Glycyrrhizin regulates antioxidation through Nrf2 signaling pathway in rat temporomandibular joint osteoarthritis
© 2023 John Wiley & Sons Ltd..
BACKGROUND: Regulation of redox homeostasis could reduce osteoarthritis severity and limit disease progression, while glycyrrhizin (GL) shows great antioxidant and anti-inflammatory capacity.
OBJECTIVE: The aim of this study was to investigate the role of GL on oxidative stress and the potential regulatory mechanism in rat temporomandibular joint (TMJ) chondrocytes under oxidative stress, and investigate the effect of GL in the rat temporomandibular joint osteoarthritis (TMJOA) model.
METHODS: Rat TMJ chondrocytes were cultured in oxidative stress with different doses of GL. The effect of glycyrrhizin on the nuclear factor-erythroid 2-related factor 2 (Nrf2) in oxidative stress was evaluated by western blot and immunofluorescence staining. A rat model of TMJOA was treated with GL. Micro-computed tomography, histological and immunohistochemical analysis were used to assess the pathological change of TMJOA.
RESULTS: The expression of superoxide dismutase 1 (SOD1), heme oxygenase-1 (HO-1), and peroxiredoxin 6 (PRDX6) were decreased, and intracellular Nrf2 signaling pathway was activated in chondrocytes in oxidative stress. GL upregulates the expression of antioxidants, especially PRDX6, as well as increases Nrf2 expression and nuclear translocation in rat condylar chondrocytes. Administration of GL attenuates condylar bone destruction, cartilage degeneration, and synovitis in rats TMJOA. Meanwhile, GL alleviated oxidative stress and enhanced the antioxidant capacity of TMJOA cartilage.
CONCLUSION: This study suggested that GL alleviates rat TMJOA by regulating oxidative stress in condylar cartilage.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:51 |
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| Enthalten in: |
Journal of oral rehabilitation - 51(2024), 3 vom: 01. Feb., Seite 611-622 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hu, Zhihui [VerfasserIn] |
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| Links: |
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| Themen: |
6FO62043WK |
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| Anmerkungen: |
Date Completed 16.02.2024 Date Revised 16.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1111/joor.13621 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM364539224 |
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| 245 | 1 | 0 | |a Glycyrrhizin regulates antioxidation through Nrf2 signaling pathway in rat temporomandibular joint osteoarthritis |
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| 500 | |a Date Revised 16.02.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2023 John Wiley & Sons Ltd. | ||
| 520 | |a BACKGROUND: Regulation of redox homeostasis could reduce osteoarthritis severity and limit disease progression, while glycyrrhizin (GL) shows great antioxidant and anti-inflammatory capacity | ||
| 520 | |a OBJECTIVE: The aim of this study was to investigate the role of GL on oxidative stress and the potential regulatory mechanism in rat temporomandibular joint (TMJ) chondrocytes under oxidative stress, and investigate the effect of GL in the rat temporomandibular joint osteoarthritis (TMJOA) model | ||
| 520 | |a METHODS: Rat TMJ chondrocytes were cultured in oxidative stress with different doses of GL. The effect of glycyrrhizin on the nuclear factor-erythroid 2-related factor 2 (Nrf2) in oxidative stress was evaluated by western blot and immunofluorescence staining. A rat model of TMJOA was treated with GL. Micro-computed tomography, histological and immunohistochemical analysis were used to assess the pathological change of TMJOA | ||
| 520 | |a RESULTS: The expression of superoxide dismutase 1 (SOD1), heme oxygenase-1 (HO-1), and peroxiredoxin 6 (PRDX6) were decreased, and intracellular Nrf2 signaling pathway was activated in chondrocytes in oxidative stress. GL upregulates the expression of antioxidants, especially PRDX6, as well as increases Nrf2 expression and nuclear translocation in rat condylar chondrocytes. Administration of GL attenuates condylar bone destruction, cartilage degeneration, and synovitis in rats TMJOA. Meanwhile, GL alleviated oxidative stress and enhanced the antioxidant capacity of TMJOA cartilage | ||
| 520 | |a CONCLUSION: This study suggested that GL alleviates rat TMJOA by regulating oxidative stress in condylar cartilage | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Nrf2 | |
| 650 | 4 | |a animal model | |
| 650 | 4 | |a antioxidation | |
| 650 | 4 | |a glycyrrhizin | |
| 650 | 4 | |a oxidative stress | |
| 650 | 4 | |a temporomandibular joint osteoarthritis | |
| 650 | 7 | |a Antioxidants |2 NLM | |
| 650 | 7 | |a Glycyrrhizic Acid |2 NLM | |
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| 700 | 1 | |a Liu, Xin |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yanyan |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Henghua |e verfasserin |4 aut | |
| 700 | 1 | |a Fang, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Long, Xing |e verfasserin |4 aut | |
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