Platelet-Rich Plasma Therapies in Regenerative Medicine
Summary
Platelet-rich plasma (PRP) therapies have emerged as versatile, autologous approaches to enhance tissue repair and regeneration across multiple clinical disciplines. By concentrating a patient’s own platelets and associated growth factors into a small plasma volume, PRP delivers a supra-physiological dose of bioactive molecules directly to sites of injury or degeneration. These factors orchestrate the three overlapping phases of healing—inflammation, proliferation and remodelling—by recruiting progenitor cells, stimulating angiogenesis, modulating cytokine networks and attenuating oxidative stress. Variations in preparation protocols, activation methods and leucocyte content yield products with distinct biological profiles, influencing pro-inflammatory versus anabolic outcomes. Clinical applications span orthopaedics, dermatology, oral and maxillofacial surgery, sports medicine and chronic wound management, with promising results in tendinopathies, osteoarthritis, skin flap survival and bone regeneration. Despite encouraging safety and efficacy data, standardisation of PRP formulations and dosing regimens remains a pressing need to optimise reproducibility and to define clear therapeutic guidelines. Ongoing research seeks to elucidate molecular mechanisms, refine bioformulations and integrate PRP with rehabilitation protocols to maximise functional recovery and to broaden its global impact in regenerative medicine.
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Platelet-Rich Plasma Therapies in Regenerative Medicine publication trend
The graph below shows the total number of articles in platelet-rich plasma therapies in regenerative medicine across all publications each year (not limited to Nature Index journals).
Technical terms
Platelet-Rich Plasma (PRP): An autologous blood derivative enriched in platelets and growth factors, used to promote tissue repair.
Autologous: Derived from the same individual, reducing risk of immune reaction or disease transmission.
Growth factor: A signalling protein that regulates cell proliferation, differentiation and angiogenesis during healing.
Angiogenesis: The formation of new blood vessels from existing vasculature, critical for nutrient delivery to regenerating tissue.
JAK/STAT signalling pathway: A cellular cascade activated by cytokines and growth factors that modulates gene expression, inflammation and cell survival.
References
- Pretreatment with platelet-rich plasma protects against ischemia–reperfusion induced flap injury by deactivating the JAK/STAT pathway in mice. Molecular Medicine (2024).
- Platelet-Rich Plasma: New Performance Understandings and Therapeutic Considerations in 2020. International Journal of Molecular Sciences (2020).
- Platelet-rich plasma preparation for regenerative medicine: optimization and quantification of cytokines and growth factors. Stem Cell Research & Therapy (2013).
- Platelet‐Rich Plasma: The Choice of Activation Method Affects the Release of Bioactive Molecules. BioMed Research International (2016).
- The differential effects of leukocyte-containing and pure platelet-rich plasma (PRP) on tendon stem/progenitor cells - implications of PRP application for the clinical treatment of tendon injuries. Stem Cell Research & Therapy (2015).
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