Neutrophils contribute to fracture healing by synthesizing fibronectin+ extracellular matrix rapidly after injury

Copyright © 2016 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 164(2016) vom: 14. März, Seite 78-84
1. Verfasser: Bastian, Okan W (VerfasserIn)
Weitere Verfasser: Koenderman, Leo, Alblas, Jacqueline, Leenen, Luke P H, Blokhuis, Taco J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Bone Inflammation Leukocytes Osteoimmunology Regeneration Repair Fibronectins
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520 |a The role of inflammatory cells in bone regeneration remains unclear. We hypothesize that leukocytes contribute to fracture healing by rapidly synthesizing an "emergency extracellular matrix (ECM)" before stromal cells infiltrate the fracture hematoma (FH) and synthesize the eventual collagenous bone tissue. 53 human FHs were isolated at different time points after injury, ranging from day 0 until day 23 after trauma and stained using (immuno)histochemistry. FHs isolated within 48 h after injury contained fibronectin(+) ECM, which increased over time. Neutrophils within the early FHs stained positive for cellular fibronectin and neutrophil derived particles were visible within the fibronectin(+) ECM. Stromal cells appeared at day 5 after injury or later and collagen type I birefringent fibrils could be identified during the second week after injury. Our study suggests that neutrophils contribute to bone regeneration by synthesizing an "emergency ECM" before stromal cells infiltrate the FH and synthesize the eventual bone tissue 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Bone 
650 4 |a Inflammation 
650 4 |a Leukocytes 
650 4 |a Osteoimmunology 
650 4 |a Regeneration 
650 4 |a Repair 
650 7 |a Fibronectins  |2 NLM 
700 1 |a Koenderman, Leo  |e verfasserin  |4 aut 
700 1 |a Alblas, Jacqueline  |e verfasserin  |4 aut 
700 1 |a Leenen, Luke P H  |e verfasserin  |4 aut 
700 1 |a Blokhuis, Taco J  |e verfasserin  |4 aut 
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