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Jia KW, Yao RQ, Fan YW, Zhang DJ, Zhou Y, Wang MJ, Zhang LY, Dong Y, Li ZX, Wang SY, Wang M, Li YH, Zhang LX, Lei T, Gui LC, Lu S, Yang YY, Wang SX, Yu YZ, Yao YM, Hou J. Interferon-α stimulates DExH-box helicase 58 to prevent hepatocyte ferroptosis. Mil Med Res 2024; 11:22. [PMID: 38622688 PMCID: PMC11017495 DOI: 10.1186/s40779-024-00524-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 03/19/2024] [Indexed: 04/17/2024] Open
Abstract
BACKGROUND Liver ischemia/reperfusion (I/R) injury is usually caused by hepatic inflow occlusion during liver surgery, and is frequently observed during war wounds and trauma. Hepatocyte ferroptosis plays a critical role in liver I/R injury, however, it remains unclear whether this process is controlled or regulated by members of the DEAD/DExH-box helicase (DDX/DHX) family. METHODS The expression of DDX/DHX family members during liver I/R injury was screened using transcriptome analysis. Hepatocyte-specific Dhx58 knockout mice were constructed, and a partial liver I/R operation was performed. Single-cell RNA sequencing (scRNA-seq) in the liver post I/R suggested enhanced ferroptosis by Dhx58hep-/-. The mRNAs and proteins associated with DExH-box helicase 58 (DHX58) were screened using RNA immunoprecipitation-sequencing (RIP-seq) and IP-mass spectrometry (IP-MS). RESULTS Excessive production of reactive oxygen species (ROS) decreased the expression of the IFN-stimulated gene Dhx58 in hepatocytes and promoted hepatic ferroptosis, while treatment using IFN-α increased DHX58 expression and prevented ferroptosis during liver I/R injury. Mechanistically, DHX58 with RNA-binding activity constitutively associates with the mRNA of glutathione peroxidase 4 (GPX4), a central ferroptosis suppressor, and recruits the m6A reader YT521-B homology domain containing 2 (YTHDC2) to promote the translation of Gpx4 mRNA in an m6A-dependent manner, thus enhancing GPX4 protein levels and preventing hepatic ferroptosis. CONCLUSIONS This study provides mechanistic evidence that IFN-α stimulates DHX58 to promote the translation of m6A-modified Gpx4 mRNA, suggesting the potential clinical application of IFN-α in the prevention of hepatic ferroptosis during liver I/R injury.
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Affiliation(s)
- Kai-Wei Jia
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Ren-Qi Yao
- Department of General Surgery, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, Beijing, 100853, China
| | - Yi-Wen Fan
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Ding-Ji Zhang
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Ye Zhou
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Min-Jun Wang
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Li-Yuan Zhang
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Yue Dong
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Zhi-Xuan Li
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Su-Yuan Wang
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Mu Wang
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Yun-Hui Li
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Lu-Xin Zhang
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Ting Lei
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Liang-Chen Gui
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Shan Lu
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Ying-Yun Yang
- Center for Immunotherapy, Chinese Academy of Medical Sciences, Beijing, 100005, China
| | - Si-Xian Wang
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Yi-Zhi Yu
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China
| | - Yong-Ming Yao
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, Beijing, 100853, China.
| | - Jin Hou
- National Key Laboratory of Medical Immunology & Institute of Immunology, Naval Medical University, Shanghai, 200433, China.
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