Platelet-rich fibrin elicits an anti-inflammatory response in macrophages in vitro

Journal of Periodontology
Jila NasirzadeReinhard Gruber

Abstract

Platelet-rich fibrin (PRF) serves as a reservoir of bioactive molecules to support wound healing and bone regeneration. The beneficial action of PRF might involve macrophage polarization from proinflammatory M1 toward pro-resolving M2 phenotypes. This study aims to evaluate the effect of PRF on macrophage polarization. Murine primary macrophages and RAW 264.7 cells were exposed to saliva and lipopolysaccharides (LPS) with and without PRF lysates obtained by repeated freeze-thawing or the secretome of PRF membranes, termed PRF conditioned medium. The expression of the M1 marker genes interleukin 1β (IL1β) and interleukin 6 (IL6) along with the M2 markers arginase-1 and chitinase-like 3 (Chil3 or YM1) were evaluated by real time polymerase chain reaction. Immunoassay and immunofluorescence staining were performed for IL6 and p65 translocation, a subunit nuclear factor kappa-light-chain-enhancer of activated B cells (NF-kB), respectively. We report here that PRF lysates and PRF conditioned medium, the latter containing the secretome, greatly decreased the proinflammatory response of primary macrophages and RAW 264.7 cells as indicated by the expression of IL1β and IL6. The anti-inflammatory activity of PRF lysates was further conf...Continue Reading

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Citations

Aug 6, 2019·Journal of Periodontology·Zahra KargarpourReinhard Gruber
Jun 13, 2020·Haemophilia : the Official Journal of the World Federation of Hemophilia·Horacio CavigliaJulia Etulain
Jun 25, 2020·Scientific Reports·Francesca Di SummaFranz-Josef Strauss
Oct 21, 2020·International Journal of Molecular Sciences·Zahra KargarpourReinhard Gruber
Dec 1, 2020·Platelets·Paula Oneto, Julia Etulain
Jan 8, 2021·Metabolic Brain Disease·Kelley R JordanNorah G Verbout
Aug 25, 2020·Tissue & Cell·Ledson Sampaio NogueiraMarcelo Henrique Napimoga
Apr 27, 2021·Frontiers in Immunology·Zahra KargarpourReinhard Gruber
Oct 30, 2021·Tissue Engineering. Part C, Methods·Shimin YuYufeng Zhang

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