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Miyamoto HD, Ikeda M, Ide T, Tadokoro T, Furusawa S, Abe K, Ishimaru K, Enzan N, Sada M, Yamamoto T, Matsushima S, Koumura T, Yamada KI, Imai H, Tsutsui H. Iron Overload via Heme Degradation in the Endoplasmic Reticulum Triggers Ferroptosis in Myocardial Ischemia-Reperfusion Injury. JACC Basic Transl Sci 2022; 7:800-819. [PMID: 36061338 PMCID: PMC9436815 DOI: 10.1016/j.jacbts.2022.03.012] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/16/2022] [Accepted: 03/16/2022] [Indexed: 10/25/2022]
Abstract
Ischemia-reperfusion (I/R) injury is a promising therapeutic target to improve clinical outcomes after acute myocardial infarction. Ferroptosis, triggered by iron overload and excessive lipid peroxides, is reportedly involved in I/R injury. However, its significance and mechanistic basis remain unclear. Here, we show that glutathione peroxidase 4 (GPx4), a key endogenous suppressor of ferroptosis, determines the susceptibility to myocardial I/R injury. Importantly, ferroptosis is a major mode of cell death in I/R injury, distinct from mitochondrial permeability transition (MPT)-driven necrosis. This suggests that the use of therapeutics targeting both modes is an effective strategy to further reduce the infarct size and thereby ameliorate cardiac remodeling after I/R injury. Furthermore, we demonstrate that heme oxygenase 1 up-regulation in response to hypoxia and hypoxia/reoxygenation degrades heme and thereby induces iron overload and ferroptosis in the endoplasmic reticulum (ER) of cardiomyocytes. Collectively, ferroptosis triggered by GPx4 reduction and iron overload in the ER is distinct from MPT-driven necrosis in both in vivo phenotype and in vitro mechanism for I/R injury. The use of therapeutics targeting ferroptosis in conjunction with cyclosporine A can be a promising strategy for I/R injury.
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Key Words
- AMI, acute myocardial infarction
- CsA, cyclosporine A
- CypD, cyclophilin D
- DXZ, dexrazoxane
- ER, endoplasmic reticulum
- Fer-1, ferrostatin-1
- GPx4, glutathione peroxidase 4
- H/R, hypoxia-reoxygenation
- HF, heart failure
- HO-1, heme oxygenase 1
- I/R, ischemia-reperfusion
- LP, lipid peroxide
- MPT, mitochondrial permeability transition
- MPT-driven necrosis
- RCD, regulated cell death
- STEMI, ST-segment elevation myocardial infarction
- cyclosporine A
- ferroptosis
- glutathione peroxidase 4
- ischemia-reperfusion injury
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Affiliation(s)
- Hiroko Deguchi Miyamoto
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
- Division of Cardiovascular Medicine, Research Institute of Angiocardiology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masataka Ikeda
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
- Division of Cardiovascular Medicine, Research Institute of Angiocardiology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tomomi Ide
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
- Division of Cardiovascular Medicine, Research Institute of Angiocardiology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tomonori Tadokoro
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
- Division of Cardiovascular Medicine, Research Institute of Angiocardiology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shun Furusawa
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
- Division of Cardiovascular Medicine, Research Institute of Angiocardiology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Ko Abe
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
- Division of Cardiovascular Medicine, Research Institute of Angiocardiology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kosei Ishimaru
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
- Division of Cardiovascular Medicine, Research Institute of Angiocardiology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Nobuyuki Enzan
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
- Division of Cardiovascular Medicine, Research Institute of Angiocardiology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masashi Sada
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
- Division of Cardiovascular Medicine, Research Institute of Angiocardiology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Taishi Yamamoto
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
- Division of Cardiovascular Medicine, Research Institute of Angiocardiology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shouji Matsushima
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
- Division of Cardiovascular Medicine, Research Institute of Angiocardiology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tomoko Koumura
- Department of Hygienic Chemistry and Medical Research Laboratories, School of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan
| | - Ken-ichi Yamada
- Physical Chemistry for Life Science Laboratory, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Hirotaka Imai
- Department of Hygienic Chemistry and Medical Research Laboratories, School of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan
| | - Hiroyuki Tsutsui
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
- Division of Cardiovascular Medicine, Research Institute of Angiocardiology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
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Zhou X, Zou L, Liao H, Luo J, Yang T, Wu J, Chen W, Wu K, Cen S, Lv D, Shu F, Yang Y, Li C, Li B, Mao X. Abrogation of HnRNP L enhances anti-PD-1 therapy efficacy via diminishing PD-L1 and promoting CD8 + T cell-mediated ferroptosis in castration-resistant prostate cancer. Acta Pharm Sin B 2022; 12:692-707. [PMID: 35256940 PMCID: PMC8897216 DOI: 10.1016/j.apsb.2021.07.016] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/20/2021] [Accepted: 07/09/2021] [Indexed: 01/18/2023] Open
Abstract
Owing to incurable castration-resistant prostate cancer (CRPC) ultimately developing after treating with androgen deprivation therapy (ADT), it is vital to devise new therapeutic strategies to treat CRPC. Treatments that target programmed cell death protein 1 (PD-1) and programmed death ligand-1 (PD-L1) have been approved for human cancers with clinical benefit. However, many patients, especially prostate cancer, fail to respond to anti-PD-1/PD-L1 treatment, so it is an urgent need to seek a support strategy for improving the traditional PD-1/PD-L1 targeting immunotherapy. In the present study, analyzing the data from our prostate cancer tissue microarray, we found that PD-L1 expression was positively correlated with the expression of heterogeneous nuclear ribonucleoprotein L (HnRNP L). Hence, we further investigated the potential role of HnRNP L on the PD-L1 expression, the sensitivity of cancer cells to T-cell killing and the synergistic effect with anti-PD-1 therapy in CRPC. Indeed, HnRNP L knockdown effectively decreased PD-L1 expression and recovered the sensitivity of cancer cells to T-cell killing in vitro and in vivo, on the contrary, HnRNP L overexpression led to the opposite effect in CRPC cells. In addition, consistent with the previous study, we revealed that ferroptosis played a critical role in T-cell-induced cancer cell death, and HnRNP L promoted the cancer immune escape partly through targeting YY1/PD-L1 axis and inhibiting ferroptosis in CRPC cells. Furthermore, HnRNP L knockdown enhanced antitumor immunity by recruiting infiltrating CD8+ T cells and synergized with anti-PD-1 therapy in CRPC tumors. This study provided biological evidence that HnRNP L knockdown might be a novel therapeutic agent in PD-L1/PD-1 blockade strategy that enhanced anti-tumor immune response in CRPC.
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Key Words
- ADT, androgen deprivation therapy
- Anti-PD-1 therapy
- CRPC, castration-resistant prostate cancer
- Castration-resistant prostate cancer
- DMSO, dimethyl sulfoxide
- ELISA, enzyme-linked immunosorbent assay
- FBS, fetal bovine serum
- Fer-1, ferrostatin-1
- Ferroptosis
- GSH, glutathione
- HnRNP L
- HnRNP L, heterogeneous nuclear ribonucleoprotein L
- IL, interleukin
- INF-γ, interferon gamma
- Immune checkpoint blockade
- Immune escape
- PD-1, programmed cell death protein 1
- PD-L1
- PD-L1, programmed death ligand1
- ROS, reactive oxygen species
- STAT, signal transducer and activator of transcription
- YY1
- qRT-PCR, quantitative reverse transcription polymerase chain reaction
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Affiliation(s)
- Xumin Zhou
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Libin Zou
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Hangyu Liao
- Second Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Junqi Luo
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Taowei Yang
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Jun Wu
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Wenbin Chen
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Kaihui Wu
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Shengren Cen
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Daojun Lv
- Department of Urology, Minimally Invasive Surgery Center, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510120, China
| | - Fangpeng Shu
- Department of Urology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou 510623, China
| | - Yu Yang
- Department of Urology, Peking University Shenzhen Hospital, Shenzhen 518036, China
| | - Chun Li
- Nursing Department, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
- Corresponding authors. Tel.: +86 20 62782725; fax: +86 20 62782725.
| | - Bingkun Li
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
- Corresponding authors. Tel.: +86 20 62782725; fax: +86 20 62782725.
| | - Xiangming Mao
- Department of Urology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
- Corresponding authors. Tel.: +86 20 62782725; fax: +86 20 62782725.
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