Puerarin attenuates cisplatin-induced apoptosis of hair cells through the mitochondrial apoptotic pathway
Copyright © 2021. Published by Elsevier B.V..
Puerarin, one of the main components of Pueraria lobata, has been reported to possess a wide range of pharmacological activities, including anti-inflammatory, antioxidative and anti-apoptotic effects. However, the role of puerarin in ototoxic drug-induced hair cell injury has not been well characterized. This study explored whether puerarin protects against cisplatin-induced hair cell damage and its potential mechanisms. The viability of puerarin-treated HEI-OC1 cells was assessed by CCK8 assay. Reactive oxygen species (ROS) was estimated with flow cytometric analysis using Cellrox Green fluorescent probe. Apoptosis-related protein levels were detected by western blot analysis. Immunostaining of the organ of Corti was performed to determine mice cochlear hair cell survival. Our results showed that puerarin improved cell viability and suppressed apoptosis in the cisplatin-damaged HEI-OC1 cells and cochlear hair cells. Mechanistic studies revealed that puerarin attenuated mitochondrial apoptosis pathway by regulating apoptotic related proteins, such as Bax and cleaved caspase-3, and attenuated ROS accumulation after cisplatin damage. Moreover, puerarin was involved in regulating the Akt pathway in HEI-OC1 cells in response to cisplatin. Our results demonstrated that puerarin administration decreased the sensitivity to apoptosis dependent on the mitochondrial apoptotic pathway by reducing ROS generation, which could be used as a new protective agent against cisplatin-induced ototoxicity.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:1869 |
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| Enthalten in: |
Biochimica et biophysica acta. Molecular cell research - 1869(2022), 4 vom: 15. Apr., Seite 119208 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Xu, Bingqiang [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 14.03.2022 Date Revised 14.03.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.bbamcr.2021.119208 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Puerarin, one of the main components of Pueraria lobata, has been reported to possess a wide range of pharmacological activities, including anti-inflammatory, antioxidative and anti-apoptotic effects. However, the role of puerarin in ototoxic drug-induced hair cell injury has not been well characterized. This study explored whether puerarin protects against cisplatin-induced hair cell damage and its potential mechanisms. The viability of puerarin-treated HEI-OC1 cells was assessed by CCK8 assay. Reactive oxygen species (ROS) was estimated with flow cytometric analysis using Cellrox Green fluorescent probe. Apoptosis-related protein levels were detected by western blot analysis. Immunostaining of the organ of Corti was performed to determine mice cochlear hair cell survival. Our results showed that puerarin improved cell viability and suppressed apoptosis in the cisplatin-damaged HEI-OC1 cells and cochlear hair cells. Mechanistic studies revealed that puerarin attenuated mitochondrial apoptosis pathway by regulating apoptotic related proteins, such as Bax and cleaved caspase-3, and attenuated ROS accumulation after cisplatin damage. Moreover, puerarin was involved in regulating the Akt pathway in HEI-OC1 cells in response to cisplatin. Our results demonstrated that puerarin administration decreased the sensitivity to apoptosis dependent on the mitochondrial apoptotic pathway by reducing ROS generation, which could be used as a new protective agent against cisplatin-induced ototoxicity | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Cisplatin | |
| 650 | 4 | |a Hair cell | |
| 650 | 4 | |a Ototoxicity | |
| 650 | 4 | |a Puerarin | |
| 650 | 4 | |a ROS | |
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| 700 | 1 | |a Li, Juedan |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Xiaolong |e verfasserin |4 aut | |
| 700 | 1 | |a Kou, Mingqing |e verfasserin |4 aut | |
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