Platelet-Rich Plasma (PRP) is an autologous blood product prepared by concentrating platelets in a small volume of plasma, resulting in a concentration of growth factors significantly higher than that found in whole blood. This concentration is achieved through centrifugation of a patient’s own blood. PRP is a therapeutic tool leveraged in clinical practice for its ability to deliver a high dose of essential growth factors and cytokines directly to a site of injury or degeneration, thereby stimulating tissue repair and regeneration.
Origin
The clinical application of PRP originated in the fields of hematology and transfusion medicine but quickly expanded into orthopedics, dentistry, and aesthetic medicine due to its regenerative potential. The term is descriptive of the product’s composition: plasma enriched with platelets. In the context of hormonal wellness, its use is often seen in regenerative therapies aimed at improving tissue function that may be compromised by age or hormonal decline.
Mechanism
The therapeutic mechanism relies on the alpha granules within the concentrated platelets, which, upon activation, release a potent cocktail of bioactive molecules, including Platelet-Derived Growth Factor (PDGF), Transforming Growth Factor-beta (TGF-β), and Vascular Endothelial Growth Factor (VEGF). These factors bind to receptors on local cells, promoting cell proliferation, matrix synthesis, angiogenesis, and recruitment of local stem cells. This localized, autologous stimulation is designed to accelerate the natural healing process.
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