In vitro and in vivo Effects of Concentrated Growth Factor on Cells and Tissues

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Journal of Biomedical Materials Research, Part A

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This article reviews the biological outcome of the concentrated growth factor (CGF), a new platelet derivative used for tissue regeneration, in published articles related to the use of this product in basic and clinical studies. An electronic literature research using PubMed and SCOPUS was performed using combination of keywords: “concentrated growth factor” (OR “CGF”), AND “stem cells,” AND “cells” OR “cell proliferation” OR “cell migration” OR “cell differentiation,” AND “repair” OR “survival” OR “revitalization,” AND “tissue” OR “bone.” Forty-five articles that were published between 2012 and 2020 met the inclusion criteria. These studies have used CGF as fresh solid form, freeze-dried, membrane, extract, or exudate. Most studies demonstrate the positive effects of CGF in a dose-dependent manner under certain concentrations. Studies comparing CGF with other platelet concentrates, report lower efficiency, no statistically significant differences, or better results for CGF. Combination of CGF with stem cells and biomaterials significantly improves bone regeneration and the effect of allograft or collagen membrane is better than CGF alone. For a better examination of the biological outcomes of CGF, the standardization of CGF preparation regarding the choice of the test tube material for blood collection, the required volume of blood, the necessary count of platelets in CGF, and the most appropriate type of CGF are recommended.


Journal of Biomedical Materials Research, Part A, Vol. 108, No. 6 (June 2020): 1338-1350. DOI.