Research Progress on Regulation of Macrophage Polarization by Biomaterial Functionalized Surface
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    Abstract:

    Prosthetic loosening and periprosthetic inflammation, as serious complications after joint replacement surgery, often require the secondary surgery for repair, which is easy to adversely affect the physical/mental health and economic status of patients.Studies have shown that the functional phenotype expressed by macrophages by different stimuli, namely macrophage polarization state, prolonged M1 polarization can lead to the continuation of long-term inflammation, while timely and effective M2 macrophage phenotype will lead to enhanced osteogenesis and tissue remodeling cytokine secretion and subsequent osseointegration, which play a crucial role in the development and outcome of prosthetic loosening and periprosthetic inflammation.The local micro-environment of extracellular matrix (ECM) is an important factor in the activation, migration, proliferation and fusion of macrophages. Researchers have deeply understood it mainly through the crosstalk between surface properties of biomaterials and macrophages. As an effector cell, macro-phages can perform complex spatiotemporal cellular functional responses by sensing the physical and chemical environment (surface topography, wettability, chemical composition, biological proteins) represented by surface properties of biomaterials.This paper summarizes the recent findings on macrophage polarization and material surface properties.

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LIU Yang, CHENG Wei, RUI Zhongying, ZHANG Lingtao, XU Yunqiang, ZHANG Xizheng, LI Ruixin. Research Progress on Regulation of Macrophage Polarization by Biomaterial Functionalized Surface[J]. Journal of medical biomechanics,2021,36(3):465-471

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History
  • Received:June 27,2020
  • Revised:July 25,2020
  • Adopted:
  • Online: July 05,2021
  • Published: