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Redox Report

Redox Report

IF: 5.2
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Astaxanthin mediated repair of tBHP-Induced cellular injury in chondrocytes

Published:1 December 2024 DOI: 10.1080/13510002.2024.2422271 PMID: 39495906
Wenwei Liang,?Gang Liu,?Weibo Zhou,?Wei Chen,?Yaojun Lu,?Hao Wu,?Yao Qin,?Chunhui Zhu

Abstract

Objective: This study investigates how astaxanthin (AST) counters tert-butyl hydroperoxide (tBHP)-induced cellular damage in C28/I2 chondrocytes, focusing on the circ-HP1BP3/miR-139-5p/SOD1 signaling pathway and its use in sustained-release microspheres for osteoarthritis treatment.

Methods: We employed a variety of techniques including real-time quantitative PCR, Western blot, ELISA, and dual-luciferase reporter gene assays to explore AST's molecular effects. Additionally, the efficacy of AST-loaded sustained-release microspheres was evaluated in vitro and in a mouse model of osteoarthritis.

Results: AST significantly enhanced SOD1 expression, reducing apoptosis and inflammation in damaged cells. The AST-loaded microspheres showed promising in vitro drug release, improved cell viability, and reduced oxidative stress. In the osteoarthritis mouse model, they effectively decreased joint inflammation and increased the expression of chondrocyte markers.

Conclusion: Astaxanthin effectively mitigates oxidative stress and inflammation in chondrocytes via the circ-HP1BP3/miR-139-5p/SOD1 pathway. The development of AST-loaded microspheres offers a novel and promising approach for osteoarthritis therapy, potentially extending to osteoarthritis treatment.

Substances (4)

Materials
Procduct Name CAS Molecular Formula Supplier Price
2′,7′-Dichlorodihydrofluorescein Diacetate 4091-99-0 C24H16Cl2O7 290 suppliers $16.00-$270980.00
2′,7′-Dichlorodihydrofluorescein Diacetate 4091-99-0 C24H16Cl2O7 290 suppliers $16.00-$270980.00
2′,7′-Dichlorodihydrofluorescein Diacetate 4091-99-0 C24H16Cl2O7 290 suppliers $16.00-$270980.00
2′,7′-Dichlorodihydrofluorescein Diacetate 4091-99-0 C24H16Cl2O7 290 suppliers $16.00-$270980.00

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