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Dynamic-covalent hybrid hydrogels with cartilaginous immune microenvironment temporally regulating meniscus regeneration.

作者信息

Chang Zhanyu, Ran Xinyue, Chu Yaru, Li Bohui, Fan Zhenlin, Li Genke, Li Dan, Ren Wenjie, Hua Yujie, Zhou Guangdong

机构信息

The Third Affiliated Hospital of Xinxiang Medical University, Institutes of Health Central Plain, Clinical Medical Center of Tissue Engineering and Regeneration, Xinxiang Medical University, Xinxiang, Henan, 453003, PR China.

Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, PR China.

出版信息

Bioact Mater. 2025 Apr 3;50:14-29. doi: 10.1016/j.bioactmat.2025.03.026. eCollection 2025 Aug.


DOI:10.1016/j.bioactmat.2025.03.026
PMID:40242503
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11998115/
Abstract

Meniscus is a crescent-shaped fibrocartilage tissue for providing structural congruence and absorbing mechanical forces. Currently, the development of material-guided regeneration medicine strategy has emerged as a promising alternative for meniscus treatment. However, it often presents more complex pathological conditions of immune-inflammatory responses, and thus inevitably causes a harsh microenvironment that extremely hinders fibrocartilage regeneration. Therefore, there is an urgent need to develop bioactive materials to achieve cartilaginous immunomodulatory throughout the whole regenerative periods. In this study, we develop a novel dynamic-covalent hybrid () hydrogel with cartilaginous immune microenvironment () to temporally regulate meniscus regeneration. By combining dynamic boronic ester crosslinking and covalent photopolymerization reactions, hydrogels exhibit favorable injectability, self-healing, and tissue adhesion properties for practical operation. Furthermore, is successfully created by the introduction of a temporally on-demand regulatory system: naproxen anti-inflammatory drugs are preferentially released to regulate M1/M2 macrophage polarization through PI3K/Akt/mTOR signaling pathway at early stage, while TGFβ3/CTGF growth factors are on-demand released to promote fibrochondrogenic differentiation of stem cells in the post-regulatory microenvironment at later stage. Finally, experiments demonstrate the satisfactory repair of meniscus cartilage defects in rabbits by activating the endogenous repair of stem cells homing based on our established cartilaginous immunomodulatory strategy.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/dec23cc5b7c6/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/53087ddb6f99/ga1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/25187e8841d3/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/a00941905734/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/ba4b92897bc1/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/81c9ba7be6a1/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/a36e7cbbea6b/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/a6a1692de888/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/8141f062a802/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/dec23cc5b7c6/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/53087ddb6f99/ga1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/25187e8841d3/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/a00941905734/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/ba4b92897bc1/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/81c9ba7be6a1/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/a36e7cbbea6b/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/a6a1692de888/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/8141f062a802/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/972a/11998115/dec23cc5b7c6/gr8.jpg

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Dynamic-covalent hybrid hydrogels with cartilaginous immune microenvironment temporally regulating meniscus regeneration.

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[7]
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[9]
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[10]
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引用本文的文献

[1]
Multi-omics data reveal that SAA1 + fibroblasts exacerbate periodontitis by regulating macrophage inflammation and chemotaxis.

J Transl Med. 2025-8-7

本文引用的文献

[1]
Precise Lubrication and Protection of Cartilage Damage by Targeting Hydrogel Microsphere.

Adv Mater. 2024-10

[2]
Surgical Therapy and Tissue Engineering for Meniscal Repair.

Tissue Eng Part B Rev. 2025-6

[3]
Artificial mucus layer formed in response to ROS for the oral treatment of inflammatory bowel disease.

Sci Adv. 2024-7-26

[4]
Four-dimensional hydrogel dressing adaptable to the urethral microenvironment for scarless urethral reconstruction.

Nat Commun. 2023-11-22

[5]
ROS-responsive phenylboronic ester-based nanovesicles as multifunctional drug delivery systems for the treatment of inflammatory and thrombotic complications.

Biomater Sci. 2023-12-5

[6]
Instant trachea reconstruction using 3D-bioprinted -shape biomimetic trachea based on tissue-specific matrix hydrogels.

Bioact Mater. 2023-9-29

[7]
Efficacy of meniscus suture absorbability on meniscus healing success rate via second-look arthroscopy after meniscal repair: a systematic review and meta-analysis.

BMC Musculoskelet Disord. 2023-9-8

[8]
Absorbable implants in sport medicine and arthroscopic surgery: A narrative review of recent development.

Bioact Mater. 2023-8-17

[9]
Impacts of polypropylene microplastics on lipid profiles of mouse liver uncovered by lipidomics analysis and Raman spectroscopy.

J Hazard Mater. 2023-9-15

[10]
Meniscal extrusion, cartilage, bone, and ligament lesions associated with medial meniscus posterior root tear gap.

Eur J Radiol. 2023-5

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