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Gao JF, Dong YY, Jin X, Dai LJ, Wang JR, Zhang H. Identification and Verification of Ferroptosis-Related Genes in Keratoconus Using Bioinformatics Analysis. J Inflamm Res 2024; 17:2383-2397. [PMID: 38660574 PMCID: PMC11041983 DOI: 10.2147/jir.s455337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Accepted: 04/10/2024] [Indexed: 04/26/2024] Open
Abstract
Objective Keratoconus is a commonly progressive and blinding corneal disorder. Iron metabolism and oxidative stress play crucial roles in both keratoconus and ferroptosis. However, the association between keratoconus and ferroptosis is currently unclear. This study aimed to analyze and verify the role of ferroptosis-related genes (FRGs) in the pathogenesis of keratoconus through bioinformatics. Methods We first obtained keratoconus-related datasets and FRGs. Then, the differentially expressed FRGs (DE-FRGs) associated with keratoconus were screened through analysis, followed by analysis of their biological functions. Subsequently, the LASSO and SVM-RFE algorithms were used to screen for diagnostic biomarkers. GSEA was performed to explore the potential functions of the marker genes. Finally, the associations between these biomarkers and immune cells were analyzed. qRT‒PCR was used to detect the expression of these biomarkers in corneal tissues. Results A total of 39 DE-FRGs were screened, and functional enrichment analysis revealed that the DE-FRGs were closely related to apoptosis, oxidative stress, and the immune response. Then, using multiple algorithms, 6 diagnostic biomarkers were selected, and the ROC curve was used to verify their risk prediction ability. In addition, based on CIBERSORT analysis, alterations in the immune microenvironment of keratoconus patients might be associated with H19, GCH1, CHAC1, and CDKN1A. Finally, qRT‒PCR confirmed that the expression of H19 and CHAC1 was elevated in the keratoconus group. Conclusion This study identified 6 DE-FRGs, 4 of which were associated with immune infiltrating cells, and established a diagnostic model with predictive value for keratoconus.
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Affiliation(s)
- Jing-Fan Gao
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People’s Republic of China
| | - Yue-Yan Dong
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People’s Republic of China
| | - Xin Jin
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People’s Republic of China
| | - Li-Jun Dai
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People’s Republic of China
| | - Jing-Rao Wang
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People’s Republic of China
| | - Hong Zhang
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People’s Republic of China
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2
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Fan C, Wang C, Wang Y, Jiang J. Transcriptome exploration of ferroptosis-related genes in TGFβ- induced lens epithelial to mesenchymal transition during posterior capsular opacification development. BMC Genomics 2024; 25:352. [PMID: 38594623 PMCID: PMC11003017 DOI: 10.1186/s12864-024-10244-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 03/21/2024] [Indexed: 04/11/2024] Open
Abstract
BACKGROUND Posterior capsular opacification (PCO) is the main reason affecting the long-term postoperative result of cataract patient, and it is well accepted that fibrotic PCO is driven by transforming growth factor beta (TGFβ) signaling. Ferroptosis, closely related to various ocular diseases, but has not been explored in PCO. METHODS RNA sequencing (RNA-seq) was performed on both TGF-β2 treated and untreated primary lens epithelial cells (pLECs). Differentially expressed genes (DEGs) associated with ferroptosis were analyzed using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) to investigate their biological function. Additionally, protein-to-protein interactions among selected ferroptosis-related genes by PPI network and the top 10 genes with the highest score (MCC algorithm) were selected as the hub genes. The top 20 genes with significant fold change values were validated using quantitative real-time polymerase chain reaction (qRT-PCR). RESULTS Our analysis revealed 1253 DEGs between TGF-β2 treated and untreated pLECs, uncovering 38 ferroptosis-related genes between two groups. Among these 38 ferroptosis-related genes,the most prominent GO enrichment analysis process involved in the response to oxidative stress (BPs), apical part of cell (CCs),antioxidant activity (MFs). KEGG were mainly concentrated in fluid shear stress and atherosclerosis, IL-17 and TNF signaling pathways, and validation of top 20 genes with significant fold change value were consistent with RNA-seq. CONCLUSIONS Our RNA-Seq data identified 38 ferroptosis-related genes in TGF-β2 treated and untreated pLECs, which is the first observation of ferroptosis related genes in primary human lens epithelial cells under TGF-β2 stimulation.
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Affiliation(s)
- Cong Fan
- Eye Center of Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Ophthalmology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Chao Wang
- Eye Center of Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Ophthalmology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yan Wang
- Department of Biological Sciences, University of Delaware, Newark, USA
| | - Jian Jiang
- Eye Center of Xiangya Hospital, Central South University, Changsha, China.
- Hunan Key Laboratory of Ophthalmology, Xiangya Hospital, Central South University, Changsha, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.
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3
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Yuan M, He Q, Xiang W, Deng Y, Lin S, Zhang R. Natural compounds efficacy in Ophthalmic Diseases: A new twist impacting ferroptosis. Biomed Pharmacother 2024; 172:116230. [PMID: 38350366 DOI: 10.1016/j.biopha.2024.116230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 01/18/2024] [Accepted: 01/29/2024] [Indexed: 02/15/2024] Open
Abstract
Ferroptosis, a distinct form of cell death, is characterized by the iron-mediated oxidation of lipids and is finely controlled by multiple cellular metabolic pathways. These pathways encompass redox balance, iron regulation, mitochondrial function, as well as amino acid, lipid, and sugar metabolism. Additionally, various disease-related signaling pathways also play a role in the regulation of ferroptosis. In recent years, with the introduction of the concept of ferroptosis and the deepening of research on its mechanism, ferroptosis is closely related to various biological conditions of eye diseases, including eye organ development, aging, immunity, and cancer. This article reviews the development of the concept of ferroptosis, the mechanism of ferroptosis, and its latest research progress in ophthalmic diseases and reviews the research on ferroptosis in ocular diseases within the framework of metabolism, active oxygen biology, and iron biology. Key regulators and mechanisms of ferroptosis in ocular diseases introduce important concepts and major open questions in the field of ferroptosis and related natural compounds. It is hoped that in future research, further breakthroughs will be made in the regulation mechanism of ferroptosis and the use of ferroptosis to promote the treatment of eye diseases. At the same time, natural compounds may be the direction of new drug development for the potential treatment of ferroptosis in the future. Open up a new way for clinical ophthalmologists to research and prevent diseases.
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Affiliation(s)
- Mengxia Yuan
- Joint Shantou International Eye Center of Shantou University and The Chinese University of Hong Kong, Shantou, China.
| | - Qi He
- People's Hospital of Ningxiang City, Ningxiang, China
| | - Wang Xiang
- The First People's Hospital of Changde City, Changde, China
| | - Ying Deng
- People's Hospital of Ningxiang City, Ningxiang, China
| | - Shibin Lin
- Joint Shantou International Eye Center of Shantou University and The Chinese University of Hong Kong, Shantou, China
| | - Riping Zhang
- Joint Shantou International Eye Center of Shantou University and The Chinese University of Hong Kong, Shantou, China.
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4
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Han G, Lee DG. Urechistachykinin I induced ferroptosis by accumulating reactive oxygen species in Vibrio vulnificus. Appl Microbiol Biotechnol 2023; 107:7571-7580. [PMID: 37796305 DOI: 10.1007/s00253-023-12802-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 09/08/2023] [Accepted: 09/18/2023] [Indexed: 10/06/2023]
Abstract
Antimicrobial peptides (AMPs), such as urechistachykinin I (LRQSQFVGSR-NH2), derived from urechis unicinctus, have demonstrated antimicrobial activities. It exhibits low cytotoxicity and selectivity between microbial and mammalian cells suggesting its potent antimicrobial ability. However, the underlying antimicrobial mechanisms remain unknown. Herein, we elucidated the antibacterial action against Vibrio vulnificus, focusing on the reactive oxygen species (ROS). ROS is crucial for antibiotic-mediated killing and oxidative stress. After treatment with urechistachykinin I, superoxide anions and hydroxyl radicals increase, and the overproduction of ROS leads to oxidative damage and destruction of the redox system. Oxidation of the defense system like glutathione or glutathione peroxidase 4 illustrates the dysfunction of cellular metabolism and induces lipid peroxidation attributed to depolarization and integrity brokerage. Cell death demonstrated these properties, and additional experiments, including iron accumulation, liperfluo, and DNA fragmentation, were promoted. The results demonstrated that urechistachykinin I-induced ferroptosis-like death in Vibrio vulnificus is dependent on ROS production. KEY POINTS: • Urechistachykinin I induce reactive oxygen species production • Urechistachykinin I cause oxidative damaged on the V. vulnificus • Urechistachykinin I ferroptosis-like death in V. vulnificus.
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Affiliation(s)
- Giyeol Han
- School of Life Sciences, BK 21 FOUR KNU Creative BioResearch Group, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Dong Gun Lee
- School of Life Sciences, BK 21 FOUR KNU Creative BioResearch Group, Kyungpook National University, Daegu, 41566, Republic of Korea.
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Ailincai D, Cibotaru S, Anisiei A, Coman CG, Pasca AS, Rosca I, Sandu AI, Mititelu-Tartau L, Marin L. Mesoporous chitosan nanofibers loaded with norfloxacin and coated with phenylboronic acid perform as bioabsorbable active dressings to accelerate the healing of burn wounds. Carbohydr Polym 2023; 318:121135. [PMID: 37479445 DOI: 10.1016/j.carbpol.2023.121135] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/09/2023] [Accepted: 06/19/2023] [Indexed: 07/23/2023]
Abstract
The paper reports new chitosan-based nanofibers, designed to address the healing of burn wounds. To this aim, mesoporous chitosan fiber mats were prepared by electrospinning using poly(ethylene oxide) as sacrificial additive, followed by loading with norfloxacin and coating with an antifungal agent via dynamic imine bonds. Dynamic vapor sorption experiment proved intra-fiber mesopores around 2.7 nm, and UV-vis, FTIR, and NMR spectroscopy confirmed the norfloxacin embedding and the imination reaction. SEM, AFM and POM techniques displayed semicrystalline nanofibers with average diameter around 170 nm entangled into a non-woven mat. Their mesoporous nature favored a rapid adsorption of fluids up to 17 g/g, and a biodegradation rate fitting the wound healing rate, i.e. up to 30 % mass loss in media of pH characteristic to wound exudate and total degradation in that characteristic to normal dermis. The composite fibers released the NFX and 2FPBA in a controlled manner, and showed antimicrobial activity against gram positive, gram negative and fungal strains. They had no cytotoxic effect on normal human dermal fibroblasts, and showed biocompatibility on experimental rats. The investigation of wound healing ability on second/third-degree burn model in rats revealed wound closure and total restoration of the fully functional dermis and epidermis.
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Affiliation(s)
- Daniela Ailincai
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, Iasi, Romania
| | - Sandu Cibotaru
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, Iasi, Romania
| | - Alexandru Anisiei
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, Iasi, Romania
| | - Corneliu G Coman
- "Grigore T. Popa" University of Medicine and Pharmacy, Iasi, Romania
| | - Aurelian Sorin Pasca
- "Ion Ionescu de la Brad" University, Laboratory of Antimicrobial Chemotherapy, Iasi, Romania
| | - Irina Rosca
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, Iasi, Romania
| | - Andreea-Isabela Sandu
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, Iasi, Romania
| | | | - Luminita Marin
- "Petru Poni" Institute of Macromolecular Chemistry of Romanian Academy, Iasi, Romania.
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Guo R, Duan J, Pan S, Cheng F, Qiao Y, Feng Q, Liu D, Liu Z. The Road from AKI to CKD: Molecular Mechanisms and Therapeutic Targets of Ferroptosis. Cell Death Dis 2023; 14:426. [PMID: 37443140 PMCID: PMC10344918 DOI: 10.1038/s41419-023-05969-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 07/05/2023] [Accepted: 07/06/2023] [Indexed: 07/15/2023]
Abstract
Acute kidney injury (AKI) is a prevalent pathological condition that is characterized by a precipitous decline in renal function. In recent years, a growing body of studies have demonstrated that renal maladaptation following AKI results in chronic kidney disease (CKD). Therefore, targeting the transition of AKI to CKD displays excellent therapeutic potential. However, the mechanism of AKI to CKD is mediated by multifactor, and there is still a lack of effective treatments. Ferroptosis, a novel nonapoptotic form of cell death, is believed to have a role in the AKI to CKD progression. In this study, we retrospectively examined the history and characteristics of ferroptosis, summarized ferroptosis's research progress in AKI and CKD, and discussed how ferroptosis participates in regulating the pathological mechanism in the progression of AKI to CKD. Furthermore, we highlighted the limitations of present research and projected the future evolution of ferroptosis. We hope this work will provide clues for further studies of ferroptosis in AKI to CKD and contribute to the study of effective therapeutic targets to prevent the progression of kidney diseases.
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Affiliation(s)
- Runzhi Guo
- Research Institute of Nephrology, Zhengzhou University, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China
- Henan Province Research Center for Kidney Disease, Zhengzhou, 450052, P. R. China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, 450052, P. R. China
| | - Jiayu Duan
- Research Institute of Nephrology, Zhengzhou University, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China
- Henan Province Research Center for Kidney Disease, Zhengzhou, 450052, P. R. China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, 450052, P. R. China
| | - Shaokang Pan
- Research Institute of Nephrology, Zhengzhou University, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China
- Henan Province Research Center for Kidney Disease, Zhengzhou, 450052, P. R. China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, 450052, P. R. China
| | - Fei Cheng
- Research Institute of Nephrology, Zhengzhou University, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China
- Henan Province Research Center for Kidney Disease, Zhengzhou, 450052, P. R. China
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, 450052, P. R. China
| | - Yingjin Qiao
- Blood Purification Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China
| | - Qi Feng
- Research Institute of Nephrology, Zhengzhou University, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China.
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China.
- Henan Province Research Center for Kidney Disease, Zhengzhou, 450052, P. R. China.
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, 450052, P. R. China.
| | - Dongwei Liu
- Research Institute of Nephrology, Zhengzhou University, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China.
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China.
- Henan Province Research Center for Kidney Disease, Zhengzhou, 450052, P. R. China.
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, 450052, P. R. China.
| | - Zhangsuo Liu
- Research Institute of Nephrology, Zhengzhou University, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China.
- Traditional Chinese Medicine Integrated Department of Nephrology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, P. R. China.
- Henan Province Research Center for Kidney Disease, Zhengzhou, 450052, P. R. China.
- Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, 450052, P. R. China.
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Guo XX, Pu Q, Hu JJ, Chang XJ, Li AL, Li XY. The role of regulated necrosis in inflammation and ocular surface diseases. Exp Eye Res 2023:109537. [PMID: 37302745 DOI: 10.1016/j.exer.2023.109537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 05/28/2023] [Accepted: 06/08/2023] [Indexed: 06/13/2023]
Abstract
In recent decades, numerous types of regulated cell death have been identified, including pyroptosis, ferroptosis and necroptosis. Regulated necrosis is characterized by a series of amplified inflammatory responses that result in cell death. Therefore, it has been suggested to play an essential role in the pathogenesis of ocular surface diseases. The cell morphological features and molecular mechanisms of regulated necrosis are discussed in this review. Furthermore, it summarizes the role of ocular surface diseases, such as dry eye, keratitis, and cornea alkali burn, as potential disease prevention and treatment targets.
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Affiliation(s)
- Xiao-Xiao Guo
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Qi Pu
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Jing-Jie Hu
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Xue-Jiao Chang
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Ao-Ling Li
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Xin-Yu Li
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.
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Ferroptosis: mechanisms and advances in ocular diseases. Mol Cell Biochem 2023:10.1007/s11010-022-04644-5. [PMID: 36617346 DOI: 10.1007/s11010-022-04644-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 12/14/2022] [Indexed: 01/09/2023]
Abstract
As an essential trace element in the body, iron is critical for the maintenance of organismal metabolism. Excessive iron facilitates reactive oxygen species generation and inflicts damage on cells and tissues. Ferroptosis, a newly identified iron-dependent type of programmed cell death, has been implicated in a broad set of metabolic disorders. Ferroptosis is mainly characterized by excess iron accumulation, elevated lipid peroxides and reactive oxygen species, and reduced levels of glutathione and glutathione peroxidase 4. The vast emerging literature on ferroptosis has shown that numerous diseases, such as cancers, neurodegeneration, and autoimmune diseases, are associated with ferroptosis. Meanwhile, recent studies have confirmed the relationship between ferroptosis and eye diseases including keratopathy, cataract, glaucoma, retinal ischemia-reperfusion injury, age-related macular degeneration, retinitis pigmentosa, diabetic retinopathy, and retinoblastoma, indicating the critical role of ferroptosis in ocular diseases. In this article, we introduce the primary signaling pathways of ferroptosis and review current advances in research on ocular diseases involving iron overload and ferroptosis. Furthermore, several unanswered questions in the area are raised. Addressing these unanswered questions promises to provide new insights into preventing, controlling, and treating not only ocular diseases but also a variety of other diseases in the near future.
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Scarpellini C, Ramos Llorca A, Lanthier C, Klejborowska G, Augustyns K. The Potential Role of Regulated Cell Death in Dry Eye Diseases and Ocular Surface Dysfunction. Int J Mol Sci 2023; 24:731. [PMID: 36614174 PMCID: PMC9820812 DOI: 10.3390/ijms24010731] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/23/2022] [Accepted: 12/29/2022] [Indexed: 01/03/2023] Open
Abstract
The research on new treatments for dry eye diseases (DED) has exponentially grown over the past decades. The increased prevalence of dry eye conditions, particularly in the younger population, has received much attention. Therefore, it is of utmost importance to identify novel therapeutical targets. Regulated cell death (RCD) is an essential process to control the biological homeostasis of tissues and organisms. The identification of different mechanisms of RCD stimulated the research on their involvement in different human pathologies. Whereas apoptosis has been widely studied in DED and included in the DED vicious cycle, the role of RCD still needs to be completely elucidated. In this review, we will explore the potential roles of different types of RCD in DED and ocular surface dysfunction. Starting from the evidence of oxidative stress and inflammation in dry eye pathology, we will analyse the potential therapeutic applications of the following principal RCD mechanisms: ferroptosis, necroptosis, and pyroptosis.
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Affiliation(s)
| | | | | | | | - Koen Augustyns
- Laboratory of Medicinal Chemistry, University of Antwerp, Universiteitsplein 1, B-2160 Antwerp, Belgium
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Balla A, Tran B, Valtari A, Steven P, Scarpellini C, Augustyns K, Urtti A, Vellonen KS, Ruponen M. A Novel Ferroptosis Inhibitor UAMC-3203, a Potential Treatment for Corneal Epithelial Wound. Pharmaceutics 2022; 15:pharmaceutics15010118. [PMID: 36678747 PMCID: PMC9863691 DOI: 10.3390/pharmaceutics15010118] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/13/2022] [Accepted: 12/21/2022] [Indexed: 01/01/2023] Open
Abstract
Corneal wound, associated with pain, impaired vision, and even blindness, is the most common ocular injury. In this study, we investigated the effect of a novel ferroptosis inhibitor, UAMC-3203 (10 nM-50 µM), in corneal epithelial wound healing in vitro in human corneal epithelial (HCE) cells and ex vivo using alkali-induced corneal wounded mice eye model. We evaluated in vivo acute tolerability of the compound by visual inspection, optical coherence tomography (OCT), and stereomicroscope imaging in rats after its application (100 µM drug solution in phosphate buffer pH 7.4) twice a day for 5 days. In addition, we studied the partitioning of UAMC-3203 in corneal epithelium and corneal stroma using excised porcine cornea. Our study demonstrated that UAMC-3203 had a positive corneal epithelial wound healing effect at the optimal concentration of 10 nM (IC50 value for ferroptosis) in vitro and at 10 µM in the ex vivo study. UAMC-3203 solution (100 µM) was well tolerated after topical administration with no signs of toxicity and inflammation in rats. Ex-vivo distribution study revealed significantly higher concentration (~12-38-fold) and partition coefficient (Kp) (~52 times) in corneal epithelium than corneal stroma. The UAMC-3203 solution (100 µM) was stable for up to 30 days at 4 °C, 37 °C, and room temperature. Overall, UAMC-3203 provides a new prospect for safe and effective therapy for corneal wounds.
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Affiliation(s)
- Anusha Balla
- School of Pharmacy, University of Eastern Finland, Yliopistonranta 1, 70211 Kuopio, Finland
- Correspondence:
| | - Bao Tran
- Division of Dry-Eye and Ocular GVHD, Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50923 Cologne, Germany
| | - Annika Valtari
- School of Pharmacy, University of Eastern Finland, Yliopistonranta 1, 70211 Kuopio, Finland
| | - Philipp Steven
- Division of Dry-Eye and Ocular GVHD, Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50923 Cologne, Germany
| | - Camilla Scarpellini
- Laboratory of Medicinal Chemistry, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, Campus Drie Eiken, University of Antwerp, Universiteitsplein 1, B-2160 Antwerp, Belgium
| | - Koen Augustyns
- Laboratory of Medicinal Chemistry, Department of Pharmaceutical Sciences, Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, Campus Drie Eiken, University of Antwerp, Universiteitsplein 1, B-2160 Antwerp, Belgium
| | - Arto Urtti
- School of Pharmacy, University of Eastern Finland, Yliopistonranta 1, 70211 Kuopio, Finland
- Faculty of Pharmacy, University of Helsinki, 00014 Helsinki, Finland
| | - Kati-Sisko Vellonen
- School of Pharmacy, University of Eastern Finland, Yliopistonranta 1, 70211 Kuopio, Finland
| | - Marika Ruponen
- School of Pharmacy, University of Eastern Finland, Yliopistonranta 1, 70211 Kuopio, Finland
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Chen L, Wu D, Zhou L, Ye Y. Platelet-rich plasma promotes diabetic ulcer repair through inhibition of ferroptosis. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:1121. [PMID: 36388823 PMCID: PMC9652541 DOI: 10.21037/atm-22-4654] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 10/14/2022] [Indexed: 09/05/2023]
Abstract
BACKGROUND Ferroptosis, a newly discovered form of cell death, can accumulation activates lipid peroxidation and excessive oxidative stress in a high glucose environment. These phenomena suggest there may be ferroptosis pathways in the pathological processes associated with diabetic ulcer (DU). Platelet-rich plasma (PRP) promotes the healing of DU wounds, which may be achieved by the regulation of ferroptosis pathways. Hence, the present study aimed to investigate this association and uncover the potential underlying mechanisms. METHODS Cell injury models induced by high glucose were constructed using EA.HY926 (vascular endothelial cells), HSF (fibroblasts), and rat DU models. The MDA, total ROS, total SOD content, the gene and protein expression of GPX4, SLC7A11, and ACSL4, and the expression levels of inflammatory cytokines IL-1β, IL-10, and NLRP3 was subsequently used to evaluate the important role of ferroptosis in the pathological process of DU, and elucidating the molecular mechanism of PRP in ulcer repair. RESULTS The results show that compared with the DU control group, the healing rate of the dorsal ulcer wound in the PRP intervention group was accelerated, and the expression levels of inflammatory cytokines IL-1β, IL-10, and NLRP3 in the granulation tissue of ulcer wounds was lower. Further, the expression levels of CD31 and VEGF were higher, the gene and protein expression levels of GPX4 and SLC7A11 were increased, the expression levels of ACSL4 were less, the SOD content was higher, and the MDA content was lower. CONCLUSIONS In this study, ferroptosis was preliminarily verified in DUs at the cellular and animal levels, while PRP could inhibit ferroptosis and significantly improve the migration and regeneration ability of fibroblasts and vascular endothelial cells induced by high glucose.
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Affiliation(s)
- Li Chen
- Department of Immunology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
- Department of Blood Transfusion, The First Affiliated Hospital Bengbu Medical College, Bengbu, China
| | - Daoai Wu
- Department of Endocrinology, The First Affiliated Hospital Bengbu Medical College, Bengbu, China
| | - Lili Zhou
- Department of Immunology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
- Department of Hematology, The First Affiliated Hospital Bengbu Medical College, Bengbu, China
| | - Yan Ye
- Department of Immunology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
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12
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Huang S, Liu K, Su Y, Wang F, Feng T. Research progress of ferroptosis in glaucoma and optic nerve damage. Mol Cell Biochem 2022; 478:721-727. [PMID: 36053395 DOI: 10.1007/s11010-022-04545-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 08/12/2022] [Indexed: 10/14/2022]
Abstract
Unlike other death forms, such as autophagy, necrosis, and apoptosis, ferroptosis is a novel type of programmed cell death with iron-dependent properties. Esteroxygenase affects the content of unsaturated fatty acids and promotes lipid peroxidation. In addition, GSH can cause the reduction of GPX4, which can cause ferroptosis. P53 and its signaling pathways also regulate ferroptosis. Recent studies have confirmed that ferroptosis also promotes the death of RGC. The progressive loss of RGC is one of the pathological features of glaucoma, indicating that ferroptosis may be related to the onset of glaucoma. Down-regulation of GPX4 leads to the loss of nerve cells, which suggests that ferroptosis may also be related to diseases related to optic nerve damage. At present, ferroptosis has been extensively researched and advanced in systemic diseases, such as cardiovascular diseases, gastrointestinal tumors such as stomach, liver, and pancreas, and brain diseases. This review focuses on the research progress of ferroptosis in ophthalmic diseases, especially glaucoma and optic nerve damage.
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Affiliation(s)
- Sijia Huang
- Department of Ophthalmology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Kexin Liu
- Department of Ophthalmology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Ying Su
- Eye Hospital, The First Affiliated Hospital Harbin Medical University, Harbin, 150001, China
| | - Feng Wang
- Department of Ophthalmology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China.
| | - Tao Feng
- Department of Neurology, The Hospital of Heilongjiang Province, Harbin, 150036, China
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13
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Roles and Mechanisms of Regulated Necrosis in Corneal Diseases: Progress and Perspectives. J Ophthalmol 2022; 2022:2695212. [PMID: 35655803 PMCID: PMC9152437 DOI: 10.1155/2022/2695212] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/24/2022] [Accepted: 05/09/2022] [Indexed: 11/21/2022] Open
Abstract
Regulated necrosis is defined as cell death characterized by loss of the cell membrane integrity and release of the cytoplasmic content. It contributes to the development and progression of some diseases, including ischemic stroke injury, liver diseases, hypertension, and cancer. Various forms of regulated necrosis, particularly pyroptosis, necroptosis, and ferroptosis, have been implicated in the pathogenesis of corneal disease. Regulated necrosis of corneal cells enhances inflammatory reactions in the adjacent corneal tissues, leading to recurrence and aggravation of corneal disease. In this review, we summarize the molecular mechanisms of pyroptosis, necroptosis, and ferroptosis in corneal diseases and discuss the roles of regulated necrosis in inflammation regulation, tissue repair, and corneal disease outcomes.
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14
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Zhang J, Sheng S, Wang W, Dai J, Zhong Y, Ren J, Jiang K, Li S, Bian X, Liu L. Molecular Mechanisms of Iron Mediated Programmed Cell Death and Its Roles in Eye Diseases. Front Nutr 2022; 9:844757. [PMID: 35495915 PMCID: PMC9038536 DOI: 10.3389/fnut.2022.844757] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 02/28/2022] [Indexed: 01/09/2023] Open
Abstract
Ferroptosis, a newly identified, iron-dependent type of programmed cell death, is active in several diseases, such as heart disease, brain damage, and cancer. Its main characteristics commonly involve excess iron accumulation, elevated lipid peroxides and reactive oxygen species, and reduced levels of glutathione and glutathione peroxidase 4 levels. The effects of ferroptosis in eye diseases cannot be underestimated, with ferroptosis becoming a research target in ocular disorders and emerging evidence from a series of in vivo and in vitro researches into ferroptosis revealing its role in eye conditions. However, no report provides comprehensive information on the pathophysiology of ferroptosis in eye diseases and its possible treatments. In the current review, we present an up-to-date overview of ferroptosis biology and its involvement in the pathological processes of ocular diseases. Furthermore, we pose several outstanding questions and areas for future research in this topic. We deem ferroptosis-associated cell death a pivotal new field of scientific study in ocular diseases and consider it a new therapeutic target in the treatment of some eye disorders.
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Affiliation(s)
- Jie Zhang
- Department of Public Health, Weifang Medical University, Weifang, China.,Department of Ophthalmology, Weifang Eye Hospital, Weifang, China
| | - Shuai Sheng
- Department of Ophthalmology, Weifang Eye Hospital, Weifang, China
| | - Wenting Wang
- Department of Ophthalmology, Weifang Eye Hospital, Weifang, China
| | - Jiazhen Dai
- Department of Ophthalmology, Weifang Eye Hospital, Weifang, China
| | - Yifan Zhong
- Department of Ophthalmology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Jiantao Ren
- Department of Ophthalmology, Weifang Eye Hospital, Weifang, China
| | - Keke Jiang
- Department of Ophthalmology, Weifang Eye Hospital, Weifang, China
| | - Shuchan Li
- Department of Ophthalmology, Weifang Eye Hospital, Weifang, China
| | - Xiaoyan Bian
- Department of Ocular Surface, Baotou Chaoju Eye Hospital, Boatou, China
| | - Lei Liu
- Department of Ophthalmology, Guangdong Provincial People's Hospital, Guangdong Eye Institute, Guangdong Academy of Medical Sciences, Guangzhou, China
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15
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Liu T, Bao R, Wang Q, Hao W, Liu Y, Chang S, Wang M, Li Y, Liu Z, Sun Y. SiO 2-induced ferroptosis in macrophages promotes the development of pulmonary fibrosis in silicosis models. Toxicol Res (Camb) 2022; 11:42-51. [PMID: 35237410 PMCID: PMC8882780 DOI: 10.1093/toxres/tfab105] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/12/2021] [Accepted: 10/18/2021] [Indexed: 09/06/2023] Open
Abstract
Silicosis is a devastating disease that, without effective treatment, endangers the health of miners. Therefore, studies exploring the pathogenesis of SiO2-induced pulmonary fibrosis are necessary to develop treatments for silicosis. Although macrophages are known to play a pivotal role in SiO2-induced pulmonary fibrosis, the underlying mechanism remains unknown. Here, we explored whether ferroptosis was involved in SiO2-induced pulmonary fibrosis. To this end, C57BL/6 mice and mouse macrophage (RAW264.7) cells and mouse lung fibroblast (MLF) cells were subjected to iron content, cell viability, enzyme-linked immunosorbent assay, immunofluorescence staining, histological, western blotting, quantitative reverse transcription-PCR, reactive oxygen species, and lipid peroxidation analysis. In vivo, SiO2 was found to damage the lung alveolar structure, cause infiltration of inflammatory cells, and facilitate fibrosis. Additionally, it increased the iron concentration and lipid peroxidation as well as altered the expression of ferroptosis-related genes and the mitochondrial morphology in macrophages. In vitro, ferroptosis occurred in SiO2-treated RAW264.7 cells, which showed iron overload, lipid peroxidation, and gene alterations. Furthermore, ferrostatin-1 (Fer-1) attenuated ferroptosis in SiO2-treated RAW264.7 cells by inhibiting lipid peroxidation and cell death and regulating ferroptosis-related genes expression, in addition to attenuating the secretion of pro-fibrotic cytokines and fibrosis. Collectively, SiO2 induces ferroptosis in macrophages, which leads to the secretion of pro-fibrotic cytokines and fibrosis.
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Affiliation(s)
- Taiyang Liu
- School of Public Health and Management, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
- NHC KEY Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
| | - Rui Bao
- School of Public Health and Management, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
- NHC KEY Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
| | - Qiushi Wang
- School of Public Health and Management, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
- NHC KEY Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
| | - Wei Hao
- School of Public Health and Management, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
- NHC KEY Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
| | - Yaoyang Liu
- School of Public Health and Management, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
- NHC KEY Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
| | - Sirong Chang
- School of Public Health and Management, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
- NHC KEY Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
| | - Meng Wang
- School of Public Health and Management, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
- NHC KEY Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
| | - Yuanyuan Li
- School of Public Health and Management, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
- NHC KEY Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
| | - Zhihong Liu
- School of Public Health and Management, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
- NHC KEY Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
| | - Yue Sun
- School of Public Health and Management, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
- NHC KEY Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, No. 1160, Shengli Street, Xingqing District, Yinchuan 75000, Ningxia, China
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16
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Cigarette smoke extract and heated tobacco products promote ferritin cleavage and iron accumulation in human corneal epithelial cells. Sci Rep 2021; 11:18555. [PMID: 34535730 PMCID: PMC8448754 DOI: 10.1038/s41598-021-97956-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 08/30/2021] [Indexed: 12/15/2022] Open
Abstract
The cornea is directly exposed to cigarette smoke, and smoking is a risk factor for several corneal diseases including dry eye syndrome. Currently, heated tobacco products (HTPs) are widely used as substitutes for cigarette smoking around the world. In the present study, we investigated the molecular mechanism(s) leading to cellular injury induced by cigarette smoke extract (CSE) or HTPs. Exposure to CSE perturbed the formation of tight junctions, leading to an increase in cell volume, a decrease in transepithelial electrical resistance (TER) in the human corneal epithelial cell-transformed (HCE-T) cell line. Moreover, CSE exposure induced both lipid peroxidation and ferrous [Fe(II)] ion accumulation in autolysosomal compartments. Interestingly, a cleaved form of ferritin appeared when HCE-T cells were incubated with CSE. This aberrant ferritin processing was suppressed by treatment with autophagy inhibitors. Furthermore, the CSE-induced cell death was suppressed by either ferrostatin-1 or deferoxamine (DFO). CSE exposure also promoted the expression of cytokines whereas DFO treatment inhibited the CSE-induced expression of these cytokines. Exposure to HTPs also induced both HCE-T cell death and cleaved ferritin accumulation in a concentration- and time-dependent manner. These results indicated that CSE or HTPs activated the ferroptosis signaling pathway, which contributed to corneal epithelial cell injury.
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17
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Corneal Epithelial Stem Cells-Physiology, Pathophysiology and Therapeutic Options. Cells 2021; 10:cells10092302. [PMID: 34571952 PMCID: PMC8465583 DOI: 10.3390/cells10092302] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/27/2021] [Accepted: 08/28/2021] [Indexed: 12/12/2022] Open
Abstract
In the human cornea, regeneration of the epithelium is regulated by the stem cell reservoir of the limbus, which is the marginal region of the cornea representing the anatomical and functional border between the corneal and conjunctival epithelium. In support of this concept, extensive limbal damage, e.g., by chemical or thermal injury, inflammation, or surgery, may induce limbal stem cell deficiency (LSCD) leading to vascularization and opacification of the cornea and eventually vision loss. These acquired forms of limbal stem cell deficiency may occur uni- or bilaterally, which is important for the choice of treatment. Moreover, a variety of inherited diseases, such as congenital aniridia or dyskeratosis congenita, are characterized by LSCD typically occurring bilaterally. Several techniques of autologous and allogenic stem cell transplantation have been established. The limbus can be restored by transplantation of whole limbal grafts, small limbal biopsies or by ex vivo-expanded limbal cells. In this review, the physiology of the corneal epithelium, the pathophysiology of LSCD, and the therapeutic options will be presented.
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18
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Gupta S, Kamil S, Sinha PR, Rodier JT, Chaurasia SS, Mohan RR. Glutathione is a potential therapeutic target for acrolein toxicity in the cornea. Toxicol Lett 2021; 340:33-42. [PMID: 33421550 PMCID: PMC9206442 DOI: 10.1016/j.toxlet.2021.01.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 12/27/2020] [Accepted: 01/04/2021] [Indexed: 11/19/2022]
Abstract
Toxic and volatile chemicals are widely used in household products and previously used as warfare agents, causing a public health threat worldwide. This study aimed to evaluate the extent of injury and mechanisms of acrolein toxicity in the cornea. Primary human corneal stromal fibroblasts cultures (hCSFs) from human donor cornea were cultured and exposed to acrolein toxicity with -/+ N-acetylcysteine (NAC) to study the mode of action in the presence of Buthionine sulphoximine (BSO). PrestoBlue and MTT assays were used to optimize acrolein, NAC, and BSO doses for hCSFs. Cell-based assays and qRT-PCR analyses were performed to understand the acrolein toxicity and mechanisms. Acrolein exposure leads to an increased reactive oxygen species (ROS), compromised glutathione (GSH) levels, and mitochondrial dysfunction. The TUNEL and caspase assays showed that acrolein caused cell death in hCSFs. These deleterious effects can be mitigated using NAC in hCSFs, suggesting that GSH can be a potential target for acrolein toxicity in the cornea.
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Affiliation(s)
- Suneel Gupta
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, United States; One-Health Vision Research Program, Department of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, MO, United States
| | - Sabeeh Kamil
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, United States; One-Health Vision Research Program, Department of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, MO, United States
| | - Prashant R Sinha
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, United States; One-Health Vision Research Program, Department of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, MO, United States
| | - Jason T Rodier
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, United States; Mason Eye Institute, School of Medicine, University of Missouri, Columbia, MO, United States
| | - Shyam S Chaurasia
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, United States; One-Health Vision Research Program, Department of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, MO, United States
| | - Rajiv R Mohan
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, United States; One-Health Vision Research Program, Department of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, MO, United States; Mason Eye Institute, School of Medicine, University of Missouri, Columbia, MO, United States.
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19
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Li Y, Liu Y, Wu P, Tian Y, Liu B, Wang J, Bihl J, Shi H. Inhibition of Ferroptosis Alleviates Early Brain Injury After Subarachnoid Hemorrhage In Vitro and In Vivo via Reduction of Lipid Peroxidation. Cell Mol Neurobiol 2021; 41:263-278. [PMID: 32314126 DOI: 10.1007/s10571-020-00850-1] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 04/11/2020] [Indexed: 02/08/2023]
Abstract
Subarachnoid hemorrhage (SAH) is a serious cerebrovascular disease with high mortality, and the mean age at morbidity is younger than in other types of stroke. Early brain injury (EBI) plays a key role in the poor prognoses of SAH. In EBI, multiple forms of cell death have been identified and well studied; however, the role of ferroptosis has not been elucidated. Hence, in this study, we developed an in vivo (SAH rat model) and in vitro model (SH-SY5Y oxyhemoglobin injury model) to understand the role of ferroptosis in EBI, then explored the protective mechanism of ferrostatin-1 (Fer-1). Firstly, we found that neurological scores, blood-brain barrier permeability, brain edema deteriorated after SAH in the in vivo model, cell viability was decreased after SAH in both cortex and SH-SY5Y cells. Further, iron content in cortex was increased after SAH, while transferrin receptor 1 and ferroportin (Fpn) were increased in oxyhemoglobin-treated in vitro model. Additionally, glutathione content and glutathione peroxidase 4 activity were reduced in SAH rats, and lipid peroxides were increased in the oxyhemoglobin-treated cells. Finally, administration of Fer-1 upregulated Fpn and decreased the iron content, then improved the lipid peroxidation and EBI. However, Fer-1 had no effect on the apoptosis. Our study indicated that the ferroptosis was involved in EBI of SAH, and the inhibitor Fer-1 provided neuroprotection against EBI by alleviating ferroptosis, the potential protective mechanism might be via suppressing lipid peroxidation.
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Affiliation(s)
- Yuchen Li
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, 150000, Heilongjiang, China
- Department of Pharmacology & Toxicology, Boonshoft School of Medicine, Wright State University, Dayton, OH, 45435, USA
| | - Yao Liu
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, 150000, Heilongjiang, China
| | - Pei Wu
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, 150000, Heilongjiang, China
| | - Yang Tian
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, 150000, Heilongjiang, China
| | - Binbing Liu
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, 150000, Heilongjiang, China
| | - Jinju Wang
- Department of Pharmacology & Toxicology, Boonshoft School of Medicine, Wright State University, Dayton, OH, 45435, USA
| | - Ji Bihl
- Department of Pharmacology & Toxicology, Boonshoft School of Medicine, Wright State University, Dayton, OH, 45435, USA.
| | - Huaizhang Shi
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, 150000, Heilongjiang, China.
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20
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Daniel T, Faruq HM, Laura Magdalena J, Manuela G, Christopher Horst L. Role of GSH and Iron-Sulfur Glutaredoxins in Iron Metabolism-Review. Molecules 2020; 25:E3860. [PMID: 32854270 PMCID: PMC7503856 DOI: 10.3390/molecules25173860] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 08/19/2020] [Accepted: 08/22/2020] [Indexed: 12/26/2022] Open
Abstract
Glutathione (GSH) was initially identified and characterized for its redox properties and later for its contributions to detoxification reactions. Over the past decade, however, the essential contributions of glutathione to cellular iron metabolism have come more and more into focus. GSH is indispensable in mitochondrial iron-sulfur (FeS) cluster biosynthesis, primarily by co-ligating FeS clusters as a cofactor of the CGFS-type (class II) glutaredoxins (Grxs). GSH is required for the export of the yet to be defined FeS precursor from the mitochondria to the cytosol. In the cytosol, it is an essential cofactor, again of the multi-domain CGFS-type Grxs, master players in cellular iron and FeS trafficking. In this review, we summarize the recent advances and progress in this field. The most urgent open questions are discussed, such as the role of GSH in the export of FeS precursors from mitochondria, the physiological roles of the CGFS-type Grx interactions with BolA-like proteins and the cluster transfer between Grxs and recipient proteins.
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Affiliation(s)
- Trnka Daniel
- Institute for Medical Biochemistry and Molecular Biology, University Medicine, University of Greifswald, 17475 Greifswald, Germany; (T.D.); (H.M.F.); (J.L.M.); (G.M.)
| | - Hossain Md Faruq
- Institute for Medical Biochemistry and Molecular Biology, University Medicine, University of Greifswald, 17475 Greifswald, Germany; (T.D.); (H.M.F.); (J.L.M.); (G.M.)
| | - Jordt Laura Magdalena
- Institute for Medical Biochemistry and Molecular Biology, University Medicine, University of Greifswald, 17475 Greifswald, Germany; (T.D.); (H.M.F.); (J.L.M.); (G.M.)
| | - Gellert Manuela
- Institute for Medical Biochemistry and Molecular Biology, University Medicine, University of Greifswald, 17475 Greifswald, Germany; (T.D.); (H.M.F.); (J.L.M.); (G.M.)
| | - Lillig Christopher Horst
- Christopher Horst Lillig, Institute for Medical Biochemistry and Molecular Biology, University Medicine Greifswald, Ferdinand-Sauerbruch-Straße, 17475 Greifswald, Germany
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Chiumia D, Hankele AK, Drews B, Zehnder T, Berard J, Giesbertz P, Ulbrich SE, Giller K. Alpine and lowland grazing differentially alter the reproductive tract redox milieu and amino acid composition in cattle. Anim Reprod Sci 2019; 213:106268. [PMID: 31987321 DOI: 10.1016/j.anireprosci.2019.106268] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 11/24/2019] [Accepted: 12/18/2019] [Indexed: 11/18/2022]
Abstract
An alpine environment is unique due to pasture biodiversity, with an abundant content of natural antioxidant polyphenols. The present study investigated the effects of lowland and alpine grazing on the oviduct and uterine tissue redox status and amino acid concentrations in plasma and reproductive fluids. In the first experiment, heifers grazed on lowland (H-LOW: n = 13) and on alpine (H-ALP: n = 15) pastures. In the second experiment, heifers grazed on the same lowland (HS-LOW: n = 6) and on a different alpine (HS-ALP: n = 6) pasture. The abundance of mRNA transcripts for antioxidant enzymes in the oviduct (glutathione S-transferase alpha 2, glutathione synthetase (GSS)) and the endometrium (catalase, glutathione-disulfide reductase, GSS) was less (P < 0.05), and for glutathione peroxidase 4 in the endometrium greater (P = 0.006) in the H-LOW than in the H-ALP group. The abundance of mRNA transcript for catalase was less in the endometrium in the H-LOW than in the H-ALP (P = 0.001) group. Catalase and NAD(P)H quinone dehydrogenase 1 concentrations in the oviduct were greater in the HS-LOW than in the HS-ALP group (P < 0.05). Of 32 amino acids analysed, there were differences in concentrations in the H-LOW and H-ALP group of 13, seven and 15 in plasma, oviduct and uterine fluids, respectively (P < 0.05). Comparing the HS-LOW to the HS-ALP groups, there were 13, one and three amino acids in the plasma, oviduct and uterine fluids, respectively, that were differentially abundant (P < 0.05). The grazing systems had some effect on the redox status and amino acid patterns in reproductive tissues.
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Affiliation(s)
- Daniel Chiumia
- ETH Zurich, Animal Physiology, Institute of Agricultural Sciences, Switzerland.
| | | | - Barbara Drews
- ETH Zurich, Animal Physiology, Institute of Agricultural Sciences, Switzerland.
| | - Tobias Zehnder
- ETH Zurich, Animal Nutrition, Institute of Agricultural Sciences, Switzerland.
| | - Joel Berard
- ETH Zurich, Animal Nutrition, Institute of Agricultural Sciences, Switzerland.
| | - Pieter Giesbertz
- Nutritional Physiology, Technical University of Munich, Freising, Germany.
| | - Susanne E Ulbrich
- ETH Zurich, Animal Physiology, Institute of Agricultural Sciences, Switzerland.
| | - Katrin Giller
- ETH Zurich, Animal Physiology, Institute of Agricultural Sciences, Switzerland; ETH Zurich, Animal Nutrition, Institute of Agricultural Sciences, Switzerland.
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Tsubouchi K, Araya J, Yoshida M, Sakamoto T, Koumura T, Minagawa S, Hara H, Hosaka Y, Ichikawa A, Saito N, Kadota T, Kurita Y, Kobayashi K, Ito S, Fujita Y, Utsumi H, Hashimoto M, Wakui H, Numata T, Kaneko Y, Mori S, Asano H, Matsudaira H, Ohtsuka T, Nakayama K, Nakanishi Y, Imai H, Kuwano K. Involvement of GPx4-Regulated Lipid Peroxidation in Idiopathic Pulmonary Fibrosis Pathogenesis. THE JOURNAL OF IMMUNOLOGY 2019; 203:2076-2087. [DOI: 10.4049/jimmunol.1801232] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 08/08/2019] [Indexed: 12/22/2022]
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Yoshida M, Minagawa S, Araya J, Sakamoto T, Hara H, Tsubouchi K, Hosaka Y, Ichikawa A, Saito N, Kadota T, Sato N, Kurita Y, Kobayashi K, Ito S, Utsumi H, Wakui H, Numata T, Kaneko Y, Mori S, Asano H, Yamashita M, Odaka M, Morikawa T, Nakayama K, Iwamoto T, Imai H, Kuwano K. Involvement of cigarette smoke-induced epithelial cell ferroptosis in COPD pathogenesis. Nat Commun 2019; 10:3145. [PMID: 31316058 PMCID: PMC6637122 DOI: 10.1038/s41467-019-10991-7] [Citation(s) in RCA: 301] [Impact Index Per Article: 60.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 06/14/2019] [Indexed: 01/20/2023] Open
Abstract
Ferroptosis is a necrotic form of regulated cell death (RCD) mediated by phospholipid peroxidation in association with free iron-mediated Fenton reactions. Disrupted iron homeostasis resulting in excessive oxidative stress has been implicated in the pathogenesis of chronic obstructive pulmonary disease (COPD). Here, we demonstrate the involvement of ferroptosis in COPD pathogenesis. Our in vivo and in vitro models show labile iron accumulation and enhanced lipid peroxidation with concomitant non-apoptotic cell death during cigarette smoke (CS) exposure, which are negatively regulated by GPx4 activity. Treatment with deferoxamine and ferrostatin-1, in addition to GPx4 knockdown, illuminate the role of ferroptosis in CS-treated lung epithelial cells. NCOA4-mediated ferritin selective autophagy (ferritinophagy) is initiated during ferritin degradation in response to CS treatment. CS exposure models, using both GPx4-deficient and overexpressing mice, clarify the pivotal role of GPx4-regulated cell death during COPD. These findings support a role for cigarette smoke-induced ferroptosis in the pathogenesis of COPD.
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Affiliation(s)
- Masahiro Yoshida
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Shunsuke Minagawa
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan.
| | - Jun Araya
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Taro Sakamoto
- Laboratory of Hygienic Chemistry and Medicinal Research Laboratories, School of Pharmaceutical Sciences, Kitasato University, 108-8641, Tokyo, Japan
| | - Hiromichi Hara
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Kazuya Tsubouchi
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Yusuke Hosaka
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Akihiro Ichikawa
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Nayuta Saito
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Tsukasa Kadota
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Nahoko Sato
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Yusuke Kurita
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Kenji Kobayashi
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Saburo Ito
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Hirohumi Utsumi
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Hiroshi Wakui
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Takanori Numata
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Yumi Kaneko
- Division of Chest Diseases, Department of Surgery, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Shohei Mori
- Division of Chest Diseases, Department of Surgery, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Hisatoshi Asano
- Division of Chest Diseases, Department of Surgery, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Makoto Yamashita
- Division of Chest Diseases, Department of Surgery, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Makoto Odaka
- Division of Chest Diseases, Department of Surgery, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Toshiaki Morikawa
- Division of Chest Diseases, Department of Surgery, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Katsutoshi Nakayama
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Takeo Iwamoto
- Division of Molecular Cell Biology, Core Research Facilities for Basic Science, Jikei University School of Medicine, 105-8461, Tokyo, Japan
| | - Hirotaka Imai
- Laboratory of Hygienic Chemistry and Medicinal Research Laboratories, School of Pharmaceutical Sciences, Kitasato University, 108-8641, Tokyo, Japan
| | - Kazuyoshi Kuwano
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, 105-8461, Tokyo, Japan
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24
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Nezzar H, Mbekeani JN, Noblanc A, Chiambaretta F, Drevet JR, Kocer A. Investigation of antioxidant systems in human meibomian gland and conjunctival tissues. Exp Eye Res 2017; 165:99-104. [DOI: 10.1016/j.exer.2017.09.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2017] [Revised: 09/06/2017] [Accepted: 09/13/2017] [Indexed: 02/03/2023]
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25
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Lipid Peroxidation-Dependent Cell Death Regulated by GPx4 and Ferroptosis. Curr Top Microbiol Immunol 2017; 403:143-170. [PMID: 28204974 DOI: 10.1007/82_2016_508] [Citation(s) in RCA: 225] [Impact Index Per Article: 32.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Glutathione peroxidase 4 (Phospholipid hydroperoxide glutathione peroxidase, PHGPx) can directly reduce phospholipid hydroperoxide. Depletion of GPx4 induces lipid peroxidation-dependent cell death in embryo, testis, brain, liver, heart, and photoreceptor cells of mice. Administration of vitamin E in tissue specific GPx4 KO mice restored tissue damage in testis, liver, and heart. These results indicate that suppression of phospholipid peroxidation is essential for cell survival in normal tissues in mice. Ferroptosis is an iron-dependent non-apoptotic cell death that can elicited by pharmacological inhibiting the cystine/glutamate antiporter, system Xc- (type I) or directly binding and loss of activity of GPx4 (Type II) in cancer cells with high level RAS-RAF-MEK pathway activity or p53 expression, but not in normal cells. Ferroptosis by Erastin (Type I) and RSL3 (RAS-selective lethal 3, Type II) treatment was suppressed by an iron chelator, vitamin E and Ferrostatin-1, antioxidant compound. GPx4 can regulate ferroptosis by suppression of phospholipid peroxidation in erastin and RSL3-induced ferroptosis. Recent works have identified several regulatory factors of erastin and RSL3-induced ferroptosis. In our established GPx4-deficient MEF cells, depletion of GPx4 induce iron and 15LOX-independent lipid peroxidation at 26 h and caspase-independent cell death at 72 h, whereas erastin and RSL3 treatment resulted in iron-dependent ferroptosis by 12 h. These results indicated the possibility that the mechanism of GPx4-depleted cell death might be different from that of ferroptosis induced by erastin and RSL3.
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