Antioxidant and anti-inflammatory injectable hydrogel microspheres for in situ treatment of tendinopathy

© The Author(s) 2024. Published by Oxford University Press..

Tendinopathy is a common disorder that causes local dysfunction and reduces quality of life. Recent research has indicated that alterations in the inflammatory microenvironment play a vital role in the pathogenesis of tendinopathy. Herein, injectable methacrylate gelatin (GelMA) microspheres (GM) were fabricated and loaded with heparin-dopamine conjugate (HDC) and hepatocyte growth factor (HGF). GMHDC@HGF were designed to balance the inflammatory microenvironment by inhibiting oxidative stress and inflammation, thereby regulating extracellular matrix (ECM) metabolism and halting tendon degeneration. Combining growth factors with heparin was expected to improve the encapsulation rate and maintain the long-term efficacy of HGF. In addition, the catechol groups on dopamine have adhesion and antioxidant properties, allowing potential attachment at the injured site, and better function synergized with HGF. GM@HDC@HGF injected in situ in rat Achilles tendinopathy (AT) models significantly down-regulated oxidative stress and inflammation, and ameliorated ECM degradation. In conclusion, the multifunctional platform developed presents a promising alternative for the treatment of tendinopathy.

Medienart:

E-Artikel

Erscheinungsjahr:

2024

Erschienen:

2024

Enthalten in:

Zur Gesamtaufnahme - volume:11

Enthalten in:

Regenerative biomaterials - 11(2024) vom: 01., Seite rbae007

Sprache:

Englisch

Beteiligte Personen:

Han, Qibin [VerfasserIn]
Bai, Lang [VerfasserIn]
Qian, Yinhua [VerfasserIn]
Zhang, Xiaoyu [VerfasserIn]
Wang, Juan [VerfasserIn]
Zhou, Jing [VerfasserIn]
Cui, Wenguo [VerfasserIn]
Hao, Yuefeng [VerfasserIn]
Yang, Xing [VerfasserIn]

Links:

Volltext

Themen:

Inflammation
Journal Article
Microspheres
Oxidative stress
Tendinopathy

Anmerkungen:

Date Revised 29.02.2024

published: Electronic-eCollection

Citation Status PubMed-not-MEDLINE

doi:

10.1093/rb/rbae007

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM369047192