Hybrid Hydrogels for Synergistic Periodontal Antibacterial Treatment with Sustained Drug Release and NIR-Responsive Photothermal Effect
© 2020 Lin et al..
BACKGROUND: Periodontal pathogenic bacteria promote the destruction of periodontal tissues and cause loosening and loss of teeth in adults. However, complete removal of periodontal pathogenic bacteria, at both the bottom of the periodontal pocket and the root bifurcation area, remains challenging. In this work, we explored a synergistic antibiotic and photothermal treatment, which is considered an alternative strategy for highly efficient periodontal antibacterial therapy.
METHODS: Mesoporous silica (MSNs) on the surface of Au nanobipyramids (Au NBPs) were designed to achieve the sustained release of the drug and photothermal antibacterials. The mesoporous silica-coated Au NBPs (Au NBPsSiO2) were mixed with gelatin methacrylate (GelMA-Au NBPs@SiO2). Au NBPs@SiO2 and GelMA-Au NBPs@SiO2 hybrid hydrogels were characterized, and the drug content and photothermal properties in terms of the release profile, bacterial inhibition, and cell growth were investigated.
RESULTS: The GelMA-Au NBPsSiO2 hybrid hydrogels showed controllable minocycline delivery, and the drug release rates increased under 808 nm near-infrared (NIR) light irradiation. The hydrogels also exhibited excellent antibacterial properties, and the antibacterial efficacy of the antibiotic and photothermal treatment was as high as 90% and 66.7% against Porphyromonas gingivalis (P. gingivalis), respectively. Moreover, regardless of NIR irradiation, cell viability was over 80% and the concentration of Au NBPs@SiO2 in the hybrid hydrogels was as high as 100 µg/mL.
CONCLUSION: We designed a new near-infrared light (NIR)-activated hybrid hydrogel that offers both sustained release of antibacterial drugs and photothermal treatment. Such sustained release pattern yields the potential to rapidly eliminate periodontal pathogens in the periodontal pocket, and the photothermal treatment maintains low bacterial retention after the drug treatment.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
International journal of nanomedicine - 15(2020) vom: 07., Seite 5377-5387 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lin, Jian [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 02.11.2020 Date Revised 29.03.2024 published: Electronic-eCollection Citation Status MEDLINE |
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| doi: |
10.2147/IJN.S248538 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 0 | |a Hybrid Hydrogels for Synergistic Periodontal Antibacterial Treatment with Sustained Drug Release and NIR-Responsive Photothermal Effect |
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| 520 | |a © 2020 Lin et al. | ||
| 520 | |a BACKGROUND: Periodontal pathogenic bacteria promote the destruction of periodontal tissues and cause loosening and loss of teeth in adults. However, complete removal of periodontal pathogenic bacteria, at both the bottom of the periodontal pocket and the root bifurcation area, remains challenging. In this work, we explored a synergistic antibiotic and photothermal treatment, which is considered an alternative strategy for highly efficient periodontal antibacterial therapy | ||
| 520 | |a METHODS: Mesoporous silica (MSNs) on the surface of Au nanobipyramids (Au NBPs) were designed to achieve the sustained release of the drug and photothermal antibacterials. The mesoporous silica-coated Au NBPs (Au NBPsSiO2) were mixed with gelatin methacrylate (GelMA-Au NBPs@SiO2). Au NBPs@SiO2 and GelMA-Au NBPs@SiO2 hybrid hydrogels were characterized, and the drug content and photothermal properties in terms of the release profile, bacterial inhibition, and cell growth were investigated | ||
| 520 | |a RESULTS: The GelMA-Au NBPsSiO2 hybrid hydrogels showed controllable minocycline delivery, and the drug release rates increased under 808 nm near-infrared (NIR) light irradiation. The hydrogels also exhibited excellent antibacterial properties, and the antibacterial efficacy of the antibiotic and photothermal treatment was as high as 90% and 66.7% against Porphyromonas gingivalis (P. gingivalis), respectively. Moreover, regardless of NIR irradiation, cell viability was over 80% and the concentration of Au NBPs@SiO2 in the hybrid hydrogels was as high as 100 µg/mL | ||
| 520 | |a CONCLUSION: We designed a new near-infrared light (NIR)-activated hybrid hydrogel that offers both sustained release of antibacterial drugs and photothermal treatment. Such sustained release pattern yields the potential to rapidly eliminate periodontal pathogens in the periodontal pocket, and the photothermal treatment maintains low bacterial retention after the drug treatment | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Au nanobipyramids | |
| 650 | 4 | |a antibacterial properties | |
| 650 | 4 | |a gelatin methacrylate | |
| 650 | 4 | |a mesoporous silica | |
| 650 | 4 | |a periodontitis | |
| 650 | 4 | |a photothermal therapy | |
| 650 | 7 | |a Anti-Bacterial Agents |2 NLM | |
| 650 | 7 | |a Delayed-Action Preparations |2 NLM | |
| 650 | 7 | |a Hydrogels |2 NLM | |
| 650 | 7 | |a Methacrylates |2 NLM | |
| 650 | 7 | |a Gold |2 NLM | |
| 650 | 7 | |a 7440-57-5 |2 NLM | |
| 650 | 7 | |a Silicon Dioxide |2 NLM | |
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| 700 | 1 | |a He, Zhiqi |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Fen |e verfasserin |4 aut | |
| 700 | 1 | |a Feng, Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Chengyi |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Xueli |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Hui |e verfasserin |4 aut | |
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