Physalin H ameliorates LPS-induced acute lung injury via KEAP1/NRF2 axis
Copyright © 2024 Elsevier B.V. All rights reserved..
Physalin H (PH), a withanolide isolated from Physalisangulata L. has been reported to have anti-inflammatory effect. However, its impact on acute lung injury (ALI) remains unexplored. In this study, we observed that PH significantly alleviated inflammation in LPS-stimulated macrophages by suppressing the release of proinflammatory cytokines (TNF-α, IL-1β, and IL-6) and down-regulating the expression of the inflammation-related genes. RNA sequencing analysis revealed a significant up-regulation of the NRF2 pathway by PH. Further investigation elucidated that PH attenuated the ubiquitination of NRF2 by impeding the interaction between NRF2 and KEAP1, thereby facilitating NRF2 nuclear translocation and up-regulating the expression of target genes. Consequently, it regulated redox system and exerted anti-inflammatory effect. Consistently, PH also significantly alleviated pathological damage and inflammation in LPS-induced ALI mice model, which could be reversed by administration of an NRF2 inhibitor. Collectively, these results suggest that PH ameliorates ALI by activating the KEAP1/NRF2 pathway. These findings provide a foundation for further development of pH as a new anti-inflammatory agent for ALI therapy.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:131 |
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| Enthalten in: |
International immunopharmacology - 131(2024) vom: 20. Apr., Seite 111789 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Cai, Yuxing [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 10.04.2024 Date Revised 10.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.intimp.2024.111789 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM369743598 |
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| 520 | |a Physalin H (PH), a withanolide isolated from Physalisangulata L. has been reported to have anti-inflammatory effect. However, its impact on acute lung injury (ALI) remains unexplored. In this study, we observed that PH significantly alleviated inflammation in LPS-stimulated macrophages by suppressing the release of proinflammatory cytokines (TNF-α, IL-1β, and IL-6) and down-regulating the expression of the inflammation-related genes. RNA sequencing analysis revealed a significant up-regulation of the NRF2 pathway by PH. Further investigation elucidated that PH attenuated the ubiquitination of NRF2 by impeding the interaction between NRF2 and KEAP1, thereby facilitating NRF2 nuclear translocation and up-regulating the expression of target genes. Consequently, it regulated redox system and exerted anti-inflammatory effect. Consistently, PH also significantly alleviated pathological damage and inflammation in LPS-induced ALI mice model, which could be reversed by administration of an NRF2 inhibitor. Collectively, these results suggest that PH ameliorates ALI by activating the KEAP1/NRF2 pathway. These findings provide a foundation for further development of pH as a new anti-inflammatory agent for ALI therapy | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Acute lung injury | |
| 650 | 4 | |a NRF2 activator | |
| 650 | 4 | |a Physalin H | |
| 650 | 4 | |a Redox system | |
| 650 | 4 | |a Withanolide | |
| 650 | 7 | |a NF-E2-Related Factor 2 |2 NLM | |
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| 700 | 1 | |a Zhu, Jiangmin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Ling |e verfasserin |4 aut | |
| 700 | 1 | |a Hong, Lihong |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jianfei |e verfasserin |4 aut | |
| 700 | 1 | |a Kong, Lingyi |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Chen |e verfasserin |4 aut | |
| 700 | 1 | |a Luo, Jianguang |e verfasserin |4 aut | |
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