An Injectable PEG/Diacerein‐Based Anti‐Inflammatory Hydrogel for Promoting Cartilage Regeneration: An In Vivo Study

Abstract Cartilage defects are common joint disorders that, if left untreated, may progress to severe degenerative joint conditions. Inflammatory response plays a critical role in the pathogenesis of cartilage damage. Hydrogels incorporating diacerein, an anti‐inflammatory drug used in clinical sett...

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Main Authors: Jing Mi, Linghui Meng, Yutian Wang, Huanyu Zhang, Jing Jin, Jianhao Huang, Jingwei Lu, Pu Ying, Lan Li
Format: Article
Language:English
Published: Wiley-VCH 2025-05-01
Series:Macromolecular Materials and Engineering
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Online Access:https://doi.org/10.1002/mame.202400382
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author Jing Mi
Linghui Meng
Yutian Wang
Huanyu Zhang
Jing Jin
Jianhao Huang
Jingwei Lu
Pu Ying
Lan Li
author_facet Jing Mi
Linghui Meng
Yutian Wang
Huanyu Zhang
Jing Jin
Jianhao Huang
Jingwei Lu
Pu Ying
Lan Li
author_sort Jing Mi
collection DOAJ
description Abstract Cartilage defects are common joint disorders that, if left untreated, may progress to severe degenerative joint conditions. Inflammatory response plays a critical role in the pathogenesis of cartilage damage. Hydrogels incorporating diacerein, an anti‐inflammatory drug used in clinical settings, can mitigate inflammation that impairs cartilage repair. It is hypothesized that the direct injection of a hydrogel scaffold combining diacerein and polydopamine into cartilage defect sites can enhance localized treatment, reduce surgical risks, and expedite recovery. Therefore, in this study, a hydrogel infused with diacerein is developed to investigate its efficacy for cartilage restoration. By crosslinking poly(ethylene glycol) diacrylate, four‐arm polyethylene glycol‐functionalized diacerein, hyaluronic acid, and polydopamine, an injectable hydrogel with superior properties is achieved. In vitro evaluations confirm the mechanical strength and biocompatibility of the hydrogel, and in vivo studies demonstrate its effectiveness in cartilage repair and anti‐inflammatory activity in a rat model. These findings indicate that hydrogels are promising materials for addressing cartilage defects and advancing tissue engineering and biological implantation strategies.
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institution Kabale University
issn 1438-7492
1439-2054
language English
publishDate 2025-05-01
publisher Wiley-VCH
record_format Article
series Macromolecular Materials and Engineering
spelling doaj-art-f0df037aab4b4cddaa4e0d01bb5ee2c52025-08-20T03:49:46ZengWiley-VCHMacromolecular Materials and Engineering1438-74921439-20542025-05-013105n/an/a10.1002/mame.202400382An Injectable PEG/Diacerein‐Based Anti‐Inflammatory Hydrogel for Promoting Cartilage Regeneration: An In Vivo StudyJing Mi0Linghui Meng1Yutian Wang2Huanyu Zhang3Jing Jin4Jianhao Huang5Jingwei Lu6Pu Ying7Lan Li8Division of Sports Medicine and Adult Reconstructive Surgery Department of Orthopedic Surgery Drum Tower Hospital affiliated to Medical School of Nanjing University Nanjing 210008 ChinaDepartment of Tissue Engineering Center of 3D Printing & Organ Manufacturing School of Fundamental Sciences China Medical University Shenyang 110122 ChinaDivision of Sports Medicine and Adult Reconstructive Surgery Department of Orthopedic Surgery Drum Tower Hospital affiliated to Medical School of Nanjing University Nanjing 210008 ChinaHangzhou Lancet Robotics Company Ltd Hangzhou 311199 ChinaDivision of Sports Medicine and Adult Reconstructive Surgery Department of Orthopedic Surgery Drum Tower Hospital affiliated to Medical School of Nanjing University Nanjing 210008 ChinaDivision of Sports Medicine and Adult Reconstructive Surgery Department of Orthopedic Surgery Drum Tower Hospital affiliated to Medical School of Nanjing University Nanjing 210008 ChinaDepartment of Sports Medicine Tongji Hospital School of Medicine Tongji University Shanghai 200065 ChinaDepartment of Orthopaedics Changshu Hospital Affiliated to Nanjing University of Chinese Medicine Suzhou 215500 ChinaDivision of Sports Medicine and Adult Reconstructive Surgery Department of Orthopedic Surgery Drum Tower Hospital affiliated to Medical School of Nanjing University Nanjing 210008 ChinaAbstract Cartilage defects are common joint disorders that, if left untreated, may progress to severe degenerative joint conditions. Inflammatory response plays a critical role in the pathogenesis of cartilage damage. Hydrogels incorporating diacerein, an anti‐inflammatory drug used in clinical settings, can mitigate inflammation that impairs cartilage repair. It is hypothesized that the direct injection of a hydrogel scaffold combining diacerein and polydopamine into cartilage defect sites can enhance localized treatment, reduce surgical risks, and expedite recovery. Therefore, in this study, a hydrogel infused with diacerein is developed to investigate its efficacy for cartilage restoration. By crosslinking poly(ethylene glycol) diacrylate, four‐arm polyethylene glycol‐functionalized diacerein, hyaluronic acid, and polydopamine, an injectable hydrogel with superior properties is achieved. In vitro evaluations confirm the mechanical strength and biocompatibility of the hydrogel, and in vivo studies demonstrate its effectiveness in cartilage repair and anti‐inflammatory activity in a rat model. These findings indicate that hydrogels are promising materials for addressing cartilage defects and advancing tissue engineering and biological implantation strategies.https://doi.org/10.1002/mame.202400382anti‐inflammationcartilage regenerationdiacereinhydrogelinjectable
spellingShingle Jing Mi
Linghui Meng
Yutian Wang
Huanyu Zhang
Jing Jin
Jianhao Huang
Jingwei Lu
Pu Ying
Lan Li
An Injectable PEG/Diacerein‐Based Anti‐Inflammatory Hydrogel for Promoting Cartilage Regeneration: An In Vivo Study
Macromolecular Materials and Engineering
anti‐inflammation
cartilage regeneration
diacerein
hydrogel
injectable
title An Injectable PEG/Diacerein‐Based Anti‐Inflammatory Hydrogel for Promoting Cartilage Regeneration: An In Vivo Study
title_full An Injectable PEG/Diacerein‐Based Anti‐Inflammatory Hydrogel for Promoting Cartilage Regeneration: An In Vivo Study
title_fullStr An Injectable PEG/Diacerein‐Based Anti‐Inflammatory Hydrogel for Promoting Cartilage Regeneration: An In Vivo Study
title_full_unstemmed An Injectable PEG/Diacerein‐Based Anti‐Inflammatory Hydrogel for Promoting Cartilage Regeneration: An In Vivo Study
title_short An Injectable PEG/Diacerein‐Based Anti‐Inflammatory Hydrogel for Promoting Cartilage Regeneration: An In Vivo Study
title_sort injectable peg diacerein based anti inflammatory hydrogel for promoting cartilage regeneration an in vivo study
topic anti‐inflammation
cartilage regeneration
diacerein
hydrogel
injectable
url https://doi.org/10.1002/mame.202400382
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