Abstract
Tendinopathy is a disorder characterized by pain and reduced function due to a series of changes in injured or diseased tendons. Inflammation and collagen degeneration are key contributors to the onset and chronic nature of tendinopathy. Acetyl-11-keto-β-boswellic acid (AKBA) is an effective anti-inflammatory agent widely used in chronic inflammatory disorders and holds potential for tendinopathy treatment; however, its therapeutic efficacy is limited by poor aqueous solubility. Here, we fabricated AKBA-encapsulated cationic liposome-gelatin methacrylamide (GelMA) microspheres (GM-Lipo-AKBA) using thin-film hydration and microfluidic technology for drug delivery therapy. GM-Lipo-AKBA exhibited high encapsulation efficiency, extended AKBA release for over 4 weeks, and prolonged degradation. Invitro and invivo experiments demonstrated its effectiveness in improving inflammation and ECM remodeling in tendinopathy. In summary, the injectable nano-micron drug delivery platform provides a promising strategy for the sustained and localized delivery of AKBA for tendinopathy treatment.
Published Version
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