Analysis of cytokine profile and growth factors in platelet-rich plasma obtained by open systems and commercial columns

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Pochini, Alberto de Castro [UNIFESP]
Antonioli, Eliane
Bucci, Daniella Zanetti
Sardinha, Luiz Roberto
Andreoli, Carlos Vicente [UNIFESP]
Ferretti, Mario
Ejnisman, Benno [UNIFESP]
Goldberg, Anna Carla
Cohen, Moises [UNIFESP]
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Objective: To evaluate growth factors and cytokines in samples of platelet-rich plasma obtained by three different centrifugation methods. Methods: Peripheral blood of six individuals with no hematological diseases, aged 18 to 68 years, was drawn to obtain platelet-rich plasma, using the open method and commercial columns by Medtronic and Biomet. The products obtained with the different types of centrifugation were submitted to laboratory analysis, including pro-inflammatory cytokines and chemokines by flow cytometry assays, the concentration of fibroblast growth factors-2 (FGF-2) and transforming growth factor-beta1 (TGF-beta 1). Results: The diverse separation methods generated systematically different profiles regarding number of platelets and leukocytes. The Medtronic system yielded a product with the highest concentration of platelets, and the open method, with the lowest concentration of platelets. The results of cytokine analysis showed that the different types of centrifugation yielded products with high concentrations of interleukin 8, interleukin 1 beta. The open system resulted in a product with high levels of interleukin 6. Other cytokines and chemokines measured were similar between systems. The product obtained with the open method showed higher levels of TGF-beta 1 in relation to other systems and low FGF-2 levels. Conclusion: The formed elements, growth factors and cytokines in samples of platelet-rich plasma varied according to the centrifugation technique used.
Einstein-Sao Paulo. Sao Paulo Sp, v. 14, n. 3, p. 391-397, 2016.