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Wang B, Wang J, Liu C, Li C, Meng T, Chen J, Liu Q, He W, Liu Z, Zhou Y. Ferroptosis: Latest evidence and perspectives on plant-derived natural active compounds mitigating doxorubicin-induced cardiotoxicity. J Appl Toxicol 2024. [PMID: 39030835 DOI: 10.1002/jat.4670] [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: 06/08/2024] [Revised: 06/24/2024] [Accepted: 06/27/2024] [Indexed: 07/22/2024]
Abstract
Doxorubicin (DOX) is a chemotherapy drug widely used in clinical settings, acting as a first-line treatment for various malignant tumors. However, its use is greatly limited by the cardiotoxicity it induces, including doxorubicin-induced cardiomyopathy (DIC). The mechanisms behind DIC are not fully understood, but its potential biological mechanisms are thought to include oxidative stress, inflammation, energy metabolism disorders, mitochondrial damage, autophagy, apoptosis, and ferroptosis. Recent studies have shown that cardiac injury induced by DOX is closely related to ferroptosis. Due to their high efficacy, availability, and low side effects, natural medicine treatments hold strong clinical potential. Currently, natural medicines have been shown to mitigate DOX-induced ferroptosis and ease DIC through various functions such as antioxidation, iron ion homeostasis correction, lipid metabolism regulation, and mitochondrial function improvement. Therefore, this review summarizes the mechanisms of ferroptosis in DIC and the regulation by natural plant products, with the expectation of providing a reference for future research and development of inhibitors targeting ferroptosis in DIC. This review explores the mechanisms of ferroptosis in doxorubicin-induced cardiomyopathy (DIC) and summarizes how natural plant products can alleviate DIC by inhibiting ferroptosis through reducing oxidative stress, correcting iron ion homeostasis, regulating lipid metabolism, and improving mitochondrial function.
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Affiliation(s)
- Boyu Wang
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Jiameng Wang
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Changxing Liu
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Chengjia Li
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Tianwei Meng
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Jia Chen
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Qingnan Liu
- Heilongjiang University of Chinese Medicine, Harbin, China
| | - Wang He
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Zhiping Liu
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Yabin Zhou
- First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
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Lyamzaev KG, Huan H, Panteleeva AA, Simonyan RA, Avetisyan AV, Chernyak BV. Exogenous Iron Induces Mitochondrial Lipid Peroxidation, Lipofuscin Accumulation, and Ferroptosis in H9c2 Cardiomyocytes. Biomolecules 2024; 14:730. [PMID: 38927133 PMCID: PMC11201805 DOI: 10.3390/biom14060730] [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: 04/25/2024] [Revised: 06/10/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024] Open
Abstract
Lipid peroxidation plays an important role in various pathologies and aging, at least partially mediated by ferroptosis. The role of mitochondrial lipid peroxidation during ferroptosis remains poorly understood. We show that supplementation of exogenous iron in the form of ferric ammonium citrate at submillimolar doses induces production of reactive oxygen species (ROS) and lipid peroxidation in mitochondria that precede ferroptosis in H9c2 cardiomyocytes. The mitochondria-targeted antioxidant SkQ1 and the redox mediator methylene blue, which inhibits the production of ROS in complex I of the mitochondrial electron transport chain, prevent both mitochondrial lipid peroxidation and ferroptosis. SkQ1 and methylene blue also prevented accumulation of lipofuscin observed after 24 h incubation of cardiomyocytes with ferric ammonium citrate. Using isolated cardiac mitochondria as an in vitro ferroptosis model, it was shown that rotenone (complex I inhibitor) in the presence of ferrous iron stimulates lipid peroxidation and lipofuscin accumulation. Our data indicate that ROS generated in complex I stimulate mitochondrial lipid peroxidation, lipofuscin accumulation, and ferroptosis induced by exogenous iron.
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Affiliation(s)
- Konstantin G. Lyamzaev
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (H.H.); (A.A.P.); (R.A.S.); (A.V.A.)
- The Russian Clinical Research Center for Gerontology, Ministry of Healthcare of the Russian Federation, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - He Huan
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (H.H.); (A.A.P.); (R.A.S.); (A.V.A.)
| | - Alisa A. Panteleeva
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (H.H.); (A.A.P.); (R.A.S.); (A.V.A.)
| | - Ruben A. Simonyan
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (H.H.); (A.A.P.); (R.A.S.); (A.V.A.)
| | - Armine V. Avetisyan
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (H.H.); (A.A.P.); (R.A.S.); (A.V.A.)
| | - Boris V. Chernyak
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (H.H.); (A.A.P.); (R.A.S.); (A.V.A.)
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Zhu L, Kang X, Zhu S, Wang Y, Guo W, Zhu R. Cuproptosis-related DNA methylation signature predict prognosis and immune microenvironment in cutaneous melanoma. Discov Oncol 2024; 15:228. [PMID: 38874871 PMCID: PMC11178724 DOI: 10.1007/s12672-024-01089-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 06/07/2024] [Indexed: 06/15/2024] Open
Abstract
The prognosis for Cutaneous Melanoma (CM), a skin malignant tumor that is extremely aggressive, is not good. A recently identified type of controlled cell death that is intimately related to immunotherapy and the development of cancer is called cuproptosis. Using The Cancer Genome Atlas (TCGA) and the Gene Expression Omnibus (GEO) database, we developed and validated a DNA-methylation located in cuproptosis death-related gene prognostic signature (CRG-located DNA-methylation prognostic signature) to predict CM's prognosis. Kaplan-Meier analysis of our TCGA and GEO cohorts showed that high-risk patients had a shorter overall survival. The area under the curve (AUC) for the TCGA cohort was 0.742, while for the GEO cohort it was 0.733, according to the receiver operating characteristic (ROC) analysis. Furthermore, this signature was discovered as an independent prognostic indicator over CM patients based on Cox-regression analysis. Immunogenomic profiling indicated that majority immune-checkpoints got an opposite relationship with the signature, and patients in the group at low risk got higher immunophenoscore. Several immune pathways were enriched, according to functional enrichment analysis. In conclusion, a prognostic methylation signature for CM patients was established and confirmed. Because of its close relationship to the immune landscape, this signature may help clinicians make more accurate and individualized choices regarding therapy.
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Affiliation(s)
- Liucun Zhu
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Xudong Kang
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Shuting Zhu
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Yanna Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Wenna Guo
- School of Life Sciences, Zhengzhou University, Zhengzhou, China.
| | - Rui Zhu
- Department of Clinical Laboratory Medicine, Shanghai Tenth People's Hospital of Tongji University, Shanghai, China.
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Liu J, Deng L, Qu L, Li X, Wang T, Chen Y, Jiang M, Zou W. Herbal medicines provide regulation against iron overload in cardiovascular diseases: Informing future applications. JOURNAL OF ETHNOPHARMACOLOGY 2024; 326:117941. [PMID: 38387684 DOI: 10.1016/j.jep.2024.117941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 02/04/2024] [Accepted: 02/18/2024] [Indexed: 02/24/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Iron is an essential micronutrient for maintaining physiological activities, especially for highly active cardiomyocytes. Inappropriate iron overload or deficiency has a significant impact on the incidence and severity of cardiovascular diseases (CVD). Iron overload exerts potentially deleterious effects on doxorubicin (DOX) cardiomyopathy, atherosclerosis, and myocardial ischemia-reperfusion injury (MI/RI) by participating in lipid peroxides production. Notably, iron overload-associated cell death has been defined as a possible mechanism for ferroptosis. At present, some traditional herbal medicines and extracts have been included in the study of regulating iron overload and the subsequent therapeutic effect on CVD. AIM OF THE STUDY To give an outline of iron metabolism and ferroptosis in cardiomyocytes and to focus on herbal medicines and extracts to prevent iron overload in CVD. MATERIALS AND METHODS Literature information was systematically collected from ScienceDirect, PubMed, Google Scholar, Web of Science, China National Knowledge Infrastructure, WanFang data, as well as classic books and clinical reports. RESULTS After understanding the mechanism of iron overload on CVD, this paper reviews the therapeutic function of various herbal medicines in eliminating iron overload in CVD. These include Chinese herbal compound prescriptions (Salvia miltiorrhiza injection, Gegen Qinlian decoction, Tongxinluo, Banxia-Houpu decoction), plant extracts, phenylpropanoids, flavonoids, terpenoids, and polyphenols. Among them, flavonoids are considered to be the most promising compounds because of their prominent iron chelation. Mechanically, these herbal medicines act on the Nrf2 signaling pathway, AMPK signaling pathway, and KAT5/GPX4 signaling pathway, thereby attenuating iron overload and lipid peroxidation in CVD. CONCLUSION Our review provides up-to-date information on herbal medicines that exert cardiovascular protective effects by modulating iron overload and ferroptosis. These herbal medicines hold promise as a template for preventing iron overload in CVD.
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Affiliation(s)
- Jia Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China
| | - Liangyan Deng
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China
| | - Liping Qu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China
| | - Xiaofen Li
- School of Basic Medicine Sciences, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, PR China
| | - Tao Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China
| | - Yuanyuan Chen
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China
| | - Miao Jiang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China.
| | - Wenjun Zou
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China.
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Villa M, Wu J, Hansen S, Pahnke J. Emerging Role of ABC Transporters in Glia Cells in Health and Diseases of the Central Nervous System. Cells 2024; 13:740. [PMID: 38727275 PMCID: PMC11083179 DOI: 10.3390/cells13090740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/15/2024] [Accepted: 04/20/2024] [Indexed: 05/13/2024] Open
Abstract
ATP-binding cassette (ABC) transporters play a crucial role for the efflux of a wide range of substrates across different cellular membranes. In the central nervous system (CNS), ABC transporters have recently gathered significant attention due to their pivotal involvement in brain physiology and neurodegenerative disorders, such as Alzheimer's disease (AD). Glial cells are fundamental for normal CNS function and engage with several ABC transporters in different ways. Here, we specifically highlight ABC transporters involved in the maintenance of brain homeostasis and their implications in its metabolic regulation. We also show new aspects related to ABC transporter function found in less recognized diseases, such as Huntington's disease (HD) and experimental autoimmune encephalomyelitis (EAE), as a model for multiple sclerosis (MS). Understanding both their impact on the physiological regulation of the CNS and their roles in brain diseases holds promise for uncovering new therapeutic options. Further investigations and preclinical studies are warranted to elucidate the complex interplay between glial ABC transporters and physiological brain functions, potentially leading to effective therapeutic interventions also for rare CNS disorders.
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Affiliation(s)
- Maria Villa
- Translational Neurodegeneration Research and Neuropathology Lab, Department of Clinical Medicine (KlinMed), Medical Faculty, University of Oslo (UiO) and Section of Neuropathology Research, Department of Pathology (PAT), Clinics for Laboratory Medicine (KLM), Oslo University Hospital (OUS), Sognsvannsveien 20, NO-0372 Oslo, Norway
| | - Jingyun Wu
- Translational Neurodegeneration Research and Neuropathology Lab, Department of Clinical Medicine (KlinMed), Medical Faculty, University of Oslo (UiO) and Section of Neuropathology Research, Department of Pathology (PAT), Clinics for Laboratory Medicine (KLM), Oslo University Hospital (OUS), Sognsvannsveien 20, NO-0372 Oslo, Norway
| | - Stefanie Hansen
- Translational Neurodegeneration Research and Neuropathology Lab, Department of Clinical Medicine (KlinMed), Medical Faculty, University of Oslo (UiO) and Section of Neuropathology Research, Department of Pathology (PAT), Clinics for Laboratory Medicine (KLM), Oslo University Hospital (OUS), Sognsvannsveien 20, NO-0372 Oslo, Norway
| | - Jens Pahnke
- Translational Neurodegeneration Research and Neuropathology Lab, Department of Clinical Medicine (KlinMed), Medical Faculty, University of Oslo (UiO) and Section of Neuropathology Research, Department of Pathology (PAT), Clinics for Laboratory Medicine (KLM), Oslo University Hospital (OUS), Sognsvannsveien 20, NO-0372 Oslo, Norway
- Institute of Nutritional Medicine (INUM)/Lübeck Institute of Dermatology (LIED), University of Lübeck (UzL) and University Medical Center Schleswig-Holstein (UKSH), Ratzeburger Allee 160, D-23538 Lübeck, Germany
- Department of Pharmacology, Faculty of Medicine, University of Latvia (LU), Jelgavas iela 3, LV-1004 Rīga, Latvia
- School of Neurobiology, Biochemistry and Biophysics, The Georg S. Wise Faculty of Life Sciences, Tel Aviv University (TAU), Tel Aviv IL-6997801, Israel
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Zhou Q, Meng Y, Li D, Yao L, Le J, Liu Y, Sun Y, Zeng F, Chen X, Deng G. Ferroptosis in cancer: From molecular mechanisms to therapeutic strategies. Signal Transduct Target Ther 2024; 9:55. [PMID: 38453898 PMCID: PMC10920854 DOI: 10.1038/s41392-024-01769-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 01/21/2024] [Accepted: 02/03/2024] [Indexed: 03/09/2024] Open
Abstract
Ferroptosis is a non-apoptotic form of regulated cell death characterized by the lethal accumulation of iron-dependent membrane-localized lipid peroxides. It acts as an innate tumor suppressor mechanism and participates in the biological processes of tumors. Intriguingly, mesenchymal and dedifferentiated cancer cells, which are usually resistant to apoptosis and traditional therapies, are exquisitely vulnerable to ferroptosis, further underscoring its potential as a treatment approach for cancers, especially for refractory cancers. However, the impact of ferroptosis on cancer extends beyond its direct cytotoxic effect on tumor cells. Ferroptosis induction not only inhibits cancer but also promotes cancer development due to its potential negative impact on anticancer immunity. Thus, a comprehensive understanding of the role of ferroptosis in cancer is crucial for the successful translation of ferroptosis therapy from the laboratory to clinical applications. In this review, we provide an overview of the recent advancements in understanding ferroptosis in cancer, covering molecular mechanisms, biological functions, regulatory pathways, and interactions with the tumor microenvironment. We also summarize the potential applications of ferroptosis induction in immunotherapy, radiotherapy, and systemic therapy, as well as ferroptosis inhibition for cancer treatment in various conditions. We finally discuss ferroptosis markers, the current challenges and future directions of ferroptosis in the treatment of cancer.
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Affiliation(s)
- Qian Zhou
- Department of Dermatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- Furong Laboratory, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
| | - Yu Meng
- Department of Dermatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- Furong Laboratory, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
| | - Daishi Li
- Department of Dermatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- Furong Laboratory, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
| | - Lei Yao
- Department of General Surgery, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
| | - Jiayuan Le
- Department of Dermatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- Furong Laboratory, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
| | - Yihuang Liu
- Department of Dermatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- Furong Laboratory, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
| | - Yuming Sun
- Department of Plastic and Cosmetic Surgery, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China
| | - Furong Zeng
- Department of Oncology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China.
| | - Xiang Chen
- Department of Dermatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China.
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, 87 Xiangya Road, Changsha, 410008, Hunan Province, China.
- Furong Laboratory, 87 Xiangya Road, Changsha, 410008, Hunan Province, China.
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, 87 Xiangya Road, Changsha, 410008, Hunan Province, China.
| | - Guangtong Deng
- Department of Dermatology, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China.
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, 87 Xiangya Road, Changsha, 410008, Hunan Province, China.
- Furong Laboratory, 87 Xiangya Road, Changsha, 410008, Hunan Province, China.
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, Hunan Province, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, 87 Xiangya Road, Changsha, 410008, Hunan Province, 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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8
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Xiao Z, Wang X, Pan X, Xie J, Xu H. Mitochondrial iron dyshomeostasis and its potential as a therapeutic target for Parkinson's disease. Exp Neurol 2024; 372:114614. [PMID: 38007207 DOI: 10.1016/j.expneurol.2023.114614] [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: 09/29/2023] [Revised: 10/30/2023] [Accepted: 11/19/2023] [Indexed: 11/27/2023]
Abstract
Abnormal iron accumulation has been implicated in the etiology of Parkinson's disease (PD). Understanding how iron damages dopaminergic neurons in the substantia nigra (SN) of PD is particularly important for developing targeted neurotherapeutic strategies for the disease. However, it is still not fully understood how excess iron contributes to the neurodegeneration of dopaminergic neurons in PD. There has been increased attention on mitochondrial iron dyshomeostasis, iron-induced mitochondrial dysfunction and ferroptosis in PD. Therefore, this review begins with a brief introduction to describe cellular iron metabolism and the dysregulation of iron metabolism in PD. Then we provide an update on how iron is delivered to mitochondria and induces the damage of dopaminergic neurons in PD. In addition, we also summarize new research progress on iron-dependent ferroptosis in PD and mitochondria-localized proteins involved in ferroptosis. This will provide new insight into potential therapeutic strategies targeting mitochondrial iron dysfunction.
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Affiliation(s)
- Zhixin Xiao
- Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Department of Physiology, School of Basic Medicine, Institute of Brain Science and Disease, Qingdao University, Qingdao, China
| | - Xiaoya Wang
- Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Department of Physiology, School of Basic Medicine, Institute of Brain Science and Disease, Qingdao University, Qingdao, China
| | - Xuening Pan
- Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Department of Physiology, School of Basic Medicine, Institute of Brain Science and Disease, Qingdao University, Qingdao, China
| | - Junxia Xie
- Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Department of Physiology, School of Basic Medicine, Institute of Brain Science and Disease, Qingdao University, Qingdao, China.
| | - Huamin Xu
- Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, Department of Physiology, School of Basic Medicine, Institute of Brain Science and Disease, Qingdao University, Qingdao, China.
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9
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Mousavi-Aghdas SA, Farashi E, Naderi N. Iron Dyshomeostasis and Mitochondrial Function in the Failing Heart: A Review of the Literature. Am J Cardiovasc Drugs 2024; 24:19-37. [PMID: 38157159 DOI: 10.1007/s40256-023-00619-z] [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] [Accepted: 11/20/2023] [Indexed: 01/03/2024]
Abstract
Cardiac contraction and relaxation require a substantial amount of energy provided by the mitochondria. The failing heart is adenosine triphosphate (ATP)- and creatine-depleted. Studies have found iron is involved in almost every aspect of mitochondrial function, and previous studies have shown myocardial iron deficiency in heart failure (HF). Many clinicians advocated intravenous iron repletion for HF patients meeting the conventional criteria for systemic iron deficiency. While clinical trials showed improved quality of life, iron repletion failed to significantly impact survival or significant cardiovascular adverse events. There is evidence that in HF, labile iron is trapped inside the mitochondria causing oxidative stress and lipid peroxidation. There is also compelling preclinical evidence demonstrating the detrimental effects of both iron overload and depletion on cardiomyocyte function. We reviewed the mechanisms governing myocardial and mitochondrial iron content. Mitochondrial dynamics (i.e., fusion, fission, mitophagy) and the role of iron were also investigated. Ferroptosis, as an important regulated cell death mechanism involved in cardiomyocyte loss, was reviewed along with agents used to manipulate it. The membrane stability and iron content of mitochondria can be altered by many agents. Some studies are showing promising improvement in the cardiomyocyte function after iron chelation by deferiprone; however, whether the in vitro and in vivo findings will be reflected on on clinical grounds is still unclear. Finally, we briefly reviewed the clinical trials on intravenous iron repletion. There is a need for more well-simulated animal studies to shed light on the safety and efficacy of chelation agents and pave the road for clinical studies.
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Affiliation(s)
- Seyed Ali Mousavi-Aghdas
- Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Rajaie Cardiovascular, Medical, and Research Center, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ebrahim Farashi
- Department of Cardiothoracic Surgery, Imam Reza Medical Research & Training Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
- Rajaie Cardiovascular, Medical, and Research Center, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Nasim Naderi
- Department of Cardiothoracic Surgery, Imam Reza Medical Research & Training Hospital, Tabriz University of Medical Sciences, Tabriz, Iran.
- Rajaie Cardiovascular, Medical, and Research Center, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
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Gawargi FI, Mishra PK. Ironing out the details: ferroptosis and its relevance to diabetic cardiomyopathy. Am J Physiol Regul Integr Comp Physiol 2023; 325:R665-R681. [PMID: 37746707 PMCID: PMC11178299 DOI: 10.1152/ajpregu.00117.2023] [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: 05/17/2023] [Revised: 09/05/2023] [Accepted: 09/14/2023] [Indexed: 09/26/2023]
Abstract
Ferroptosis is a newly identified myocardial cell death mechanism driven by iron-dependent lipid peroxidation. The presence of elevated intramyocardial lipid levels and excessive iron in patients with diabetes suggest a predominant role of ferroptosis in diabetic cardiomyopathy. As myocardial cell death is a precursor of heart failure, and intensive glycemic control cannot abate the increased risk of heart failure in patients with diabetes, targeting myocardial cell death via ferroptosis is a promising therapeutic avenue to prevent and/or treat diabetic cardiomyopathy. This review provides updated and comprehensive molecular mechanisms underpinning ferroptosis, clarifies several misconceptions about ferroptosis, emphasizes the importance of ferroptosis in diabetes-induced myocardial cell death, and offers valuable approaches to evaluate and target ferroptosis in the diabetic heart. Furthermore, basic concepts and ideas presented in this review, including glutathione peroxidase-4-independent and mitochondrial mechanisms of ferroptosis, are also important for investigating ferroptosis in other diabetic organs, as well as nondiabetic and metabolically compromised hearts.
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Affiliation(s)
- Flobater I Gawargi
- Department of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, Nebraska, United States
| | - Paras K Mishra
- Department of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, Nebraska, United States
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11
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Balasubramanian A, Sundrud MS. ATP-dependent transporters: emerging players at the crossroads of immunity and metabolism. Front Immunol 2023; 14:1286696. [PMID: 38022644 PMCID: PMC10644303 DOI: 10.3389/fimmu.2023.1286696] [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: 08/31/2023] [Accepted: 10/11/2023] [Indexed: 12/01/2023] Open
Abstract
Nearly 50 ATP-binding cassette (ABC) transporters are encoded by mammalian genomes. These transporters are characterized by conserved nucleotide-binding and hydrolysis (i.e., ATPase) domains, and power directional transport of diverse substrate classes - ions, small molecule metabolites, xenobiotics, hydrophobic drugs, and even polypeptides - into or out of cells or subcellular organelles. Although immunological functions of ABC transporters are only beginning to be unraveled, emerging literature suggests these proteins have under-appreciated roles in the development and function of T lymphocytes, including many of the key effector, memory and regulatory subsets that arise during responses to infection, inflammation or cancers. One transporter in particular, MDR1 (Multidrug resistance-1; encoded by the ABCB1 locus in humans), has taken center stage as a novel player in immune regulation. Although MDR1 remains widely viewed as a simple drug efflux pump in tumor cells, recent evidence suggests that this transporter fills key endogenous roles in enforcing metabolic fitness of activated CD4 and CD8 T cells. Here, we summarize current understanding of the physiological functions of ABC transporters in immune regulation, with a focus on the anti-oxidant functions of MDR1 that may shape both the magnitude and repertoires of antigen-specific effector and memory T cell compartments. While much remains to be learned about the functions of ABC transporters in immunobiology, it is already clear that they represent fertile new ground, both for the definition of novel immunometabolic pathways, and for the discovery of new drug targets that could be leveraged to optimize immune responses to vaccines and cancer immunotherapies.
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Affiliation(s)
- Akshaya Balasubramanian
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - Mark S. Sundrud
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
- Department of Medicine, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
- Center for Digestive Health, Dartmouth Health, Lebanon, NH, United States
- Dartmouth Cancer Center, Lebanon, NH, United States
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12
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Yang X, Chang HC, Tatekoshi Y, Mahmoodzadeh A, Balibegloo M, Najafi Z, Wu R, Chen C, Sato T, Shapiro J, Ardehali H. SIRT2 inhibition protects against cardiac hypertrophy and ischemic injury. eLife 2023; 12:e85571. [PMID: 37728319 PMCID: PMC10558204 DOI: 10.7554/elife.85571] [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: 12/14/2022] [Accepted: 09/19/2023] [Indexed: 09/21/2023] Open
Abstract
Sirtuins (SIRT) exhibit deacetylation or ADP-ribosyltransferase activity and regulate a wide range of cellular processes in the nucleus, mitochondria, and cytoplasm. The role of the only sirtuin that resides in the cytoplasm, SIRT2, in the development of ischemic injury and cardiac hypertrophy is not known. In this paper, we show that the hearts of mice with deletion of Sirt2 (Sirt2-/-) display improved cardiac function after ischemia-reperfusion (I/R) and pressure overload (PO), suggesting that SIRT2 exerts maladaptive effects in the heart in response to stress. Similar results were obtained in mice with cardiomyocyte-specific Sirt2 deletion. Mechanistic studies suggest that SIRT2 modulates cellular levels and activity of nuclear factor (erythroid-derived 2)-like 2 (NRF2), which results in reduced expression of antioxidant proteins. Deletion of Nrf2 in the hearts of Sirt2-/- mice reversed protection after PO. Finally, treatment of mouse hearts with a specific SIRT2 inhibitor reduced cardiac size and attenuates cardiac hypertrophy in response to PO. These data indicate that SIRT2 has detrimental effects in the heart and plays a role in cardiac response to injury and the progression of cardiac hypertrophy, which makes this protein a unique member of the SIRT family. Additionally, our studies provide a novel approach for treatment of cardiac hypertrophy and injury by targeting SIRT2 pharmacologically, providing a novel avenue for the treatment of these disorders.
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Affiliation(s)
- Xiaoyan Yang
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Hsiang-Chun Chang
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Yuki Tatekoshi
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Amir Mahmoodzadeh
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Maryam Balibegloo
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Zeinab Najafi
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Rongxue Wu
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Chunlei Chen
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Tatsuya Sato
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Jason Shapiro
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Hossein Ardehali
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
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13
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Gorący A, Rosik J, Szostak J, Szostak B, Retfiński S, Machaj F, Pawlik A. Improving mitochondrial function in preclinical models of heart failure: therapeutic targets for future clinical therapies? Expert Opin Ther Targets 2023; 27:593-608. [PMID: 37477241 DOI: 10.1080/14728222.2023.2240021] [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: 04/12/2023] [Accepted: 07/19/2023] [Indexed: 07/22/2023]
Abstract
INTRODUCTION Heart failure is a complex clinical syndrome resulting from the unsuccessful compensation of symptoms of myocardial damage. Mitochondrial dysfunction is a process that occurs because of an attempt to adapt to the disruption of metabolic and energetic pathways occurring in the myocardium. This, in turn, leads to further dysfunction in cardiomyocyte processes. Currently, many therapeutic strategies have been implemented to improve mitochondrial function, but their effectiveness varies widely. AREAS COVERED This review focuses on new models of therapeutic strategies targeting mitochondrial function in the treatment of heart failure. EXPERT OPINION Therapeutic strategies targeting mitochondria appear to be a valuable option for treating heart failure. Currently, the greatest challenge is to develop new research models that could restore the disrupted metabolic processes in mitochondria as comprehensively as possible. Only the development of therapies that focus on improving as many dysregulated mitochondrial processes as possible in patients with heart failure will be able to bring the expected clinical improvement, along with inhibition of disease progression. Combined strategies involving the reduction of the effects of oxidative stress and mitochondrial dysfunction, appear to be a promising possibility for developing new therapies for a complex and multifactorial disease such as heart failure.
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Affiliation(s)
- Anna Gorący
- Department of Clinical and Molecular Biochemistry, Pomeranian Medical University, Szczecin, Poland
| | - Jakub Rosik
- Department of Physiology, Pomeranian Medical University, Szczecin, Poland
| | - Joanna Szostak
- Department of Experimental and Clinical Pharmacology, Pomeranian Medical University, Szczecin, Poland
| | - Bartosz Szostak
- Department of Physiology, Pomeranian Medical University, Szczecin, Poland
| | - Szymon Retfiński
- Department of Physiology, Pomeranian Medical University, Szczecin, Poland
| | - Filip Machaj
- Department of Physiology, Pomeranian Medical University, Szczecin, Poland
- Department of Medical Biology, Medical University of Warsaw, Warsaw, Poland
| | - Andrzej Pawlik
- Department of Physiology, Pomeranian Medical University, Szczecin, Poland
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14
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Sekine Y, Houston R, Eckl EM, Fessler E, Narendra DP, Jae LT, Sekine S. A mitochondrial iron-responsive pathway regulated by DELE1. Mol Cell 2023; 83:2059-2076.e6. [PMID: 37327776 PMCID: PMC10329284 DOI: 10.1016/j.molcel.2023.05.031] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 02/13/2023] [Accepted: 05/22/2023] [Indexed: 06/18/2023]
Abstract
The heme-regulated kinase HRI is activated under heme/iron deficient conditions; however, the underlying molecular mechanism is incompletely understood. Here, we show that iron-deficiency-induced HRI activation requires the mitochondrial protein DELE1. Notably, mitochondrial import of DELE1 and its subsequent protein stability are regulated by iron availability. Under steady-state conditions, DELE1 is degraded by the mitochondrial matrix-resident protease LONP1 soon after mitochondrial import. Upon iron chelation, DELE1 import is arrested, thereby stabilizing DELE1 on the mitochondrial surface to activate the HRI-mediated integrated stress response (ISR). Ablation of this DELE1-HRI-ISR pathway in an erythroid cell model enhances cell death under iron-limited conditions, suggesting a cell-protective role for this pathway in iron-demanding cell lineages. Our findings highlight mitochondrial import regulation of DELE1 as the core component of a previously unrecognized mitochondrial iron responsive pathway that elicits stress signaling following perturbation of iron homeostasis.
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Affiliation(s)
- Yusuke Sekine
- Aging Institute, Department of Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA; Division of Endocrinology and Metabolism, Department of Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Ryan Houston
- Aging Institute, Department of Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
| | - Eva-Maria Eckl
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
| | - Evelyn Fessler
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
| | - Derek P Narendra
- Inherited Movement Disorders Unit, Neurogenetics Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20814, USA
| | - Lucas T Jae
- Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität München, 81377 Munich, Germany
| | - Shiori Sekine
- Aging Institute, Department of Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA; Division of Cardiology, Department of Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA.
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15
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Palácio PB, de Freitas Soares GC, Lima GMB, Cunha PLO, Varela ALN, Facundo HT. Competitive interaction between ATP and GTP regulates mitochondrial ATP-sensitive potassium channels. Chem Biol Interact 2023:110560. [PMID: 37244398 DOI: 10.1016/j.cbi.2023.110560] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/28/2023] [Accepted: 05/22/2023] [Indexed: 05/29/2023]
Abstract
Mitochondrial ATP-sensitive K+ channels (mitoKATP) have been recently characterized structurally, and possess a protein through which K+ enters mitochondria (MitoKIR), and a regulatory subunit (mitoSUR). The mitoSUR regulatory subunit is an ATP-binding cassette (ABC) protein isoform 8 (ABCB8). Opening these channels is known to be cardioprotective, but the molecular and physiological mechanisms that activate them are not fully known. Here, to better understand the molecular and physiological mechanisms of activators (GTP) and inhibitors (ATP) on the activity of mitoKATP, we exposed isolated mitochondria to both nucleotides. We also used molecular docking directed to the nucleotide-binding domain of human ABCB8/mitoSUR to test a comparative model of ATP and GTP effects. As expected, we find that ATP dose-dependently inhibits mitoKATP activity (IC50 = 21.24 ± 1.4 mM). However, simultaneous exposure of mitochondria to GTP dose-dependently (EC50 = 13.19 ± 1.33 mM) reversed ATP inhibition. Pharmacological and computational studies suggest that GTP reverses ATP activity competitively. Docking directed to the site of crystallized ADP reveals that both nucleotides bind to mitoSUR with high affinity, with their phosphates directed to the Mg2+ ion and the walker A motif of the protein (SGGGKTT). These effects, when combined, result in GTP binding, ATP displacement, mitochondrial ATP-sensitive K+ transport, and lower formation of reactive oxygen species. Overall, our findings demonstrate the basis for ATP and GTP binding in mitoSUR using a combination of biochemical, pharmacological, and computational experiments. Future studies may reveal the extent to which the balance between ATP and GTP actions contributes toward cardioprotection against ischemic events.
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16
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Uruski P, Matuszewska J, Leśniewska A, Rychlewski D, Niklas A, Mikuła-Pietrasik J, Tykarski A, Książek K. An integrative review of nonobvious puzzles of cellular and molecular cardiooncology. Cell Mol Biol Lett 2023; 28:44. [PMID: 37221467 DOI: 10.1186/s11658-023-00451-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: 02/22/2023] [Accepted: 04/17/2023] [Indexed: 05/25/2023] Open
Abstract
Oncologic patients are subjected to four major treatment types: surgery, radiotherapy, chemotherapy, and immunotherapy. All nonsurgical forms of cancer management are known to potentially violate the structural and functional integrity of the cardiovascular system. The prevalence and severity of cardiotoxicity and vascular abnormalities led to the emergence of a clinical subdiscipline, called cardiooncology. This relatively new, but rapidly expanding area of knowledge, primarily focuses on clinical observations linking the adverse effects of cancer therapy with deteriorated quality of life of cancer survivors and their increased morbidity and mortality. Cellular and molecular determinants of these relations are far less understood, mainly because of several unsolved paths and contradicting findings in the literature. In this article, we provide a comprehensive view of the cellular and molecular etiology of cardiooncology. We pay particular attention to various intracellular processes that arise in cardiomyocytes, vascular endothelial cells, and smooth muscle cells treated in experimentally-controlled conditions in vitro and in vivo with ionizing radiation and drugs representing diverse modes of anti-cancer activity.
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Affiliation(s)
- Paweł Uruski
- Department of Hypertensiology, Poznań University of Medical Sciences, Długa ½ Str., 61-848, Poznan, Poland
| | - Julia Matuszewska
- Department of Pathophysiology of Ageing and Civilization Diseases, Poznań University of Medical Sciences, Długa ½ Str., 61-848, Poznan, Poland
| | - Aleksandra Leśniewska
- Department of Pathophysiology of Ageing and Civilization Diseases, Poznań University of Medical Sciences, Długa ½ Str., 61-848, Poznan, Poland
| | - Daniel Rychlewski
- Department of Pathophysiology of Ageing and Civilization Diseases, Poznań University of Medical Sciences, Długa ½ Str., 61-848, Poznan, Poland
| | - Arkadiusz Niklas
- Department of Hypertensiology, Poznań University of Medical Sciences, Długa ½ Str., 61-848, Poznan, Poland
| | - Justyna Mikuła-Pietrasik
- Department of Pathophysiology of Ageing and Civilization Diseases, Poznań University of Medical Sciences, Długa ½ Str., 61-848, Poznan, Poland
| | - Andrzej Tykarski
- Department of Hypertensiology, Poznań University of Medical Sciences, Długa ½ Str., 61-848, Poznan, Poland
| | - Krzysztof Książek
- Department of Pathophysiology of Ageing and Civilization Diseases, Poznań University of Medical Sciences, Długa ½ Str., 61-848, Poznan, Poland.
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17
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Zhang W, Liu QY, Haqqani AS, Liu Z, Sodja C, Leclerc S, Baumann E, Delaney CE, Brunette E, Stanimirovic DB. Differential Expression of ABC Transporter Genes in Brain Vessels vs. Peripheral Tissues and Vessels from Human, Mouse and Rat. Pharmaceutics 2023; 15:pharmaceutics15051563. [PMID: 37242805 DOI: 10.3390/pharmaceutics15051563] [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: 03/23/2023] [Revised: 05/13/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
BACKGROUND ATP-binding cassette (ABC) transporters comprise a superfamily of genes encoding membrane proteins with nucleotide-binding domains (NBD). These transporters, including drug efflux across the blood-brain barrier (BBB), carry a variety of substrates through plasma membranes against substrate gradients, fueled by hydrolyzing ATP. The expression patterns/enrichment of ABC transporter genes in brain microvessels compared to peripheral vessels and tissues are largely uncharacterized. METHODS In this study, the expression patterns of ABC transporter genes in brain microvessels, peripheral tissues (lung, liver and spleen) and lung vessels were investigated using RNA-seq and WesTM analyses in three species: human, mouse and rat. RESULTS The study demonstrated that ABC drug efflux transporter genes (including ABCB1, ABCG2, ABCC4 and ABCC5) were highly expressed in isolated brain microvessels in all three species studied; the expression of ABCB1, ABCG2, ABCC1, ABCC4 and ABCC5 was generally higher in rodent brain microvessels compared to those of humans. In contrast, ABCC2 and ABCC3 expression was low in brain microvessels, but high in rodent liver and lung vessels. Overall, most ABC transporters (with the exception of drug efflux transporters) were enriched in peripheral tissues compared to brain microvessels in humans, while in rodent species, additional ABC transporters were found to be enriched in brain microvessels. CONCLUSIONS This study furthers the understanding of species similarities and differences in the expression patterns of ABC transporter genes; this is important for translational studies in drug development. In particular, CNS drug delivery and toxicity may vary among species depending on their unique profiles of ABC transporter expression in brain microvessels and BBB.
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Affiliation(s)
- Wandong Zhang
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, ON K1A 0R6, Canada
| | - Qing Yan Liu
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, ON K1A 0R6, Canada
| | - Arsalan S Haqqani
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, ON K1A 0R6, Canada
| | - Ziying Liu
- Scientific Data Mining/Digital Technology Research Centre, National Research Council of Canada, Ottawa, ON K1A 0R6, Canada
| | - Caroline Sodja
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, ON K1A 0R6, Canada
| | - Sonia Leclerc
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, ON K1A 0R6, Canada
| | - Ewa Baumann
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, ON K1A 0R6, Canada
| | - Christie E Delaney
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, ON K1A 0R6, Canada
| | - Eric Brunette
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, ON K1A 0R6, Canada
| | - Danica B Stanimirovic
- Human Health Therapeutics Research Centre, National Research Council of Canada, Ottawa, ON K1A 0R6, Canada
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18
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Abstract
ABC transporters are essential for cellular physiology. Humans have 48 ABC genes organized into seven distinct families. Of these genes, 44 (in five distinct families) encode for membrane transporters, of which several are involved in drug resistance and disease pathways resulting from transporter dysfunction. Over the last decade, advances in structural biology have vastly expanded our mechanistic understanding of human ABC transporter function, revealing details of their molecular arrangement, regulation, and interactions, facilitated in large part by advances in cryo-EM that have rendered hitherto inaccessible targets amenable to high-resolution structural analysis. As a result, experimentally determined structures of multiple members of each of the five families of ABC transporters in humans are now available. Here we review this recent progress, highlighting the physiological relevance of human ABC transporters and mechanistic insights gleaned from their direct structure determination. We also discuss the impact and limitations of model systems and structure prediction methods in understanding human ABC transporters and discuss current challenges and future research directions.
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Affiliation(s)
- Amer Alam
- The Hormel Institute, University of Minnesota, Austin, Minnesota, USA
| | - Kaspar P Locher
- Institute of Molecular Biology and Biophysics, ETH Zurich, Switzerland;
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19
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Samir R, Hassan EA, Saber AA, Haneen DSA, Saleh EM. Seaweed Sargassum aquifolium extract ameliorates cardiotoxicity induced by doxorubicin in rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:58226-58242. [PMID: 36977879 PMCID: PMC10163098 DOI: 10.1007/s11356-023-26259-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 02/28/2023] [Indexed: 05/08/2023]
Abstract
Doxorubicin (DOX) is a potent anticancer drug with adverse cardiotoxic effects. Alginates are multifunctional biopolymers and polyelectrolytes derived from the cell walls of brown seaweeds. They are nontoxic, biocompatible, and biodegradable, and hence, utilized in several biomedical and pharmaceutical applications. Here, we investigated the potential cardioprotective effect of thermally treated sodium alginate (TTSA), which was extracted and purified from the seaweed Sargassum aquifolium, in treating acute DOX cardiotoxicity and apoptotic pathways in rats. UV-visible spectroscopy, Fourier-transform infrared, and nuclear magnetic resonance (1H-NMR) spectroscopy techniques were used to characterize TTSA. CK-MB and AST levels in sera samples were determined. The expression levels of Erk-2 (MAPK-1) and iNOS genes were investigated by quantitative real-time polymerase chain reaction (qRT-PCR). The protein expression levels of Erk-2, anti-apoptotic p53, and caspase-3 were analyzed using western blotting and ELISA. For the in vivo studies, sixty rats were randomly divided equally into six groups and treated with DOX, followed by TTSA. We revealed that treatment with TTSA, which has low molecular weight and enhanced antioxidant properties, improved DOX-mediated cardiac dysfunction and alleviated DOX-induced myocardial apoptosis. Furthermore, TTSA exhibited a cardioprotective effect against DOX-induced cardiac toxicity, indicated by the increased expression of MAPK-1 (Erk2) and iNOS genes, which are implicated in the adaptive responses regulating DOX-induced myocardial damage. Moreover, TTSA significantly (p < 0.05) suppressed caspase-3 and upregulated anti-apoptotic protein p53 expression. TTSA also rebalanced the cardiomyocyte redox potential by significantly (p < 0.05) increasing the levels of endogenous antioxidant enzymes, including catalase and superoxide dismutase. Our findings suggest that TTSA, particularly at a dose of 400 mg/kg b.w., is a potential prophylactic supplement for treating acute DOX-linked cardiotoxicity.
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Affiliation(s)
- Rania Samir
- Biochemistry Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, 11566 Egypt
| | - Ekrami A. Hassan
- Biochemistry Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, 11566 Egypt
| | - Abdullah A. Saber
- Botany Department, Faculty of Science, Ain Shams University, Abbassia Square, Cairo, 11566 Egypt
| | - David S. A. Haneen
- Chemistry Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, 11566 Egypt
| | - Eman M. Saleh
- Biochemistry Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, 11566 Egypt
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20
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Exploring Whether Iron Sequestration within the CNS of Patients with Alzheimer’s Disease Causes a Functional Iron Deficiency That Advances Neurodegeneration. Brain Sci 2023; 13:brainsci13030511. [PMID: 36979320 PMCID: PMC10046656 DOI: 10.3390/brainsci13030511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/08/2023] [Accepted: 03/13/2023] [Indexed: 03/22/2023] Open
Abstract
The involvement of iron in the pathogenesis of Alzheimer’s disease (AD) may be multifaceted. Besides potentially inducing oxidative damage, the bioavailability of iron may be limited within the central nervous system, creating a functionally iron-deficient state. By comparing staining results from baseline and modified iron histochemical protocols, iron was found to be more tightly bound within cortical sections from patients with high levels of AD pathology compared to subjects with a diagnosis of something other than AD. To begin examining whether the bound iron could cause a functional iron deficiency, a protein-coding gene expression dataset of initial, middle, and advanced stages of AD from olfactory bulb tissue was analyzed for iron-related processes with an emphasis on anemia-related changes in initial AD to capture early pathogenic events. Indeed, anemia-related processes had statistically significant alterations, and the significance of these changes exceeded those for AD-related processes. Other changes in patients with initial AD included the expressions of transcripts with iron-responsive elements and for genes encoding proteins for iron transport and mitochondrial-related processes. In the latter category, there was a decreased expression for the gene encoding pitrilysin metallopeptidase 1 (PITRM1). Other studies have shown that PITRM1 has an altered activity in patients with AD and is associated with pathological changes in this disease. Analysis of a gene expression dataset from PITRM1-deficient or sufficient organoids also revealed statistically significant changes in anemia-like processes. These findings, together with supporting evidence from the literature, raise the possibility that a pathogenic mechanism of AD could be a functional deficiency of iron contributing to neurodegeneration.
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21
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Abstract
The cardiovascular system requires iron to maintain its high energy demands and metabolic activity. Iron plays a critical role in oxygen transport and storage, mitochondrial function, and enzyme activity. However, excess iron is also cardiotoxic due to its ability to catalyze the formation of reactive oxygen species and promote oxidative damage. While mammalian cells have several redundant iron import mechanisms, they are equipped with a single iron-exporting protein, which makes the cardiovascular system particularly sensitive to iron overload. As a result, iron levels are tightly regulated at many levels to maintain homeostasis. Iron dysregulation ranges from iron deficiency to iron overload and is seen in many types of cardiovascular disease, including heart failure, myocardial infarction, anthracycline-induced cardiotoxicity, and Friedreich's ataxia. Recently, the use of intravenous iron therapy has been advocated in patients with heart failure and certain criteria for iron deficiency. Here, we provide an overview of systemic and cellular iron homeostasis in the context of cardiovascular physiology, iron deficiency, and iron overload in cardiovascular disease, current therapeutic strategies, and future perspectives.
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Affiliation(s)
- Konrad Teodor Sawicki
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University, Chicago, IL 60611
- Division of Cardiology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
| | - Adam De Jesus
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University, Chicago, IL 60611
| | - Hossein Ardehali
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University, Chicago, IL 60611
- Division of Cardiology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611
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22
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Yang X, Chang HC, Tatekoshi Y, Balibegloo M, Wu R, Chen C, Sato T, Shapiro J, Ardehali H. SIRT2 inhibition protects against cardiac hypertrophy and heart failure. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.25.525524. [PMID: 36747794 PMCID: PMC9900849 DOI: 10.1101/2023.01.25.525524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Sirtuins (SIRT) exhibit deacetylation or ADP-ribosyltransferase activity and regulate a wide range of cellular processes in the nucleus, mitochondria and cytoplasm. The role of the only sirtuin that resides in the cytoplasm, SIRT2, in the development of heart failure (HF) and cardiac hypertrophy is not known. In this paper, we show that the hearts of mice with deletion of Sirt2 ( Sirt2 -/- ) display improved cardiac function after ischemia-reperfusion (I/R) and pressure overload (PO), suggesting that SIRT2 exerts maladaptive effects in the heart in response to stress. Similar results were obtained in mice with cardiomyocyte-specific Sirt2 deletion. Mechanistic studies suggest that SIRT2 modulates cellular levels and activity of nuclear factor (erythroid-derived 2)-like 2 (NRF2), which results in reduced expression of antioxidant proteins. Deletion of Nrf2 in the hearts of Sirt2 -/- mice reversed protection after PO. Finally, treatment of mouse hearts with a specific SIRT2 inhibitors reduces cardiac size and attenuates cardiac hypertrophy in response to PO. These data indicate that SIRT2 has detrimental effects in the heart and plays a role in the progression of HF and cardiac hypertrophy, which makes this protein a unique member of the SIRT family. Additionally, our studies provide a novel approach for treatment of cardiac hypertrophy by targeting SIRT2 pharmacologically, providing a novel avenue for the treatment of this disorder.
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23
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Zhang J, Song Y, Li Y, Lin HB, Fang X. Iron homeostasis in the heart: Molecular mechanisms and pharmacological implications. J Mol Cell Cardiol 2023; 174:15-24. [PMID: 36375319 DOI: 10.1016/j.yjmcc.2022.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 11/01/2022] [Accepted: 11/02/2022] [Indexed: 11/13/2022]
Abstract
Iron is necessary for the life of practically all living things, yet it may also harm people toxically. Accordingly, humans and other mammals have evolved an effective and tightly regulatory system to maintain iron homeostasis in healthy tissues, including the heart. Iron deficiency is common in patients with heart failure, and is associated with worse prognosis in this population; while the prevalence of iron overload-related cardiovascular disorders is also increasing. Therefore, enhancing the therapy of patients with cardiovascular disorders requires a thorough understanding of iron homeostasis. Here, we give readers an overview of the fundamental mechanisms governing systemic iron homeostasis as well as the most recent knowledge about the intake, storage, use, and export of iron from the heart. Genetic mouse models used for investigation of iron metabolism in various in vivo scenarios are summarized and highlighted. We also go through different clinical conditions and therapeutic approaches that target cardiac iron dyshomeostasis. Finally, we conclude the review by outlining the present knowledge gaps and important open questions in this field in order to guide future research on cardiac iron metabolism.
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Affiliation(s)
- Jiawei Zhang
- Department of Nutrition and Toxicology, School of Public Health, Hangzhou Normal University, Hangzhou, China
| | - Yijing Song
- Department of Nutrition and Toxicology, School of Public Health, Hangzhou Normal University, Hangzhou, China
| | - You Li
- Department of Nutrition and Toxicology, School of Public Health, Hangzhou Normal University, Hangzhou, China
| | - Han-Bin Lin
- Zhongshan Institute for Drug Discovery, SIMM, CAS, Zhongshan, China; Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Xuexian Fang
- Department of Nutrition and Toxicology, School of Public Health, Hangzhou Normal University, Hangzhou, China; Key Laboratory of Elemene Class Anti-cancer Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, China.
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24
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Fang X, Ardehali H, Min J, Wang F. The molecular and metabolic landscape of iron and ferroptosis in cardiovascular disease. Nat Rev Cardiol 2023; 20:7-23. [PMID: 35788564 PMCID: PMC9252571 DOI: 10.1038/s41569-022-00735-4] [Citation(s) in RCA: 265] [Impact Index Per Article: 265.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/30/2022] [Indexed: 02/08/2023]
Abstract
The maintenance of iron homeostasis is essential for proper cardiac function. A growing body of evidence suggests that iron imbalance is the common denominator in many subtypes of cardiovascular disease. In the past 10 years, ferroptosis, an iron-dependent form of regulated cell death, has become increasingly recognized as an important process that mediates the pathogenesis and progression of numerous cardiovascular diseases, including atherosclerosis, drug-induced heart failure, myocardial ischaemia-reperfusion injury, sepsis-induced cardiomyopathy, arrhythmia and diabetic cardiomyopathy. Therefore, a thorough understanding of the mechanisms involved in the regulation of iron metabolism and ferroptosis in cardiomyocytes might lead to improvements in disease management. In this Review, we summarize the relationship between the metabolic and molecular pathways of iron signalling and ferroptosis in the context of cardiovascular disease. We also discuss the potential targets of ferroptosis in the treatment of cardiovascular disease and describe the current limitations and future directions of these novel treatment targets.
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Affiliation(s)
- Xuexian Fang
- grid.410595.c0000 0001 2230 9154Department of Nutrition and Toxicology, School of Public Health, State Key Laboratory of Experimental Hematology, Hangzhou Normal University, Hangzhou, China ,grid.13402.340000 0004 1759 700XThe Fourth Affiliated Hospital, The First Affiliated Hospital, Institute of Translational Medicine, School of Public Health, Cancer Center, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, China ,grid.412017.10000 0001 0266 8918The First Affiliated Hospital, The Second Affiliated Hospital, Basic Medical Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, China
| | - Hossein Ardehali
- grid.16753.360000 0001 2299 3507Feinberg Cardiovascular and Renal Research Institute, Northwestern University, Chicago, IL USA
| | - Junxia Min
- The Fourth Affiliated Hospital, The First Affiliated Hospital, Institute of Translational Medicine, School of Public Health, Cancer Center, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, China.
| | - Fudi Wang
- The Fourth Affiliated Hospital, The First Affiliated Hospital, Institute of Translational Medicine, School of Public Health, Cancer Center, State Key Laboratory of Experimental Hematology, Zhejiang University School of Medicine, Hangzhou, China. .,The First Affiliated Hospital, The Second Affiliated Hospital, Basic Medical Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, China.
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25
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Duan G, Li J, Duan Y, Zheng C, Guo Q, Li F, Zheng J, Yu J, Zhang P, Wan M, Long C. Mitochondrial Iron Metabolism: The Crucial Actors in Diseases. Molecules 2022; 28:29. [PMID: 36615225 PMCID: PMC9822237 DOI: 10.3390/molecules28010029] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
Iron is a trace element necessary for cell growth, development, and cellular homeostasis, but insufficient or excessive level of iron is toxic. Intracellularly, sufficient amounts of iron are required for mitochondria (the center of iron utilization) to maintain their normal physiologic function. Iron deficiency impairs mitochondrial metabolism and respiratory activity, while mitochondrial iron overload promotes ROS production during mitochondrial electron transport, thus promoting potential disease development. This review provides an overview of iron homeostasis, mitochondrial iron metabolism, and how mitochondrial iron imbalances-induced mitochondrial dysfunction contribute to diseases.
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Affiliation(s)
- Geyan Duan
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jianjun Li
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yehui Duan
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Changbing Zheng
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China
| | - Qiuping Guo
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fengna Li
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jie Zheng
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiayi Yu
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Peiwen Zhang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China
| | - Mengliao Wan
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China
| | - Cimin Long
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
- College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
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26
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Tkaczyszyn M, Górniak KM, Lis WH, Ponikowski P, Jankowska EA. Iron Deficiency and Deranged Myocardial Energetics in Heart Failure. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:17000. [PMID: 36554881 PMCID: PMC9778731 DOI: 10.3390/ijerph192417000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/10/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Among different pathomechanisms involved in the development of heart failure, adverse metabolic myocardial remodeling closely related to ineffective energy production, constitutes the fundamental feature of the disease and translates into further progression of both cardiac dysfunction and maladaptations occurring within other organs. Being the component of key enzymatic machineries, iron plays a vital role in energy generation and utilization, hence the interest in whether, by correcting systemic and/or cellular deficiency of this micronutrient, we can influence the energetic efficiency of tissues, including the heart. In this review we summarize current knowledge on disturbed energy metabolism in failing hearts as well as we analyze experimental evidence linking iron deficiency with deranged myocardial energetics.
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Affiliation(s)
- Michał Tkaczyszyn
- Institute of Heart Diseases, Wroclaw Medical University, 50-556 Wroclaw, Poland
- Institute of Heart Diseases, University Hospital, 50-566 Wroclaw, Poland
| | | | - Weronika Hanna Lis
- Institute of Heart Diseases, University Hospital, 50-566 Wroclaw, Poland
| | - Piotr Ponikowski
- Institute of Heart Diseases, Wroclaw Medical University, 50-556 Wroclaw, Poland
- Institute of Heart Diseases, University Hospital, 50-566 Wroclaw, Poland
| | - Ewa Anita Jankowska
- Institute of Heart Diseases, Wroclaw Medical University, 50-556 Wroclaw, Poland
- Institute of Heart Diseases, University Hospital, 50-566 Wroclaw, Poland
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27
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Understanding the Protective Role of Exosomes in Doxorubicin-Induced Cardiotoxicity. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2852251. [PMID: 36132225 PMCID: PMC9484956 DOI: 10.1155/2022/2852251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/25/2022] [Accepted: 08/23/2022] [Indexed: 12/06/2022]
Abstract
Doxorubicin (DOX) is a class of effective chemotherapeutic agents widely used in clinical practice. However, its use has been limited by cardiotoxicity. The mechanism of DOX-induced cardiotoxicity (DIC) is complex, involving oxidative stress, Ca2+ overload, inflammation, pyroptosis, ferroptosis, apoptosis, senescence, etc. Exosomes (EXOs), as extracellular vesicles (EVs), play an important role in the material exchange and signal transmission between cells by carrying components such as proteins and RNAs. More recently, there has been a growing number of publications focusing on the protective effect of EXOs on DIC. Here, this review summarized the main mechanisms of DIC, discussed the mechanism of EXOs in the treatment of DIC, and further explored the value of EXOs as diagnostic biomarkers and therapeutic strategies for DIC.
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28
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Dean M, Moitra K, Allikmets R. The human ATP-binding cassette (ABC) transporter superfamily. Hum Mutat 2022; 43:1162-1182. [PMID: 35642569 PMCID: PMC9357071 DOI: 10.1002/humu.24418] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 05/26/2022] [Accepted: 05/27/2022] [Indexed: 11/12/2022]
Abstract
The ATP-binding cassette (ABC) transporter superfamily comprises membrane proteins that efflux various substrates across extra- and intracellular membranes. Mutations in ABC genes cause 21 human disorders or phenotypes with Mendelian inheritance, including cystic fibrosis, adrenoleukodystrophy, retinal degeneration, cholesterol, and bile transport defects. To provide tools to study the function of human ABC transporters we compiled data from multiple genomics databases. We analyzed ABC gene conservation within human populations and across vertebrates and surveyed phenotypes of ABC gene mutations in mice. Most mouse ABC gene disruption mutations have a phenotype that mimics human disease, indicating they are applicable models. Interestingly, several ABCA family genes, whose human function is unknown, have cholesterol level phenotypes in the mouse. Genome-wide association studies confirm and extend ABC traits and suggest several new functions to investigate. Whole-exome sequencing of tumors from diverse cancer types demonstrates that mutations in ABC genes are not common in cancer, but specific genes are overexpressed in select tumor types. Finally, an analysis of the frequency of loss-of-function mutations demonstrates that many human ABC genes are essential with a low level of variants, while others have a higher level of genetic diversity.
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Affiliation(s)
- Michael Dean
- Laboratory of Translational Genomics, National Cancer Institute, Gaithersburg, Maryland 21702
| | | | - Rando Allikmets
- Department of Ophthalmology, Columbia University, New York, New York, 10032
- Department of Pathology & Cell Biology, Columbia University, New York, New York, 10032
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29
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Kiening M, Lange N. A Recap of Heme Metabolism towards Understanding Protoporphyrin IX Selectivity in Cancer Cells. Int J Mol Sci 2022; 23:ijms23147974. [PMID: 35887311 PMCID: PMC9324066 DOI: 10.3390/ijms23147974] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/15/2022] [Accepted: 07/18/2022] [Indexed: 02/04/2023] Open
Abstract
Mitochondria are essential organelles of mammalian cells, often emphasized for their function in energy production, iron metabolism and apoptosis as well as heme synthesis. The heme is an iron-loaded porphyrin behaving as a prosthetic group by its interactions with a wide variety of proteins. These complexes are termed hemoproteins and are usually vital to the whole cell comportment, such as the proteins hemoglobin, myoglobin or cytochromes, but also enzymes such as catalase and peroxidases. The building block of porphyrins is the 5-aminolevulinic acid, whose exogenous administration is able to stimulate the entire heme biosynthesis route. In neoplastic cells, this methodology repeatedly demonstrated an accumulation of the ultimate heme precursor, the fluorescent protoporphyrin IX photosensitizer, rather than in healthy tissues. While manifold players have been proposed, numerous discrepancies between research studies still dispute the mechanisms underlying this selective phenomenon that yet requires intensive investigations. In particular, we wonder what are the respective involvements of enzymes and transporters in protoporphyrin IX accretion. Is this mainly due to a boost in protoporphyrin IX anabolism along with a drop of its catabolism, or are its transporters deregulated? Additionally, can we truly expect to find a universal model to explain this selectivity? In this report, we aim to provide our peers with an overview of the currently known mitochondrial heme metabolism and approaches that could explain, at least partly, the mechanism of protoporphyrin IX selectivity towards cancer cells.
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Affiliation(s)
| | - Norbert Lange
- Correspondence: ; Tel.: +41-22-379-33-35; Fax: +41-22-379-65-67
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30
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Yang W, Guo R, Pi A, Ding Q, Hao L, Song Q, Chen L, Dou X, Na L, Li S. Long non-coding RNA-EN_181 potentially contributes to the protective effects of N-acetylcysteine against non-alcoholic fatty liver disease in mice. Br J Nutr 2022; 129:1-15. [PMID: 35710106 DOI: 10.1017/s0007114522001829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
N-acetylcysteine (NAC) possesses a strong capability to ameliorate high-fat diet (HFD)-induced non-alcoholic fatty liver disease (NAFLD) in mice, but the underlying mechanism is still unknown. Our study aimed to clarify the involvement of long non-coding RNA (lncRNA) in the beneficial effects of NAC on HFD-induced NAFLD. C57BL/6J mice were fed a normal-fat diet (10 % fat), a HFD (45 % fat) or a HFD plus NAC (2 g/l). After 14-week of intervention, NAC rescued the deleterious alterations induced by HFD, including the changes in body and liver weights, hepatic TAG, plasma alanine aminotransferase, plasma aspartate transaminase and liver histomorphology (haematoxylin and eosin and Oil red O staining). Through whole-transcriptome sequencing, 52 167 (50 758 known and 1409 novel) hepatic lncRNA were detected. Our cross-comparison data revealed the expression of 175 lncRNA was changed by HFD but reversed by NAC. Five of those lncRNA, lncRNA-NONMMUT148902·1 (NO_902·1), lncRNA-XR_001781798·1 (XR_798·1), lncRNA-NONMMUT141720·1 (NO_720·1), lncRNA-XR_869907·1 (XR_907·1), and lncRNA-ENSMUST00000132181 (EN_181), were selected based on an absolute log2 fold change value of greater than 4, P-value < 0·01 and P-adjusted value < 0·01. Further qRT-PCR analysis showed the levels of lncRNA-NO_902·1, lncRNA-XR_798·1, and lncRNA-EN_181 were decreased by HFD but restored by NAC, consistent with the RNA sequencing. Finally, we constructed a ceRNA network containing lncRNA-EN_181, 3 miRNA, and 13 mRNA, which was associated with the NAC-ameliorated NAFLD. Overall, lncRNA-EN_181 might be a potential target in NAC-ameliorated NAFLD. This finding enhanced our understanding of the biological mechanisms underlying the beneficial role of NAC.
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Affiliation(s)
- Wenwen Yang
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou310053, People's Republic of China
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang310053, People's Republic of China
| | - Rui Guo
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou310053, People's Republic of China
- Institute of Nutrition and Health, School of Public Health, Zhejiang Chinese Medical University, Hangzhou310053, People's Republic of China
- Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang310053, People's Republic of China
| | - Aiwen Pi
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang310053, People's Republic of China
| | - Qinchao Ding
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou310053, People's Republic of China
- Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang310053, People's Republic of China
| | - Liuyi Hao
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou310053, People's Republic of China
- Institute of Nutrition and Health, School of Public Health, Zhejiang Chinese Medical University, Hangzhou310053, People's Republic of China
- Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang310053, People's Republic of China
| | - Qing Song
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou310053, People's Republic of China
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang310053, People's Republic of China
| | - Lin Chen
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou310053, People's Republic of China
- Institute of Nutrition and Health, School of Public Health, Zhejiang Chinese Medical University, Hangzhou310053, People's Republic of China
| | - Xiaobing Dou
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang310053, People's Republic of China
| | - Lixin Na
- Public Health College, Shanghai University of Medicine & Health Sciences, Shanghai201318, People's Republic of China
| | - Songtao Li
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou310053, People's Republic of China
- Institute of Nutrition and Health, School of Public Health, Zhejiang Chinese Medical University, Hangzhou310053, People's Republic of China
- Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang310053, People's Republic of China
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31
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Zhang G, Yuan C, Su X, Zhang J, Gokulnath P, Vulugundam G, Li G, Yang X, An N, Liu C, Sun W, Chen H, Wu M, Sun S, Xing Y. Relevance of Ferroptosis to Cardiotoxicity Caused by Anthracyclines: Mechanisms to Target Treatments. Front Cardiovasc Med 2022; 9:896792. [PMID: 35770215 PMCID: PMC9234116 DOI: 10.3389/fcvm.2022.896792] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/24/2022] [Indexed: 12/06/2022] Open
Abstract
Anthracyclines (ANTs) are a class of anticancer drugs widely used in oncology. However, the clinical application of ANTs is limited by their cardiotoxicity. The mechanisms underlying ANTs-induced cardiotoxicity (AIC) are complicated and involve oxidative stress, inflammation, topoisomerase 2β inhibition, pyroptosis, immunometabolism, autophagy, apoptosis, ferroptosis, etc. Ferroptosis is a new form of regulated cell death (RCD) proposed in 2012, characterized by iron-dependent accumulation of reactive oxygen species (ROS) and lipid peroxidation. An increasing number of studies have found that ferroptosis plays a vital role in the development of AIC. Therefore, we aimed to elaborate on ferroptosis in AIC, especially by doxorubicin (DOX). We first summarize the mechanisms of ferroptosis in terms of oxidation and anti-oxidation systems. Then, we discuss the mechanisms related to ferroptosis caused by DOX, particularly from the perspective of iron metabolism of cardiomyocytes. We also present our research on the prevention and treatment of AIC based on ferroptosis. Finally, we enumerate our views on the development of drugs targeting ferroptosis in this emerging field.
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Affiliation(s)
- Guoxia Zhang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Chao Yuan
- Dezhou Second People’s Hospital, Dezhou, China
| | - Xin Su
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jianzhen Zhang
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Priyanka Gokulnath
- Cardiovascular Division of the Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Gururaja Vulugundam
- Institute of Biochemistry and Cellular Biology, National Research Council of Italy, Naples, Italy
| | - Guoping Li
- Cardiovascular Division of the Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Xinyu Yang
- Fangshan Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Na An
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Can Liu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Wanli Sun
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Hengwen Chen
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Min Wu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Shipeng Sun
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Shipeng Sun,
| | - Yanwei Xing
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Yanwei Xing,
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32
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Hackett PT, Jia X, Li L, Ward DM. Posttranslational regulation of mitochondrial frataxin and identification of compounds that increase frataxin levels in Friedreich's ataxia. J Biol Chem 2022; 298:101982. [PMID: 35472330 PMCID: PMC9127368 DOI: 10.1016/j.jbc.2022.101982] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 04/18/2022] [Accepted: 04/19/2022] [Indexed: 11/18/2022] Open
Abstract
Friedreich's ataxia (FRDA) is a degenerative disease caused by a decrease in the mitochondrial protein frataxin (Fxn), which is involved in iron-sulfur cluster (ISC) synthesis. Diminutions in Fxn result in decreased ISC synthesis, increased mitochondrial iron accumulation, and impaired mitochondrial function. Here, we show that conditions that result in increased mitochondrial reactive oxygen species in yeast or mammalian cell culture give rise to increased turnover of Fxn but not of other ISC synthesis proteins. We demonstrate that the mitochondrial Lon protease is involved in Fxn degradation and that iron export through the mitochondrial metal transporter Mmt1 protects yeast Fxn from degradation. We also determined that when FRDA fibroblasts were grown in media containing elevated iron, mitochondrial reactive oxygen species increased and Fxn decreased compared to WT fibroblasts. Furthermore, we screened a library of FDA-approved compounds and identified 38 compounds that increased yeast Fxn levels, including the azole bifonazole, antiparasitic fipronil, antitumor compound dibenzoylmethane, antihypertensive 4-hydroxychalcone, and a nonspecific anion channel inhibitor 4,4-diisothiocyanostilbene-2,2-sulfonic acid. We show that top hits 4-hydroxychalcone and dibenzoylmethane increased mRNA levels of transcription factor nuclear factor erythroid 2-related factor 2 in FRDA patient-derived fibroblasts, as well as downstream antioxidant targets thioredoxin, glutathione reductase, and superoxide dismutase 2. Taken together, these findings reveal that FRDA progression may be in part due to oxidant-mediated decreases in Fxn and that some approved compounds may be effective in increasing mitochondrial Fxn in FRDA, delaying disease progression.
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Affiliation(s)
- Peter T Hackett
- Department of Pathology, Division of Microbiology and Immunology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Xuan Jia
- Department of Pathology, Division of Microbiology and Immunology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Liangtao Li
- Department of Pathology, Division of Microbiology and Immunology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Diane M Ward
- Department of Pathology, Division of Microbiology and Immunology, University of Utah School of Medicine, Salt Lake City, Utah, USA.
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Menon AV, Kim J. Iron Promotes Cardiac Doxorubicin Retention and Toxicity Through Downregulation of the Mitochondrial Exporter ABCB8. Front Pharmacol 2022; 13:817951. [PMID: 35359834 PMCID: PMC8963208 DOI: 10.3389/fphar.2022.817951] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 01/24/2022] [Indexed: 11/17/2022] Open
Abstract
In several cancers, the efflux and resistance against doxorubicin (DOX), an effective anticancer drug, are associated with cellular iron deficiency and overexpression of the mitochondrial exporter ABCB8. Conversely, decreased ABCB8 expression and disrupted iron homeostasis in the heart have been implicated in DOX-associated cardiotoxicity. While studies have demonstrated that altered iron status can modulate the susceptibility to DOX cardiotoxicity, the exact molecular mechanisms have not been clearly understood. Here, we hypothesized that iron stores influence cardiac ABCB8 expression and consequently cardiac retention and toxicity of DOX. First, we found that ABCB8 deficiency in cardiomyocytes decreased DOX efflux, increased DOX-induced toxicity, and decreased cell viability. Conversely, intracellular DOX retention and toxicity were ameliorated by ABCB8 overexpression. To determine if altered cardiac iron status modifies ABCB8 expression, we treated cardiomyocytes with high iron or iron chelators. Western blot and qPCR analyses revealed that ABCB8 levels were decreased in iron overload and increased in iron deficiency. Subsequently, DOX retention and toxicity were increased in cardiomyocytes with iron overload, whereas iron deficiency ameliorated these effects. Next, we validated our results using a mouse model of hereditary hemochromatosis (HH), a genetic iron overload disorder. HH mice exhibited decreased ABCB8 expression and increased DOX retention and toxicity. These changes were abolished by the treatment of HH mice with a low-iron diet. Finally, cardiac-specific overexpression of ABCB8 in HH mice prevented cardiac DOX accumulation and abrogated DOX-induced cardiotoxicity without altering iron overload in the heart. Together, our results demonstrate that ABCB8 mediates DOX efflux and that iron regulates DOX retention and toxicity by altering cardiac ABCB8 expression. Our study identifies a novel role of iron in DOX-induced cardiotoxicity and suggests potential therapeutic intervention for DOX and anthracycline-based cancer pharmacology.
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Affiliation(s)
| | - Jonghan Kim
- Department of Pharmaceutical Sciences, Northeastern University, Boston, MA, United States
- Department of Biomedical and Nutritional Sciences, University of Massachusetts Lowell, Lowell, MA, United States
- *Correspondence: Jonghan Kim,
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Therapeutic Targets for DOX-Induced Cardiomyopathy: Role of Apoptosis vs. Ferroptosis. Int J Mol Sci 2022; 23:ijms23031414. [PMID: 35163335 PMCID: PMC8835899 DOI: 10.3390/ijms23031414] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/20/2022] [Accepted: 01/24/2022] [Indexed: 01/04/2023] Open
Abstract
Doxorubicin (DOX) is the most widely used anthracycline anticancer agent; however, its cardiotoxicity limits its clinical efficacy. Numerous studies have elucidated the mechanisms underlying DOX-induced cardiotoxicity, wherein apoptosis has been reported as the most common final step leading to cardiomyocyte death. However, in the past two years, the involvement of ferroptosis, a novel programmed cell death, has been proposed. The purpose of this review is to summarize the historical background that led to each form of cell death, focusing on DOX-induced cardiotoxicity and the molecular mechanisms that trigger each form of cell death. Furthermore, based on this understanding, possible therapeutic strategies to prevent DOX cardiotoxicity are outlined. DNA damage, oxidative stress, intracellular signaling, transcription factors, epigenetic regulators, autophagy, and metabolic inflammation are important factors in the molecular mechanisms of DOX-induced cardiomyocyte apoptosis. Conversely, the accumulation of lipid peroxides, iron ion accumulation, and decreased expression of glutathione and glutathione peroxidase 4 are important in ferroptosis. In both cascades, the mitochondria are an important site of DOX cardiotoxicity. The last part of this review focuses on the significance of the disruption of mitochondrial homeostasis in DOX cardiotoxicity.
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Cheng R, Dhorajia VV, Kim J, Kim Y. Mitochondrial iron metabolism and neurodegenerative diseases. Neurotoxicology 2022; 88:88-101. [PMID: 34748789 PMCID: PMC8748425 DOI: 10.1016/j.neuro.2021.11.003] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 11/01/2021] [Accepted: 11/03/2021] [Indexed: 01/03/2023]
Abstract
Iron is a key element for mitochondrial function and homeostasis, which is also crucial for maintaining the neuronal system, but too much iron promotes oxidative stress. A large body of evidence has indicated that abnormal iron accumulation in the brain is associated with various neurodegenerative diseases such as Huntington's disease, Alzheimer's disease, Parkinson's disease, and Friedreich's ataxia. However, it is still unclear how irregular iron status contributes to the development of neuronal disorders. Hence, the current review provides an update on the causal effects of iron overload in the development and progression of neurodegenerative diseases and discusses important roles of mitochondrial iron homeostasis in these disease conditions. Furthermore, this review discusses potential therapeutic targets for the treatments of iron overload-linked neurodegenerative diseases.
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Affiliation(s)
- Ruiying Cheng
- Department of Biomedical and Nutritional Sciences, University of Massachusetts Lowell, USA
| | | | - Jonghan Kim
- Department of Biomedical and Nutritional Sciences, University of Massachusetts Lowell, USA.
| | - Yuho Kim
- Department of Physical Therapy and Kinesiology, University of Massachusetts Lowell, USA.
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Jayakumar D, S Narasimhan KK, Periandavan K. Triad role of hepcidin, ferroportin, and Nrf2 in cardiac iron metabolism: From health to disease. J Trace Elem Med Biol 2022; 69:126882. [PMID: 34710708 DOI: 10.1016/j.jtemb.2021.126882] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 09/29/2021] [Accepted: 10/19/2021] [Indexed: 11/28/2022]
Abstract
Iron is an essential trace element required for several vital physiological and developmental processes, including erythropoiesis, bone, and neuronal development. Iron metabolism and oxygen homeostasis are interlinked to perform a vital role in the functionality of the heart. The metabolic machinery of the heart utilizes almost 90 % of oxygen through the electron transport chain. To handle this tremendous level of oxygen, the iron metabolism in the heart is utmost crucial. Iron availability to the heart is therefore tightly regulated by (i) the hepcidin/ferroportin axis, which controls dietary iron absorption, storage, and recycling, and (ii) iron regulatory proteins 1 and 2 (IRP1/2) via hypoxia inducible factor 1 (HIF1) pathway. Despite iron being vital to the heart, recent investigations have demonstrated that iron imbalance is a common manifestation in conditions of heart failure (HF), since free iron readily transforms between Fe2+ and Fe3+via the Fenton reaction, leading to reactive oxygen species (ROS) production and oxidative damage. Therefore, to combat iron-mediated oxidative stress, targeting Nrf2/ARE antioxidant signaling is rational. The involvement of Nrf2 in regulating several genes engaged in heme synthesis, iron storage, and iron export is beginning to be uncovered. Consequently, it is possible that Nrf2/hepcidin/ferroportin might act as an epicenter connecting iron metabolism to redox alterations. However, the mechanism bridging the two remains obscure. In this review, we tried to summarize the contemporary insight of how cardiomyocytes regulate intracellular iron levels and discussed the mechanisms linking cardiac dysfunction with iron imbalance. Further, we emphasized the impact of Nrf2 on the interplay between systemic/cardiac iron control in the context of heart disease, particularly in myocardial ischemia and HF.
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Affiliation(s)
- Deepthy Jayakumar
- Department of Medical Biochemistry, Dr. ALM Post Graduate Institute for Basic Medical Sciences, University of Madras, Chennai, 600113, Tamil Nadu, India
| | - Kishore Kumar S Narasimhan
- Department of Pharmacology and Neurosciences, Creighton University, 2500 California Plaza, Omaha, NE, USA
| | - Kalaiselvi Periandavan
- Department of Medical Biochemistry, Dr. ALM Post Graduate Institute for Basic Medical Sciences, University of Madras, Chennai, 600113, Tamil Nadu, India.
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Li JY, Liu SQ, Yao RQ, Tian YP, Yao YM. A Novel Insight Into the Fate of Cardiomyocytes in Ischemia-Reperfusion Injury: From Iron Metabolism to Ferroptosis. Front Cell Dev Biol 2021; 9:799499. [PMID: 34926476 PMCID: PMC8675329 DOI: 10.3389/fcell.2021.799499] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 11/15/2021] [Indexed: 12/25/2022] Open
Abstract
Ischemia-reperfusion injury (IRI), critically involved in the pathology of reperfusion therapy for myocardial infarction, is closely related to oxidative stress the inflammatory response, and disturbances in energy metabolism. Emerging evidence shows that metabolic imbalances of iron participate in the pathophysiological process of cardiomyocyte IRI [also termed as myocardial ischemia-reperfusion injury (MIRI)]. Iron is an essential mineral required for vital physiological functions, including cellular respiration, lipid and oxygen metabolism, and protein synthesis. Nevertheless, cardiomyocyte homeostasis and viability are inclined to be jeopardized by iron-induced toxicity under pathological conditions, which is defined as ferroptosis. Upon the occurrence of IRI, excessive iron is transported into cells that drive cardiomyocytes more vulnerable to ferroptosis by the accumulation of reactive oxygen species (ROS) through Fenton reaction and Haber–Weiss reaction. The increased ROS production in ferroptosis correspondingly leads cardiomyocytes to become more sensitive to oxidative stress under the exposure of excess iron. Therefore, ferroptosis might play an important role in the pathogenic progression of MIRI, and precisely targeting ferroptosis mechanisms may be a promising therapeutic option to revert myocardial remodeling. Notably, targeting inhibitors are expected to prevent MIRI deterioration by suppressing cardiomyocyte ferroptosis. Here, we review the pathophysiological alterations from iron homeostasis to ferroptosis together with potential pathways regarding ferroptosis secondary to cardiovascular IRI. We also provide a comprehensive analysis of ferroptosis inhibitors and initiators, as well as regulatory genes involved in the setting of MIRI.
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Affiliation(s)
- Jing-yan Li
- Department of Emergency, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Shuang-qing Liu
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, Beijing, China
| | - Ren-qi Yao
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, Beijing, China
| | - Ying-ping Tian
- Department of Emergency, The Second Hospital of Hebei Medical University, Shijiazhuang, China
- *Correspondence: Ying-ping Tian, ; Yong-ming Yao,
| | - Yong-ming Yao
- Department of Emergency, The Second Hospital of Hebei Medical University, Shijiazhuang, China
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, Beijing, China
- *Correspondence: Ying-ping Tian, ; Yong-ming Yao,
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Bezerra Palácio P, Brito Lucas AM, Varlla de Lacerda Alexandre J, Oliveira Cunha PL, Ponte Viana YI, Albuquerque AC, Nunes Varela AL, Facundo HT. Pharmacological and molecular docking studies reveal that glibenclamide competitively inhibits diazoxide-induced mitochondrial ATP-sensitive potassium channel activation and pharmacological preconditioning. Eur J Pharmacol 2021; 908:174379. [PMID: 34324857 DOI: 10.1016/j.ejphar.2021.174379] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 07/19/2021] [Accepted: 07/21/2021] [Indexed: 11/15/2022]
Abstract
Mitochondrial ATP-sensitive potassium channels (mitoKATP) locate in the inner mitochondrial membrane and possess protective cellular properties. mitoKATP opening-induced cardioprotection (using the pharmacological agent diazoxide) is preventable by antagonists, such as glibenclamide. However, the mechanisms of action of these drugs and how mitoKATP respond to them are poorly understood. Here, we show data that reinforce the existence of a mitochondrial sulfonylurea receptor (mitoSUR) as part of the mitoKATP. We also show how diazoxide and glibenclamide compete for the same binding site in mitoSUR. A glibenclamide analog that lacks its cyclohexylurea portion (IMP-A) loses its ability to inhibit diazoxide-induced swelling. These results suggest that the cyclohexylureia portion of glibenclamide is indispensable for mitoKATP inhibition. Moreover, IMP-A did not suppress diazoxide-induced preconditioning (EC50 10.66 μM) in a rat model of a cardiac ischemia/reperfusion. Importantly, glibenclamide inhibited both diazoxide-induced cardioprotection (IC50 86 nM). We suggest that IMP-A must be used with caution since we found this drug possesses significant inhibitory effects on mitochondrial respiration. We characterized the binding of glibenclamide and diazoxide using a molecular simulation (docking) approach. Using the molecular structure of the ATP binding protein ABCB8 (pointed by others as the mitoSUR) we demonstrate that glibenclamide competitively inhibits diazoxide actions. This was reinforced (pharmacologically) in a competitive antagonism test. Taken together, these results bring valuable and novel insights into the pharmacological/biochemical aspects of mitokATP activation and cardioprotection. This study may lead to the discovery of novel therapeutic strategies that may impact ischemia-reperfusion injury.
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Antiga LG, Sibbens L, Abakkouy Y, Decorte R, Van Den Bogaert W, Van de Voorde W, Bekaert B. Cell survival and DNA damage repair are promoted in the human blood thanatotranscriptome shortly after death. Sci Rep 2021; 11:16585. [PMID: 34400689 PMCID: PMC8368024 DOI: 10.1038/s41598-021-96095-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 07/30/2021] [Indexed: 11/09/2022] Open
Abstract
RNA analysis of post-mortem tissues, or thanatotranscriptomics, has become a topic of interest in forensic science due to the essential information it can provide in forensic investigations. Several studies have previously investigated the effect of death on gene transcription, but it has never been conducted with samples of the same individual. For the first time, a longitudinal mRNA expression analysis study was performed with post-mortem human blood samples from individuals with a known time of death. The results reveal that, after death, two clearly differentiated groups of up- and down-regulated genes can be detected. Pathway analysis suggests active processes that promote cell survival and DNA damage repair, rather than passive degradation, are the source of early post-mortem changes of gene expression in blood. In addition, a generalized linear model with an elastic net restriction predicted post-mortem interval with a root mean square error of 4.75 h. In conclusion, we demonstrate that post-mortem gene expression data can be used as biomarkers to estimate the post-mortem interval though further validation using independent sample sets is required before use in forensic casework.
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Affiliation(s)
- Laura G Antiga
- Forensic Biomedical Sciences, Department of Imaging and Pathology, KU Leuven, Herestraat 49, Box 7003 71, 3000, Leuven, Belgium
- Department of Experimental and Health Sciences (CEXS), University Pompeu Fabra (UPF), Barcelona, Spain
| | - Lode Sibbens
- Forensic Biomedical Sciences, Department of Imaging and Pathology, KU Leuven, Herestraat 49, Box 7003 71, 3000, Leuven, Belgium
| | - Yasmina Abakkouy
- Forensic Biomedical Sciences, Department of Imaging and Pathology, KU Leuven, Herestraat 49, Box 7003 71, 3000, Leuven, Belgium
| | - Ronny Decorte
- Forensic Biomedical Sciences, Department of Imaging and Pathology, KU Leuven, Herestraat 49, Box 7003 71, 3000, Leuven, Belgium
- Laboratory of Forensic Genetics, UZ Leuven, 3000, Leuven, Belgium
| | - Wouter Van Den Bogaert
- Forensic Biomedical Sciences, Department of Imaging and Pathology, KU Leuven, Herestraat 49, Box 7003 71, 3000, Leuven, Belgium
- Laboratory of Forensic Genetics, UZ Leuven, 3000, Leuven, Belgium
| | - Wim Van de Voorde
- Forensic Biomedical Sciences, Department of Imaging and Pathology, KU Leuven, Herestraat 49, Box 7003 71, 3000, Leuven, Belgium
- Laboratory of Forensic Genetics, UZ Leuven, 3000, Leuven, Belgium
| | - Bram Bekaert
- Forensic Biomedical Sciences, Department of Imaging and Pathology, KU Leuven, Herestraat 49, Box 7003 71, 3000, Leuven, Belgium.
- Laboratory of Forensic Genetics, UZ Leuven, 3000, Leuven, Belgium.
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Kim LJ, Tsuyuki KM, Hu F, Park EY, Zhang J, Iraheta JG, Chia JC, Huang R, Tucker AE, Clyne M, Castellano C, Kim A, Chung DD, DaVeiga CT, Parsons EM, Vatamaniuk OK, Jeong J. Ferroportin 3 is a dual-targeted mitochondrial/chloroplast iron exporter necessary for iron homeostasis in Arabidopsis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2021; 107:215-236. [PMID: 33884692 PMCID: PMC8316378 DOI: 10.1111/tpj.15286] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 04/10/2021] [Indexed: 05/26/2023]
Abstract
Mitochondria and chloroplasts are organelles with high iron demand that are particularly susceptible to iron-induced oxidative stress. Despite the necessity of strict iron regulation in these organelles, much remains unknown about mitochondrial and chloroplast iron transport in plants. Here, we propose that Arabidopsis ferroportin 3 (FPN3) is an iron exporter that is dual-targeted to mitochondria and chloroplasts. FPN3 is expressed in shoots, regardless of iron conditions, but its transcripts accumulate under iron deficiency in roots. fpn3 mutants cannot grow as well as the wild type under iron-deficient conditions and their shoot iron levels are lower compared with the wild type. Analyses of iron homeostasis gene expression in fpn3 mutants and inductively coupled plasma mass spectrometry (ICP-MS) measurements show that iron levels in the mitochondria and chloroplasts are increased relative to the wild type, consistent with the proposed role of FPN3 as a mitochondrial/plastid iron exporter. In iron-deficient fpn3 mutants, abnormal mitochondrial ultrastructure was observed, whereas chloroplast ultrastructure was not affected, implying that FPN3 plays a critical role in the mitochondria. Overall, our study suggests that FPN3 is essential for optimal iron homeostasis.
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Affiliation(s)
- Leah J. Kim
- Department of Biology, Amherst College, Amherst, Massachusetts 01002
| | | | - Fengling Hu
- Department of Biology, Amherst College, Amherst, Massachusetts 01002
| | - Emily Y. Park
- Department of Biology, Amherst College, Amherst, Massachusetts 01002
| | - Jingwen Zhang
- Department of Biology, Amherst College, Amherst, Massachusetts 01002
| | | | - Ju-Chen Chia
- Soil and Crop Sciences Section, School of Integrative Plant Science, Cornell University, Ithaca, New York 14853
| | - Rong Huang
- Cornell High Energy Synchrotron Source, Ithaca, New York 14853
| | - Avery E. Tucker
- Department of Biology, Amherst College, Amherst, Massachusetts 01002
| | - Madeline Clyne
- Department of Biology, Amherst College, Amherst, Massachusetts 01002
| | - Claire Castellano
- Department of Biology, Amherst College, Amherst, Massachusetts 01002
| | - Angie Kim
- Department of Biology, Amherst College, Amherst, Massachusetts 01002
| | - Daniel D. Chung
- Department of Biology, Amherst College, Amherst, Massachusetts 01002
| | | | | | - Olena K. Vatamaniuk
- Soil and Crop Sciences Section, School of Integrative Plant Science, Cornell University, Ithaca, New York 14853
| | - Jeeyon Jeong
- Department of Biology, Amherst College, Amherst, Massachusetts 01002
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Qin Y, Guo T, Wang Z, Zhao Y. The role of iron in doxorubicin-induced cardiotoxicity: recent advances and implication for drug delivery. J Mater Chem B 2021; 9:4793-4803. [PMID: 34059858 DOI: 10.1039/d1tb00551k] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
As an anthracycline antibiotic, doxorubicin (DOX) is one of the most potent and widely used chemotherapeutic agents for treating various types of tumors. Unfortunately, the clinical application of this drug results in severe side effects, particularly dose-dependent cardiotoxicity. There are multiple mechanisms involved with the cardiotoxicity caused by DOX, among which intracellular iron homeostasis plays an essential role based on a recent discovery. In this mini-review, we summarize the clinical features and symptoms of DOX-dependent cardiotoxicity, discuss the correlation between iron and cardiotoxicity, and highlight the involvement of iron-dependent ferroptotic cell death therein. Recent advances in this topic will aid the development of novel DOX delivery systems with reduced adverse effects, and expand the clinical application of anthracycline.
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Affiliation(s)
- Yan Qin
- School of Pharmaceutical Science & Technology, Tianjin Key Laboratory for Modern Drug Delivery & High Efficiency, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China.
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Koleini N, Shapiro JS, Geier J, Ardehali H. Ironing out mechanisms of iron homeostasis and disorders of iron deficiency. J Clin Invest 2021; 131:e148671. [PMID: 34060484 DOI: 10.1172/jci148671] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Iron plays an important role in mammalian physiological processes. It is a critical component for the function of many proteins, including enzymes that require heme and iron-sulfur clusters. However, excess iron is also detrimental because of its ability to catalyze the formation of reactive oxygen species. As a result, cellular and systemic iron levels are tightly regulated to prevent oxidative damage. Iron deficiency can lead to a number of pathological conditions, the most prominent being anemia. Iron deficiency should be corrected to improve adult patients' symptoms and to facilitate normal growth during fetal development and childhood. However, inappropriate use of intravenous iron in chronic conditions, such as cancer and heart failure, in the absence of clear iron deficiency can lead to unwanted side effects. Thus, this form of therapy should be reserved for certain patients who cannot tolerate oral iron and need rapid iron replenishment. Here, we will review cellular and systemic iron homeostasis and will discuss complications of iron deficiency.
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43
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Nonaka M, Hosoda H, Uezono Y. Cancer treatment-related cardiovascular disease: Current status and future research priorities. Biochem Pharmacol 2021; 190:114599. [PMID: 33989656 DOI: 10.1016/j.bcp.2021.114599] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 05/07/2021] [Accepted: 05/07/2021] [Indexed: 10/21/2022]
Abstract
With the development of new drugs, such as molecular-targeted drugs, and multidisciplinary therapies, cancer treatment outcomes have improved, and the number of cancer survivors is increasing every year. However, some chemotherapeutic agents cause cardiovascular complications (cancer treatment-related cardiovascular disease, CTRCVD), which affect the life prognosis and quality of life (QOL) of cancer patients. Therefore, it is necessary to select treatment methods that take into account the prognosis and QOL of cancer patients, and to take measures against CTRCVD. The mechanism of cardiotoxicity of high-risk drugs, such as doxorubicin and HER2 inhibitors, are still unclear; genetic factors, and cardiovascular disease risk factors (e.g., hypertension, dyslipidemia, and diabetes) are associated with CTRCVD progression. The establishment of methods for prevention, early diagnosis, and treatment of CTRCVD and the generation of evidence for these methods are needed. It is also necessary to develop screening methods for chemotherapy cardiotoxicity. In this review, we discuss the current status of CTRCVD, its complications, and expected countermeasures.
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Affiliation(s)
- Miki Nonaka
- Department of Pain Control Research, The Jikei University School of Medicine, 3-25-8, Nishi-shimbashi, Minato-ku, Tokyo 105-8461, Japan(1)
| | - Hiroshi Hosoda
- Department of Regenerative Medicine and Tissue Engineering, National Cerebral and Cardiovascular Center Research Institute, 6-1, Kishibe-Shimmachi, Suita-City, Osaka 564-8565, Japan(1)
| | - Yasuhito Uezono
- Department of Pain Control Research, The Jikei University School of Medicine, 3-25-8, Nishi-shimbashi, Minato-ku, Tokyo 105-8461, Japan(1); Department of Pain Medicine, Juntendo University Graduate School of Medicine, 2-1-1, Hongo, Bunkyo-ku, Tokyo 113-8421, Japan; Supportive and Palliative Care Research Support Office, National Center Hospital East, 6-5-1, Kashiwanoha, Kashiwa-City, Chiba 277-8577, Japan; Project for Supportive Care Research, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, 5-1-1, Tsukiji, Chuo-ku, Tokyo 104-0045, Japan.
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Checchetto V, Leanza L, De Stefani D, Rizzuto R, Gulbins E, Szabo I. Mitochondrial K + channels and their implications for disease mechanisms. Pharmacol Ther 2021; 227:107874. [PMID: 33930454 DOI: 10.1016/j.pharmthera.2021.107874] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 04/12/2021] [Indexed: 02/06/2023]
Abstract
The field of mitochondrial ion channels underwent a rapid development during the last decade, thanks to the molecular identification of some of the nuclear-encoded organelle channels and to advances in strategies allowing specific pharmacological targeting of these proteins. Thereby, genetic tools and specific drugs aided definition of the relevance of several mitochondrial channels both in physiological as well as pathological conditions. Unfortunately, in the case of mitochondrial K+ channels, efforts of genetic manipulation provided only limited results, due to their dual localization to mitochondria and to plasma membrane in most cases. Although the impact of mitochondrial K+ channels on human diseases is still far from being genuinely understood, pre-clinical data strongly argue for their substantial role in the context of several pathologies, including cardiovascular and neurodegenerative diseases as well as cancer. Importantly, these channels are druggable targets, and their in-depth investigation could thus pave the way to the development of innovative small molecules with huge therapeutic potential. In the present review we summarize the available experimental evidence that mechanistically link mitochondrial potassium channels to the above pathologies and underline the possibility of exploiting them for therapy.
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Affiliation(s)
| | - Luigi Leanza
- Department of Biology, University of Padova, Italy
| | | | - Rosario Rizzuto
- Department of Biomedical Sciences, University of Padova, Italy
| | - Erich Gulbins
- Department of Molecular Biology, University of Duisburg-Essen, Germany
| | - Ildiko Szabo
- Department of Biology, University of Padova, Italy; CNR Institute of Neurosciences, Italy.
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45
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Chang HC, Shapiro JS, Jiang X, Senyei G, Sato T, Geier J, Sawicki KT, Ardehali H. Augmenter of liver regeneration regulates cellular iron homeostasis by modulating mitochondrial transport of ATP-binding cassette B8. eLife 2021; 10:e65158. [PMID: 33835027 PMCID: PMC8055271 DOI: 10.7554/elife.65158] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 04/06/2021] [Indexed: 12/15/2022] Open
Abstract
Chronic loss of Augmenter of Liver Regeneration (ALR) results in mitochondrial myopathy with cataracts; however, the mechanism for this disorder remains unclear. Here, we demonstrate that loss of ALR, a principal component of the MIA40/ALR protein import pathway, results in impaired cytosolic Fe/S cluster biogenesis in mammalian cells. Mechanistically, MIA40/ALR facilitates the mitochondrial import of ATP-binding cassette (ABC)-B8, an inner mitochondrial membrane protein required for cytoplasmic Fe/S cluster maturation, through physical interaction with ABCB8. Downregulation of ALR impairs mitochondrial ABCB8 import, reduces cytoplasmic Fe/S cluster maturation, and increases cellular iron through the iron regulatory protein-iron response element system. Our finding thus provides a mechanistic link between MIA40/ALR import machinery and cytosolic Fe/S cluster maturation through the mitochondrial import of ABCB8, and offers a potential explanation for the pathology seen in patients with ALR mutations.
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Affiliation(s)
- Hsiang-Chun Chang
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Jason Solomon Shapiro
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Xinghang Jiang
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Grant Senyei
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Teruki Sato
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Justin Geier
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Konrad T Sawicki
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
| | - Hossein Ardehali
- Feinberg Cardiovascular and Renal Research Institute, Northwestern University School of MedicineChicagoUnited States
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Dahuja A, Kumar RR, Sakhare A, Watts A, Singh B, Goswami S, Sachdev A, Praveen S. Role of ATP-binding cassette transporters in maintaining plant homeostasis under abiotic and biotic stresses. PHYSIOLOGIA PLANTARUM 2021; 171:785-801. [PMID: 33280130 DOI: 10.1111/ppl.13302] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 11/24/2020] [Accepted: 12/03/2020] [Indexed: 05/20/2023]
Abstract
The ATP-binding cassette (ABC) transporters belong to a large protein family predominantly present in diverse species. ABC transporters are driven by ATP hydrolysis and can act as exporters as well as importers. These proteins are localized in the membranes of chloroplasts, mitochondria, peroxisomes and vacuoles. ABC proteins are involved in regulating diverse biological processes in plants, such as growth, development, uptake of nutrients, tolerance to biotic and abiotic stresses, tolerance to metal toxicity, stomatal closure, shape and size of grains, protection of pollens, transport of phytohormones, etc. In mitochondria and chloroplast, the iron metabolism and its transport across the membrane are mediated by ABC transporters. Tonoplast-localized ABC transporters are involved in internal detoxification of metal ion; thus protecting against the DNA impairment and maintaining cell growth. ABC transporters are involved in the transport of secondary metabolites inside the cells. Microorganisms also engage a large number of ABC transporters to import and expel substrates decisive for their pathogenesis. ABC transporters also suppress the seed embryonic growth until favorable conditions come. This review aims at giving insights on ABC transporters, their evolution, structure, functions and roles in different biological processes for helping the terrestrial plants to survive under adverse environmental conditions. These specialized plant membrane transporters ensure a sustainable economic yield and high-quality products, especially under unfavorable conditions of growth. These transporters can be suitably manipulated to develop 'Plants for the Future'.
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Affiliation(s)
- Anil Dahuja
- Division of Biochemistry, Indian Agricultural Research Institute, New Delhi, India
| | - Ranjeet R Kumar
- Division of Biochemistry, Indian Agricultural Research Institute, New Delhi, India
| | - Akshay Sakhare
- Division of Plant Physiology, Indian Agricultural Research Institute, New Delhi, India
| | - Archana Watts
- Division of Plant Physiology, Indian Agricultural Research Institute, New Delhi, India
| | - Bhupinder Singh
- Centre for Environment Science and Climate Resilient Agriculture (CESCRA), Indian Agricultural Research Institute, New Delhi, India
| | - Suneha Goswami
- Division of Biochemistry, Indian Agricultural Research Institute, New Delhi, India
| | - Archana Sachdev
- Division of Biochemistry, Indian Agricultural Research Institute, New Delhi, India
| | - Shelly Praveen
- Division of Biochemistry, Indian Agricultural Research Institute, New Delhi, India
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47
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Anthracycline-induced cardiomyopathy: cellular and molecular mechanisms. Clin Sci (Lond) 2021; 134:1859-1885. [PMID: 32677679 DOI: 10.1042/cs20190653] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 07/02/2020] [Accepted: 07/03/2020] [Indexed: 02/06/2023]
Abstract
Despite the known risk of cardiotoxicity, anthracyclines are widely prescribed chemotherapeutic agents. They are broadly characterized as being a robust effector of cellular apoptosis in rapidly proliferating cells through its actions in the nucleus and formation of reactive oxygen species (ROS). And, despite the early use of dexrazoxane, no effective treatment strategy has emerged to prevent the development of cardiomyopathy, despite decades of study, suggesting that much more insight into the underlying mechanism of the development of cardiomyopathy is needed. In this review, we detail the specific intracellular activities of anthracyclines, from the cell membrane to the sarcoplasmic reticulum, and highlight potential therapeutic windows that represent the forefront of research into the underlying causes of anthracycline-induced cardiomyopathy.
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Tifoun N, De las Heras JM, Guillaume A, Bouleau S, Mignotte B, Le Floch N. Insights into the Roles of the Sideroflexins/SLC56 Family in Iron Homeostasis and Iron-Sulfur Biogenesis. Biomedicines 2021; 9:103. [PMID: 33494450 PMCID: PMC7911444 DOI: 10.3390/biomedicines9020103] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/18/2021] [Accepted: 01/19/2021] [Indexed: 01/25/2023] Open
Abstract
Sideroflexins (SLC56 family) are highly conserved multi-spanning transmembrane proteins inserted in the inner mitochondrial membrane in eukaryotes. Few data are available on their molecular function, but since their first description, they were thought to be metabolite transporters probably required for iron utilization inside the mitochondrion. Such as numerous mitochondrial transporters, sideroflexins remain poorly characterized. The prototypic member SFXN1 has been recently identified as the previously unknown mitochondrial transporter of serine. Nevertheless, pending questions on the molecular function of sideroflexins remain unsolved, especially their link with iron metabolism. Here, we review the current knowledge on sideroflexins, their presumed mitochondrial functions and the sparse-but growing-evidence linking sideroflexins to iron homeostasis and iron-sulfur cluster biogenesis. Since an imbalance in iron homeostasis can be detrimental at the cellular and organismal levels, we also investigate the relationship between sideroflexins, iron and physiological disorders. Investigating Sideroflexins' functions constitutes an emerging research field of great interest and will certainly lead to the main discoveries of mitochondrial physio-pathology.
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Affiliation(s)
- Nesrine Tifoun
- LGBC, UVSQ, Université Paris-Saclay, 78000 Versailles, France; (N.T.); (J.M.D.l.H.); (A.G.); (S.B.); (B.M.)
| | - José M. De las Heras
- LGBC, UVSQ, Université Paris-Saclay, 78000 Versailles, France; (N.T.); (J.M.D.l.H.); (A.G.); (S.B.); (B.M.)
| | - Arnaud Guillaume
- LGBC, UVSQ, Université Paris-Saclay, 78000 Versailles, France; (N.T.); (J.M.D.l.H.); (A.G.); (S.B.); (B.M.)
| | - Sylvina Bouleau
- LGBC, UVSQ, Université Paris-Saclay, 78000 Versailles, France; (N.T.); (J.M.D.l.H.); (A.G.); (S.B.); (B.M.)
| | - Bernard Mignotte
- LGBC, UVSQ, Université Paris-Saclay, 78000 Versailles, France; (N.T.); (J.M.D.l.H.); (A.G.); (S.B.); (B.M.)
- École Pratique des Hautes Études, PSL University, 75014 Paris, France
| | - Nathalie Le Floch
- LGBC, UVSQ, Université Paris-Saclay, 78000 Versailles, France; (N.T.); (J.M.D.l.H.); (A.G.); (S.B.); (B.M.)
- GCGP Department, IUT de Vélizy/Rambouillet, UVSQ, Université Paris-Saclay, 78120 Rambouillet, France
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Lehrke MJ, Shapiro MJ, Rajcula MJ, Kennedy MM, McCue SA, Medina KL, Shapiro VS. The mitochondrial iron transporter ABCB7 is required for B cell development, proliferation, and class switch recombination in mice. eLife 2021; 10:69621. [PMID: 34762046 PMCID: PMC8585479 DOI: 10.7554/elife.69621] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 10/20/2021] [Indexed: 12/14/2022] Open
Abstract
Iron-sulfur (Fe-S) clusters are cofactors essential for the activity of numerous enzymes including DNA polymerases, helicases, and glycosylases. They are synthesized in the mitochondria as Fe-S intermediates and are exported to the cytoplasm for maturation by the mitochondrial transporter ABCB7. Here, we demonstrate that ABCB7 is required for bone marrow B cell development, proliferation, and class switch recombination, but is dispensable for peripheral B cell homeostasis in mice. Conditional deletion of ABCB7 using Mb1-cre resulted in a severe block in bone marrow B cell development at the pro-B cell stage. The loss of ABCB7 did not alter expression of transcription factors required for B cell specification or commitment. While increased intracellular iron was observed in ABCB7-deficient pro-B cells, this did not lead to increased cellular or mitochondrial reactive oxygen species, ferroptosis, or apoptosis. Interestingly, loss of ABCB7 led to replication-induced DNA damage in pro-B cells, independent of VDJ recombination, and these cells had evidence of slowed DNA replication. Stimulated ABCB7-deficient splenic B cells from CD23-cre mice also had a striking loss of proliferation and a defect in class switching. Thus, ABCB7 is essential for early B cell development, proliferation, and class switch recombination.
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Affiliation(s)
| | | | | | | | | | - Kay L Medina
- Department of Immunology, Mayo ClinicRochesterUnited States
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The Molecular Mechanisms of Iron Metabolism and Its Role in Cardiac Dysfunction and Cardioprotection. Int J Mol Sci 2020; 21:ijms21217889. [PMID: 33114290 PMCID: PMC7660609 DOI: 10.3390/ijms21217889] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 10/22/2020] [Accepted: 10/22/2020] [Indexed: 02/06/2023] Open
Abstract
Iron is an essential mineral participating in different functions of the organism under physiological conditions. Numerous biological processes, such as oxygen and lipid metabolism, protein production, cellular respiration, and DNA synthesis, require the presence of iron, and mitochondria play an important role in the processes of iron metabolism. In addition to its physiological role, iron may be also involved in the adaptive processes of myocardial "conditioning". On the other hand, disorders of iron metabolism are involved in the pathological mechanisms of the most common human diseases and include a wide range of them, such as type 2 diabetes, obesity, and non-alcoholic fatty liver disease, and accelerate the development of atherosclerosis. Furthermore, iron also exerts potentially deleterious effects that may be manifested under conditions of ischemia/reperfusion (I/R) injury, myocardial infarction, heart failure, coronary artery angioplasty, or heart transplantation, due to its involvement in reactive oxygen species (ROS) production. Moreover, iron has been recently described to participate in the mechanisms of iron-dependent cell death defined as "ferroptosis". Ferroptosis is a form of regulated cell death that is distinct from apoptosis, necroptosis, and other types of cell death. Ferroptosis has been shown to be associated with I/R injury and several other cardiac diseases as a significant form of cell death in cardiomyocytes. In this review, we will discuss the role of iron in cardiovascular diseases, especially in myocardial I/R injury, and protective mechanisms stimulated by different forms of "conditioning" with a special emphasis on the novel targets for cardioprotection.
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