Mesenchymal stem cell-macrophage crosstalk and bone healing

Recent research has brought about a clear understanding that successful fracture healing is based on carefully coordinated cross-talk between inflammatory and bone forming cells. In particular, the key role that macrophages play in the recruitment and regulation of the differentiation of mesenchymal...

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Vydáno v:Biomaterials Ročník 196; s. 80 - 89
Hlavní autoři: Pajarinen, Jukka, Lin, Tzuhua, Gibon, Emmanuel, Kohno, Yusuke, Maruyama, Masahiro, Nathan, Karthik, Lu, Laura, Yao, Zhenyu, Goodman, Stuart B.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Netherlands Elsevier Ltd 01.03.2019
Témata:
Animals
Bone and Bones - pathology
bone formation
Bone Morphogenetic Protein-2
bone morphogenetic proteins
Cell Communication
Cellular Senescence
Fracture healing
Humans
Macrophage
macrophages
Macrophages - pathology
Mesenchymal stem cell
Mesenchymal Stem Cells - pathology
mesenchymal stromal cells
Oncostatin M
paracrine signaling
Prostaglandin E2
prostaglandins
Wound Healing
Mesenchymal stem cell
Bone Morphogenetic Protein-2
Prostaglandin E2
Fracture healing
Oncostatin M
Macrophage
ISSN:0142-9612, 1878-5905, 1878-5905
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Shrnutí:Recent research has brought about a clear understanding that successful fracture healing is based on carefully coordinated cross-talk between inflammatory and bone forming cells. In particular, the key role that macrophages play in the recruitment and regulation of the differentiation of mesenchymal stem cells (MSCs) during bone regeneration has been brought to focus. Indeed, animal studies have comprehensively demonstrated that fractures do not heal without the direct involvement of macrophages. Yet the exact mechanisms by which macrophages contribute to bone regeneration remain to be elucidated. Macrophage–derived paracrine signaling molecules such as Oncostatin M, Prostaglandin E2 (PGE2), and Bone Morphogenetic Protein-2 (BMP2) have been shown to play critical roles; however the relative importance of inflammatory (M1) and tissue regenerative (M2) macrophages in guiding MSC differentiation along the osteogenic pathway remains poorly understood. In this review, we summarize the current understanding of the interaction of macrophages and MSCs during bone regeneration, with the emphasis on the role of macrophages in regulating bone formation. The potential implications of aging to this cellular cross-talk are reviewed. Emerging treatment options to improve facture healing by utilizing or targeting MSC-macrophage crosstalk are also discussed.
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ISSN:0142-9612
1878-5905
1878-5905
DOI:10.1016/j.biomaterials.2017.12.025