4.4 Review

Biomaterials-assisted spheroid engineering for regenerative therapy

Journal

BMB REPORTS
Volume 54, Issue 7, Pages 356-367

Publisher

KOREAN SOCIETY BIOCHEMISTRY & MOLECULAR BIOLOGY
DOI: 10.5483/BMBRep.2021.54.7.059

Keywords

Biomaterial; Regenerative medicine; Spheroid; Spheroid engineering; Tissue regeneration

Funding

  1. Dankook University

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Cell spheroids combined with biomaterials show promising prospects in regenerative medicine, significantly enhancing the therapeutic effect of cell transplantation. The precise control of cell spheroid formation and function with various biomaterials has been widely applied in tissue regeneration therapy for bones, cartilage, and heart.
Cell-based therapy is a promising approach in the field of regenerative medicine. As cells are formed into spheroids, their survival, functions, and engraftment in the transplanted site are significantly improved compared to single cell transplantation. To improve the therapeutic effect of cell spheroids even further, various biomaterials (e.g., nano- or microparticles, fibers, and hydrogels) have been developed for spheroid engineering. These biomaterials not only can control the overall spheroid formation (e.g., size, shape, aggregation speed, and degree of compaction), but also can regulate cell-to-cell and cell-to-matrix interactions in spheroids. Therefore, cell spheroids in synergy with biomaterials have recently emerged for cell-based regenerative therapy. Biomaterials-assisted spheroid engineering has been extensively studied for regeneration of bone or/and cartilage defects, critical limb ischemia, and myocardial infarction. Furthermore, it has been expanded to pancreas islets and hair follicle transplantation. This paper comprehensively reviews biomaterials-assisted spheroid engineering for regenerative therapy.

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