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Spence H, Mengoa-Fleming S, Sneddon AA, McNeil CJ, Waiter GD. Associations between sex, systemic iron and inflammatory status and subcortical brain iron. Eur J Neurosci 2024; 60:5069-5085. [PMID: 39113267 DOI: 10.1111/ejn.16467] [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: 01/12/2024] [Revised: 06/24/2024] [Accepted: 07/02/2024] [Indexed: 09/04/2024]
Abstract
Brain iron increases in several neurodegenerative diseases are associated with disease progression. However, the causes of increased brain iron remain unclear. This study investigates relationships between subcortical iron, systemic iron and inflammatory status. Brain magnetic resonance imaging (MRI) scans and blood plasma samples were collected from cognitively healthy females (n = 176, mean age = 61.4 ± 4.5 years, age range = 28-72 years) and males (n = 152, mean age = 62.0 ± 5.1 years, age range = 32-74 years). Regional brain iron was quantified using quantitative susceptibility mapping. To assess systemic iron, haematocrit, ferritin and soluble transferrin receptor were measured, and total body iron index was calculated. To assess systemic inflammation, C-reactive protein (CRP), neutrophil:lymphocyte ratio (NLR), macrophage colony-stimulating factor 1 (MCSF), interleukin 6 (IL6) and interleukin 1β (IL1β) were measured. We demonstrated that iron levels in the right hippocampus were higher in males compared with females, while iron in the right caudate was higher in females compared with males. There were no significant associations observed between subcortical iron levels and blood markers of iron and inflammatory status indicating that such blood measures are not markers of brain iron. These results suggest that brain iron may be regulated independently of blood iron and so directly targeting global iron change in the treatment of neurodegenerative disease may have differential impacts on blood and brain iron.
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Affiliation(s)
- Holly Spence
- Aberdeen Biomedical Imaging Centre, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Stephanie Mengoa-Fleming
- Aberdeen Biomedical Imaging Centre, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | | | - Christopher J McNeil
- Aberdeen Biomedical Imaging Centre, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Gordon D Waiter
- Aberdeen Biomedical Imaging Centre, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
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2
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Wang H, Mao W, Zhang Y, Feng W, Bai B, Ji B, Chen J, Cheng B, Yan F. NOX1 triggers ferroptosis and ferritinophagy, contributes to Parkinson's disease. Free Radic Biol Med 2024; 222:331-343. [PMID: 38876456 DOI: 10.1016/j.freeradbiomed.2024.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 06/06/2024] [Accepted: 06/11/2024] [Indexed: 06/16/2024]
Abstract
The progressive loss of dopaminergic neurons in the midbrain is the hallmark of Parkinson's disease (PD). A newly emerging form of lytic cell death, ferroptosis, has been implicated in PD. However, it remains unclear in terms of PD-associated ferroptosis underlying causative genes and effective therapeutic approaches. This research explored the underlying mechanism of ferroptosis-related genes in PD. Here, Firstly, we found NOX1 associated with ferroptosis differently in PD patients by bioinformatics analysis. In vitro and in vivo models of PD were constructed to explore the underlying mechanism. qPCR, Western blot analysis, immunohistochemistry, immunofluorescence, Ferro orange, and BODIPY C11 were utilized to analyze the levels of ferroptosis. Transcriptomics sequencing was to investigate the downstream pathway and the analysis of immunoprecipitation to validate the upstream factor. In conclusion, NOX1 upregulation and activation of ferroptosis-related neurodegeneration, therefore, might be useful as a clinical therapeutic agent.
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Affiliation(s)
- Huiqing Wang
- School of Medicine, Southeast University, Nanjing, Jiangsu, 210009, People's Republic of China
| | - Wenwei Mao
- Jining Medical University, Jining, 272067, People's Republic of China
| | - Yuhan Zhang
- Jining Medical University, Jining, 272067, People's Republic of China
| | - Wenhui Feng
- Jining Medical University, Jining, 272067, People's Republic of China
| | - Bo Bai
- Jining Medical University, Jining, 272067, People's Republic of China
| | - Bingyuan Ji
- Institute of Precision Medicine, Jining Medical University, Jining, 272067, People's Republic of China
| | - Jing Chen
- Neurobiology Institute, Jining Medical University, 272067, Jining, People's Republic of China; Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK
| | - Baohua Cheng
- Neurobiology Institute, Jining Medical University, 272067, Jining, People's Republic of China; College of Basic Medicine, Jining Medical University, Jining, 272067, People's Republic of China.
| | - Fuling Yan
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, No. 87 Dingjiaqiao Road, Nanjing, 210009, People's Republic of China.
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Wang J, Nguyen NK, Liu D, Jwa NS. Mitogen-Activated Protein Kinase Kinase OsMEK2 Positively Regulates Ca 2+ Influx and Ferroptotic Cell Death during Rice Immune Responses. Antioxidants (Basel) 2024; 13:1013. [PMID: 39199257 PMCID: PMC11351908 DOI: 10.3390/antiox13081013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2024] [Revised: 08/15/2024] [Accepted: 08/19/2024] [Indexed: 09/01/2024] Open
Abstract
Mitogen-activated protein (MAP) kinase (MAPK) signaling pathway is important in plant immune responses, involved in iron- and reactive oxygen species (ROS)-dependent ferroptotic cell death mediated by Ca2+. High Ca2+ influx triggered iron-dependent ROS accumulation, lipid peroxidation, and subsequent hypersensitive response (HR) cell death in rice (Oryza sativa). Apoplastic Ca2+ chelation by EGTA during avirulent Magnaporthe oryzae infection altered Ca2+, ROS, and Fe2+ accumulation, increasing rice susceptibility to infection. By contrast, acibenzolar-S-methyl (ASM), a plant defense activator, significantly enhanced Ca2+ influx, and H2O2 accumulation, triggering rice ferroptotic cell death during virulent Magnaporthe oryzae infection. Here, we report a novel role of the MAPK signaling pathway in regulating cytoplasmic Ca2+ increase during ferroptotic cell death in rice immunity, using the ΔOsmek2 knockout mutant rice. The knockout of rice OsMEK2 impaired the ROS accumulation, lipid peroxidation, and iron accumulation during avirulent M. oryzae infection. This study has shown that OsMEK2 could positively regulate iron- and ROS-dependent ferroptotic cell death in rice by modulating the expression of OsNADP-ME, OsRBOHB, OsPLC, and OsCNGC. This modulation indicates a possible mechanism for how OsMEK2 participates in Ca2+ regulation in rice ferroptotic cell death, suggesting its broader role in plant immune responses in response to M. oryzae infection.
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Affiliation(s)
| | | | | | - Nam-Soo Jwa
- Division of Integrative Bioscience and Biotechnology, College of Life Sciences, Sejong University, Seoul 05006, Republic of Korea; (J.W.); (N.K.N.); (D.L.)
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Panwar A, Lye A, Musib D, Upadhyay A, Karankumar I, Devi PB, Pal M, Maity B, Roy M. Strategic design and development of a siderophore mimic: pioneering anticancer therapy via ROS generation and ferroptosis. Dalton Trans 2024; 53:12119-12127. [PMID: 38979715 DOI: 10.1039/d4dt01461h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
We designed a tris-catecholate-based siderophore mimic, H6-T-CATL, to selectively chelate iron(III) from mitochondrial cytochromes and other iron-containing proteins within cellular matrices. This strategic sequestration aims to trigger apoptosis or ferroptosis in cancer cells through the glutathione (GSH)-dependent release of reduced iron and subsequent ROS-mediated cytotoxicity. Synthesis of H6-T-CATL involved precise peptide coupling reactions. Using the Fe(III)-porphyrin model (Fe-TPP-Cl), akin to cytochrome c, we studied H6-T-CATL's ability to extract iron(III), yielding a binding constant (Krel) of 1014 for the resulting iron(III) complex (FeIII-T-CATL)3-. This complex readily underwent GSH-mediated reduction to release bioavailable iron(II), which catalyzed Fenton-like reactions generating hydroxyl radicals (˙OH), confirmed by spectroscopic analyses. Our research underscores the potential of H6-T-CATL to induce cancer cell death by depleting iron(III) from cellular metalloproteins, releasing pro-apoptotic iron(II). Evaluation across various cancer types, including normal cells, demonstrated H6-T-CATL's cytotoxicity through ROS production, mitochondrial dysfunction, and activation of ferroptosis and DNA damage pathways. These findings propose a novel mechanism for cancer therapy, leveraging endogenous iron stores within cells. H6-T-CATL emerges as a promising next-generation anticancer agent, exploiting iron metabolism vulnerabilities to induce selective cancer cell death through ferroptosis induction.
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Affiliation(s)
- Abhishek Panwar
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal West, 795004, Manipur, India.
| | - Anushree Lye
- Department of Systems Biology, Center of Biomedical Research (CBMR), Raebareli Road, Lucknow 226014, Uttar Pradesh, India.
| | - Dulal Musib
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal West, 795004, Manipur, India.
| | - Aarti Upadhyay
- Department of Inorganic and Physical Chemistry, Indian Institute of Science Bangalore, Bangalore-50012, Karnataka, India
| | - Irungbam Karankumar
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal West, 795004, Manipur, India.
| | - Paonam Bebika Devi
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal West, 795004, Manipur, India.
| | - Maynak Pal
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal West, 795004, Manipur, India.
| | - Biswanath Maity
- Department of Systems Biology, Center of Biomedical Research (CBMR), Raebareli Road, Lucknow 226014, Uttar Pradesh, India.
- Department of Biological Sciences, Bose Institute Unified Academic Campus, EN80, Sector V, Bidhan Nagar, Kolkata - 700091, West Bengal, India
| | - Mithun Roy
- Department of Chemistry, National Institute of Technology Manipur, Langol, Imphal West, 795004, Manipur, India.
- Department of Chemistry, National Institute of Technology Agartala, Jirania, West Tripura, Agartala, 799046, India
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Liu Y, Hu S, Shi B, Yu B, Luo W, Peng S, Du X. The Role of Iron Metabolism in Sepsis-associated Encephalopathy: a Potential Target. Mol Neurobiol 2024; 61:4677-4690. [PMID: 38110647 DOI: 10.1007/s12035-023-03870-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 11/30/2023] [Indexed: 12/20/2023]
Abstract
Sepsis-associated encephalopathy (SAE) is an acute cerebral dysfunction secondary to infection, and the severity can range from mild delirium to deep coma. Disorders of iron metabolism have been proven to play an important role in a variety of neurodegenerative diseases by inducing cell damage through iron accumulation in glial cells and neurons. Recent studies have found that iron accumulation is also a potential mechanism of SAE. Systemic inflammation can induce changes in the expression of transporters and receptors on cells, especially high expression of divalent metal transporter1 (DMT1) and low expression of ferroportin (Fpn) 1, which leads to iron accumulation in cells. Excessive free Fe2+ can participate in the Fenton reaction to produce reactive oxygen species (ROS) to directly damage cells or induce ferroptosis. As a result, it may be of great help to improve SAE by treatment of targeting disorders of iron metabolism. Therefore, it is important to review the current research progress on the mechanism of SAE based on iron metabolism disorders. In addition, we also briefly describe the current status of SAE and iron metabolism disorders and emphasize the therapeutic prospect of targeting iron accumulation as a treatment for SAE, especially iron chelator. Moreover, drug delivery and side effects can be improved with the development of nanotechnology. This work suggests that treating SAE based on disorders of iron metabolism will be a thriving field.
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Affiliation(s)
- Yinuo Liu
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
- The Clinical Medical College of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Shengnan Hu
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China
- The Clinical Medical College of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Bowen Shi
- The Clinical Medical College of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Bodong Yu
- The Clinical Medical College of Nanchang University, Nanchang, 330006, Jiangxi, China
| | - Wei Luo
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Shengliang Peng
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.
| | - Xiaohong Du
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, Jiangxi, China.
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Chen D, Miao S, Chen X, Wang Z, Lin P, Zhang N, Yang N. Regulated Necrosis in Glaucoma: Focus on Ferroptosis and Pyroptosis. Mol Neurobiol 2024; 61:2542-2555. [PMID: 37910286 DOI: 10.1007/s12035-023-03732-x] [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: 08/11/2023] [Accepted: 10/20/2023] [Indexed: 11/03/2023]
Abstract
Glaucoma is one of the most common causes of irreversible blindness worldwide. This neurodegenerative disease is characterized by progressive and irreversible damage to retinal ganglion cells (RGCs) and optic nerves, which can lead to permanent loss of peripheral and central vision. To date, maintaining long-term survival of RGCs using traditional treatments, such as medication and surgery, remains challenging, as these do not promote optic nerve regeneration. Therefore, it is of great clinical and social significance to investigate the mechanisms of optic nerve degeneration in depth and find reliable targets to provide pioneering methods for the prevention and treatment of glaucoma. Regulated necrosis is a form of genetically programmed cell death associated with the maintenance of homeostasis and disease progression in vivo. An increasing body of innovative evidence has recognized that aberrant activation of regulated necrosis pathways is a common feature in neurodegenerative diseases, such as Alzheimer's, Parkinson's, and glaucoma, resulting in unwanted loss of neuronal cells and function. Among them, ferroptosis and pyroptosis are newly discovered forms of regulated cell death actively involved in the pathophysiological processes of RGCs loss and optic nerve injury. This was shown by a series of in vivo and in vitro studies, and these mechanisms have been emerging as a key new area of scientific research in ophthalmic diseases. In this review, we focus on the molecular mechanisms of ferroptosis and pyroptosis and their regulatory roles in the pathogenesis of glaucoma, with the aim of exploring their implications as potential therapeutic targets and providing new perspectives for better clinical decision-making in glaucoma treatment.
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Affiliation(s)
- Duan Chen
- Department of Ophthalmology, Renmin Hospital of Wuhan University, Jiefang Road #238, Wuhan, 430060, Hubei, China
| | - Sen Miao
- Department of Ophthalmology, Renmin Hospital of Wuhan University, Jiefang Road #238, Wuhan, 430060, Hubei, China
| | - Xuemei Chen
- Department of Ophthalmology, Renmin Hospital of Wuhan University, Jiefang Road #238, Wuhan, 430060, Hubei, China
| | - Zhiyi Wang
- Department of Ophthalmology, Renmin Hospital of Wuhan University, Jiefang Road #238, Wuhan, 430060, Hubei, China
| | - Pei Lin
- Department of Ophthalmology, Renmin Hospital of Wuhan University, Jiefang Road #238, Wuhan, 430060, Hubei, China
| | - Ningzhi Zhang
- Department of Ophthalmology, Renmin Hospital of Wuhan University, Jiefang Road #238, Wuhan, 430060, Hubei, China.
| | - Ning Yang
- Department of Ophthalmology, Renmin Hospital of Wuhan University, Jiefang Road #238, Wuhan, 430060, Hubei, China.
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7
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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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Zhang CH, Yan YJ, Luo Q. The molecular mechanisms and potential drug targets of ferroptosis in myocardial ischemia-reperfusion injury. Life Sci 2024; 340:122439. [PMID: 38278348 DOI: 10.1016/j.lfs.2024.122439] [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: 11/23/2023] [Revised: 01/07/2024] [Accepted: 01/14/2024] [Indexed: 01/28/2024]
Abstract
Myocardial ischemia-reperfusion injury (MIRI), caused by the initial interruption and subsequent restoration of coronary artery blood, results in further damage to cardiac function, affecting the prognosis of patients with acute myocardial infarction. Ferroptosis is an iron-dependent, superoxide-driven, non-apoptotic form of regulated cell death that is involved in the pathogenesis of MIRI. Ferroptosis is characterized by the accumulation of lipid peroxides (LOOH) and redox disequilibrium. Free iron ions can induce lipid oxidative stress as a substrate of the Fenton reaction and lipoxygenase (LOX) and participate in the inactivation of a variety of lipid antioxidants including CoQ10 and GPX4, destroying the redox balance and causing cell death. The metabolism of amino acid, iron, and lipids, including associated pathways, is considered as a specific hallmark of ferroptosis. This review systematically summarizes the latest research progress on the mechanisms of ferroptosis and discusses and analyzes the therapeutic approaches targeting ferroptosis to alleviate MIRI.
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Affiliation(s)
- Chen-Hua Zhang
- Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Yu-Jie Yan
- School of Stomatology, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
| | - Qi Luo
- School of Basic Medical Science, Jiangxi Medical College, Nanchang University, Nanchang 330006, China.
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Guo M, Zhuang Y, Wu Y, Zhang C, Cheng X, Xu D, Zhang Z. The cell fate regulator DACH1 modulates ferroptosis through affecting P53/SLC25A37 signaling in fibrotic disease. Hepatol Commun 2024; 8:e0396. [PMID: 38437058 PMCID: PMC10914241 DOI: 10.1097/hc9.0000000000000396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 01/11/2024] [Indexed: 03/06/2024] Open
Abstract
BACKGROUND Dachshund homolog 1 (DACH1) is widely acknowledged for its involvement in regulating diverse cell fates, but its precise regulatory mechanism in ferroptosis remains elusive. In this study, we investigated whether DACH1 modulates ferroptosis through affecting P53/solute carrier family 25 member 37 (SLC25A37) signaling in hepatic fibrogenesis. METHODS CRISPR-Cas9 system was used to knockout DACH1 in HSC to determine the effect of DACH1 on ferroptosis. Immunoprecipitation, pulldown, and mouse model of hepatic fibrogenesis were used to analyze the potential molecular mechanism of ferroptosis regulation by DACH1. RESULTS We found that ferroptosis inducers increased the protein expression of DACH1 by suppressing the ubiquitin-proteasome signaling. DACH1 knockout can resist ferroptosis, whereas DACH1 knockin can enhance it. Interestingly, the upregulation of DACH1 resulted in the mitochondrial translocation of p53 by inducing phosphorylation at serine 392. The mutation of serine 392 can prevent the combination of DACH1 and p53, the mitochondrial translocation of p53, and DACH1-mediated ferroptosis. Moreover, SLC25A37 was identified as a candidate target for mitochondrial p53. The binding of p53 to SLC25A37 can enhance the iron uptake capacity of SLC25A37, which may cause an overload of iron in the mitochondria and hyperactive mitochondrial electron transport chain. Knockdown of SLC25A37 can impair p53-mediated mitochondrial iron overload and ferroptosis. Furthermore, treatment with erastin can induce HSC ferroptosis and relieve fibrotic lesion damage in the mouse model of hepatic fibrogenesis. HSC-specific knockdown of DACH1, p53, and SLC25A37 can abolish the induction of HSC ferroptosis and reversal of hepatic fibrogenesis by erastin treatment. CONCLUSIONS Our findings suggest that the DACH1/P53/SLC25A37 signaling pathway is a promising target for fibrotic disorders and reveals new regulatory mechanisms of ferroptosis.
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Affiliation(s)
- Mei Guo
- School of Nursing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yanshuang Zhuang
- Taizhou Hospital of Traditional Chinese Medicine, Taizhou, China
| | - Yang Wu
- Pancreas Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Chun Zhang
- Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Xudong Cheng
- Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Dong Xu
- Pancreas Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zili Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
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Mohan S, Alhazmi HA, Hassani R, Khuwaja G, Maheshkumar VP, Aldahish A, Chidambaram K. Role of ferroptosis pathways in neuroinflammation and neurological disorders: From pathogenesis to treatment. Heliyon 2024; 10:e24786. [PMID: 38314277 PMCID: PMC10837572 DOI: 10.1016/j.heliyon.2024.e24786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 01/09/2024] [Accepted: 01/15/2024] [Indexed: 02/06/2024] Open
Abstract
Ferroptosis is a newly discovered non-apoptotic and iron-dependent type of cell death. Ferroptosis mainly takes place owing to the imbalance of anti-oxidation and oxidation in the body. It is regulated via a number of factors and pathways both inside and outside the cell. Ferroptosis is closely linked with brain and various neurological disorders (NDs). In the human body, the brain contains the highest levels of polyunsaturated fatty acids, which are known as lipid peroxide precursors. In addition, there is also a connection of glutathione depletion and lipid peroxidation with NDs. There is growing evidence regarding the possible link between neuroinflammation and multiple NDs, such as Alzheimer's disease, amyotrophic lateral sclerosis, Parkinson's disease, Huntington's disease, and stroke. Recent studies have demonstrated that disruptions of lipid reactive oxygen species (ROS), glutamate excitatory toxicity, iron homeostasis, and various other manifestations linked with ferroptosis can be identified in various neuroinflammation-mediated NDs. It has also been reported that damage-associated molecular pattern molecules including ROS are generated during the events of ferroptosis and can cause glial activation via activating neuroimmune pathways, which subsequently leads to the generation of various inflammatory factors that play a role in various NDs. This review summarizes the regulation pathways of ferroptosis, the link between ferroptosis as well as inflammation in NDs, and the potential of a range of therapeutic agents that can be used to target ferroptosis and inflammation in the treatment of neurological disorders.
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Affiliation(s)
- Syam Mohan
- Substance Abuse and Toxicology Research Centre, Jazan University, Jazan, Saudi Arabia
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, India
- School of Health Sciences, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
| | - Hassan A Alhazmi
- Substance Abuse and Toxicology Research Centre, Jazan University, Jazan, Saudi Arabia
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Rym Hassani
- Department of Mathematics, University College AlDarb, Jazan University, Jazan, Saudi Arabia
| | - Gulrana Khuwaja
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - V P Maheshkumar
- Department of Pharmacy, Annamalai University, Annamalai Nagar 608002, Tamil Nadu, India
| | - Afaf Aldahish
- Department of Pharmacology and Toxicology, College of Pharmacy, King Khalid University, Abha 61421, Saudi Arabia
| | - Kumarappan Chidambaram
- Department of Pharmacology and Toxicology, College of Pharmacy, King Khalid University, Abha 61421, Saudi Arabia
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Li P, Wang Y, Yan Q, Yang Y, Zhu R, Ma J, Chen Y, Liu H, Zhang Z. Fructus Ligustri Lucidi inhibits ferroptosis in ovariectomy‑induced osteoporosis in rats via the Nrf2/HO‑1 signaling pathway. Biomed Rep 2024; 20:27. [PMID: 38259585 PMCID: PMC10801352 DOI: 10.3892/br.2023.1715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 11/20/2023] [Indexed: 01/24/2024] Open
Abstract
Postmenopausal osteoporosis (PMOP) has increased in prevalence in recent years, thus researchers have evaluated alternative medicine therapies. Fructus Ligustri Lucidi (FLL) can inhibit bone loss, and ferroptosis serves an important role in osteoporosis. Therefore, the present study assessed the presence of ferroptosis in PMOP and whether FLL could inhibit ferroptosis to improve bone microstructure in ovariectomized rats. Ovariectomized rats were treated with FLL (1.56 g/kg/day) for 12 weeks. Micro-CT was performed to evaluate the bone microstructure and bone mineral density. Western blotting and reverse transcription-quantitative PCR were performed to assess the relative expression levels of proteins and mRNA. Subsequently, malondialdehyde (MDA) and Fe2+ assay kits were used to quantify the MDA and Fe2+ content, respectively. The results demonstrated that ovariectomy (OVX) resulted in iron overload and the accumulation of lipid peroxide. Furthermore, the expression of key factors that inhibited ferroptosis, glutathione peroxidase 4 and solute carrier family 7 member 11 was significantly downregulated in ovariectomized rats, which was significantly reversed by FLL treatment. Furthermore, bone formation was assessed using the expression of osteogenesis-related genes, runt-related transcription factor 2 and osterix, which revealed significantly higher levels in FLL-treated rats compared with ovariectomized rats. The levels of nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1) were also significantly recovered following FLL treatment. In the present study, OVX of postmenopausal osteoporotic rats was found to induce ferroptosis by enhancing lipid peroxidation and Fe2+ levels. FLL significantly suppressed ferroptosis, protected the osteogenic ability of ovariectomized rats and promoted the Nrf2/HO-1 signaling pathway.
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Affiliation(s)
- Pei Li
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Yuhan Wang
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Qiqi Yan
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Ying Yang
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Ruyuan Zhu
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Jiayi Ma
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Yanjing Chen
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Haixia Liu
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
| | - Zhiguo Zhang
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China
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12
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Zhao L, Miao H, Quan M, Wang S, Zhang Y, Zhou H, Zhang X, Lin Z, Piao J. β-Lapachone induces ferroptosis of colorectal cancer cells via NCOA4-mediated ferritinophagy by activating JNK pathway. Chem Biol Interact 2024; 389:110866. [PMID: 38218311 DOI: 10.1016/j.cbi.2024.110866] [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: 08/15/2023] [Revised: 12/26/2023] [Accepted: 01/07/2024] [Indexed: 01/15/2024]
Abstract
β-Lapachone is a natural product that can promote ROS generation and ultimately triggers tumor cells death by inducing DNA damage. Recent studies have indicated that the targeting of ferroptosis or iron metabolism is a feasible strategy for treating cancer. In this study, bulk RNA-seq analysis suggested that β-Lapachone might induce ferroptosis in CRC cells. We further tested this hypothesis using a xenograft model of human colorectal cancer as an animal model and in SW620 and DLD-1 of CRC cell lines. Western blot was used to determine the key proteins of ferroptosis (SLC7A11, GPX4), autophagy (LC3B, P62, ATG7), ferritinophagy (NCOA4, FTH1, TFRC), and JNK pathway (p-JNK, JNK, p-c-Jun, c-Jun). The levels of MDA, GSH/GSSG, lipid ROS, and intracellular ferrous iron were determined after β-Lapachone treatment, and inhibitors of various pathways, including NAC, Ferrostatin-1, DFO, 3-MA, and SP600125 were utilized to explore the molecular mechanism underlying β-Lapachone-mediated ferroptosis. As the result, we identified that β-Lapachone inhibited cell proliferation and induced apoptosis, autophagy, and ROS generation. In addition, β-Lapachone induced ferroptosis as demonstrated by intra-cellular iron overload, increased levels of lipid ROS and MDA. Mechanistically, JNK signaling pathway was involved in β-Lapachone-induced xCT/GPX4-mediated ferroptosis and NCOA4-mediated ferritinophagy in CRC cells. In vivo experiments in nude mice demonstrated that β-Lapachone significantly inhibited CRC growth and induced ferroptosis and NCOA4-mediated ferritinophagy. These findings not only identify a novel role for β-Lapachone in ferroptosis but also indicate that β-Lapachone may be a valuable candidate for the research and development of anti-cancer therapeutic agents.
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Affiliation(s)
- Lei Zhao
- Key Laboratory of Pathobiology (Yanbian University), State Ethnic Affairs Commission, Yanji, China
| | - Hui Miao
- Key Laboratory of Pathobiology (Yanbian University), State Ethnic Affairs Commission, Yanji, China
| | - Mingqi Quan
- Key Laboratory of Pathobiology (Yanbian University), State Ethnic Affairs Commission, Yanji, China
| | - Shuhao Wang
- Key Laboratory of Pathobiology (Yanbian University), State Ethnic Affairs Commission, Yanji, China
| | - Yu Zhang
- Key Laboratory of Pathobiology (Yanbian University), State Ethnic Affairs Commission, Yanji, China
| | - Houkun Zhou
- Key Laboratory of Pathobiology (Yanbian University), State Ethnic Affairs Commission, Yanji, China
| | - Xianglan Zhang
- Oral Cancer Research Institute, Yonsei University College of Dentistry, Seoul, South Korea
| | - Zhenhua Lin
- Key Laboratory of Pathobiology (Yanbian University), State Ethnic Affairs Commission, Yanji, China
| | - Junjie Piao
- Key Laboratory of Pathobiology (Yanbian University), State Ethnic Affairs Commission, Yanji, China.
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13
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Valenti GE, Roveri A, Venerando R, Menichini P, Monti P, Tasso B, Traverso N, Domenicotti C, Marengo B. PTC596-Induced BMI-1 Inhibition Fights Neuroblastoma Multidrug Resistance by Inducing Ferroptosis. Antioxidants (Basel) 2023; 13:3. [PMID: 38275623 PMCID: PMC10812464 DOI: 10.3390/antiox13010003] [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: 11/03/2023] [Revised: 12/11/2023] [Accepted: 12/13/2023] [Indexed: 01/27/2024] Open
Abstract
Neuroblastoma (NB) is a paediatric cancer with noteworthy heterogeneity ranging from spontaneous regression to high-risk forms that are characterised by cancer relapse and the acquisition of drug resistance. The most-used anticancer drugs exert their cytotoxic effect by inducing oxidative stress, and long-term therapy has been demonstrated to cause chemoresistance by enhancing the antioxidant response of NB cells. Taking advantage of an in vitro model of multidrug-resistant (MDR) NB cells, characterised by high levels of glutathione (GSH), the overexpression of the oncoprotein BMI-1, and the presence of a mutant P53 protein, we investigated a new potential strategy to fight chemoresistance. Our results show that PTC596, an inhibitor of BMI-1, exerted a high cytotoxic effect on MDR NB cells, while PRIMA-1MET, a compound able to reactivate mutant P53, had no effect on the viability of MDR cells. Furthermore, both PTC596 and PRIMA-1MET markedly reduced the expression of epithelial-mesenchymal transition proteins and limited the clonogenic potential and the cancer stemness of MDR cells. Of particular interest is the observation that PTC596, alone or in combination with PRIMA-1MET and etoposide, significantly reduced GSH levels, increased peroxide production, stimulated lipid peroxidation, and induced ferroptosis. Therefore, these findings suggest that PTC596, by inhibiting BMI-1 and triggering ferroptosis, could be a promising approach to fight chemoresistance.
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Affiliation(s)
- Giulia Elda Valenti
- Department of Experimental Medicine, General Pathology Section, University of Genoa, 16132 Genoa, Italy; (G.E.V.); (N.T.); (B.M.)
| | - Antonella Roveri
- Department of Molecular Medicine, University of Padua, 35128 Padua, Italy; (A.R.); (R.V.)
| | - Rina Venerando
- Department of Molecular Medicine, University of Padua, 35128 Padua, Italy; (A.R.); (R.V.)
| | - Paola Menichini
- Mutagenesis and Cancer Prevention Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy; (P.M.); (P.M.)
| | - Paola Monti
- Mutagenesis and Cancer Prevention Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy; (P.M.); (P.M.)
| | - Bruno Tasso
- Department of Pharmacy, University of Genoa, 16148 Genoa, Italy;
| | - Nicola Traverso
- Department of Experimental Medicine, General Pathology Section, University of Genoa, 16132 Genoa, Italy; (G.E.V.); (N.T.); (B.M.)
| | - Cinzia Domenicotti
- Department of Experimental Medicine, General Pathology Section, University of Genoa, 16132 Genoa, Italy; (G.E.V.); (N.T.); (B.M.)
| | - Barbara Marengo
- Department of Experimental Medicine, General Pathology Section, University of Genoa, 16132 Genoa, Italy; (G.E.V.); (N.T.); (B.M.)
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14
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Li J, Li L, Zhang Z, Chen P, Shu H, Yang C, Chu Y, Liu J. Ferroptosis: an important player in the inflammatory response in diabetic nephropathy. Front Immunol 2023; 14:1294317. [PMID: 38111578 PMCID: PMC10725962 DOI: 10.3389/fimmu.2023.1294317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 11/15/2023] [Indexed: 12/20/2023] Open
Abstract
Diabetic nephropathy (DN) is a chronic inflammatory disease that affects millions of diabetic patients worldwide. The key to treating of DN is early diagnosis and prevention. Once the patient enters the clinical proteinuria stage, renal damage is difficult to reverse. Therefore, developing early treatment methods is critical. DN pathogenesis results from various factors, among which the immune response and inflammation play major roles. Ferroptosis is a newly discovered type of programmed cell death characterized by iron-dependent lipid peroxidation and excessive ROS production. Recent studies have demonstrated that inflammation activation is closely related to the occurrence and development of ferroptosis. Moreover, hyperglycemia induces iron overload, lipid peroxidation, oxidative stress, inflammation, and renal fibrosis, all of which are related to DN pathogenesis, indicating that ferroptosis plays a key role in the development of DN. Therefore, this review focuses on the regulatory mechanisms of ferroptosis, and the mutual regulatory processes involved in the occurrence and development of DN and inflammation. By discussing and analyzing the relationship between ferroptosis and inflammation in the occurrence and development of DN, we can deepen our understanding of DN pathogenesis and develop new therapeutics targeting ferroptosis or inflammation-related regulatory mechanisms for patients with DN.
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Affiliation(s)
- Jialing Li
- College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
| | - Luxin Li
- College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
- Heilongjiang Key Laboratory of Anti-Fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, China
| | - Zhen Zhang
- Heilongjiang Key Laboratory of Anti-Fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, China
- School of First Clinical Medical College, Mudanjiang Medical University, Mudanjiang, China
| | - Peijian Chen
- College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
- Heilongjiang Key Laboratory of Anti-Fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, China
| | - Haiying Shu
- College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
| | - Can Yang
- College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
| | - Yanhui Chu
- College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
- Heilongjiang Key Laboratory of Anti-Fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, China
| | - Jieting Liu
- College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
- Heilongjiang Key Laboratory of Anti-Fibrosis Biotherapy, Mudanjiang Medical University, Mudanjiang, China
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15
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Bao T, Zhang X, Xie W, Wang Y, Li X, Tang C, Yang Y, Sun J, Gao J, Yu T, Zhao L, Tong X. Natural compounds efficacy in complicated diabetes: A new twist impacting ferroptosis. Biomed Pharmacother 2023; 168:115544. [PMID: 37820566 DOI: 10.1016/j.biopha.2023.115544] [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: 03/28/2023] [Revised: 09/13/2023] [Accepted: 09/18/2023] [Indexed: 10/13/2023] Open
Abstract
Ferroptosis, as a way of cell death, participates in the body's normal physiological and pathological regulation. Recent studies have shown that ferroptosis may damage glucose-stimulated islets β Insulin secretion and programmed cell death of T2DM target organs are involved in the pathogenesis of T2DM and its complications. Targeting suppression of ferroptosis with specific inhibitors may provide new therapeutic opportunities for previously untreated T2DM and its target organs. Current studies suggest that natural bioactive compounds, which are abundantly available in drugs, foods, and medicinal plants for the treatment of T2DM and its target organs, have recently received significant attention for their various biological activities and minimal toxicity, and that many natural compounds appear to have a significant role in the regulation of ferroptosis in T2DM and its target organs. Therefore, this review summarized the potential treatment strategies of natural compounds as ferroptosis inhibitors to treat T2DM and its complications, providing potential lead compounds and natural phytochemical molecular nuclei for future drug research and development to intervene in ferroptosis in T2DM.
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Affiliation(s)
- Tingting Bao
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, No.5 BeiXianGe Street, Xicheng District, Beijing 100053, China; Graduate school, Beijing University of Traditional Chinese Medicine, Beijing 100029, China
| | - Xiangyuan Zhang
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, No.5 BeiXianGe Street, Xicheng District, Beijing 100053, China; Graduate school, Beijing University of Traditional Chinese Medicine, Beijing 100029, China
| | - Weinan Xie
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, No.5 BeiXianGe Street, Xicheng District, Beijing 100053, China; Graduate school, Beijing University of Traditional Chinese Medicine, Beijing 100029, China
| | - Ying Wang
- Changchun University of Chinese Medicine, No. 1035, Boshuo Road, Jingyue National High-tech Industrial Development Zone, Changchun 130117, China
| | - Xiuyang Li
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, No.5 BeiXianGe Street, Xicheng District, Beijing 100053, China
| | - Cheng Tang
- Changchun University of Chinese Medicine, No. 1035, Boshuo Road, Jingyue National High-tech Industrial Development Zone, Changchun 130117, China
| | - Yingying Yang
- National Center for Integrated Traditional and Western Medicine, China-Japan Friendship Hospital, Beijing 100029, China
| | - Jun Sun
- Affiliated Hospital of Changchun University of Traditional Chinese Medicine, No. 1478, Gongnong Road, Chaoyang District, Changchun 130021, China
| | - Jiaqi Gao
- School of Qi-Huang Chinese Medicine, Beijing University of Chinese Medicine, No. 11, North 3rd Ring East Roa, Chaoyang Distric, Beijing 10010, China
| | - Tongyue Yu
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, No.5 BeiXianGe Street, Xicheng District, Beijing 100053, China
| | - Linhua Zhao
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, No.5 BeiXianGe Street, Xicheng District, Beijing 100053, China.
| | - Xiaolin Tong
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, No.5 BeiXianGe Street, Xicheng District, Beijing 100053, China.
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16
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Basavarajappa D, Galindo-Romero C, Gupta V, Agudo-Barriuso M, Gupta VB, Graham SL, Chitranshi N. Signalling pathways and cell death mechanisms in glaucoma: Insights into the molecular pathophysiology. Mol Aspects Med 2023; 94:101216. [PMID: 37856930 DOI: 10.1016/j.mam.2023.101216] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/25/2023] [Accepted: 10/02/2023] [Indexed: 10/21/2023]
Abstract
Glaucoma is a complex multifactorial eye disease manifesting in retinal ganglion cell (RGC) death and optic nerve degeneration, ultimately causing irreversible vision loss. Research in recent years has significantly enhanced our understanding of RGC degenerative mechanisms in glaucoma. It is evident that high intraocular pressure (IOP) is not the only contributing factor to glaucoma pathogenesis. The equilibrium of pro-survival and pro-death signalling pathways in the retina strongly influences the function and survival of RGCs and optic nerve axons in glaucoma. Molecular evidence from human retinal tissue analysis and a range of experimental models of glaucoma have significantly contributed to unravelling these mechanisms. Accumulating evidence reveals a wide range of molecular signalling pathways that can operate -either alone or via intricate networks - to induce neurodegeneration. The roles of several molecules, including neurotrophins, interplay of intracellular kinases and phosphates, caveolae and adapter proteins, serine proteases and their inhibitors, nuclear receptors, amyloid beta and tau, and how their dysfunction affects retinal neurons are discussed in this review. We further underscore how anatomical alterations in various animal models exhibiting RGC degeneration and susceptibility to glaucoma-related neuronal damage have helped to characterise molecular mechanisms in glaucoma. In addition, we also present different regulated cell death pathways that play a critical role in RGC degeneration in glaucoma.
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Affiliation(s)
- Devaraj Basavarajappa
- Macquarie Medical School, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia.
| | - Caridad Galindo-Romero
- Experimental Ophthalmology Group, Instituto Murciano de Investigación Biosanitaria Virgen de la Arrixaca (IMIB-Arrixaca) & Ophthalmology Department, Universidad de Murcia, Murcia, Spain
| | - Vivek Gupta
- Macquarie Medical School, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia
| | - Marta Agudo-Barriuso
- Experimental Ophthalmology Group, Instituto Murciano de Investigación Biosanitaria Virgen de la Arrixaca (IMIB-Arrixaca) & Ophthalmology Department, Universidad de Murcia, Murcia, Spain
| | - Veer B Gupta
- School of Medicine, Deakin University, Melbourne, VIC, Australia
| | - Stuart L Graham
- Macquarie Medical School, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia
| | - Nitin Chitranshi
- Macquarie Medical School, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia.
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17
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Xu G, Wang J, Zhang Y, Chen Z, Deng R. GGT1 Suppresses the Development of Ferroptosis and Autophagy in Mouse Retinal Ganglion Cell Through Targeting GCLC. Eye Brain 2023; 15:139-151. [PMID: 38020723 PMCID: PMC10676118 DOI: 10.2147/eb.s434280] [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: 08/07/2023] [Accepted: 11/03/2023] [Indexed: 12/01/2023] Open
Abstract
Background Glaucoma is a neurodegenerative disorder characterized with optic nerve injury and the loss of retinal ganglion cells (RGCs). Ferroptosis has been proved to be associated with the degradation of RGCs. The aim of this study is to elucidate the relationship between ferroptosis and glaucoma pathogenesis, and unveil the underlying mechanism. Methods Methyl thiazolyl tetrazolium (MTT) assay was used to evaluate the proliferation of RGCs. The accumulation of cellular iron was measured by Iron assay kit, and the level of reactive oxygen species (ROS) was detected by fluorescence probe. The mitochondrial morphology and autophagosomes were analysed by using transmission electron microscopy (TEM). The contents of glutathione (GSH) and malondialdehyde (MDA) were tested by a GSH assay kit and an MDA detection kit, respectively. The expression of autophagy-related proteins was detected by Western blotting. Results A serious cell damage, aberrant iron homeostasis, and oxidative stress was shown in RGC-5 after oxygen-glucose deprivation/reoxygenation (OGD/R) treatment and gamma-Glutamyl transpeptidase 1 (GGT1) knockdown, but these effects were significantly alleviated by overexpression of GGT1 or ferroptosis inhibitors. The TEM and immunofluorescent results indicated that mitochondria impairment and autophagosome accumulation in OGD/R-treated cells was improved after GGT1 overexpression, while the phenomenon in GGT1-silenced cells was aggravated. Furthermore, we found that GGT1 can interact with glutamate cysteine ligase catalytic subunit (GCLC) to inhibit autophagy and ferroptosis in RGC-5 cells. Conclusion GGT1 represses autophagy in RGC-5 cells by targeting GCLC, which further restrains the development of ferroptosis in cells.
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Affiliation(s)
- Guihua Xu
- Eye Department, Huizhou Municipal Central Hospital, Huizhou, Guangdong, People’s Republic of China
| | - Juanjuan Wang
- Eye Department, Huizhou Municipal Central Hospital, Huizhou, Guangdong, People’s Republic of China
| | - Yiting Zhang
- Eye Department, Huizhou Municipal Central Hospital, Huizhou, Guangdong, People’s Republic of China
| | - Zilin Chen
- Eye Department, Huizhou Municipal Central Hospital, Huizhou, Guangdong, People’s Republic of China
| | - Ruidong Deng
- Eye Department, Huizhou Municipal Central Hospital, Huizhou, Guangdong, People’s Republic of China
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18
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Saha M, Das S, Manna K, Saha K. Melatonin targets ferroptosis through bimodal alteration of redox environment and cellular pathways in NAFLD model. Biosci Rep 2023; 43:BSR20230128. [PMID: 37728565 PMCID: PMC10560965 DOI: 10.1042/bsr20230128] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 08/27/2023] [Accepted: 09/19/2023] [Indexed: 09/21/2023] Open
Abstract
Ferroptosis is a non-conventional cellular death caused by lipid peroxide induced iron deposition. Intracellular lipid accumulation followed by generation of lipid peroxides is an hallmark of non-alcoholic fatty liver disease (NAFLD). Melatonin (MLT) is an important pineal hormone with tremendous antioxidant and anti-inflammatory properties. Various studies targeted ferroptosis in different diseases using melatonin. However, none of them focused the intrinsic mechanism of MLT's action to counteract ferroptosis in NAFLD. Hence, the present study investigated the role of MLT in improvement of NAFLD-induced ferroptosis. HepG2 cells were treated with free fatty acids (FFAs) to induce in vitro NAFLD state and C57BL/6 mice were fed with high-fat diet (HFD) followed by MLT administration. The results indicated that MLT administration caused the recovery from both FFA- and HFD-induced ferroptotic state via increasing GSH and SOD level, decreasing lipid reactive oxygen species (ROS) and malondialdehyde (MDA) level, increasing Nrf2 and HO-1 level to defend cells against an oxidative environment. MLT also altered the expression of two key proteins GPX4 and SLC7A11 back to their normal levels, which would otherwise cause ferroptosis. MLT also protected against histopathological damage of both liver tissue and HepG2 cells as depicted by Oil Red O, HE staining and immunofluorescence microscopy. MLT also had control over pAMPKα as well as PPARγ and PPARα responsible for lipid homeostasis and lipogenesis. In brief, MLT exerted its multifaceted effect in FFA- and HFD-induced NAFLD by retrieving cellular oxidative environment, reducing lipogenesis and lipid peroxidation and modulating Nrf2/HO-1 and GPX4/SLC7A11 axis to combat ferroptosis.
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Affiliation(s)
- Moumita Saha
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, India
| | - Sanjib Das
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, India
| | - Krishnendu Manna
- Department of Food and Nutrition, University of Kalyani, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, India
| | - Krishna Das Saha
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata 700032, India
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19
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Zhang J, Guo C. Current progress of ferroptosis in cardiovascular diseases. Front Cardiovasc Med 2023; 10:1259219. [PMID: 37942067 PMCID: PMC10628442 DOI: 10.3389/fcvm.2023.1259219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Accepted: 09/29/2023] [Indexed: 11/10/2023] Open
Abstract
Ferroptosis, a newly recognized form of nonapoptotic regulated cell death, is characterized by iron-dependent lipid peroxidation. Biological processes, such as iron metabolism, lipid peroxidation, and amino acid metabolism, are involved in the process of ferroptosis. However, the related molecular mechanism of ferroptosis has not yet been completely clarified, and specific and sensitive biomarkers for ferroptosis need to be explored. Recently, studies have revealed that ferroptosis probably causes or exacerbates the progress of cardiovascular diseases, and could be the potential therapeutic target for cardiovascular diseases. In this review, we summarize the molecular mechanisms regulating ferroptosis, inducers or inhibitors of ferroptosis, and the current progresses of ferroptosis in cardiovascular diseases. Furthermore, we discuss the emerging challenges and future perspectives, which may provide novel insights into the treatment of cardiovascular diseases.
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Affiliation(s)
| | - Caixia Guo
- Cardiovascular Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China
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20
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Wang Z, Feng S, Li Q, Song Z, He J, Yang S, Yan C, Ling H. Dihydromyricetin alleviates hippocampal ferroptosis in type 2 diabetic cognitive impairment rats via inhibiting the JNK-inflammatory factor pathway. Neurosci Lett 2023; 812:137404. [PMID: 37482219 DOI: 10.1016/j.neulet.2023.137404] [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: 05/25/2023] [Revised: 07/15/2023] [Accepted: 07/18/2023] [Indexed: 07/25/2023]
Abstract
Type 2 diabetes mellitus (T2DM) is frequently associated with diabetic cognitive impairment (DCI), and recent studies have shown a strong association between DCI and hippocampal ferroptosis. In this study, we administered dihydromyricetin (DHM) or JNK inhibitor SP600125, to T2DM rats and monitored changes in blood glucose levels, conducted behavioral tests, and detected changes in JNK, inflammatory factors and ferroptosis-related indicators. Our findings demonstrated that T2DM rats displayed signs of cognitive impairment (CI), with ferrozine assays indicating elevated iron content in the hippocampus. Concurrently, there was an increase in p-JNK activity and inflammatory factors IL-6 and TNF-α in the hippocampal region of these rats. Furthermore, we observed elevated levels of Fe2+, MDA, ROS, LPO, and ACSL4, along with a decrease in GPX4 and GSH, suggesting the occurrence of hippocampal ferroptosis. SP600125 application reversed these changes in the T2DM rats, although it exhibited no significant effects in the control group. Treatment with high and low doses of DHM led to a reduction in p-JNK expression, inflammatory factor-related proteins, and iron accumulation in the hippocampal region, effectively alleviating hippocampal ferroptosis in T2DM rats. No notable effects of DHM were observed in the control group. To conclude, our study suggests that DHM can potentially alleviate hippocampal ferroptosis of T2DM cognitive impairment rats, primarily by suppressing the JNK-inflammatory factor pathway in the hippocampus.
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Affiliation(s)
- Zihan Wang
- Department of Physiology, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China; School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, Guangdong, China
| | - Shuidong Feng
- Department of Social Medicine and Health Service Management, School of Public Health, University of South China, Hengyang 421001, Hunan, China
| | - Qi Li
- Department of Physiology, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China
| | - Zhenjiang Song
- Department of Physiology, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China
| | - Jianqin He
- Department of Physiology, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China
| | - Sisi Yang
- Department of Physiology, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China
| | - Canqun Yan
- The Health Management Center, The Second Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China
| | - Hongyan Ling
- Department of Physiology, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China.
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21
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Merkel M, Goebel B, Boll M, Adhikari A, Maurer V, Steinhilber D, Culmsee C. Mitochondrial Reactive Oxygen Species Formation Determines ACSL4/LPCAT2-Mediated Ferroptosis. Antioxidants (Basel) 2023; 12:1590. [PMID: 37627584 PMCID: PMC10451816 DOI: 10.3390/antiox12081590] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/02/2023] [Accepted: 08/04/2023] [Indexed: 08/27/2023] Open
Abstract
Ferroptosis is a form of oxidative cell death that is characterized by enhanced lipid peroxidation and mitochondrial impairment. The enzymes acyl-CoA synthetase long-chain family member 4 (ACSL4) and lysophosphatidylcholine acyltransferase (LPCAT) play an essential role in the biosynthesis of polyunsaturated fatty acid (PUFA)-containing phospholipids, thereby providing the substrates for lipid peroxidation and promoting ferroptosis. To examine the impact of mitochondria in ACSL4/LPCAT2-driven ferroptosis, HEK293T cells overexpressing ACSL4 and LPCAT2 (OE) or empty vector controls (LV) were exposed to 1S, 3R-RSL3 (RSL3) for induction of ferroptosis. The ACSL4/LPCAT2 overexpression resulted in higher sensitivity against RSL3-induced cell death compared to LV-transfected controls. Moreover, mitochondrial parameters such as mitochondrial reactive oxygen species (ROS) formation, mitochondrial membrane potential, and mitochondrial respiration deteriorated in the OE cells, supporting the conclusion that mitochondria play a significant role in ACSL4/LPCAT2-driven ferroptosis. This was further confirmed through the protection of OE cells against RSL3-mediated cell death by the mitochondrial ROS scavenger mitoquinone (MitoQ), which exerted protection via antioxidative properties rather than through previously reported metabolic effects. Our findings implicate that mitochondrial ROS production and the accompanying organelle disintegration are essential for mediating oxidative cell death initiated through lipid peroxidation in ferroptosis.
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Affiliation(s)
- Melanie Merkel
- Institute of Pharmacology and Clinical Pharmacy, Philipps-University Marburg, Karl-von-Frisch-Str. 2, 35043 Marburg, Germany;
- Marburg Center of Mind, Brain, and Behavior—CMBB, Hans-Meerwein-Straße 6, 35032 Marburg, Germany; (M.B.); (A.A.); (V.M.)
| | - Bjarne Goebel
- Institute of Pharmaceutical Chemistry, Goethe-University Frankfurt, Max-von-Laue-Str. 9, 60439 Frankfurt, Germany; (B.G.); (D.S.)
| | - Moritz Boll
- Marburg Center of Mind, Brain, and Behavior—CMBB, Hans-Meerwein-Straße 6, 35032 Marburg, Germany; (M.B.); (A.A.); (V.M.)
| | - Aasha Adhikari
- Marburg Center of Mind, Brain, and Behavior—CMBB, Hans-Meerwein-Straße 6, 35032 Marburg, Germany; (M.B.); (A.A.); (V.M.)
| | - Viktoria Maurer
- Marburg Center of Mind, Brain, and Behavior—CMBB, Hans-Meerwein-Straße 6, 35032 Marburg, Germany; (M.B.); (A.A.); (V.M.)
| | - Dieter Steinhilber
- Institute of Pharmaceutical Chemistry, Goethe-University Frankfurt, Max-von-Laue-Str. 9, 60439 Frankfurt, Germany; (B.G.); (D.S.)
| | - Carsten Culmsee
- Institute of Pharmacology and Clinical Pharmacy, Philipps-University Marburg, Karl-von-Frisch-Str. 2, 35043 Marburg, Germany;
- Marburg Center of Mind, Brain, and Behavior—CMBB, Hans-Meerwein-Straße 6, 35032 Marburg, Germany; (M.B.); (A.A.); (V.M.)
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22
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Di Giacomo C, Malfa GA, Tomasello B, Bianchi S, Acquaviva R. Natural Compounds and Glutathione: Beyond Mere Antioxidants. Antioxidants (Basel) 2023; 12:1445. [PMID: 37507985 PMCID: PMC10376414 DOI: 10.3390/antiox12071445] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 07/14/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
The tripeptide glutathione plays important roles in many cell processes, including differentiation, proliferation, and apoptosis; in fact, disorders in glutathione homeostasis are involved both in the etiology and in the progression of several human diseases, including cancer. Natural compounds have been found to modulate glutathione levels and function beyond their role as mere antioxidants. For example, certain compounds can upregulate the expression of glutathione-related enzymes, increase the availability of cysteine, the limiting amino acid for glutathione synthesis, or directly interact with glutathione and modulate its function. These compounds may have therapeutic potential in a variety of disease states where glutathione dysregulation is a contributing factor. On the other hand, flavonoids' potential to deplete glutathione levels could be significant for cancer treatment. Overall, while natural compounds may have potential therapeutic and/or preventive properties and may be able to increase glutathione levels, more research is needed to fully understand their mechanisms of action and their potential benefits for the prevention and treatment of several diseases. In this review, particular emphasis will be placed on phytochemical compounds belonging to the class of polyphenols, terpenoids, and glucosinolates that have an impact on glutathione-related processes, both in physiological and pathological conditions. These classes of secondary metabolites represent the most food-derived bioactive compounds that have been intensively explored and studied in the last few decades.
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Affiliation(s)
- Claudia Di Giacomo
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
- Research Centre on Nutraceuticals and Health Products (CERNUT), University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Giuseppe Antonio Malfa
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
- Research Centre on Nutraceuticals and Health Products (CERNUT), University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Barbara Tomasello
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
- Research Centre on Nutraceuticals and Health Products (CERNUT), University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Simone Bianchi
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
- Research Centre on Nutraceuticals and Health Products (CERNUT), University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Rosaria Acquaviva
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
- Research Centre on Nutraceuticals and Health Products (CERNUT), University of Catania, Viale A. Doria 6, 95125 Catania, Italy
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23
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Cai L, Han XY, Li D, Ma DM, Shi YM, Lu Y, Yang J. Analysis of N6-methyladenosine-modified mRNAs in diabetic cataract. World J Diabetes 2023; 14:1077-1090. [PMID: 37547588 PMCID: PMC10401451 DOI: 10.4239/wjd.v14.i7.1077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 03/27/2023] [Accepted: 04/27/2023] [Indexed: 07/12/2023] Open
Abstract
BACKGROUND Cataracts remain a prime reason for visual disturbance and blindness all over the world, despite the capacity for successful surgical replacement with artificial lenses. Diabetic cataract (DC), a metabolic complication, usually occurs at an earlier age and progresses faster than age-related cataracts. Evidence has linked N6-methyladenosine (m6A) to DC progression. However, there exists a lack of understanding regarding RNA m6A modifications and the role of m6A in DC pathogenesis.
AIM To elucidate the role played by altered m6A and differentially expressed mRNAs (DEmRNAs) in DC.
METHODS Anterior lens capsules were collected from the control subjects and patients with DC. M6A epitranscriptomic microarray was performed to investigate the altered m6A modifications and determine the DEmRNAs. Through Gene Ontology and pathway enrichment (Kyoto Encyclopedia of Genes and Genomes) analyses, the potential role played by dysregulated m6A modification was predicted. Real-time polymerase chain reaction was further carried out to identify the dysregulated expression of RNA methyltransferases, demethylases, and readers.
RESULTS Increased m6A abundance levels were found in the total mRNA of DC samples. Bioinformatics analysis predicted that ferroptosis pathways could be associated with m6A-modified mRNAs. The levels of five methylation-related genes-RBM15, WTAP, ALKBH5, FTO, and YTHDF1-were upregulated in DC samples. Upregulation of RBM15 expression was verified in SRA01/04 cells with high-glucose medium and in samples from DC patients.
CONCLUSION M6a mRNA modifications may be involved in DC progression via the ferroptosis pathway, rendering novel insights into therapeutic strategies for DC.
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Affiliation(s)
- Lei Cai
- Department of Ophthalmology, Eye, Ear, Nose, and Throat Hospital of Fudan University, Shanghai 200031, China
- Key Laboratory of Myopia, Ministry of Health, Shanghai 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai 200031, China
- Visual Rehabilitation Professional Committee, Chinese Association of Rehabilitation Medicine, Shanghai 200031, China
| | - Xiao-Yan Han
- Department of Ophthalmology, Eye, Ear, Nose, and Throat Hospital of Fudan University, Shanghai 200031, China
- Key Laboratory of Myopia, Ministry of Health, Shanghai 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai 200031, China
- Visual Rehabilitation Professional Committee, Chinese Association of Rehabilitation Medicine, Shanghai 200031, China
| | - Dan Li
- Department of Ophthalmology, Eye, Ear, Nose, and Throat Hospital of Fudan University, Shanghai 200031, China
- Key Laboratory of Myopia, Ministry of Health, Shanghai 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai 200031, China
- Visual Rehabilitation Professional Committee, Chinese Association of Rehabilitation Medicine, Shanghai 200031, China
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200031, China
| | - Dong-Mei Ma
- Department of Ophthalmology, Eye, Ear, Nose, and Throat Hospital of Fudan University, Shanghai 200031, China
- Key Laboratory of Myopia, Ministry of Health, Shanghai 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai 200031, China
- Visual Rehabilitation Professional Committee, Chinese Association of Rehabilitation Medicine, Shanghai 200031, China
| | - Yu-Meng Shi
- Department of Ophthalmology, Eye, Ear, Nose, and Throat Hospital of Fudan University, Shanghai 200031, China
- Key Laboratory of Myopia, Ministry of Health, Shanghai 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai 200031, China
- Visual Rehabilitation Professional Committee, Chinese Association of Rehabilitation Medicine, Shanghai 200031, China
| | - Yi Lu
- Department of Ophthalmology, Eye, Ear, Nose, and Throat Hospital of Fudan University, Shanghai 200031, China
- Key Laboratory of Myopia, Ministry of Health, Shanghai 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai 200031, China
- Visual Rehabilitation Professional Committee, Chinese Association of Rehabilitation Medicine, Shanghai 200031, China
| | - Jin Yang
- Department of Ophthalmology, Eye, Ear, Nose, and Throat Hospital of Fudan University, Shanghai 200031, China
- Key Laboratory of Myopia, Ministry of Health, Shanghai 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai 200031, China
- Visual Rehabilitation Professional Committee, Chinese Association of Rehabilitation Medicine, Shanghai 200031, China
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24
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Wei M, Liu X, Tan Z, Tian X, Li M, Wei J. Ferroptosis: a new strategy for Chinese herbal medicine treatment of diabetic nephropathy. Front Endocrinol (Lausanne) 2023; 14:1188003. [PMID: 37361521 PMCID: PMC10289168 DOI: 10.3389/fendo.2023.1188003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 05/23/2023] [Indexed: 06/28/2023] Open
Abstract
Diabetic nephropathy (DN) is a serious microvascular complication of diabetes. It has become a leading cause of death in patients with diabetes and end-stage renal disease. Ferroptosis is a newly discovered pattern of programmed cell death. Its main manifestation is the excessive accumulation of intracellular iron ion-dependent lipid peroxides. Recent studies have shown that ferroptosis is an important driving factor in the onset and development of DN. Ferroptosis is closely associated with renal intrinsic cell (including renal tubular epithelial cells, podocytes, and mesangial cells) damage in diabetes. Chinese herbal medicine is widely used in the treatment of DN, with a long history and definite curative effect. Accumulating evidence suggests that Chinese herbal medicine can modulate ferroptosis in renal intrinsic cells and show great potential for improving DN. In this review, we outline the key regulators and pathways of ferroptosis in DN and summarize the herbs, mainly monomers and extracts, that target the inhibition of ferroptosis.
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Affiliation(s)
- Maoying Wei
- Department of Endocrinology, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xingxing Liu
- Department of Emergency, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Zhijuan Tan
- Department of Traditional Chinese Medicine, The Seventh Hospital of Xingtai, Xingtai, Heibei, China
| | - Xiaochan Tian
- Department of Endocrinology, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Mingdi Li
- Department of Endocrinology, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Junping Wei
- Department of Endocrinology, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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25
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Gomes KK, dos Santos AB, dos Anjos JS, Leandro LP, Mariano MT, Pinheiro FL, Farina M, Franco JL, Posser T. Increased Iron Levels and Oxidative Stress Mediate Age-Related Impairments in Male and Female Drosophila melanogaster. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:7222462. [PMID: 37333463 PMCID: PMC10275690 DOI: 10.1155/2023/7222462] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 04/27/2023] [Accepted: 05/25/2023] [Indexed: 06/20/2023]
Abstract
Aging is characterized by a functional decline in the physiological functions and organic systems, causing frailty, illness, and death. Ferroptosis is an iron- (Fe-) dependent regulated cell death, which has been implicated in the pathogenesis of several disorders, such as cardiovascular and neurological diseases. The present study investigated behavioral and oxidative stress parameters over the aging of Drosophila melanogaster that, together with augmented Fe levels, indicate the occurrence of ferroptosis. Our work demonstrated that older flies (30-day-old) of both sexes presented impaired locomotion and balance when compared with younger flies (5-day-old). Older flies also produced higher reactive oxygen species (ROS) levels, decreased glutathione levels (GSH), and increased lipid peroxidation. In parallel, Fe levels were augmented in the fly's hemolymph. The GSH depletion with diethyl maleate potentiated the behavioral damage associated with age. Our data demonstrated biochemical effects that characterize the occurrence of ferroptosis over the age of D. melanogaster and reports the involvement of GSH in the age-associated damages, which could be in part attributed to the augmented levels of Fe.
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Affiliation(s)
- Karen Kich Gomes
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Research Center on Biotechnology-CIPBIOTEC, Universidade Federal do Pampa, Campus São Gabriel, RS, Brazil
| | - Ana Beatriz dos Santos
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Research Center on Biotechnology-CIPBIOTEC, Universidade Federal do Pampa, Campus São Gabriel, RS, Brazil
| | - Jaciana Sousa dos Anjos
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Research Center on Biotechnology-CIPBIOTEC, Universidade Federal do Pampa, Campus São Gabriel, RS, Brazil
| | - Luana Paganotto Leandro
- Department of Chemistry, Post Graduate Program in Toxicological Biochemistry, Universidade Federal de Santa Maria, RS, Brazil
| | - Maria Takemura Mariano
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Research Center on Biotechnology-CIPBIOTEC, Universidade Federal do Pampa, Campus São Gabriel, RS, Brazil
| | - Felipe Lima Pinheiro
- Paleontology Laboratory, Federal University of Pampa, Campus São Gabriel, RS, Brazil
| | - Marcelo Farina
- Department of Biochemistry, Federal University of Santa Catarina, Florianopolis, 88040-900 Santa Catarina, Brazil
| | - Jeferson Luis Franco
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Research Center on Biotechnology-CIPBIOTEC, Universidade Federal do Pampa, Campus São Gabriel, RS, Brazil
- Department of Chemistry, Post Graduate Program in Toxicological Biochemistry, Universidade Federal de Santa Maria, RS, Brazil
| | - Thais Posser
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Research Center on Biotechnology-CIPBIOTEC, Universidade Federal do Pampa, Campus São Gabriel, RS, Brazil
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26
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Du R, Cheng X, Ji J, Lu Y, Xie Y, Wang W, Xu Y, Zhang Y. Mechanism of ferroptosis in a rat model of premature ovarian insufficiency induced by cisplatin. Sci Rep 2023; 13:4463. [PMID: 36932163 PMCID: PMC10023701 DOI: 10.1038/s41598-023-31712-7] [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: 01/07/2023] [Accepted: 03/16/2023] [Indexed: 03/19/2023] Open
Abstract
Ferroptosis is widely present in fibrosis-related diseases. The basic pathology of premature ovarian insufficiency (POI) involves ovarian tissue fibrosis, and there are currently fewer relevant studies addressing the association between ferroptosis and POI. This study aimed to demonstrate that ferroptosis induced by cisplatin (CDDP) caused ovarian tissue fibrosis, leading to POI. Vitamin E (VE), a ferroptosis inhibitor, could repair damaged ovarian function. CDDP was used to establish a rat model of POI, and VE was administered to reverse the reproductive toxicity of CDDP. Ovarian function was assessed by histological section staining, follicle counts, sex hormone levels, as well as fertility assays. The extent of ferroptosis was assessed by transmission electron microscopy (TEM), malondialdehyde (MDA), Perls staining. CCK-8, Ethynyl-2-Deoxyuridine (EdU), and scratch assays were used to determine the effect of CDDP and VE on ovarian granulosa cell (GC) viability. Western blot, quantitative reverse-transcription polymerase chain reaction (qRT-PCR) and immunohistochemistry were performed to evaluate ferroptosis-related molecular changes. Our results showed that CDDP caused follicle development disorders and ovarian tissue fibrosis, the levels of sex hormones suggested impaired ovarian function, and VE could reverse the reproductive toxicity of CDDP. The results of TEM, MDA and Perls staining suggested that the typical mitochondrial signature of ferroptosis was altered in ovarian GCs from the CDDP group, with significantly higher levels of lipid peroxidation and significant iron deposition in ovarian tissue, whereas VE mitigated the extent of ferroptosis. Molecular experiments then confirmed that the ferroptosis-related molecules acetyl CoA synthetase long chain family member 4 (ACSl4), 15-lipoxygenase-1 (ALOX15), solute carrier family 7 member 11 (SLC7A11), and glutathione peroxidase 4 (GPX4) were differentially expressed in each group. In summary, our study preliminarily demonstrated that CDDP may promote GCs to undergo ferroptosis, cause follicle development disorders, ovarian tissue fibrosis, and induce POI by regulating the expression of ACSl4, ALOX15, SLC7A11, and GPX4, while VE improved impaired ovarian function.
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Grants
- MS12021003, KYCX20_2799, KYCX21_3118 XiCheng
- MS12021003, KYCX20_2799, KYCX21_3118 XiCheng
- MS12021003, KYCX20_2799, KYCX21_3118 XiCheng
- MS12021003, KYCX20_2799, KYCX21_3118 XiCheng
- MS12021003, KYCX20_2799, KYCX21_3118 XiCheng
- MS12021003, KYCX20_2799, KYCX21_3118 XiCheng
- MS12021003, KYCX20_2799, KYCX21_3118 XiCheng
- BE2018672 Yuquan Zhang
- BE2018672 Yuquan Zhang
- BE2018672 Yuquan Zhang
- BE2018672 Yuquan Zhang
- BE2018672 Yuquan Zhang
- BE2018672 Yuquan Zhang
- BE2018672 Yuquan Zhang
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Affiliation(s)
- Rong Du
- Department of Obstetrics and Gynecology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu Province, 226001, China
| | - Xi Cheng
- Department of Obstetrics and Gynecology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu Province, 226001, China
| | - Jingjing Ji
- Department of Obstetrics and Gynecology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu Province, 226001, China
| | - Yang Lu
- Department of Orthopedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu Province, 226001, China
| | - Yuanyuan Xie
- Department of Obstetrics and Gynecology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu Province, 226001, China
| | - Weina Wang
- Department of Obstetrics and Gynecology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu Province, 226001, China
| | - Yanhua Xu
- Department of Obstetrics and Gynecology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, Jiangsu Province, 226001, China
| | - Yuquan Zhang
- Department of Obstetrics and Gynecology, Affiliated Hospital of Nantong University, No.20, Xisi Road, Nantong, Jiangsu Province, 226001, China.
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27
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Inhibiting NLRP3 Inflammasome Activation by CY-09 Helps to Restore Cerebral Glucose Metabolism in 3×Tg-AD Mice. Antioxidants (Basel) 2023; 12:antiox12030722. [PMID: 36978970 PMCID: PMC10045645 DOI: 10.3390/antiox12030722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/06/2023] [Accepted: 03/08/2023] [Indexed: 03/17/2023] Open
Abstract
The reduction of the cerebral glucose metabolism is closely related to the activation of the NOD-like receptor protein 3 (NLRP3) inflammasome in Alzheimer’s disease (AD); however, its underlying mechanism remains unclear. In this paper, 18F-flurodeoxyglucose positron emission tomography was used to trace cerebral glucose metabolism in vivo, along with Western blotting and immunofluorescence assays to examine the expression and distribution of associated proteins. Glucose and insulin tolerance tests were carried out to detect insulin resistance, and the Morris water maze was used to test the spatial learning and memory ability of the mice. The results show increased NLRP3 inflammasome activation, elevated insulin resistance, and decreased glucose metabolism in 3×Tg-AD mice. Inhibiting NLRP3 inflammasome activation using CY-09, a specific inhibitor for NLRP3, may restore cerebral glucose metabolism by increasing the expression and distribution of glucose transporters and enzymes and attenuating insulin resistance in AD mice. Moreover, CY-09 helps to improve AD pathology and relieve cognitive impairment in these mice. Although CY-09 has no significant effect on ferroptosis, it can effectively reduce fatty acid synthesis and lipid peroxidation. These findings provide new evidence for NLRP3 inflammasome as a therapeutic target for AD, suggesting that CY-09 may be a potential drug for the treatment of this disease.
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28
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Nassar AY, Meligy FY, Abd-Allah GM, Khallil WA, Sayed GA, Hanna RT, Nassar GA, Bakkar SM. Oral acetylated whey peptides (AWP) as a potent antioxidant, anti-inflammatory, and chelating agent in iron-overloaded rats' spleen. J Funct Foods 2023. [DOI: 10.1016/j.jff.2023.105444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
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29
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Dai W, Pang X, Peng W, Zhan X, Chen C, Zhao W, Zeng C, Mei Q, Chen Q, Kuang W, Gou Z, Hu X. Liver Protection of a Low-Polarity Fraction from Ficus pandurata Hance, Prepared by Supercritical CO 2 Fluid Extraction, on CCl 4-Induced Acute Liver Injury in Mice via Inhibiting Apoptosis and Ferroptosis Mediated by Strengthened Antioxidation. Molecules 2023; 28:molecules28052078. [PMID: 36903326 PMCID: PMC10004706 DOI: 10.3390/molecules28052078] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/11/2023] [Accepted: 02/13/2023] [Indexed: 02/25/2023] Open
Abstract
Ficus pandurata Hance (FPH) is a Chinese herbal medicine widely used for health care. This study was designed to investigate the alleviation efficacy of the low-polarity ingredients of FPH (FPHLP), prepared by supercritical CO2 fluid extraction technology, against CCl4-induced acute liver injury (ALI) in mice and uncover its underlying mechanism. The results showed that FPHLP had a good antioxidative effect determined by the DPPH free radical scavenging activity test and T-AOC assay. The in vivo study showed that FPHLP dose-dependently protected against liver damage via detection of ALT, AST, and LDH levels and changes in liver histopathology. The antioxidative stress properties of FPHLP suppressed ALI by increasing levels of GSH, Nrf2, HO-1, and Trx-1 and reducing levels of ROS and MDA and the expression of Keap1. FPHLP significantly reduced the level of Fe2+ and expression of TfR1, xCT/SLC7A11, and Bcl2, while increasing the expression of GPX4, FTH1, cleaved PARP, Bax, and cleaved caspase 3. The results demonstrated that FPHLP protected mouse liver from injury induced by CCl4 via suppression of apoptosis and ferroptosis. This study suggests that FPHLP can be used for liver damage protection in humans, which strongly supports its traditional use as a herbal medicine.
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Affiliation(s)
- Weibo Dai
- Pharmacology Laboratory, Zhongshan Hospital, Guangzhou University of Chinese Medicine, Zhongshan 528401, China
| | - Xiaoyan Pang
- Pharmacology Laboratory, Zhongshan Hospital, Guangzhou University of Chinese Medicine, Zhongshan 528401, China
| | - Weiwen Peng
- Pharmacology Laboratory, Zhongshan Hospital, Guangzhou University of Chinese Medicine, Zhongshan 528401, China
| | - Xinyi Zhan
- Pharmacology Laboratory, Zhongshan Hospital, Guangzhou University of Chinese Medicine, Zhongshan 528401, China
| | - Chang Chen
- Pharmacology Laboratory, Zhongshan Hospital, Guangzhou University of Chinese Medicine, Zhongshan 528401, China
| | - Wenchang Zhao
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, And School of Pharmacy, Guangdong Medical University, Dongguan 523808, China
| | - Congyan Zeng
- Pharmacology Laboratory, Zhongshan Hospital, Guangzhou University of Chinese Medicine, Zhongshan 528401, China
| | - Quanxi Mei
- Pharmacology Laboratory, Zhongshan Hospital, Guangzhou University of Chinese Medicine, Zhongshan 528401, China
- Shenzhen Baoan Authentic TCM Therapy Hospital, Shenzhen 518101, China
| | - Qilei Chen
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong 999077, China
| | - Weihong Kuang
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, And School of Pharmacy, Guangdong Medical University, Dongguan 523808, China
- Correspondence: (W.K.); (X.H.)
| | - Zhanping Gou
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, And School of Pharmacy, Guangdong Medical University, Dongguan 523808, China
| | - Xianjing Hu
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, And School of Pharmacy, Guangdong Medical University, Dongguan 523808, China
- Dongguan Key Laboratory of Chronic Inflammatory Diseases, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523121, China
- Correspondence: (W.K.); (X.H.)
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Liu M, Yu K, Lian W, Zhou N, Wu C, Bao J. G-Quadruplex Structures as a "Switch" Regulate ATF4 Expression in Ferroptotic HepG2 Cells. ACS Chem Biol 2023; 18:273-284. [PMID: 36722101 DOI: 10.1021/acschembio.2c00615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
G-quadruplex (G4) is a noncanonical structure folded in a widespread manner by guanine-rich tandem repeated sequences. As a key response factor, activating transcription factor 4 (ATF4) has dual functions in managing iron-dependent ferroptosis by regulating amino acid synthesis and antioxidant-related gene expression. In our study, the activity of ATF4 expression was elevated in HepG2 cells induced by erastin. Based on preliminary bioinformatics analyses, the G-tract region, named WT, had high potential to form G4, and it was found that PDS could markedly weaken the increase of ATF4 expression by reducing the sensitivity of HepG2 cells toward erastin. In circular dichroism spectra, WT oligonucleotides showed characteristic molar ellipticity at specific wavelengths of parallel G4 structures, while corresponding single-base mutants possessed a weaker ability to form G4, which were consistent with immunostaining results. In addition, endogenous G4 formed by the WT motif was significantly destroyed in HepG2 cells treated with erastin. After being transfected with WT oligonucleotides, the levels of ATF4 mRNA decreased significantly regardless of being treated with erastin or not. Meanwhile, mutations of G-tracts could advantageously impact the luciferase expression downstream of an ATF4 promoter in reporter assays, manifesting that the decrease of endogenous G4 in the ATF4 promoter was positively associated with the expression enhanced by erastin in HepG2 cells.
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Affiliation(s)
- Miaomiao Liu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Kangkang Yu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Weishao Lian
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Nan Zhou
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Chuanfang Wu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, China
| | - Jinku Bao
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan 610065, 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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Sahoo K, Sharma A. Understanding the mechanistic roles of environmental heavy metal stressors in regulating ferroptosis: adding new paradigms to the links with diseases. Apoptosis 2023; 28:277-292. [PMID: 36611106 DOI: 10.1007/s10495-022-01806-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2022] [Indexed: 01/09/2023]
Abstract
Ferroptosis is a new type of iron-dependent cell death induced by a failure of the lipid repair protein GPX4 or the Xc- antiporter, which is essential for glutathione production. Some heavy metals such as arsenic (As), cobalt (Co), cadmium (Cd), iron (Fe), magnesium (Mg), manganese (Mn), nickel (Ni), mercury (Hg) as well as zinc (Zn) are shown to induce ferroptotic cell death involving the generation of oxidative stress, mitochondrial dysfunctioning, lipid peroxidation, and several other cellular etiologies. However, selenium (Se) treatment has been shown to enhance adaptive transcription responses to protect cells from ferroptosis. Heavy metals like Cadmium exposure activated ALK4/5 signaling via Smad3 and Akt signaling which leads to cell death mechanism. Continuous exposure to a small dose of mercury can damage tissues, and methylmercury bind to sulfhydryl proteins and GSH, this elevates oxidative stress, free radical accumulation, glutathione depletion, mitochondrial damage, and inhibited the nuclear factor-κB pathway which leads to ferroptotic cell death. Animals exposed to nickel and cobalt may have increased lipid peroxidation which can induce ferroptosis. Glutathione depletion is caused by Zn intoxication and exposure to manganese. These metals are systemic toxins that have been shown adverse effects on humans. Ferroptosis has recently been related to several pathological disorders, including, Alzheimer's disease, Parkinson's disease, Huntington's disease, as well as cardiovascular disease, and any type of cancer. For these disorders and some heavy metal toxicity, ferroptosis suppression needs to be looked upon as a promising therapeutic choice.
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Affiliation(s)
- Kumudini Sahoo
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Bijnor-Sisendi Road, Post Office Mati, Lucknow, 226002, India.,School of Pharmacy and Life Sciences, Centurion University of Technology and Management, Bhubaneswar, Odisha, India
| | - Ankita Sharma
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research-Raebareli, Bijnor-Sisendi Road, Post Office Mati, Lucknow, 226002, India.
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Li Z, Li D, Chen R, Gao S, Xu Z, Li N. Cell death regulation: A new way for natural products to treat osteoporosis. Pharmacol Res 2023; 187:106635. [PMID: 36581167 DOI: 10.1016/j.phrs.2022.106635] [Citation(s) in RCA: 39] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 12/11/2022] [Accepted: 12/24/2022] [Indexed: 12/27/2022]
Abstract
Osteoporosis is a common metabolic bone disease that results from the imbalance of homeostasis within the bone. Intra-bone homeostasis is dependent on a precise dynamic balance between bone resorption by osteoclasts and bone formation by mesenchymal lineage osteoblasts, which comprises a series of complex and highly standardized steps. Programmed cell death (PCD) (e.g., apoptosis, autophagy, ferroptosis, pyroptosis, and necroptosis) is a cell death process that involves a cascade of gene expression events with tight structures. These events play a certain role in regulating bone metabolism by determining the fate of bone cells. Moreover, existing research has suggested that natural products derived from a wide variety of dietary components and medicinal plants modulate the PCDs based on different mechanisms, which show great potential for the prevention and treatment of osteoporosis, thus revealing the emergence of more acceptable complementary and alternative drugs with lower costs, fewer side effects and more long-term application. Accordingly, this review summarizes the common types of PCDs in the field of osteoporosis. Moreover, from the perspective of targeting PCDs, this review also discussed the roles of currently reported natural products in the treatment of osteoporosis and the involved mechanisms. Based on this, this review provides more insights into new molecular mechanisms of osteoporosis and provides a reference for developing more natural anti-osteoporosis drugs in the future.
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Affiliation(s)
- Zhichao Li
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250014, China
| | - Dandan Li
- College of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese Medicine, Shijiazhuang 050011, China
| | - Renchang Chen
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250014, China
| | - Shang Gao
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250014, China
| | - Zhanwang Xu
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250014, China; Department of Orthopedics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250014, China
| | - Nianhu Li
- First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250014, China; Department of Orthopedics, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250014, China.
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Ferroptosis inhibition by deferiprone, attenuates myelin damage and promotes neuroprotection in demyelinated optic nerve. Sci Rep 2022; 12:19630. [PMID: 36385152 PMCID: PMC9668997 DOI: 10.1038/s41598-022-24152-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 11/10/2022] [Indexed: 11/17/2022] Open
Abstract
Multiple sclerosis (MS) is a chronic inflammatory disease, which leads to focal demyelination in the brain and spinal cord. Studies showed that iron released during the course of myelin breakdown exacerbates tissue damage, which is in agreement with the features of iron-dependent cell death, ferroptosis. Here, we aimed to investigate the possible contribution of ferroptosis in the demyelinated optic nerve, and to explore the effectiveness of ferroptosis inhibitor, deferiprone (DFP), on the extent of demyelination, inflammation and axonal damage. For this purpose, focal demyelination was induced by injection of lysolecithin (LPC), into the optic nerve of male C57BL/6J mice. Afterward, optic nerves were harvested at different time points from as early as 6 h up to 7 days post-LPC injection. Next, to evaluate the effectiveness of DFP two groups of animals received daily intraperitoneal injection of DFP for 3 or 7 continuous days. Vehicle groups received saline. Iron deposition was observed at different time points post-LPC injection from 6 h to 7 days post injection. Examining ferroptosis markers showed a significant reduction in glutathione content along with increased level of malondialdehyde and upregulated ferroptosis marker genes at early time points after injection. Besides, DFP treatment during the inflammatory phase of the model resulted in decreased microgliosis and inflammation. Reduced demyelination, microgliosis and astrogliosis was shown in mice that received DFP for 7 days. Moreover, DFP protected against axonal damage and retinal ganglion cells loss. Our results suggest the possible contribution of ferroptosis pathway in the process of demyelination. The therapeutic strategies targeting iron deposition, e.g. DFP treatment might thus represent a promising therapeutic target for patients with MS.
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Villalón-García I, Povea-Cabello S, Álvarez-Córdoba M, Talaverón-Rey M, Suárez-Rivero JM, Suárez-Carrillo A, Munuera-Cabeza M, Reche-López D, Cilleros-Holgado P, Piñero-Pérez R, Sánchez-Alcázar JA. Vicious cycle of lipid peroxidation and iron accumulation in neurodegeneration. Neural Regen Res 2022; 18:1196-1202. [PMID: 36453394 PMCID: PMC9838166 DOI: 10.4103/1673-5374.358614] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Lipid peroxidation and iron accumulation are closely associated with neurodegenerative diseases, such as Alzheimer's, Parkinson's, and Huntington's diseases, or neurodegeneration with brain iron accumulation disorders. Mitochondrial dysfunction, lipofuscin accumulation, autophagy disruption, and ferroptosis have been implicated as the critical pathomechanisms of lipid peroxidation and iron accumulation in these disorders. Currently, the connection between lipid peroxidation and iron accumulation and the initial cause or consequence in neurodegeneration processes is unclear. In this review, we have compiled the known mechanisms by which lipid peroxidation triggers iron accumulation and lipofuscin formation, and the effect of iron overload on lipid peroxidation and cellular function. The vicious cycle established between both pathological alterations may lead to the development of neurodegeneration. Therefore, the investigation of these mechanisms is essential for exploring therapeutic strategies to restrict neurodegeneration. In addition, we discuss the interplay between lipid peroxidation and iron accumulation in neurodegeneration, particularly in PLA2G6-associated neurodegeneration, a rare neurodegenerative disease with autosomal recessive inheritance, which belongs to the group of neurodegeneration with brain iron accumulation disorders.
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Affiliation(s)
- Irene Villalón-García
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Suleva Povea-Cabello
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Mónica Álvarez-Córdoba
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Marta Talaverón-Rey
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Juan M. Suárez-Rivero
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Alejandra Suárez-Carrillo
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Manuel Munuera-Cabeza
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Diana Reche-López
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Paula Cilleros-Holgado
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Rocío Piñero-Pérez
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - José A. Sánchez-Alcázar
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain,Correspondence to: José A. Sánchez-Alcázar, MD, PhD, .
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Li Y, Guo Z, Xu T, Zhang Y, Zeng L, Huang X, Liu Q. Extracellular vesicles, a novel model linking bacteria to ferroptosis in the future? Appl Microbiol Biotechnol 2022; 106:7377-7386. [PMID: 36216901 DOI: 10.1007/s00253-022-12228-y] [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: 07/22/2022] [Revised: 10/03/2022] [Accepted: 10/04/2022] [Indexed: 11/29/2022]
Abstract
Ferroptosis is a recently discovered modulated cell death mechanism caused by the accumulation of iron-dependent lipid peroxides to toxic levels and plays an important role in tumor immunology and neurology. Recent studies have shown that ferroptosis may play a crucial role in bacterial infection pathogenesis, which may be useful in anti-infection therapies. However, how bacteria enter cells to induce ferroptosis after invading the host immune system remains largely unknown. In addition, the current studies only focus on the relationship between a single bacterial species or genus and host cell ferroptosis, and there is no systematic summary of its regulatory mechanism. Therefore, our review firstly sums up the role of ferroptosis in bacterial infection and its regulatory mechanism, and innovatively speculates on the function and potential mechanism of extracellular vesicles (EVs) in bacterial-induced ferroptosis, in order to provide possible novel directions and ideas for future anti-infection research. KEY POINTS: • Ferroptosis presents a novel mechanism for bacterial host interaction • EVs provide the potential mechanism for bacterial-induced ferroptosis • The relationship of EVs with ferroptosis provides possible directions for future treatment of bacterial infection.
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Affiliation(s)
- Yi Li
- Department of Medical Microbiology, School of Medicine, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China.,The First Clinical Medical College, Nanchang University, Nanchang, 30006, China
| | - Zhicheng Guo
- Department of Medical Microbiology, School of Medicine, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China.,The First Clinical Medical College, Nanchang University, Nanchang, 30006, China
| | - Tian Xu
- Department of Medical Microbiology, School of Medicine, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China
| | - Yejia Zhang
- Department of Medical Microbiology, School of Medicine, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China
| | - Lingbing Zeng
- Department of Medical Microbiology, School of Medicine, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China.,The First Clinical Medical College, Nanchang University, Nanchang, 30006, China
| | - Xiaotian Huang
- Department of Medical Microbiology, School of Medicine, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China.
| | - Qiong Liu
- Department of Medical Microbiology, School of Medicine, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China.
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Wang J, Zhu Q, Li R, Zhang J, Ye X, Li X. YAP1 protects against septic liver injury via ferroptosis resistance. Cell Biosci 2022; 12:163. [PMID: 36182901 PMCID: PMC9526934 DOI: 10.1186/s13578-022-00902-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 09/19/2022] [Indexed: 11/06/2022] Open
Abstract
Background The liver plays crucial roles in sepsis and is one of the major targets for sepsis-related injuries. Ferroptosis, a newly emerged form of lytic cell death, has been implicated in sepsis related organ failure. Yes-associated protein1 (YAP1), a key regulator of the Hippo signaling pathway, may be involved in ferroptosis development. This study aimed to elucidate the role of YAP1 in septic liver injury through regulating ferroptosis, especially ferritinophagy-mediated ferroptosis. Results Cecal ligation and puncture (CLP) models were constructed in control (Yap1flfl) and liver-conditional knockout mice (Yap1fl/fl Alb-Cre) to induce septic liver injury, while LO2 cells with or without YAP1 overexpression/deletion were stimulated by lipopolysaccharide (LPS) in vitro. Our study showed YAP1 knockdown aggravated CLP-induced liver injury and inflammation, as well as accelerated hepatocyte ferroptosis, revealed by down-regulated expression of GPX4, FTH1 and SLC7A11, along with up-regulated expression of SFXN1 and NCOA4. Consistently, YAP1 deficiency aggravated LO2 cells ferroptosis, but YAP1 overexpression alleviated LPS-induced LO2 ferritinophagy, as evidenced by reduced mitochondrial ROS and Fe2+, along with down-regulated expression of SFXN1 and NCOA4. Further co-IP assay verified that YAP1 disrupted the interaction between NCOA4 and FTH1, thus prevent the degradation of ferritin to Fe2+, further reduced the ROS production and suppressed ferroptosis. Conclusion YAP1 inhibits ferritinophagy-mediated ferroptosis in hepatocytes, and YAP1 deficiency aggravates sepsis-induced liver injury. Supplementary Information The online version contains supplementary material available at 10.1186/s13578-022-00902-7.
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Affiliation(s)
- Jin Wang
- grid.413247.70000 0004 1808 0969Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei China
| | - Qian Zhu
- grid.413247.70000 0004 1808 0969Department of Hepatobiliary and Pancreatic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, Hubei China
| | - Rui Li
- grid.413247.70000 0004 1808 0969Department of Geriatrics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei China
| | - Jing Zhang
- grid.413247.70000 0004 1808 0969Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei China
| | - Xujun Ye
- grid.413247.70000 0004 1808 0969Department of Geriatrics, Zhongnan Hospital of Wuhan University, Wuhan, Hubei China
| | - Xinyi Li
- grid.413247.70000 0004 1808 0969Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei China
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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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Wang Z, Li H, Zhou W, Lee J, Liu Z, An Z, Xu D, Mo H, Hu L, Zhou X. Ferrous sulfate-loaded hydrogel cures Staphylococcus aureus infection via facilitating a ferroptosis-like bacterial cell death in a mouse keratitis model. Biomaterials 2022; 290:121842. [DOI: 10.1016/j.biomaterials.2022.121842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 09/02/2022] [Accepted: 09/27/2022] [Indexed: 11/02/2022]
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N(6)-methyladenosine modification: A vital role of programmed cell death in myocardial ischemia/reperfusion injury. Int J Cardiol 2022; 367:11-19. [PMID: 36002042 DOI: 10.1016/j.ijcard.2022.08.042] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 07/08/2022] [Accepted: 08/19/2022] [Indexed: 11/20/2022]
Abstract
N(6)-methyladenosine (m6A) modification is closely associated with myocardial ischemia/reperfusion injury (MIRI). As the most common modification among RNA modifications, the reversible m6A modification is processed by methylase ("writers") and demethylase ("erasers"). The biological effects of RNA modified by m6A are regulated under the corresponding RNA binding proteins (RBPs) ("readers"). m6A modification regulates the whole process of RNA, including transcription, processing, splicing, nuclear export, stability, degradation, and translation. Programmed cell death (PCD) is a regulated mechanism that maintains the internal environment's stability. PCD plays an essential role in MIRI, including apoptosis, autophagy, pyroptosis, ferroptosis, and necroptosis. However, the relationship between PCD modified with m6A and MIRI is still not clear. This review summarizes the regulators of m6A modification and their bioeffects on PCD in MIRI.
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Targeting ferroptosis in ischemia/reperfusion renal injury. Naunyn Schmiedebergs Arch Pharmacol 2022; 395:1331-1341. [PMID: 35920897 DOI: 10.1007/s00210-022-02277-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 07/18/2022] [Indexed: 10/16/2022]
Abstract
Renal I/R injury is a severe medical condition contributing to acute kidney injury (AKI), leading to rapid kidney dysfunction and high mortality rates. It is generally observed during renal transplantation, shock, trauma, and urologic and cardiovascular surgery, for which there is no effective treatment. Cell death and damage are commonly linked to I/R. Cell death triggered by iron-dependent lipid peroxidation, such as ferroptosis, has been demonstrated to have a significant detrimental effect in renal IRI models, making it a new type of cell death currently being researched. Ferroptosis is a nonapoptotic type of cell death that occurs when free iron enters the cell and is a critical component of many biological processes. In ferroptosis-induced renal I/R injury, iron chelators such as Deferasirox, Deferiprone, and lipophilic antioxidants are currently suppressed lipid peroxidation Liproxstatin-1 (Lip-1), Ferrostatin-1 along with antioxidants like vitamin and quercetin. Ferroptosis has been considered a potential target for pharmaceutical intervention to alleviate renal IRI-associated cell damage. Thus, this review emphasized the role of ferroptosis and its inhibition in renal IRI. Also, Pharmacological modulation of ferroptosis mechanism in renal I/R injury has been conferred. Graphical abstract.
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Zhou Z, Zhao Y, Chen S, Cui G, Fu W, Li S, Lin X, Hu H. Cisplatin Promotes the Efficacy of Immune Checkpoint Inhibitor Therapy by Inducing Ferroptosis and Activating Neutrophils. Front Pharmacol 2022; 13:870178. [PMID: 35784745 PMCID: PMC9240830 DOI: 10.3389/fphar.2022.870178] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 04/13/2022] [Indexed: 01/04/2023] Open
Abstract
The combination of immunotherapy with platinum-based chemotherapy has become the first-line treatment for patients with advanced non–small cell lung cancer (NSCLC) with negative driver gene mutations. However, finding an ideal chemotherapeutic regimen for immunotherapy and exploring the underlying mechanism have noticeably attracted clinicians’ attention. In this study, we found that cisplatin induced ferroptosis of tumor cells, followed by N1 neutrophil polarization in the tumor microenvironment, which in turn remodeled the “cold” tumor to a “hot” one through enhancing T-cell infiltration and Th1 differentiation. Based on the important role of tumor ferroptosis in the immune-promoting effect of cisplatin, we noticed that the combination of a ferroptosis activator showed a synergistic effect with chemoimmunotherapy of epidermal growth factor receptor (EGFR)-mutant NSCLC, which would be an effective strategy to overcome immunotherapy resistance in NSCLC patients harboring driver mutations.
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Affiliation(s)
- Ziwei Zhou
- Department of Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yiming Zhao
- Department of Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Phase I Clinical Trial Centre, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Si Chen
- Department of Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Guohui Cui
- Department of Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wenkui Fu
- Department of Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shouying Li
- Department of Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiaorong Lin
- Department of Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Diagnosis and Treatment Center of Breast Diseases, Shantou Central Hospital, Shantou, China
- *Correspondence: Xiaorong Lin, ; Hai Hu,
| | - Hai Hu
- Department of Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- *Correspondence: Xiaorong Lin, ; Hai Hu,
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43
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Zhu L, Meng D, Wang X, Chen X. Ferroptosis-Driven Nanotherapeutics to Reverse Drug Resistance in Tumor Microenvironment. ACS APPLIED BIO MATERIALS 2022; 5:2481-2506. [PMID: 35614872 DOI: 10.1021/acsabm.2c00199] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Ferroptosis, characterized by iron-dependent lipid reactive oxygen species (ROS) accumulation, is non-apoptotic programmed cell death highly relevant to tumor development. It was found to manipulate oncogenes and resistant mutations of cancer cells via lipid metabolism pathways converging on phospholipid glutathione peroxidase (GPX4) that squanders lipid peroxides (L-OOH) to block the iron-mediated reactions of peroxides, thus rendering resistant cancer cells vulnerable to ferroptotic cell death. By accumulating ROS and lipid peroxidation (LPO) products to lethal levels in tumor microenvironment (TME), ferroptosis-driven nanotherapeutics show a superior ability of eradicating aggressive malignancies than traditional therapeutic modalities, especially for the drug-resistant tumors with high metastasis tendency. Moreover, Fenton reaction, inhibition of GPX-4, and exogenous regulation of LPO are three major therapeutic strategies to induce ferroptosis in cancer cells, which were generally applied in ferroptosis-driven nanotherapeutics. In this review, we elaborate current trends of ferroptosis-driven nanotherapeutics to reverse drug resistance of tumors in anticancer fields at the intersection of cancer biology, materials science, and chemistry. Finally, their challenges and perspectives toward feasible translational studies are spotlighted, which would ignite the hope of anti-resistant cancer treatment.
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Affiliation(s)
- Liyun Zhu
- Institute of Geriatrics (Shanghai University), Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), School of Medicine, Shanghai University, Nantong 226011, China.,Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, Shanghai Engineering Research Center of Organ Repair, School of Life Science, Shanghai University, Shanghai 200444, China
| | - Danni Meng
- Institute of Geriatrics (Shanghai University), Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), School of Medicine, Shanghai University, Nantong 226011, China.,Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, Shanghai Engineering Research Center of Organ Repair, School of Life Science, Shanghai University, Shanghai 200444, China
| | - Xu Wang
- Hangzhou Medical College, Binjiang Higher Education Park, Binwen Road 481, Hangzhou 310053, China
| | - Xuerui Chen
- Institute of Geriatrics (Shanghai University), Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), School of Medicine, Shanghai University, Nantong 226011, China.,Cardiac Regeneration and Ageing Lab, Institute of Cardiovascular Sciences, Shanghai Engineering Research Center of Organ Repair, School of Life Science, Shanghai University, Shanghai 200444, China
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44
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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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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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Zhu D, Liang R, Liu Y, Li Z, Cheng L, Ren J, Guo Y, Wang M, Chai H, Niu Q, Yang S, Bai J, Yu H, Zhang H, Qin X. Deferoxamine ameliorated Al(mal) 3-induced neuronal ferroptosis in adult rats by chelating brain iron to attenuate oxidative damage. Toxicol Mech Methods 2022; 32:530-541. [PMID: 35313783 DOI: 10.1080/15376516.2022.2053254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Aluminum (Al), a neurotoxic element, can induce Alzheimer's disease-like (AD-like) changes by triggering neuronal death. Iron homeostasis disturbance has also been implicated in Alzheimer's disease (AD), and excess iron exacerbates oxidative damage and cognitive defects. Ferroptosis is a nonapoptotic form of cell death dependent upon intracellular iron. However, the involvement of neuronal death induced by aluminum maltolate (Al(mal)3) in the pathogenesis of AD remains elusive. In this study, the results of three different behavioral experiments suggested that the learning and memory ability deteriorated and autonomous activity declined of these rats that exposed Al(mal)3 were alleviated by deferoxamine (DFO). Transmission electron microscope observations showed that the membrane was ruptured, and the membrane density increased and ridge disappearance (the most prominent characteristic of ferroptosis) in the perinuclear and cytoplasmic compartments of the hippocampal neurons were perceived in the exposure group, while the DFO group and 18 μM/kg Al(mal)3+DFO group were alleviated compared with 18 μM/kg Al(mal)3. In addition, DFO prevented oxidative stress, such as increased glutathione (GSH) and decreased malondialdehyde (MDA) and reactive oxygen species (ROS), while the latter two indexes had the same changing tendency as the total iron of brain tissue. These data indicated that Al(mal)3 could cause ferroptosis in Sprague-Dawley (SD) rat neurons, which was inhibited by DFO via reducing the content of iron and increasing the ability of cells to resist oxidative damage.
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Affiliation(s)
- Doudou Zhu
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Ruifeng Liang
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Yi Liu
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Zhuang Li
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Liting Cheng
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Jingjuan Ren
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Yuyan Guo
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Mengqin Wang
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Huilin Chai
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Qiao Niu
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Shoulin Yang
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Jianying Bai
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Hongmei Yu
- Department of Health Statistics, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Hongmei Zhang
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
| | - Xiaojiang Qin
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, People's Republic of China
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47
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Adameova A, Horvath C, Abdul-Ghani S, Varga ZV, Suleiman MS, Dhalla NS. Interplay of Oxidative Stress and Necrosis-like Cell Death in Cardiac Ischemia/Reperfusion Injury: A Focus on Necroptosis. Biomedicines 2022; 10:biomedicines10010127. [PMID: 35052807 PMCID: PMC8773068 DOI: 10.3390/biomedicines10010127] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/31/2021] [Accepted: 01/05/2022] [Indexed: 02/06/2023] Open
Abstract
Extensive research work has been carried out to define the exact significance and contribution of regulated necrosis-like cell death program, such as necroptosis to cardiac ischemic injury. This cell damaging process plays a critical role in the pathomechanisms of myocardial infarction (MI) and post-infarction heart failure (HF). Accordingly, it has been documented that the modulation of key molecules of the canonical signaling pathway of necroptosis, involving receptor-interacting protein kinases (RIP1 and RIP3) as well as mixed lineage kinase domain-like pseudokinase (MLKL), elicit cardioprotective effects. This is evidenced by the reduction of the MI-induced infarct size, alleviation of myocardial dysfunction, and adverse cardiac remodeling. In addition to this molecular signaling of necroptosis, the non-canonical pathway, involving Ca2+/calmodulin-dependent protein kinase II (CaMKII)-mediated regulation of mitochondrial permeability transition pore (mPTP) opening, and phosphoglycerate mutase 5 (PGAM5)–dynamin-related protein 1 (Drp-1)-induced mitochondrial fission, has recently been linked to ischemic heart injury. Since MI and HF are characterized by an imbalance between reactive oxygen species production and degradation as well as the occurrence of necroptosis in the heart, it is likely that oxidative stress (OS) may be involved in the mechanisms of this cell death program for inducing cardiac damage. In this review, therefore, several observations from different studies are presented to support this paradigm linking cardiac OS, the canonical and non-canonical pathways of necroptosis, and ischemia-induced injury. It is concluded that a multiple therapeutic approach targeting some specific changes in OS and necroptosis may be beneficial in improving the treatment of ischemic heart disease.
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Affiliation(s)
- Adriana Adameova
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Comenius University in Bratislava, 83232 Bratislava, Slovakia;
- Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, 81438 Bratislava, Slovakia
- Correspondence:
| | - Csaba Horvath
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Comenius University in Bratislava, 83232 Bratislava, Slovakia;
| | - Safa Abdul-Ghani
- Department of Physiology, Faculty of Medicine, Al-Quds University, Abu Dis P.O. Box 89, Palestine;
| | - Zoltan V. Varga
- HCEMM-SU Cardiometabolic Immunology Research Group, Department of Pharmacology and Pharmacotherapy, Semmelweis University, 1089 Budapest, Hungary;
| | - M. Saadeh Suleiman
- Faculty of Health Sciences, Bristol Heart Institute, The Bristol Medical School, University of Bristol, Bristol BS8 1TH, UK;
| | - Naranjan S. Dhalla
- Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Center, 351 Tache Avenue, Winnipeg, MB R2H 2A6, Canada;
- Department of Physiology and Pathophysiology, Max Rady College of Medicine, Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3E 0J9, Canada
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48
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Wu Y, Chen Y. Research progress on ferroptosis in diabetic kidney disease. Front Endocrinol (Lausanne) 2022; 13:945976. [PMID: 36246888 PMCID: PMC9556825 DOI: 10.3389/fendo.2022.945976] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 09/08/2022] [Indexed: 12/04/2022] Open
Abstract
Ferroptosis is a newly discovered form of cell death that differs from other forms of regulated cell death at morphological, biochemical, and genetic levels, and is characterized by iron-dependent accumulation of lipid peroxides. Ferroptosis is closely related to intracellular metabolism of amino acids, lipids, and iron. Hence, its regulation may facilitate disease intervention and treatment. Diabetic kidney disease is one of the most serious complications of diabetes, which leads to serious psychological and economic burdens to patients and society when it progresses to end-stage renal disease. At present, there is no effective treatment for diabetic kidney disease. Ferroptosis has been recently identified in animal models of diabetic kidney disease. Herein, we systematically reviewed the regulatory mechanism of ferroptosis, its association with different forms of cell death, summarized its relationship with diabetic kidney disease, and explored its regulation to intervene with the progression of diabetic kidney disease or as a treatment.
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49
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Yi J, Wu S, Tan S, Qin Y, Wang X, Jiang J, Liu H, Wu B. Berberine alleviates liver fibrosis through inducing ferrous redox to activate ROS-mediated hepatic stellate cells ferroptosis. Cell Death Discov 2021; 7:374. [PMID: 34864819 PMCID: PMC8643357 DOI: 10.1038/s41420-021-00768-7] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 11/07/2021] [Accepted: 11/17/2021] [Indexed: 02/07/2023] Open
Abstract
Berberine (BBR) has been explored as a potential anti-liver fibrosis agent, but the underlying mechanisms are unknown. In the current study, we aimed to investigate the molecular mechanisms underlying the effect of BBR against liver fibrogenesis in thioacetamide (TAA) and carbon tetrachloride (CCl4) induced mouse liver fibrosis. In addition to i.p. injection with TAA or CCl4, mice in the treatment group received BBR intragastrically. Concurrently, combined with TAA and BBR treatment, mice in the inhibitor group were injected i.p. with ferrostatin-1 (Fer-1). Hepatic stellate cells (HSCs) were also used in the study. Our results showed that BBR obviously alleviated mouse liver fibrosis and restored mouse liver function; however, the pharmacological effects of BBR against liver fibrosis were significantly diminished by Fer-1 treatment. Mechanically, BBR impaired the autophagy-lysosome pathway (ALP) and increased cell reactive oxygen species (ROS) production in HSCs. ROS accelerated the breakdown of the iron-storage protein ferritin and sped up iron release from ferritin, which resulted in redox-active iron accumulation in HSCs. Lipid peroxidation and glutathione (GSH) depletion triggered by the Fenton reaction promoted ferroptosis and attenuated liver fibrosis. Furthermore, impaired autophagy enhanced BBR-mediated ferritin proteolysis to increase cellular ferrous overload via the ubiquitin-proteasome pathway (UPS) in HSCs and triggered HSC ferroptosis. Collectively, BBR alleviated liver fibrosis by inducing ferrous redox to activate ROS-mediated HSC ferroptosis. Our findings may be exploited clinically to provide a potential novel therapeutic strategy for liver fibrosis.
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Affiliation(s)
- Jiazhi Yi
- Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, 510630, Guangzhou, China.,Guangdong Provincial Key Laboratory of Liver Disease Research, 510630, Guangzhou, China
| | - Shuyun Wu
- Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, 510630, Guangzhou, China.,Guangdong Provincial Key Laboratory of Liver Disease Research, 510630, Guangzhou, China
| | - Siwei Tan
- Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, 510630, Guangzhou, China.,Guangdong Provincial Key Laboratory of Liver Disease Research, 510630, Guangzhou, China
| | - Yunfei Qin
- Department of The Biological Therapy Center, The Third Affiliated Hospital of Sun Yat-Sen University, 510630, Guangzhou, China
| | - Xing Wang
- Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, 510630, Guangzhou, China.,Guangdong Provincial Key Laboratory of Liver Disease Research, 510630, Guangzhou, China
| | - Jie Jiang
- Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, 510630, Guangzhou, China.,Guangdong Provincial Key Laboratory of Liver Disease Research, 510630, Guangzhou, China
| | - Huiling Liu
- Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, 510630, Guangzhou, China.,Guangdong Provincial Key Laboratory of Liver Disease Research, 510630, Guangzhou, China
| | - Bin Wu
- Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, 510630, Guangzhou, China. .,Guangdong Provincial Key Laboratory of Liver Disease Research, 510630, Guangzhou, China.
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50
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Yadav P, Sharma P, Sundaram S, Venkatraman G, Bera AK, Karunagaran D. SLC7A11/ xCT is a target of miR-5096 and its restoration partially rescues miR-5096-mediated ferroptosis and anti-tumor effects in human breast cancer cells. Cancer Lett 2021; 522:211-224. [PMID: 34571083 DOI: 10.1016/j.canlet.2021.09.033] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 09/08/2021] [Accepted: 09/21/2021] [Indexed: 01/15/2023]
Abstract
Breast cancer cells evade cell death by overexpressing SLC7A11, which functions by transporting cystine into cells in exchange for intracellular glutamate facilitating glutathione synthesis and reducing reactive oxygen species (ROS)-mediated stress. Using an in silico approach, we predicted an miRNA (miR-5096) that can target and downregulate SLC7A11. We demonstrated SLC7A11 as a target of miR-5096 by 3'UTR luciferase assay and further validated it by identifying reduced mRNA and protein levels of SLC7A11 upon miR-5096 overexpression. miR-5096-induced ferroptotic cell death in human breast cancer cells was confirmed by concurrently increased ROS, OH-, lipid ROS, and iron accumulation levels and decreased GSH and mitochondrial membrane potential (MitoTracker™ Orange) with mitochondrial shrinkage and partial cristae loss (observed by TEM). miR-5096 inhibited colony formation, transwell migration, and breast cancer cell invasion, whereas antimiR-5096 promoted these tumorigenic properties. Ectopic expression of SLC7A11 partly reversed miR-5096-mediated effects on cell survival, ROS, lipid peroxides, iron accumulation, GSH, hydroxyl radicals, mitochondrial membrane potential, and colony formation. miR-5096 modulated the expression of epithelial-mesenchymal transition markers in vitro and inhibited the metastatic potential of MDA-MB-231 cells in a tumor xenograft model of zebrafish larvae. Our results demonstrate that miR-5096 is a tumor-suppressive miRNA in breast cancer cells, and this paper discusses its therapeutic implications.
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Affiliation(s)
- Poonam Yadav
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Priyanshu Sharma
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Sandhya Sundaram
- Department of Pathology, Sri Ramachandra Medical College and Research Institute, Sri Ramachandra University, Porur, Chennai, 600116, India
| | - Ganesh Venkatraman
- Department of Human Genetics, Faculty of Biomedical Sciences, Technology and Research, Sri Ramachandra Institute of Higher Education and Research, Chennai, 600116, India
| | - Amal Kanti Bera
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Devarajan Karunagaran
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India.
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