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Technique for producing platelet-rich plasma and platelet concentrate: background and process.

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  • arongonshor@hotmail.com

Abstract

Autologous platelet-rich plasma is a source of platelet-derived growth factor (PDGF) and transforming growth factor beta (TGF-beta), both important in accelerating hard and soft tissue maturation. This article describes a two-step centrifugation method to sequester and concentrate platelets to a level four to eight times baseline whole blood values. The technique produces concentrations of PDGF-AB above 500% and TGF-beta1 greater than 800%. Flow cytometry measuring p-selectin expression shows that the platelets remain quiescent throughout the procedure, maintaining their integrity and viability, with no inadvertent activation.

PMID:
12516826
[PubMed - indexed for MEDLINE]
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