Ischemia-inhibited ferric chelate reductase 1 improves ferroptosis-mediated intestinal ischemia injury via Hippo signaling
Copyright © 2024. Published by Elsevier B.V..
The precise mechanism of ferroptosis as a regulatory cell death in intestinal ischemia injury induced by vascular intestinal obstruction (Vio) remains to be elucidated. Here, we evaluated iron levels, glutathione peroxidase 4 (GPX4) and Acyl-CoA synthetase long-chain family member 4 (ACSL4) changes after intestinal ischemia injury to validate ferroptosis. As an enzyme for Fe3+ reduction to Fe2+, Ferric Chelate Reductase 1 (FRRS1) is involved in the electron transport chain and the tricarboxylic acid (TCA) cycle in mitochondria. However, whether it is involved in ferroptosis and its role in intestinal ischemia injury need to be clarified. In the present study, FRRS1 was overexpressed in vivo and in vitro. The results showed that overexpression of FRRS1 prevented ischemia-induced iron levels, reactive oxygen species (ROS) production, lipid peroxidation, inflammatory responses, and cell death. Meanwhile, FRRS1 overexpression promoted GPX4 expression and suppressed ACSL4 levels. Further studies revealed that FRRS1 overexpression inhibited the activity of large tumor suppressor 1 (LATS1) / Yes-associated protein (YAP) / transcriptional co-activator with PDZ-binding motif (TAZ), a key component of Hippo signaling. In conclusion, this study demonstrates that FRRS1 is intimately involved in the inhibition of ferroptosis and thus protection of the intestine from intestinal ischemia injury, its downstream mechanism was related to Hippo signaling. These data provide new sight for the prevention and treatment of intestinal ischemia injury.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:132 |
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| Enthalten in: |
International immunopharmacology - 132(2024) vom: 25. März, Seite 111900 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liang, Pengzhen [VerfasserIn] |
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| Links: |
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| Themen: |
Acyl-CoA synthetase long-chain family member 4 |
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| Anmerkungen: |
Date Revised 26.03.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1016/j.intimp.2024.111900 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM370207483 |
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| 520 | |a Copyright © 2024. Published by Elsevier B.V. | ||
| 520 | |a The precise mechanism of ferroptosis as a regulatory cell death in intestinal ischemia injury induced by vascular intestinal obstruction (Vio) remains to be elucidated. Here, we evaluated iron levels, glutathione peroxidase 4 (GPX4) and Acyl-CoA synthetase long-chain family member 4 (ACSL4) changes after intestinal ischemia injury to validate ferroptosis. As an enzyme for Fe3+ reduction to Fe2+, Ferric Chelate Reductase 1 (FRRS1) is involved in the electron transport chain and the tricarboxylic acid (TCA) cycle in mitochondria. However, whether it is involved in ferroptosis and its role in intestinal ischemia injury need to be clarified. In the present study, FRRS1 was overexpressed in vivo and in vitro. The results showed that overexpression of FRRS1 prevented ischemia-induced iron levels, reactive oxygen species (ROS) production, lipid peroxidation, inflammatory responses, and cell death. Meanwhile, FRRS1 overexpression promoted GPX4 expression and suppressed ACSL4 levels. Further studies revealed that FRRS1 overexpression inhibited the activity of large tumor suppressor 1 (LATS1) / Yes-associated protein (YAP) / transcriptional co-activator with PDZ-binding motif (TAZ), a key component of Hippo signaling. In conclusion, this study demonstrates that FRRS1 is intimately involved in the inhibition of ferroptosis and thus protection of the intestine from intestinal ischemia injury, its downstream mechanism was related to Hippo signaling. These data provide new sight for the prevention and treatment of intestinal ischemia injury | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Acyl-CoA synthetase long-chain family member 4 | |
| 650 | 4 | |a Glutathione peroxidase 4 | |
| 650 | 4 | |a Intestinal ischemia injury | |
| 650 | 4 | |a Vascular intestinal obstruction | |
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| 700 | 1 | |a Xie, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xing |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Zhaohui |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Chuanming |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Hongchang |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Zhenjie |e verfasserin |4 aut | |
| 700 | 1 | |a Ji, Zhong |e verfasserin |4 aut | |
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