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Harnessing Macrophages for Vascularization in Tissue Engineering.

Erika M Moore1, Jennifer L West2

  • 1Department of Materials Science and Engineering, University of Florida, 549 Gale Lemerand Drive, Gainesville, FL, 32611, USA.

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|December 12, 2018
PubMed
Summary

Macrophages are key immune cells that can be manipulated to promote blood vessel development and tissue repair. Understanding their role in vascularization is crucial for tissue engineering and regenerative medicine.

Keywords:
Macrophage phenotypesMacrophagesTissue engineeringVascularizationVessel development

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Area of Science:

  • Immunology
  • Regenerative Medicine
  • Biomaterials Science

Background:

  • Macrophages are critical immune cells involved in tissue repair and inflammation.
  • Their phenotype can be altered to influence biological processes.
  • Tissue engineered constructs require vascularization for successful integration.

Purpose of the Study:

  • To review the multifaceted roles of macrophages in vessel development.
  • To explore macrophage contributions to the vascularization of tissue engineered constructs.
  • To highlight the potential of manipulating macrophage phenotypes for enhanced vascularization.

Main Methods:

  • Literature review of in vivo and in vitro studies.
  • Analysis of macrophage-mediated angiogenesis and immune response.
  • Examination of strategies for modulating macrophage phenotypes.

Main Results:

  • Macrophages promote angiogenesis by secreting pro-angiogenic factors and supporting nascent vasculature.
  • Manipulating macrophage phenotypes can yield cells that enhance vessel development.
  • Macrophages can be utilized ex vivo to improve vascularization of engineered tissues.

Conclusions:

  • Macrophages play a pivotal role in both natural vessel development and the vascularization of tissue engineered constructs.
  • Targeting macrophage phenotypes offers a promising strategy for advancing tissue engineering and regenerative medicine.
  • Further research into macrophage manipulation can lead to improved therapeutic outcomes.