They modulate the immune microenvironment and promote bone marrow mesenchymal stem cell (BM-MSC) recruitment and osteogenic differentiation.
- Aberrant neutrophil activation can lead to pathological bone repair.
Conclusions:
- Neutrophils play a pivotal and multifaceted role in bone regeneration, extending beyond their classical inflammatory functions.
- Understanding neutrophil dynamics is crucial for therapeutic strategies targeting bone repair.
- Further research into neutrophil biology is essential for advancing bone healing.
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