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Article Dans Une Revue BONE Année : 2020

Learning from BMPs and their biophysical extracellular matrix microenvironment for biomaterial design

Résumé

It is nowadays well-accepted that the extracellular matrix (ECM) is not a simple reservoir for growth factors but is an organization center of their biological activity. In this review, we focus on the ability of the ECM to regulate the biological activity of BMPs. In particular, we survey the role of the ECM components, notably the glycosaminoglycans and fibrillary ECM proteins, which can be promoters or repressors of the biological activities mediated by the BMPs. We examine how a process called mechano-transduction induced by the ECM can affect BMP signaling, including BMP internalization by the cells. We also focus on the spatio-temporal regulation of the BMPs, including their release from the ECM, which enables to modulate their spatial localization as well as their local concentration. We highlight how biomaterials can recapitulate some aspects of the BMPs/ECM interactions and help to answer fundamental questions to reveal previously unknown molecular mechanisms. Finally, the design of new biomaterials inspired by the ECM to better present BMPs is discussed, and their use for a more efficient bone regeneration in vivo is also highlighted.
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Dates et versions

hal-03020053 , version 1 (23-11-2020)

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Elisa Migliorini, Amaris Guevara-Garcia, Corinne Albiges-Rizo, Catherine Picart. Learning from BMPs and their biophysical extracellular matrix microenvironment for biomaterial design. BONE, 2020, 141, ⟨10.1016/j.bone.2020.115540⟩. ⟨hal-03020053⟩
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