Molecular and Regenerative Effects of Platelet-Rich Plasma and Related Hemocomponents in Animal Models of Liver Injury-A Systematic Review

Relatively higher-quality human studies compared with other topics in this database, e.g. multiple RCTs or systematic reviews. This does not mean it is standard or approved care.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Platelet-rich plasma (PRP) has been increasingly explored as a biologic strategy for liver repair; however, preclinical studies have evaluated not only intact PRP but also PRP related hemocomponents with distinct biological properties, complicating interpretation and translation of the evidence. A systematic review of experimental studies was conducted to assess the effects of PRP and related hemocomponents in animal models of liver injury, focusing on molecular, metabolic, biochemical, and histological outcomes, and evaluating methodological quality and risk of bias using the Cochrane ROB 2.0 framework. Fourteen eligible studies were identified across toxic, cholestatic, parasitic, radiation-induced, and surgical models. Platelet-based interventions were generally associated with hepatoprotective, antifibrotic, antioxidant, immunomodulatory, and pro-regenerative effects; however, responses were highly context dependent and varied according to injury etiology, disease stage, administration route and timing, and the frequent use of combination therapies. Substantial heterogeneity in the platelet-based products evaluated-including platelet supernatants and lysates-and inconsistent reporting of key compositional parameters limited product classification, cross-study comparability, and mechanistic interpretation, while ROB 2.0 assessments revealed predominantly some concerns of bia

Evidence level

Relatively higher-quality human studies compared with other topics in this database, e.g. multiple RCTs or systematic reviews. This does not mean it is standard or approved care.

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