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Mechanism of PRP in Osteoarthritis PRP contains growth factors and cytokines that promote cartilage repair and modulate inflammation, including: Platelet-derived growth factor (PDGF): Stimulates chondrocyte proliferation and matrix synthesis Transforming growth factor-beta (TGF-): Encourages cartilage regeneration and reduces catabolic activity Vascular endothelial growth factor (VEGF): Enhances microcirculation to support healing Interleukin-1 receptor antagonist (IL-1Ra): Suppresses pro-inflammatory cytokines that degrade cartilage These biological effects differentiate PRP from corticosteroids , which primarily suppress symptoms but accelerate cartilage degradation with repeated use (PMID: 30404447)

Guerrero-Mauvecin, J

The combination of metformin and liraglutide is more effective than metformin monotherapy in improving hyperandrogenism and reproductive abnormalities

For example, people over the age of 65 represented more than 68% of new cancer cases in 2019 [402], and the incidence of Clostridium difficile infections was more than threefold higher among elderly individuals compared to younger adults [403]