Objectives:Platelet-rich plasma (PRP) has been has been used to augment tissue repair and regeneration after musculoskeletal injury. However, there is increasing clinical evidence that PRP, and related blood products, do not show a consistent clinical effect. The purpose of this study is to compare the effects of non-neutrophil containing PRP (LP-PRP), modified LP-PRP (Mod LP-PRP) where TGF-β1 and myostatin (MSTN) were depleted, and platelet poor plasma (PPP) on human skeletal muscle myoblast (HSMM) differentiation. Our hypothesis was that LP-PRP would lead to myoblast proliferation, not differentiation, while modifications of PRP preparations will increase myoblast differentiation, which is necessary for skeletal muscle regeneration.
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