Dual-network DNA-silk fibroin hydrogels with controllable surface rigidity for regulating chondrogenic differentiation
Osteoarthritis (OA) is a common joint disease known for cartilage degeneration, leading to a substantial burden on individuals and society due to its high disability rate. However, current clinical treatments for cartilage defects remain unsatisfactory due to the unclear mechanisms underlying cartilage regeneration. Tissue engineering hydrogels have emerged as an attractive approach in cartilage repair. Recent research studies have indicated that stem cells can sense the mechanical strength of hydrogels, thereby regulating their differentiation fate. In this study, we present the groundbreaking construction of dual-network DNA-silk fibroin (SF) hydrogels with controllable surface rigidity. The supramolecular networks, formed through DNA base-pairing, induce the development of β-sheet structures by constraining and aggregating SF molecules. Subsequently, SF was cross-linked via horseradish peroxidase (HRP)-mediated enzyme reactions to form the second network. Experimental results demonstrated a positive correlation between the surface rigidity of dual-network DNA-SF hydrogels and the DNA content. Interestingly, it was observed that dual-network DNA-SF hydrogels with moderate surface rigidity exhibited the highest effectiveness in facilitating the migration of bone marrow mesenchymal stem cells (BMSCs) and their chondrogenic differentiation. Transcriptome sequencing further confirmed that dual-network DNA-SF hydrogels primarily enhanced chondrogenic differentiation of BMSCs by upregulating the Wnt and TGF-β signaling pathways while accelerating collagen II synthesis. Furthermore, in vivo studies revealed that dual-network DNA-SF hydrogels with moderate surface rigidity significantly accelerated cartilage regeneration. In summary, the dual-network DNA-SF hydrogels represent a promising and novel therapeutic strategy for cartilage regeneration.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:11 |
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| Enthalten in: |
Materials horizons - 11(2024), 6 vom: 18. März, Seite 1465-1483 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhou, Ziyang [VerfasserIn] |
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| Links: |
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| Themen: |
9007-76-5 |
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| Anmerkungen: |
Date Completed 19.03.2024 Date Revised 26.03.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1039/d3mh01581e |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM367124254 |
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| 520 | |a Osteoarthritis (OA) is a common joint disease known for cartilage degeneration, leading to a substantial burden on individuals and society due to its high disability rate. However, current clinical treatments for cartilage defects remain unsatisfactory due to the unclear mechanisms underlying cartilage regeneration. Tissue engineering hydrogels have emerged as an attractive approach in cartilage repair. Recent research studies have indicated that stem cells can sense the mechanical strength of hydrogels, thereby regulating their differentiation fate. In this study, we present the groundbreaking construction of dual-network DNA-silk fibroin (SF) hydrogels with controllable surface rigidity. The supramolecular networks, formed through DNA base-pairing, induce the development of β-sheet structures by constraining and aggregating SF molecules. Subsequently, SF was cross-linked via horseradish peroxidase (HRP)-mediated enzyme reactions to form the second network. Experimental results demonstrated a positive correlation between the surface rigidity of dual-network DNA-SF hydrogels and the DNA content. Interestingly, it was observed that dual-network DNA-SF hydrogels with moderate surface rigidity exhibited the highest effectiveness in facilitating the migration of bone marrow mesenchymal stem cells (BMSCs) and their chondrogenic differentiation. Transcriptome sequencing further confirmed that dual-network DNA-SF hydrogels primarily enhanced chondrogenic differentiation of BMSCs by upregulating the Wnt and TGF-β signaling pathways while accelerating collagen II synthesis. Furthermore, in vivo studies revealed that dual-network DNA-SF hydrogels with moderate surface rigidity significantly accelerated cartilage regeneration. In summary, the dual-network DNA-SF hydrogels represent a promising and novel therapeutic strategy for cartilage regeneration | ||
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| 700 | 1 | |a Song, Peiran |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Miaomiao |e verfasserin |4 aut | |
| 700 | 1 | |a Shen, Congyi |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Zhixin |e verfasserin |4 aut | |
| 700 | 1 | |a Ren, Xiaoxiang |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xiuhui |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Xiao |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Zuhao |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Qin |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Mengmeng |e verfasserin |4 aut | |
| 700 | 1 | |a Geng, Zhen |e verfasserin |4 aut | |
| 700 | 1 | |a Su, Jiacan |e verfasserin |4 aut | |
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