Dopamine-grafted oxidized hyaluronic acid/gelatin/cordycepin nanofiber membranes modulate the TLR4/NF-kB signaling pathway to promote diabetic wound healing
Copyright © 2024 Elsevier B.V. All rights reserved..
Due to impaired immune function, diabetic wounds are highly susceptible to the development of excessive inflammatory responses and prolonged recurrent bacterial infections that impede diabetic wound healing. Therefore, it is necessary to design and develop a wound dressing that controls bacterial infection and inhibits excessive inflammatory response. In this study, hyaluronic acid (HA) was modified using dopamine (DA). Subsequently, cordycepin (COR) was loaded into dopamine-modified hyaluronic acid (OHDA)/gelatin (GEL) nanofiber wound dressing by electrostatic spinning technique. The constructed COR/OHDA/GEL nanofiber membrane has good thermal stability, hydrophilicity, and air permeability. In vitro experiments showed that the obtained COR/OHDA/GEL nanofiber membranes had good antimicrobial efficacy (S. aureus: 95.60 ± 0.99 %, E. coli: 71.17 ± 6.87 %), antioxidant activity (>90 %), and biocompatibility. In vivo experiments showed that COR/OHDA/GEL nanofiber membranes could promote wound tissue remodeling, collagen deposition, and granulation tissue regeneration. Western blot experiments showed that COR/OHDA/GEL nanofibrous membranes could inhibit the excessive inflammatory response of wounds through the TLR4/NF-κB signaling pathway. Therefore, COR/OHDA/GEL nanofiber membranes could promote diabetic wound healing by modulating the inflammatory response. The results showed that the designed nanofiber wound dressing is expected to provide a new strategy for treating chronic wounds.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:262 |
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| Enthalten in: |
International journal of biological macromolecules - 262(2024), Pt 1 vom: 20. März, Seite 130079 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Ning [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 20.03.2024 Date Revised 20.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.ijbiomac.2024.130079 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 520 | |a Copyright © 2024 Elsevier B.V. All rights reserved. | ||
| 520 | |a Due to impaired immune function, diabetic wounds are highly susceptible to the development of excessive inflammatory responses and prolonged recurrent bacterial infections that impede diabetic wound healing. Therefore, it is necessary to design and develop a wound dressing that controls bacterial infection and inhibits excessive inflammatory response. In this study, hyaluronic acid (HA) was modified using dopamine (DA). Subsequently, cordycepin (COR) was loaded into dopamine-modified hyaluronic acid (OHDA)/gelatin (GEL) nanofiber wound dressing by electrostatic spinning technique. The constructed COR/OHDA/GEL nanofiber membrane has good thermal stability, hydrophilicity, and air permeability. In vitro experiments showed that the obtained COR/OHDA/GEL nanofiber membranes had good antimicrobial efficacy (S. aureus: 95.60 ± 0.99 %, E. coli: 71.17 ± 6.87 %), antioxidant activity (>90 %), and biocompatibility. In vivo experiments showed that COR/OHDA/GEL nanofiber membranes could promote wound tissue remodeling, collagen deposition, and granulation tissue regeneration. Western blot experiments showed that COR/OHDA/GEL nanofibrous membranes could inhibit the excessive inflammatory response of wounds through the TLR4/NF-κB signaling pathway. Therefore, COR/OHDA/GEL nanofiber membranes could promote diabetic wound healing by modulating the inflammatory response. The results showed that the designed nanofiber wound dressing is expected to provide a new strategy for treating chronic wounds | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Anti-inflammatory | |
| 650 | 4 | |a Antibacterial | |
| 650 | 4 | |a Cordycepin | |
| 650 | 4 | |a Diabetic wound healing | |
| 650 | 4 | |a Dopamine-modified hyaluronic acid | |
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| 650 | 7 | |a Toll-Like Receptor 4 |2 NLM | |
| 650 | 7 | |a Anti-Bacterial Agents |2 NLM | |
| 650 | 7 | |a TLR4 protein, human |2 NLM | |
| 650 | 7 | |a Deoxyadenosines |2 NLM | |
| 700 | 1 | |a Hong, Bo |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Yingchun |e verfasserin |4 aut | |
| 700 | 1 | |a Ding, Chuanbo |e verfasserin |4 aut | |
| 700 | 1 | |a Chai, Guodong |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yue |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Jiali |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Lifeng |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Weimin |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Shuang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Shuai |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xinglong |e verfasserin |4 aut | |
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