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Bone & Joint 360
Vol. 7, Issue 5 | Pages 41 - 42
1 Oct 2018
Foy MA


Bone & Joint Research
Vol. 8, Issue 1 | Pages 32 - 40
1 Jan 2019
Berger DR Centeno CJ Steinmetz NJ

Objectives

Platelet-rich plasma (PRP) is being used increasingly often in the clinical setting to treat tendon-related pathologies. Yet the optimal PRP preparations to promote tendon healing in different patient populations are poorly defined. Here, we sought to determine whether increasing the concentration of platelet-derived proteins within a derivative of PRP, platelet lysate (PL), enhances tenocyte proliferation and migration in vitro, and whether the mitogenic properties of PL change with donor age.

Methods

Concentrated PLs from both young (< 50 years) and aged (> 50 years) donors were prepared by exposing pooled PRP to a series of freeze-thaw cycles followed by dilution in plasma, and the levels of several platelet-derived proteins were measured using multiplex immunoassay technology. Human tenocytes were cultured with PLs to simulate a clinically relevant PRP treatment range, and cell growth and migration were assessed using DNA quantitation and gap closure assays, respectively.


Bone & Joint 360
Vol. 7, Issue 3 | Pages 38 - 39
1 Jun 2018
Das A