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Zheng XJ, Chen Y, Yao L, Li XL, Sun D, Li YQ. Identification of new hub- ferroptosis-related genes in Lupus Nephritis. Autoimmunity 2024; 57:2319204. [PMID: 38409788 DOI: 10.1080/08916934.2024.2319204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 02/11/2024] [Indexed: 02/28/2024]
Abstract
Background: Lupus Nephritis (LN) is the primary causation of kidney injury in systemic lupus erythematosus (SLE). Ferroptosis is a programmed cell death. Therefore, understanding the crosstalk between LN and ferroptosis is still a significant challenge. Methods: We obtained the expression profile of LN kidney biopsy samples from the Gene Expression Omnibus database and utilised the R-project software to identify differentially expressed genes (DEGs). Then, we conducted a functional correlation analysis. Ferroptosis-related genes (FRGs) and differentially expressed genes (DEGs) crossover to select FRGs with LN. Afterwards, we used CIBERSORT to assess the infiltration of immune cells in both LN tissues and healthy control samples. Finally, we performed immunohistochemistry on LN human renal tissue. Results: 10619 DEGs screened from the LN biopsy tissue were identified. 22 hub-ferroptosis-related genes with LN (FRGs-LN) were screened out. The CIBERSORT findings revealed that there were significant statistical differences in immune cells between healthy control samples and LN tissues. Immunohistochemistry further demonstrated a significant difference in HRAS, TFRC, ATM, and SRC expression in renal tissue between normal and control groups. Conclusion: We developed a signature that allowed us to identify 22 new biomarkers associated with FRGs-LN. These findings suggest new insights into the pathology and therapeutic potential of LN ferroptosis inhibitors and iron chelators.
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Affiliation(s)
- Xiao-Jie Zheng
- Department of Nephrology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Ying Chen
- Department of Nephrology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Li Yao
- Department of Nephrology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Xiao-Li Li
- Department of Nephrology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Da Sun
- Department of Nephrology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Yan-Qiu Li
- Department of Nephrology, The First Affiliated Hospital of China Medical University, Shenyang, China
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Lee B, Choi HN, Che YH, Ko M, Seong HM, Jo MG, Kim SH, Song C, Yoon S, Choi J, Kim JH, Kim M, Lee MY, Park SW, Kim HJ, Kim SJ, Moon DS, Lee S, Park JH, Yeo SG, Everson RG, Kim YJ, Hong KW, Roh IS, Lyoo KS, Kim YJ, Yun SP. SARS-CoV-2 infection exacerbates the cellular pathology of Parkinson's disease in human dopaminergic neurons and a mouse model. Cell Rep Med 2024; 5:101570. [PMID: 38749422 PMCID: PMC11148862 DOI: 10.1016/j.xcrm.2024.101570] [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: 06/20/2023] [Revised: 01/23/2024] [Accepted: 04/22/2024] [Indexed: 05/24/2024]
Abstract
While an association between Parkinson's disease (PD) and viral infections has been recognized, the impact of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on PD progression remains unclear. Here, we demonstrate that SARS-CoV-2 infection heightens the risk of PD using human embryonic stem cell (hESC)-derived dopaminergic (DA) neurons and a human angiotensin-converting enzyme 2 (hACE2) transgenic (Tg) mouse model. Our findings reveal that SARS-CoV-2 infection exacerbates PD susceptibility and cellular toxicity in DA neurons pre-treated with human preformed fibrils (hPFFs). Additionally, nasally delivered SARS-CoV-2 infects DA neurons in hACE2 Tg mice, aggravating the damage initiated by hPFFs. Mice infected with SARS-CoV-2 display persisting neuroinflammation even after the virus is no longer detectable in the brain. A comprehensive analysis suggests that the inflammatory response mediated by astrocytes and microglia could contribute to increased PD susceptibility associated with SARS-CoV-2. These findings advance our understanding of the potential long-term effects of SARS-CoV-2 infection on the progression of PD.
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Affiliation(s)
- Bina Lee
- Department of Pharmacology, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Ha Nyeoung Choi
- Department of Pharmacology, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea; Department of Convergence Medical Science, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Young Hyun Che
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Pathology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Myungjun Ko
- Department of Neurosurgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Hye Min Seong
- Department of Ophthalmology, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Min Gi Jo
- Department of Pharmacology, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea; Department of Pathology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Seon-Hee Kim
- Department of Pharmacology, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Chieun Song
- Department of Ophthalmology, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Subeen Yoon
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Pathology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jiwoo Choi
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Pathology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jeong Hee Kim
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Pathology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Minkyeong Kim
- Department of Neurology, Gyeongsang National University Hospital, Jinju 52727, Republic of Korea
| | - Min Young Lee
- College of Pharmacy, Research Institute of Pharmaceutical Sciences, BK21 FOUR ERGID, Vessel-Organ Interaction Research Center (MRC), Kyungpook National University, Daegu 4156, Republic of Korea
| | - Sang Won Park
- Department of Pharmacology, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea; Department of Convergence Medical Science, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Hye Jung Kim
- Department of Pharmacology, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea; Department of Convergence Medical Science, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Seong Jae Kim
- Department of Ophthalmology, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Do Sik Moon
- Department of Pulmonology and Critical Care Medicine, Chosun University Hospital, Gwangju 61453, Republic of Korea
| | - Sun Lee
- Department of Pathology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; Research Center, TissueIn, Inc., Seoul 06158, Republic of Korea
| | - Jae-Hoon Park
- Department of Pathology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Seung-Geun Yeo
- Department of Otorhinolaryngology - Head and Neck Surgery, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Richard G Everson
- Department of Neurosurgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Young Jin Kim
- Department of Pharmacology, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea; Department of Convergence Medical Science, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Kyung-Wook Hong
- Division of Infectious Diseases, Department of Internal Medicine, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Jinju, Republic of Korea
| | - In-Soon Roh
- Division of Foreign Animal Disease, Animal and Plant Quarantine Agency, Gimcheon-si, Gyeongsangbuk-do 39660, Republic of Korea
| | - Kwang-Soo Lyoo
- Department of Veterinary Nursing, College of Health Sciences, Wonkwang University, Iksan 54538, Republic of Korea.
| | - Yong Jun Kim
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea; Department of Pathology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; Research Center, TissueIn, Inc., Seoul 06158, Republic of Korea; KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul 02447, Republic of Korea.
| | - Seung Pil Yun
- Department of Pharmacology, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea; Department of Convergence Medical Science, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea.
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Xu P, Xing H, Ma Y, Ding X, Li T, Zhang Y, Liu L, Ma J, Niu Q. Fluoride Induces Neurocytotoxicity by Disrupting Lysosomal Iron Metabolism and Membrane Permeability. Biol Trace Elem Res 2024:10.1007/s12011-024-04226-0. [PMID: 38760610 DOI: 10.1007/s12011-024-04226-0] [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: 02/12/2024] [Accepted: 05/06/2024] [Indexed: 05/19/2024]
Abstract
The detrimental effects of fluoride on neurotoxicity have been widely recorded, yet the detailed mechanisms underlying these effects remain unclear. This study explores lysosomal iron metabolism in fluoride-related neurotoxicity, with a focus on the Steap3/TRPML1 axis. Utilizing sodium fluoride (NaF)-treated human neuroblastoma (SH-SY5Y) and mouse hippocampal neuron (HT22) cell lines, our research demonstrates that NaF enhances the accumulation of ferrous ions (Fe2+) in these cells, disrupting lysosomal iron metabolism through the Steap3/TRPML1 axis. Notably, NaF exposure upregulated ACSL4 and downregulated GPX4, accompanied by reduced glutathione (GSH) levels and superoxide dismutase (SOD) activity and increased malondialdehyde (MDA) levels. These changes indicate increased vulnerability to ferroptosis within neuronal cells. The iron chelator deferoxamine (DFO) mitigates this disruption. DFO binds to lysosomal Fe2+ and inhibits the Steap3/TRPML1 axis, restoring normal lysosomal iron metabolism, preventing lysosomal membrane permeabilization (LMP), and reducing neuronal cell ferroptosis. Our findings suggest that interference in lysosomal iron metabolism may mitigate fluoride-induced neurotoxicity, underscoring the critical role of the Steap3/TRPML1 axis in this pathological process.
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Affiliation(s)
- Panpan Xu
- Department of Preventive Medicine, School of Medicine, Shihezi University, North 2nd Road, Shihezi, Xinjiang, 832000, People's Republic of China
- Key Laboratory for Prevention and Control of Emerging Infectious Diseases and Public Health Security, the Xinjiang Production and Construction Corps, Shihezi, Xinjiang, People's Republic of China
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence DiseasesFirst Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, China
| | - Hengrui Xing
- Department of Preventive Medicine, School of Medicine, Shihezi University, North 2nd Road, Shihezi, Xinjiang, 832000, People's Republic of China
- Key Laboratory for Prevention and Control of Emerging Infectious Diseases and Public Health Security, the Xinjiang Production and Construction Corps, Shihezi, Xinjiang, People's Republic of China
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence DiseasesFirst Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, China
| | - Yue Ma
- Department of Preventive Medicine, School of Medicine, Shihezi University, North 2nd Road, Shihezi, Xinjiang, 832000, People's Republic of China
- Key Laboratory for Prevention and Control of Emerging Infectious Diseases and Public Health Security, the Xinjiang Production and Construction Corps, Shihezi, Xinjiang, People's Republic of China
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence DiseasesFirst Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, China
| | - Xueman Ding
- Department of Preventive Medicine, School of Medicine, Shihezi University, North 2nd Road, Shihezi, Xinjiang, 832000, People's Republic of China
- Key Laboratory for Prevention and Control of Emerging Infectious Diseases and Public Health Security, the Xinjiang Production and Construction Corps, Shihezi, Xinjiang, People's Republic of China
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence DiseasesFirst Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, China
| | - Tingting Li
- Department of Preventive Medicine, School of Medicine, Shihezi University, North 2nd Road, Shihezi, Xinjiang, 832000, People's Republic of China
- Key Laboratory for Prevention and Control of Emerging Infectious Diseases and Public Health Security, the Xinjiang Production and Construction Corps, Shihezi, Xinjiang, People's Republic of China
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence DiseasesFirst Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, China
| | - Yue Zhang
- Department of Preventive Medicine, School of Medicine, Shihezi University, North 2nd Road, Shihezi, Xinjiang, 832000, People's Republic of China
- Key Laboratory for Prevention and Control of Emerging Infectious Diseases and Public Health Security, the Xinjiang Production and Construction Corps, Shihezi, Xinjiang, People's Republic of China
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence DiseasesFirst Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, China
| | - Li Liu
- Department of Preventive Medicine, School of Medicine, Shihezi University, North 2nd Road, Shihezi, Xinjiang, 832000, People's Republic of China
- Key Laboratory for Prevention and Control of Emerging Infectious Diseases and Public Health Security, the Xinjiang Production and Construction Corps, Shihezi, Xinjiang, People's Republic of China
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence DiseasesFirst Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, China
| | - Jiaolong Ma
- Department of Preventive Medicine, School of Medicine, Shihezi University, North 2nd Road, Shihezi, Xinjiang, 832000, People's Republic of China.
- Key Laboratory for Prevention and Control of Emerging Infectious Diseases and Public Health Security, the Xinjiang Production and Construction Corps, Shihezi, Xinjiang, People's Republic of China.
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China.
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence DiseasesFirst Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, China.
| | - Qiang Niu
- Department of Preventive Medicine, School of Medicine, Shihezi University, North 2nd Road, Shihezi, Xinjiang, 832000, People's Republic of China.
- Key Laboratory for Prevention and Control of Emerging Infectious Diseases and Public Health Security, the Xinjiang Production and Construction Corps, Shihezi, Xinjiang, People's Republic of China.
- Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China.
- NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence DiseasesFirst Affiliated Hospital, School of Medicine, Shihezi University, Shihezi, China.
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Lee HE, Jung M, Choi K, Jang JH, Hwang SK, Chae S, Lee JH, Mun JY. L-serine restored lysosomal failure in cells derived from patients with BPAN reducing iron accumulation with eliminating lipofuscin. Free Radic Biol Med 2024; 221:273-282. [PMID: 38740102 DOI: 10.1016/j.freeradbiomed.2024.05.017] [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: 02/13/2024] [Revised: 04/30/2024] [Accepted: 05/08/2024] [Indexed: 05/16/2024]
Abstract
Defective mitochondria and autophagy, as well as accumulation of lipid and iron in WDR45 mutant fibroblasts, is related to beta-propeller protein-associated neurodegeneration (BPAN). In this study, we found that enlarged lysosomes in cells derived from patients with BPAN had low enzyme activity, and most of the enlarged lysosomes had an accumulation of iron and oxidized lipid. Cryo-electron tomography revealed elongated lipid accumulation, and spectrometry-based elemental analysis showed that lysosomal iron and oxygen accumulation superimposed with lipid aggregates. Lysosomal lipid aggregates superimposed with autofluorescence as free radical generator, lipofuscin. To eliminate free radical stress by iron accumulation in cells derived from patients with BPAN, we investigated the effects of the iron chelator, 2,2'-bipyridine (bipyridyl, BIP). To study whether the defects in patient-derived cells can be rescued by an iron chelator BIP, we tested whether the level of iron and reactive oxygen species (ROS) in the cells and genes related to oxidative stress were rescued BIP treatment. Although BIP treatment decreased some iron accumulation in the cytoplasm and mitochondria, the accumulation of iron in the lysosomes and levels of cellular ROS were unaffected. In addition, the change of specific RNA levels related to free radical stress in patient fibroblasts was not rescued by BIP. To alleviate free radical stress, we investigated whether l-serine can regulate abnormal structures in cells derived from patients with BPAN through the regulation of free radical stress. l-serine treatment alleviated increase of enlarged lysosomes and iron accumulation and rescued impaired lysosomal activity by reducing oxidized lipid accumulation in the lysosomes of the cells. Lamellated lipids in the lysosomes of the cells were identified as lipofuscin through correlative light and electron microscopy, and l-serine treatment reduced the increase of lipofuscin. These data suggest that l-serine reduces oxidative stress-mediated lysosomal lipid oxidation and iron accumulation by rescuing lysosomal activity.
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Affiliation(s)
- Hye Eun Lee
- Neural Circuit Research Group, Korea Brain Research Institute, Daegu, South Korea; School of Medicine, Kyungpook National University, Daegu, South Korea
| | - Minkyo Jung
- Neural Circuit Research Group, Korea Brain Research Institute, Daegu, South Korea
| | - Kiju Choi
- Division of Structural Biology, Baobab AiBIO, Incheon, South Korea
| | - Jae Hyuck Jang
- Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon, South Korea; Electron Microscopy Group for Materials Science, Korea Basic Science Institute, Daejeon, South Korea
| | - Su-Kyeong Hwang
- Department of Pediatrics, School of Medicine, Kyungpook National University, Daegu, South Korea; Astrogen Inc., Techno-Building 313, Kyungpook National University, Daegu, 41566, South Korea
| | - Sehyun Chae
- Division of Chemical Engineering and Bioengineering, College of Art, Culture and Engineering, Kangwon National University, Chuncheon, 24341, South Korea
| | - Jae-Hyeok Lee
- Department of Neurology, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, 50612, South Korea; Medical Research Institute, Pusan National University School of Medicine, Yangsan, 50612, South Korea.
| | - Ji Young Mun
- Neural Circuit Research Group, Korea Brain Research Institute, Daegu, South Korea.
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Zhu Y, Fujimaki M, Snape L, Lopez A, Fleming A, Rubinsztein DC. Loss of WIPI4 in neurodegeneration causes autophagy-independent ferroptosis. Nat Cell Biol 2024; 26:542-551. [PMID: 38454050 PMCID: PMC11021183 DOI: 10.1038/s41556-024-01373-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 01/29/2024] [Indexed: 03/09/2024]
Abstract
β-Propeller protein-associated neurodegeneration (BPAN) is a rare X-linked dominant disease, one of several conditions that manifest with neurodegeneration and brain iron accumulation. Mutations in the WD repeat domain 45 (WDR45) gene encoding WIPI4 lead to loss of function in BPAN but the cellular mechanisms of how these trigger pathology are unclear. The prevailing view in the literature is that BPAN is simply the consequence of autophagy deficiency given that WIPI4 functions in this degradation pathway. However, our data indicate that WIPI4 depletion causes ferroptosis-a type of cell death induced by lipid peroxidation-via an autophagy-independent mechanism, as demonstrated both in cell culture and in zebrafish. WIPI4 depletion increases ATG2A localization at endoplasmic reticulum-mitochondrial contact sites, which enhances phosphatidylserine import into mitochondria. This results in increased mitochondrial synthesis of phosphatidylethanolamine, a major lipid prone to peroxidation, thus enabling ferroptosis. This mechanism has minimal overlap with classical ferroptosis stimuli but provides insights into the causes of neurodegeneration in BPAN and may provide clues for therapeutic strategies.
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Affiliation(s)
- Ye Zhu
- Department of Medical Genetics, University of Cambridge, Cambridge Institute for Medical Research, Cambridge, UK
- UK Dementia Research Institute, University of Cambridge, Cambridge Institute for Medical Research, Cambridge, UK
| | - Motoki Fujimaki
- Department of Medical Genetics, University of Cambridge, Cambridge Institute for Medical Research, Cambridge, UK
- UK Dementia Research Institute, University of Cambridge, Cambridge Institute for Medical Research, Cambridge, UK
| | - Louisa Snape
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Ana Lopez
- Department of Medical Genetics, University of Cambridge, Cambridge Institute for Medical Research, Cambridge, UK
- UK Dementia Research Institute, University of Cambridge, Cambridge Institute for Medical Research, Cambridge, UK
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Angeleen Fleming
- Department of Medical Genetics, University of Cambridge, Cambridge Institute for Medical Research, Cambridge, UK
- UK Dementia Research Institute, University of Cambridge, Cambridge Institute for Medical Research, Cambridge, UK
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - David C Rubinsztein
- Department of Medical Genetics, University of Cambridge, Cambridge Institute for Medical Research, Cambridge, UK.
- UK Dementia Research Institute, University of Cambridge, Cambridge Institute for Medical Research, Cambridge, UK.
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Luan Y, Yang Y, Luan Y, Liu H, Xing H, Pei J, Liu H, Qin B, Ren K. Targeting ferroptosis and ferritinophagy: new targets for cardiovascular diseases. J Zhejiang Univ Sci B 2024; 25:1-22. [PMID: 38163663 PMCID: PMC10758208 DOI: 10.1631/jzus.b2300097] [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: 02/13/2023] [Accepted: 05/21/2023] [Indexed: 01/03/2024]
Abstract
Cardiovascular diseases (CVDs) are a leading factor driving mortality worldwide. Iron, an essential trace mineral, is important in numerous biological processes, and its role in CVDs has raised broad discussion for decades. Iron-mediated cell death, namely ferroptosis, has attracted much attention due to its critical role in cardiomyocyte damage and CVDs. Furthermore, ferritinophagy is the upstream mechanism that induces ferroptosis, and is closely related to CVDs. This review aims to delineate the processes and mechanisms of ferroptosis and ferritinophagy, and the regulatory pathways and molecular targets involved in ferritinophagy, and to determine their roles in CVDs. Furthermore, we discuss the possibility of targeting ferritinophagy-induced ferroptosis modulators for treating CVDs. Collectively, this review offers some new insights into the pathology of CVDs and identifies possible therapeutic targets.
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Affiliation(s)
- Yi Luan
- Clinical Systems Biology Research Laboratories, Translational Medicine Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Yang Yang
- Clinical Systems Biology Research Laboratories, Translational Medicine Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Ying Luan
- State Key Laboratory for Artificial Microstructures and Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China
| | - Hui Liu
- School of Laboratory Medicine, Xinxiang Medical University, Xinxiang 453003, China
| | - Han Xing
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
- Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou 450052, China
- Henan Engineering Research Center for Application & Translation of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou 450052, China
| | - Jinyan Pei
- Quality Management Department, Henan No. 3 Provincial People's Hospital, Zhengzhou 450052, China
| | - Hengdao Liu
- Department of Cardiology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China. ,
| | - Bo Qin
- Center for Translational Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China. ,
| | - Kaidi Ren
- Department of Pharmacy, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China.
- Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou 450052, China.
- Henan Engineering Research Center for Application & Translation of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou 450052, China.
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Zhou J, Lin X, Liao S, Li G, Tang J, Luo J, Zhang C, Wu S, Xu L, Li H. Ferroptosis contributes to hemolytic hyperbilirubinemia‑induced brain damage in vivo and in vitro. Mol Med Rep 2023; 28:236. [PMID: 37937619 PMCID: PMC10668077 DOI: 10.3892/mmr.2023.13123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 09/19/2023] [Indexed: 11/09/2023] Open
Abstract
Ferroptosis is driven by iron‑dependent accumulation of lipid hydroperoxides, and hemolytic hyperbilirubinemia causes accumulation of unconjugated bilirubin and iron. The present study aimed to assess the role of ferroptosis in hemolytic hyperbilirubinemia‑induced brain damage (HHIBD). Rats were randomly divided into the control, phenylhydrazine (PHZ) and deferoxamine (DFO) + PHZ groups, with 12 rats in each group. Ferroptosis‑associated biochemical and protein indicators were measured in the brain tissue of rats. We also performed tandem mass tag‑labeled proteomic analysis. The levels of iron and malondialdehyde were significantly higher and levels of glutathione (GSH) and superoxide dismutase activity significantly lower in the brain tissues of the PHZ group compared with those in the control group. HHIBD also resulted in significant increases in the expression of the ferroptosis‑related proteins acyl‑CoA synthetase long‑chain family member 4, ferritin heavy chain 1 and transferrin receptor and divalent metal transporter 1, as well as a significant reduction in the expression of ferroptosis suppressor protein 1. Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis demonstrated that the differentially expressed proteins of rat brain tissues between the control and PHZ groups were significantly involved in ferroptosis, GSH metabolism and fatty acid biosynthesis pathways. Pretreatment with DFO induced antioxidant activity and alleviated lipid peroxidation‑mediated HHIBD. In addition, PC12 cells treated with ferric ammonium citrate showed shrinking mitochondria, high mitochondrial membrane density, and increased lipid reactive oxygen species and intracellular ferrous iron, which were antagonized by pretreatment with ferrostatin‑1 or DFO, which was reversed by pretreatment with ferrostatin‑1 or DFO. The present study demonstrated that ferroptosis is involved in HHIBD and provided novel insights into candidate proteins that are potentially involved in ferroptosis in the brain during hemolytic hyperbilirubinemia.
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Affiliation(s)
- Jinfu Zhou
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
- Department of Medical Genetic Diagnosis and Therapy Center, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian 350001, P.R. China
| | - Xinpei Lin
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
| | - Sining Liao
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
| | - Guilin Li
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
| | - Jianping Tang
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
| | - Jinying Luo
- Department of Obstetrics and Gynecology, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian 350001, P.R. China
| | - Chenran Zhang
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
| | - Siying Wu
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
- The Key Laboratory of Environment and Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
- Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
| | - Liangpu Xu
- Department of Medical Genetic Diagnosis and Therapy Center, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, Fujian 350001, P.R. China
| | - Huangyuan Li
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
- Fujian Provincial Key Laboratory of Environmental Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
- The Key Laboratory of Environment and Health, Fujian Medical University, Fuzhou, Fujian 350122, P.R. China
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8
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David S, Ryan F, Jhelum P, Kroner A. Ferroptosis in Neurological Disease. Neuroscientist 2023; 29:591-615. [PMID: 35678019 DOI: 10.1177/10738584221100183] [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] [Indexed: 11/16/2022]
Abstract
Iron accumulation in the CNS occurs in many neurological disorders. It can contribute to neuropathology as iron is a redox-active metal that can generate free radicals. The reasons for the iron buildup in these conditions are varied and depend on which aspects of iron influx, efflux, or sequestration that help maintain iron homeostasis are dysregulated. Iron was shown recently to induce cell death and damage via lipid peroxidation under conditions in which there is deficient glutathione-dependent antioxidant defense. This form of cell death is called ferroptosis. Iron chelation has had limited success in the treatment of neurological disease. There is therefore much interest in ferroptosis as it potentially offers new drugs that could be more effective in reducing iron-mediated lipid peroxidation within the lipid-rich environment of the CNS. In this review, we focus on the molecular mechanisms that induce ferroptosis. We also address how iron enters and leaves the CNS, as well as the evidence for ferroptosis in several neurological disorders. Finally, we highlight biomarkers of ferroptosis and potential therapeutic strategies.
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Affiliation(s)
- Samuel David
- Centre for Research in Neuroscience, and BRaIN Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Fari Ryan
- Centre for Research in Neuroscience, and BRaIN Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Priya Jhelum
- Centre for Research in Neuroscience, and BRaIN Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Antje Kroner
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, WI, USA
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9
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Walter S, Mertens C, Muckenthaler MU, Ott C. Cardiac iron metabolism during aging - Role of inflammation and proteolysis. Mech Ageing Dev 2023; 215:111869. [PMID: 37678569 DOI: 10.1016/j.mad.2023.111869] [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: 07/26/2023] [Revised: 09/01/2023] [Accepted: 09/03/2023] [Indexed: 09/09/2023]
Abstract
Iron is the most abundant trace element in the human body. Since iron can switch between its 2-valent and 3-valent form it is essential in various physiological processes such as energy production, proliferation or DNA synthesis. Especially high metabolic organs such as the heart rely on iron-associated iron-sulfur and heme proteins. However, due to switches in iron oxidation state, iron overload exhibits high toxicity through formation of reactive oxygen species, underlining the importance of balanced iron levels. Growing evidence demonstrates disturbance of this balance during aging. While age-associated cardiovascular diseases are often related to iron deficiency, in physiological aging cardiac iron accumulates. To understand these changes, we focused on inflammation and proteolysis, two hallmarks of aging, and their role in iron metabolism. Via the IL-6-hepcidin axis, inflammation and iron status are strongly connected often resulting in anemia accompanied by infiltration of macrophages. This tight connection between anemia and inflammation highlights the importance of the macrophage iron metabolism during inflammation. Age-related decrease in proteolytic activity additionally affects iron balance due to impaired degradation of iron metabolism proteins. Therefore, this review accentuates alterations in iron metabolism during aging with regards to inflammation and proteolysis to draw attention to their implications and associations.
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Affiliation(s)
- Sophia Walter
- German Institute of Human Nutrition Potsdam-Rehbruecke, Department of Molecular Toxicology, Nuthetal, Germany; TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena, Wuppertal, Germany; DZHK (German Center for Cardiovascular Research), partner site Berlin, Berlin, Germany
| | - Christina Mertens
- Center for Translational Biomedical Iron Research, Department of Pediatric Oncology, Immunology, and Hematology, University of Heidelberg, Heidelberg, Germany; DZHK (German Center for Cardiovascular Research), Heidelberg, Mannheim, Germany
| | - Martina U Muckenthaler
- Center for Translational Biomedical Iron Research, Department of Pediatric Oncology, Immunology, and Hematology, University of Heidelberg, Heidelberg, Germany; DZHK (German Center for Cardiovascular Research), Heidelberg, Mannheim, Germany; Molecular Medicine Partnership Unit, Heidelberg, Germany; Translational Lung Research Center Heidelberg (TLRC), German Center for Lung Research (DZL), Heidelberg, Germany
| | - Christiane Ott
- German Institute of Human Nutrition Potsdam-Rehbruecke, Department of Molecular Toxicology, Nuthetal, Germany; TraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena, Wuppertal, Germany; DZHK (German Center for Cardiovascular Research), partner site Berlin, Berlin, Germany.
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10
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Suárez-Carrillo A, Álvarez-Córdoba M, Romero-González A, Talaverón-Rey M, Povea-Cabello S, Cilleros-Holgado P, Piñero-Pérez R, Reche-López D, Gómez-Fernández D, Romero-Domínguez JM, Munuera-Cabeza M, Díaz A, González-Granero S, García-Verdugo JM, Sánchez-Alcázar JA. Antioxidants Prevent Iron Accumulation and Lipid Peroxidation, but Do Not Correct Autophagy Dysfunction or Mitochondrial Bioenergetics in Cellular Models of BPAN. Int J Mol Sci 2023; 24:14576. [PMID: 37834028 DOI: 10.3390/ijms241914576] [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: 05/25/2023] [Revised: 09/06/2023] [Accepted: 09/08/2023] [Indexed: 10/15/2023] Open
Abstract
Neurodegeneration with brain iron accumulation (NBIA) is a group of rare neurogenetic disorders frequently associated with iron accumulation in the basal nuclei of the brain. Among NBIA subtypes, β-propeller protein-associated neurodegeneration (BPAN) is associated with mutations in the autophagy gene WDR45. The aim of this study was to demonstrate the autophagic defects and secondary pathological consequences in cellular models derived from two patients harboring WDR45 mutations. Both protein and mRNA expression levels of WDR45 were decreased in patient-derived fibroblasts. In addition, the increase of LC3B upon treatments with autophagy inducers or inhibitors was lower in mutant cells compared to control cells, suggesting decreased autophagosome formation and impaired autophagic flux. A transmission electron microscopy (TEM) analysis showed mitochondrial vacuolization associated with the accumulation of lipofuscin-like aggregates containing undegraded material. Autophagy dysregulation was also associated with iron accumulation and lipid peroxidation. In addition, mutant fibroblasts showed altered mitochondrial bioenergetics. Antioxidants such as pantothenate, vitamin E and α-lipoic prevented lipid peroxidation and iron accumulation. However, antioxidants were not able to correct the expression levels of WDR45, neither the autophagy defect nor cell bioenergetics. Our study demonstrated that WDR45 mutations in BPAN cellular models impaired autophagy, iron metabolism and cell bioenergetics. Antioxidants partially improved cell physiopathology; however, autophagy and cell bioenergetics remained affected.
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Affiliation(s)
- Alejandra Suárez-Carrillo
- Centro Andaluz de Biología del Desarrollo, ABD-CSIC-Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | - Mónica Álvarez-Córdoba
- Centro Andaluz de Biología del Desarrollo, ABD-CSIC-Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | - Ana Romero-González
- Centro Andaluz de Biología del Desarrollo, ABD-CSIC-Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | - Marta Talaverón-Rey
- Centro Andaluz de Biología del Desarrollo, ABD-CSIC-Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | - Suleva Povea-Cabello
- Centro Andaluz de Biología del Desarrollo, ABD-CSIC-Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | - Paula Cilleros-Holgado
- Centro Andaluz de Biología del Desarrollo, ABD-CSIC-Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | - Rocío Piñero-Pérez
- Centro Andaluz de Biología del Desarrollo, ABD-CSIC-Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | - Diana Reche-López
- Centro Andaluz de Biología del Desarrollo, ABD-CSIC-Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | - David Gómez-Fernández
- Centro Andaluz de Biología del Desarrollo, ABD-CSIC-Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | | | - Manuel Munuera-Cabeza
- Centro Andaluz de Biología del Desarrollo, ABD-CSIC-Universidad Pablo de Olavide, 41013 Sevilla, Spain
| | - Antonio Díaz
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, New York, NY 10461, USA
- Institute for Aging Studies, Albert Einstein College of Medicine, New York, NY 10461, USA
| | - Susana González-Granero
- Laboratory of Comparative Neurobiology, Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia and CIBERNED-ISCIII, 46100 Valencia, Spain
| | - José Manuel García-Verdugo
- Laboratory of Comparative Neurobiology, Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia and CIBERNED-ISCIII, 46100 Valencia, Spain
| | - José A Sánchez-Alcázar
- Centro Andaluz de Biología del Desarrollo, ABD-CSIC-Universidad Pablo de Olavide, 41013 Sevilla, Spain
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Papandreou A, Singh N, Gianfrancesco L, Budinger D, Barwick K, Agrotis A, Luft C, Shao Y, Lenaerts AS, Gregory A, Jeong SY, Hogarth P, Hayflick S, Barral S, Kriston-Vizi J, Gissen P, Kurian MA, Ketteler R. Cardiac glycosides restore autophagy flux in an iPSC-derived neuronal model of WDR45 deficiency. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.13.556416. [PMID: 37745522 PMCID: PMC10515824 DOI: 10.1101/2023.09.13.556416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Beta-Propeller Protein-Associated Neurodegeneration (BPAN) is one of the commonest forms of Neurodegeneration with Brain Iron Accumulation, caused by mutations in the gene encoding the autophagy-related protein, WDR45. The mechanisms linking autophagy, iron overload and neurodegeneration in BPAN are poorly understood and, as a result, there are currently no disease-modifying treatments for this progressive disorder. We have developed a patient-derived, induced pluripotent stem cell (iPSC)-based midbrain dopaminergic neuronal cell model of BPAN (3 patient, 2 age-matched controls and 2 isogenic control lines) which shows defective autophagy and aberrant gene expression in key neurodegenerative, neurodevelopmental and collagen pathways. A high content imaging-based medium-throughput blinded drug screen using the FDA-approved Prestwick library identified 5 cardiac glycosides that both corrected disease-related defective autophagosome formation and restored BPAN-specific gene expression profiles. Our findings have clear translational potential and emphasise the utility of iPSC-based modelling in elucidating disease pathophysiology and identifying targeted therapeutics for early-onset monogenic disorders.
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Affiliation(s)
- Apostolos Papandreou
- Developmental Neurosciences, Zayed Centre for Research into Rare Disease in Children, University College London Great Ormond Street Institute of Child Health, London, UK
- Laboratory for Molecular Cell Biology, University College London, London, UK
- Department of Neurology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
| | - Nivedita Singh
- Laboratory for Molecular Cell Biology, University College London, London, UK
| | - Lorita Gianfrancesco
- Developmental Neurosciences, Zayed Centre for Research into Rare Disease in Children, University College London Great Ormond Street Institute of Child Health, London, UK
| | - Dimitri Budinger
- Developmental Neurosciences, Zayed Centre for Research into Rare Disease in Children, University College London Great Ormond Street Institute of Child Health, London, UK
| | - Katy Barwick
- Developmental Neurosciences, Zayed Centre for Research into Rare Disease in Children, University College London Great Ormond Street Institute of Child Health, London, UK
| | - Alexander Agrotis
- Laboratory for Molecular Cell Biology, University College London, London, UK
| | - Christin Luft
- Laboratory for Molecular Cell Biology, University College London, London, UK
| | - Ying Shao
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge, UK
| | | | | | | | | | | | - Serena Barral
- Developmental Neurosciences, Zayed Centre for Research into Rare Disease in Children, University College London Great Ormond Street Institute of Child Health, London, UK
| | - Janos Kriston-Vizi
- Laboratory for Molecular Cell Biology, University College London, London, UK
| | - Paul Gissen
- Inborn Errors of Metabolism, Genetics & Genomic Medicine Programme, Great Ormond Street Institute of Child Health, University College London, London, UK
- Department of Metabolic Medicine, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
| | - Manju A Kurian
- Developmental Neurosciences, Zayed Centre for Research into Rare Disease in Children, University College London Great Ormond Street Institute of Child Health, London, UK
- Department of Neurology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
- These authors contributed equally
| | - Robin Ketteler
- Laboratory for Molecular Cell Biology, University College London, London, UK
- Department of Human Medicine, Medical School Berlin, Berlin, Germany
- These authors contributed equally
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12
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Wang X, Zhou Y, Ning L, Chen J, Chen H, Li X. Knockdown of ANXA10 induces ferroptosis by inhibiting autophagy-mediated TFRC degradation in colorectal cancer. Cell Death Dis 2023; 14:588. [PMID: 37666806 PMCID: PMC10477278 DOI: 10.1038/s41419-023-06114-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 08/17/2023] [Accepted: 08/24/2023] [Indexed: 09/06/2023]
Abstract
Annexin A10 (ANXA10) belongs to a family of membrane-bound calcium-dependent phospholipid-binding proteins, but its precise function remains unclear. Further research is required to understand its role in sessile serrated lesions (SSL) and colorectal cancer (CRC). We conducted transcriptome sequencing on pairs of SSL and corresponding normal control (NC) samples. Bioinformatic methods were utilized to assess ANXA10 expression in CRC. We knocked down and overexpressed ANXA10 in CRC cells to examine its effects on cell malignant ability. The effect of ANXA10 on lung metastasis of xenograft tumor cells in nude mice was also assessed. Furthermore, we used quantitative polymerase chain reaction, western blotting, and flow cytometry for reactive oxygen species (ROS), lipid ROS, and intracellular Fe2+ to measure ferroptosis. Immunoblotting and Immunofluorescence staining were used to detect autophagy. We found that ANXA10 was significantly overexpressed in SSL compared to NC. ANXA10 was also highly expressed in BRAF mutant CRCs and was associated with poor prognosis. ANXA10 knockdown reduced the survival, proliferation, and migration ability of CRC cells. Knockdown of ANXA10 inhibited lung metastasis of CRC cells in mice. ANXA10 knockdown increased transferrin receptor (TFRC) protein levels and led to downregulation of GSH/GSSG, increased Fe2+, MDA concentration, and ROS and lipid ROS in cells. Knockdown of ANXA10 inhibited TFRC degradation and was accompanied by an accumulation of autophagic flux and an increase in SQSTM1. Finally, Fer-1 rescued the migration and viability of ANXA10 knockdown cell lines. In brief, the knockdown of ANXA10 induces cellular ferroptosis by inhibiting autophagy-mediated TFRC degradation, thereby inhibiting CRC progression. This study reveals the mechanism of ANXA10 in ferroptosis, suggesting that it may serve as a potential therapeutic target for CRC of the serrated pathway.
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Affiliation(s)
- Xinyuan Wang
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yujie Zhou
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Lijun Ning
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jinnan Chen
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Huimin Chen
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaobo Li
- Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, NHC Key Laboratory of Digestive Diseases, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
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13
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Zhou Z, Li J, Zhang X. Natural Flavonoids and Ferroptosis: Potential Therapeutic Opportunities for Human Diseases. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37027486 DOI: 10.1021/acs.jafc.2c08128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Flavonoids are a class of bioactive phytochemicals containing a core 2-phenylchromone skeleton and are widely found in fruits, vegetables, and herbs. Such natural compounds have gained significant attention due to their various health benefits. Ferroptosis is a recently discovered unique iron-dependent mode of cell death. Unlike traditional regulated cell death (RCD), ferroptosis is associated with excessive lipid peroxidation on cellular membranes. Accumulating evidence suggests that this form of RCD is involved in a variety of physiological and pathological processes. Notably, multiple flavonoids have been shown to be effective in preventing and treating diverse human diseases by regulating ferroptosis. In this review, we introduce the key molecular mechanisms of ferroptosis, including iron metabolism, lipid metabolism, and several major antioxidant systems. Additionally, we summarize the promising flavonoids targeting ferroptosis, which provides novel ideas for the management of diseases such as cancer, acute liver injury, neurodegenerative diseases, and ischemia/reperfusion (I/R) injury.
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Affiliation(s)
- Zheng Zhou
- Department of Chinese Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Jiye Li
- Department of Emergency, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Xiaochuan Zhang
- Department of Chinese Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
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14
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Lv X, Tang W, Qin J, Wang W, Dong J, Wei Y. The crosslinks between ferroptosis and autophagy in asthma. Front Immunol 2023; 14:1140791. [PMID: 37063888 PMCID: PMC10090423 DOI: 10.3389/fimmu.2023.1140791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 03/17/2023] [Indexed: 03/31/2023] Open
Abstract
Autophagy is an evolutionarily conserved cellular process capable of degrading various biological molecules and organelles via the lysosomal pathway. Ferroptosis is a type of oxidative stress-dependent regulated cell death associated with the iron accumulation and lipid peroxidation. The crosslinks between ferroptosis and autophagy have been focused on since the dependence of ferroptosis on autophagy was discovered. Although the research and theories on the relationship between autophagy and ferroptosis remain scattered and fragmented, the crosslinks between these two forms of regulated cell death are closely related to the treatment of various diseases. Thereof, asthma as a chronic inflammatory disease has a tight connection with the occurrence of ferroptosis and autophagy since the crosslinked signal pathways may be the crucial regulators or exactly regulated by cells and secretion in the immune system. In addition, non-immune cells associated with asthma are also closely related to autophagy and ferroptosis. Further studies of cross-linking asthma inflammation with crosslinked signaling pathways may provide us with several key molecules that regulate asthma through specific regulators. The crosslinks between autophagy and ferroptosis provide us with a new perspective to interpret and understand the manifestations of asthma, potential drug discovery targets, and new therapeutic options to effectively intervene in the imbalance caused by abnormal inflammation in asthma. Herein, we introduce the main molecular mechanisms of ferroptosis, autophagy, and asthma, describe the role of crosslinks between ferroptosis and autophagy in asthma based on their common regulatory cells or molecules, and discuss potential drug discovery targets and therapeutic applications in the context of immunomodulatory and symptom alleviation.
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Affiliation(s)
- Xiaodi Lv
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China
- Institutes of Integrative Medicine, Fudan University, Shanghai, China
| | - Weifeng Tang
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China
- Institutes of Integrative Medicine, Fudan University, Shanghai, China
| | - Jingjing Qin
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China
- Institutes of Integrative Medicine, Fudan University, Shanghai, China
| | - Wenqian Wang
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China
- Institutes of Integrative Medicine, Fudan University, Shanghai, China
| | - Jingcheng Dong
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China
- Institutes of Integrative Medicine, Fudan University, Shanghai, China
- *Correspondence: Ying Wei, ; Jingcheng Dong,
| | - Ying Wei
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China
- Institutes of Integrative Medicine, Fudan University, Shanghai, China
- *Correspondence: Ying Wei, ; Jingcheng Dong,
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15
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Xiong Q, Sun H, Xing W, Li X, Chen G, Zhao Z, Wu C, Li P. WDR45 mutation dysregulates iron homeostasis by promoting the chaperone-mediated autophagic degradation of ferritin heavy chain in an ER stress/p38 dependent mechanism. Free Radic Biol Med 2023; 201:89-97. [PMID: 36940732 DOI: 10.1016/j.freeradbiomed.2023.03.012] [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: 12/16/2022] [Revised: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 03/23/2023]
Abstract
Ferritin is the main iron storage protein that plays a pivotal role in the regulation of iron homeostasis. Mutations in the autophagy protein WD repeat domain 45 (WDR45) that lead to iron overload is associated with the human β-propeller protein-associated neurodegeneration (BPAN). Previous studies have demonstrated that ferritin was decreased in WDR45 deficient cells, but the mechanism remains unclear. In this study, we have demonstrated that the ferritin heavy chain (FTH) could be degraded via chaperone-mediated autophagy (CMA) in ER stress/p38-dependent pathway. In HeLa cells, inducing the ER stress activated CMA, therefore facilitated the degradation of FTH, and increased the content of Fe2+. However, the increased CMA activity and Fe2+ as well as the decreased FTH by ER stress inducer were restored by pre-treatment with p38 inhibitor. Overexpression of a mutant WDR45 activated CMA thus promoted the degradation of FTH. Furthermore, inhibition of ER stress/p38 pathway resulted in reduced activity of CMA, which consequently elevated the protein level of FTH but reduced the Fe2+ level. Our results revealed that WDR45 mutation dysregulates iron homeostasis by activating CMA, and promotes FTH degradation through ER stress/p38 signaling pathway.
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Affiliation(s)
- Qiuhong Xiong
- Institutes of Biomedical Sciences, Shanxi Provincial Key Laboratory for Medical Molecular Cell Biology, Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, 030006, China.
| | - Huimin Sun
- Institutes of Biomedical Sciences, Shanxi Provincial Key Laboratory for Medical Molecular Cell Biology, Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, 030006, China
| | - Wenxiu Xing
- Institutes of Biomedical Sciences, Shanxi Provincial Key Laboratory for Medical Molecular Cell Biology, Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, 030006, China
| | - Xin Li
- Institutes of Biomedical Sciences, Shanxi Provincial Key Laboratory for Medical Molecular Cell Biology, Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, 030006, China
| | - Guangxin Chen
- Institutes of Biomedical Sciences, Shanxi Provincial Key Laboratory for Medical Molecular Cell Biology, Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, 030006, China
| | - Zhonghua Zhao
- Institutes of Biomedical Sciences, Shanxi Provincial Key Laboratory for Medical Molecular Cell Biology, Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, 030006, China
| | - Changxin Wu
- Institutes of Biomedical Sciences, Shanxi Provincial Key Laboratory for Medical Molecular Cell Biology, Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, 030006, China.
| | - Ping Li
- Institutes of Biomedical Sciences, Shanxi Provincial Key Laboratory for Medical Molecular Cell Biology, Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, 030006, China.
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16
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Tsukida K, Muramatsu SI, Osaka H, Yamagata T, Muramatsu K. WDR45 variants cause ferrous iron loss due to impaired ferritinophagy associated with nuclear receptor coactivator 4 and WD repeat domain phosphoinositide interacting protein 4 reduction. Brain Commun 2022; 4:fcac304. [PMID: 36751498 PMCID: PMC9897194 DOI: 10.1093/braincomms/fcac304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 07/01/2022] [Accepted: 11/18/2022] [Indexed: 11/25/2022] Open
Abstract
Static encephalopathy of childhood with neurodegeneration in adulthood/β-propeller protein-associated neurodegeneration is a neurodegenerative disorder with brain iron accumulation caused by the variants of WDR45, a core autophagy-related gene that encodes WD repeat domain phosphoinositide interacting protein 4. However, the pathophysiology of the disease, particularly the function of WDR45/WD repeat domain phosphoinositide interacting protein 4 in iron metabolism, is largely unknown. As no other variants of core autophagy-related genes show abnormalities in iron metabolism, the relation between autophagy and iron metabolism remains to be elucidated. Since iron deposition in the brain is the hallmark of static encephalopathy of childhood with neurodegeneration in adulthood/β-propeller protein-associated neurodegeneration, iron chelation therapy has been attempted, but it was found to worsen the symptoms; thus, the establishment of a curative treatment is essential. Here, we evaluated autophagy and iron metabolism in patient-derived cells. The expression of ferritin and ferric iron increased and that of ferrous iron decreased in the patient cells with WDR45 variants. In addition, the expression of nuclear receptor coactivator 4 was markedly reduced in patient-derived cells. Furthermore, divalent metal transporter 1, which takes in ferrous iron, was upregulated, while ferroportin, which exports ferrous iron, was downregulated in patient-derived cells. The transfer of WDR45 via an adeno-associated virus vector restored WD repeat domain phosphoinositide interacting protein 4 and nuclear receptor coactivator 4 expression, reduced ferritin levels, and improved other phenotypes observed in patient-derived cells. As nuclear receptor coactivator 4 mediates the ferritin-specific autophagy, i.e. ferritinophagy, its deficiency impaired ferritinophagy, leading to the accumulation of ferric iron-containing ferritin and insufficiency of ferrous iron. Because ferrous iron is required for various essential biochemical reactions, the changes in divalent metal transporter 1 and ferroportin levels may indicate a compensatory response for maintaining the intracellular levels of ferrous iron. Our study revealed that the pathophysiology of static encephalopathy of childhood with neurodegeneration in adulthood/β-propeller protein-associated neurodegeneration involves ferrous iron insufficiency via impaired ferritinophagy through nuclear receptor coactivator 4 expression reduction. Our findings could aid in developing a treatment strategy involving WDR45 manipulation, which may have clinical applications.
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Affiliation(s)
- Kiwako Tsukida
- Department of Pediatrics, Jichi Medical University, Tochigi 329-0498, Japan
| | - Shin-ichi Muramatsu
- Division of Neurological Gene Therapy, Jichi Medical University, Tochigi 329-0498, Japan,Center for Gene & Cell Therapy, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan
| | - Hitoshi Osaka
- Department of Pediatrics, Jichi Medical University, Tochigi 329-0498, Japan
| | - Takanori Yamagata
- Department of Pediatrics, Jichi Medical University, Tochigi 329-0498, Japan
| | - Kazuhiro Muramatsu
- Correspondence to: Kazuhiro Muramatsu, MD, PhD Department of Pediatrics, Jichi Medical University 3311-1 Yakushiji, Shimotsuke-city, Tochigi 329-0498, Japan E-mail:
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Interactions of dopamine, iron, and alpha-synuclein linked to dopaminergic neuron vulnerability in Parkinson's disease and neurodegeneration with brain iron accumulation disorders. Neurobiol Dis 2022; 175:105920. [DOI: 10.1016/j.nbd.2022.105920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 10/21/2022] [Accepted: 11/04/2022] [Indexed: 11/08/2022] Open
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Villalón-García I, Povea-Cabello S, Álvarez-Córdoba M, Talaverón-Rey M, Suárez-Rivero JM, Suárez-Carrillo A, Munuera-Cabeza M, Reche-López D, Cilleros-Holgado P, Piñero-Pérez R, Sánchez-Alcázar JA. Vicious cycle of lipid peroxidation and iron accumulation in neurodegeneration. Neural Regen Res 2022; 18:1196-1202. [PMID: 36453394 PMCID: PMC9838166 DOI: 10.4103/1673-5374.358614] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Lipid peroxidation and iron accumulation are closely associated with neurodegenerative diseases, such as Alzheimer's, Parkinson's, and Huntington's diseases, or neurodegeneration with brain iron accumulation disorders. Mitochondrial dysfunction, lipofuscin accumulation, autophagy disruption, and ferroptosis have been implicated as the critical pathomechanisms of lipid peroxidation and iron accumulation in these disorders. Currently, the connection between lipid peroxidation and iron accumulation and the initial cause or consequence in neurodegeneration processes is unclear. In this review, we have compiled the known mechanisms by which lipid peroxidation triggers iron accumulation and lipofuscin formation, and the effect of iron overload on lipid peroxidation and cellular function. The vicious cycle established between both pathological alterations may lead to the development of neurodegeneration. Therefore, the investigation of these mechanisms is essential for exploring therapeutic strategies to restrict neurodegeneration. In addition, we discuss the interplay between lipid peroxidation and iron accumulation in neurodegeneration, particularly in PLA2G6-associated neurodegeneration, a rare neurodegenerative disease with autosomal recessive inheritance, which belongs to the group of neurodegeneration with brain iron accumulation disorders.
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Affiliation(s)
- Irene Villalón-García
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Suleva Povea-Cabello
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Mónica Álvarez-Córdoba
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Marta Talaverón-Rey
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Juan M. Suárez-Rivero
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Alejandra Suárez-Carrillo
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Manuel Munuera-Cabeza
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Diana Reche-López
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Paula Cilleros-Holgado
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - Rocío Piñero-Pérez
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain
| | - José A. Sánchez-Alcázar
- Centro Andaluz de Biología del Desarrollo (CABD-CSIC-Universidad Pablo de Olavide de Sevilla), and Centro de Investigación Biomédica en Red: Enfermedades Raras, Instituto de Salud Carlos III, Sevilla, Spain,Correspondence to: José A. Sánchez-Alcázar, MD, PhD, .
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New Players in Neuronal Iron Homeostasis: Insights from CRISPRi Studies. Antioxidants (Basel) 2022; 11:antiox11091807. [PMID: 36139881 PMCID: PMC9495848 DOI: 10.3390/antiox11091807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/02/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022] Open
Abstract
Selective regional iron accumulation is a hallmark of several neurodegenerative diseases, including Alzheimer’s disease and Parkinson’s disease. The underlying mechanisms of neuronal iron dyshomeostasis have been studied, mainly in a gene-by-gene approach. However, recent high-content phenotypic screens using CRISPR/Cas9-based gene perturbations allow for the identification of new pathways that contribute to iron accumulation in neuronal cells. Herein, we perform a bioinformatic analysis of a CRISPR-based screening of lysosomal iron accumulation and the functional genomics of human neurons derived from induced pluripotent stem cells (iPSCs). Consistent with previous studies, we identified mitochondrial electron transport chain dysfunction as one of the main mechanisms triggering iron accumulation, although we substantially expanded the gene set causing this phenomenon, encompassing mitochondrial complexes I to IV, several associated assembly factors, and coenzyme Q biosynthetic enzymes. Similarly, the loss of numerous genes participating through the complete macroautophagic process elicit iron accumulation. As a novelty, we found that the impaired synthesis of glycophosphatidylinositol (GPI) and GPI-anchored protein trafficking also trigger iron accumulation in a cell-autonomous manner. Finally, the loss of critical components of the iron transporters trafficking machinery, including MON2 and PD-associated gene VPS35, also contribute to increased neuronal levels. Our analysis suggests that neuronal iron accumulation can arise from the dysfunction of an expanded, previously uncharacterized array of molecular pathways.
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Almannai M, Marafi D, El-Hattab AW. WIPI proteins: Biological functions and related syndromes. Front Mol Neurosci 2022; 15:1011918. [PMID: 36157071 PMCID: PMC9500159 DOI: 10.3389/fnmol.2022.1011918] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 08/10/2022] [Indexed: 11/13/2022] Open
Abstract
WIPI (WD-repeat protein Interacting with PhosphoInositides) are important effectors in autophagy. These proteins bind phosphoinositides and recruit autophagy proteins. In mammals, there are four WIPI proteins: WIPI1, WIPI2, WIPI3 (WDR45B), and WIPI4 (WDR45). These proteins consist of a seven-bladed β-propeller structure. Recently, pathogenic variants in genes encoding these proteins have been recognized to cause human diseases with a predominant neurological phenotype. Defects in WIPI2 cause a disease characterized mainly by intellectual disability and variable other features while pathogenic variants in WDR45B and WDR45 have been recently reported to cause El-Hattab-Alkuraya syndrome and beta-propeller protein-associated neurodegeneration (BPAN), respectively. Whereas, there is no disease linked to WIPI1 yet, one study linked it neural tube defects (NTD). In this review, the role of WIPI proteins in autophagy is discussed first, then syndromes related to these proteins are summarized.
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Affiliation(s)
- Mohammed Almannai
- Genetics and Precision Medicine Department, King Abdullah Specialized Children's Hospital, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia
- *Correspondence: Mohammed Almannai
| | - Dana Marafi
- Department of Pediatrics, Faculty of Medicine, Kuwait University, Jabriya, Kuwait
| | - Ayman W. El-Hattab
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Department of Pediatrics, University Hospital Sharjah, Sharjah, United Arab Emirates
- Genetics and Metabolic Department, KidsHeart Medical Center, Abu Dhabi, United Arab Emirates
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Diaw SH, Ganos C, Zittel S, Plötze-Martin K, Kulikovskaja L, Vos M, Westenberger A, Rakovic A, Lohmann K, Dulovic-Mahlow M. Mutant WDR45 Leads to Altered Ferritinophagy and Ferroptosis in β-Propeller Protein-Associated Neurodegeneration. Int J Mol Sci 2022; 23:ijms23179524. [PMID: 36076926 PMCID: PMC9455908 DOI: 10.3390/ijms23179524] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/16/2022] [Accepted: 08/19/2022] [Indexed: 12/04/2022] Open
Abstract
Beta-propeller protein-associated neurodegeneration (BPAN) is a subtype of neurodegeneration with brain iron accumulation (NBIA) caused by loss-of-function variants in WDR45. The underlying mechanism of iron accumulation in WDR45 deficiency remains elusive. We established a primary skin fibroblast culture of a new BPAN patient with a missense variant p.(Asn61Lys) in WDR45 (NM_007075.3: c.183C>A). The female patient has generalized dystonia, anarthria, parkinsonism, spasticity, stereotypies, and a distinctive cranial MRI with generalized brain atrophy, predominantly of the cerebellum. For the functional characterization of this variant and to provide a molecular link of WDR45 and iron accumulation, we looked for disease- and variant-related changes in the patient’s fibroblasts by qPCR, immunoblotting and immunofluorescence comparing to three controls and a previously reported WDR45 patient. We demonstrated molecular changes in mutant cells comprising an impaired mitochondrial network, decreased levels of lysosomal proteins and enzymes, and altered autophagy, confirming the pathogenicity of the variant. Compared to increased levels of the ferritinophagy marker Nuclear Coactivator 4 (NCOA4) in control cells upon iron treatment, patients’ cells revealed unchanged NCOA4 protein levels, indicating disturbed ferritinophagy. Additionally, we observed abnormal protein levels of markers of the iron-dependent cell death ferroptosis in patients’ cells. Altogether, our data suggests that WDR45 deficiency affects ferritinophagy and ferroptosis, consequentially disturbing iron recycling.
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Affiliation(s)
| | - Christos Ganos
- Department of Neurology, Charité—University Medicine, 10117 Berlin, Germany
| | - Simone Zittel
- Department of Neurology, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | | | | | - Melissa Vos
- Institute of Neurogenetics, University of Lübeck, 23562 Lübeck, Germany
| | - Ana Westenberger
- Institute of Neurogenetics, University of Lübeck, 23562 Lübeck, Germany
| | | | - Katja Lohmann
- Institute of Neurogenetics, University of Lübeck, 23562 Lübeck, Germany
- Correspondence:
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Liu X, Zhang Y, Wu X, Xu F, Ma H, Wu M, Xia Y. Targeting Ferroptosis Pathway to Combat Therapy Resistance and Metastasis of Cancer. Front Pharmacol 2022; 13:909821. [PMID: 35847022 PMCID: PMC9280276 DOI: 10.3389/fphar.2022.909821] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 05/20/2022] [Indexed: 01/18/2023] Open
Abstract
Ferroptosis is an iron-dependent regulated form of cell death caused by excessive lipid peroxidation. This form of cell death differed from known forms of cell death in morphological and biochemical features such as apoptosis, necrosis, and autophagy. Cancer cells require higher levels of iron to survive, which makes them highly susceptible to ferroptosis. Therefore, it was found to be closely related to the progression, treatment response, and metastasis of various cancer types. Numerous studies have found that the ferroptosis pathway is closely related to drug resistance and metastasis of cancer. Some cancer cells reduce their susceptibility to ferroptosis by downregulating the ferroptosis pathway, resulting in resistance to anticancer therapy. Induction of ferroptosis restores the sensitivity of drug-resistant cancer cells to standard treatments. Cancer cells that are resistant to conventional therapies or have a high propensity to metastasize might be particularly susceptible to ferroptosis. Some biological processes and cellular components, such as epithelial–mesenchymal transition (EMT) and noncoding RNAs, can influence cancer metastasis by regulating ferroptosis. Therefore, targeting ferroptosis may help suppress cancer metastasis. Those progresses revealed the importance of ferroptosis in cancer, In order to provide the detailed molecular mechanisms of ferroptosis in regulating therapy resistance and metastasis and strategies to overcome these barriers are not fully understood, we described the key molecular mechanisms of ferroptosis and its interaction with signaling pathways related to therapy resistance and metastasis. Furthermore, we summarized strategies for reversing resistance to targeted therapy, chemotherapy, radiotherapy, and immunotherapy and inhibiting cancer metastasis by modulating ferroptosis. Understanding the comprehensive regulatory mechanisms and signaling pathways of ferroptosis in cancer can provide new insights to enhance the efficacy of anticancer drugs, overcome drug resistance, and inhibit cancer metastasis.
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Affiliation(s)
- Xuan Liu
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
- West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Yiqian Zhang
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
- West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Xuyi Wu
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Rehabilitation Medicine in Sichuan Province/Rehabilitation Medicine Research Institute, Chengdu, China
| | - Fuyan Xu
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Hongbo Ma
- West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Mengling Wu
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Yong Xia
- Department of Rehabilitation Medicine, West China Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Rehabilitation Medicine in Sichuan Province/Rehabilitation Medicine Research Institute, Chengdu, China
- *Correspondence: Yong Xia,
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Cerebral Iron Deposition in Neurodegeneration. Biomolecules 2022; 12:biom12050714. [PMID: 35625641 PMCID: PMC9138489 DOI: 10.3390/biom12050714] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 05/12/2022] [Accepted: 05/13/2022] [Indexed: 02/04/2023] Open
Abstract
Disruption of cerebral iron regulation appears to have a role in aging and in the pathogenesis of various neurodegenerative disorders. Possible unfavorable impacts of iron accumulation include reactive oxygen species generation, induction of ferroptosis, and acceleration of inflammatory changes. Whole-brain iron-sensitive magnetic resonance imaging (MRI) techniques allow the examination of macroscopic patterns of brain iron deposits in vivo, while modern analytical methods ex vivo enable the determination of metal-specific content inside individual cell-types, sometimes also within specific cellular compartments. The present review summarizes the whole brain, cellular, and subcellular patterns of iron accumulation in neurodegenerative diseases of genetic and sporadic origin. We also provide an update on mechanisms, biomarkers, and effects of brain iron accumulation in these disorders, focusing on recent publications. In Parkinson’s disease, Friedreich’s disease, and several disorders within the neurodegeneration with brain iron accumulation group, there is a focal siderosis, typically in regions with the most pronounced neuropathological changes. The second group of disorders including multiple sclerosis, Alzheimer’s disease, and amyotrophic lateral sclerosis shows iron accumulation in the globus pallidus, caudate, and putamen, and in specific cortical regions. Yet, other disorders such as aceruloplasminemia, neuroferritinopathy, or Wilson disease manifest with diffuse iron accumulation in the deep gray matter in a pattern comparable to or even more extensive than that observed during normal aging. On the microscopic level, brain iron deposits are present mostly in dystrophic microglia variably accompanied by iron-laden macrophages and in astrocytes, implicating a role of inflammatory changes and blood–brain barrier disturbance in iron accumulation. Options and potential benefits of iron reducing strategies in neurodegeneration are discussed. Future research investigating whether genetic predispositions play a role in brain Fe accumulation is necessary. If confirmed, the prevention of further brain Fe uptake in individuals at risk may be key for preventing neurodegenerative disorders.
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Liu L, Zhang C, Qu S, Liu R, Chen H, Liang Z, Tian Z, Li L, Ma S, Liu X. ESR1 inhibits ionizing radiation-induced ferroptosis in breast cancer cells via the NEDD4L/CD71 pathway. Arch Biochem Biophys 2022; 725:109299. [DOI: 10.1016/j.abb.2022.109299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 11/02/2022]
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Han D, Yao Y, Chen L, Miao Z, Xu S. Apigenin ameliorates di(2-ethylhexyl) phthalate-induced ferroptosis: The activation of glutathione peroxidase 4 and suppression of iron intake. Food Chem Toxicol 2022; 164:113089. [PMID: 35500696 DOI: 10.1016/j.fct.2022.113089] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/28/2022] [Accepted: 04/26/2022] [Indexed: 10/18/2022]
Abstract
Di(2-ethylhexyl) phthalate (DEHP) is a widely artificial persistent organic pollutant, the contamination of which infiltrates daily human life from many aspects, imperceptibly causing damage to multiple organs in the body, including the liver. Apigenin (APG) is widely distributed in vegetables and fruits and can relieve or prevent the injuries caused by exogenous chemicals through various pharmacological effects, such as antioxidant effects. To investigate the mechanism of DEHP-induced liver injury and the antagonistic effects of APG, we treated AML12 cells with 1 mM DEHP and/or APG. Ultrastructural morphology analysis indicated that DEHP induced typical ferroptosis-like damage. In addition, we found that DEHP exposure induced ferroptosis by enhancing reactive oxygen species (ROS) levels, disrupting iron homeostasis and lipid peroxidation, and regulating the expression of ferroptosis-related genes. Notably, supplementation with APG significantly inhibited these abnormal changes, and molecular docking further showed evidence of the activating effects of APG ligand on glutathione peroxidase 4 (GPX4). These results demonstrated that the protective effects of APG on DEHP-induced ferroptosis were achieved by activating GPX4 and suppressing intracellular iron accumulation. This information not only adds to DEHP toxicological data but also provides a basis for the practical application of APG.
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Affiliation(s)
- Dongxu Han
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Yujie Yao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Lu Chen
- College of Animal Science, Tarim University, Alar, Xinjiang Uygur Autonomous Region, 843300, PR China
| | - Zhiying Miao
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Shiwen Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China.
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Towards Precision Therapies for Inherited Disorders of Neurodegeneration with Brain Iron Accumulation. Tremor Other Hyperkinet Mov (N Y) 2021; 11:51. [PMID: 34909266 PMCID: PMC8641530 DOI: 10.5334/tohm.661] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 11/05/2021] [Indexed: 12/13/2022] Open
Abstract
Background: Neurodegeneration with brain iron accumulation (NBIA) disorders comprise a group of rare but devastating inherited neurological diseases with unifying features of progressive cognitive and motor decline, and increased iron deposition in the basal ganglia. Although at present there are no proven disease-modifying treatments, the severe nature of these monogenic disorders lends to consideration of personalized medicine strategies, including targeted gene therapy. In this review we summarize the progress and future direction towards precision therapies for NBIA disorders. Methods: This review considered all relevant publications up to April 2021 using a systematic search strategy of PubMed and clinical trials databases. Results: We review what is currently known about the underlying pathophysiology of NBIA disorders, common NBIA disease pathways, and how this knowledge has influenced current management strategies and clinical trial design. The safety profile, efficacy and clinical outcome of clinical studies are reviewed. Furthermore, the potential for future therapeutic approaches is also discussed. Discussion: Therapeutic options in NBIAs remain very limited, with no proven disease-modifying treatments at present. However, a number of different approaches are currently under development with increasing focus on targeted precision therapies. Recent advances in the field give hope that novel strategies, such as gene therapy, gene editing and substrate replacement therapies are both scientifically and financially feasible for these conditions. Highlights This article provides an up-to-date review of the current literature about Neurodegeneration with Brain Iron Accumulation (NBIA), with a focus on disease pathophysiology, current and previously trialed therapies, and future treatments in development, including consideration of potential genetic therapy approaches.
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Lee HE, Jung MK, Noh SG, Choi HB, Chae SH, Lee JH, Mun JY. Iron Accumulation and Changes in Cellular Organelles in WDR45 Mutant Fibroblasts. Int J Mol Sci 2021; 22:ijms222111650. [PMID: 34769084 PMCID: PMC8584078 DOI: 10.3390/ijms222111650] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 10/12/2021] [Accepted: 10/22/2021] [Indexed: 12/16/2022] Open
Abstract
Iron overload in the brain, defined as excess stores of iron, is known to be associated with neurological disorders. In neurodegeneration accompanied by brain iron accumulation, we reported a specific point mutation, c.974-1G>A in WD Repeat Domain 45 (WDR45), showing iron accumulation in the brain, and autophagy defects in the fibroblasts. In this study, we investigated whether fibroblasts with mutated WDR45 accumulated iron, and other effects on cellular organelles. We first identified the main location of iron accumulation in the mutant fibroblasts and then investigated the effects of this accumulation on cellular organelles, including lipid droplets, mitochondria and lysosomes. Ultrastructure analysis using transmission electron microscopy (TEM) and confocal microscopy showed structural changes in the organelles. Increased numbers of lipid droplets, fragmented mitochondria and increased numbers of lysosomal vesicles with functional disorder due to WDR45 deficiency were observed. Based on correlative light and electron microscopy (CLEM) findings, most of the iron accumulation was noted in the lysosomal vesicles. These changes were associated with defects in autophagy and defective protein and organelle turnover. Gene expression profiling analysis also showed remarkable changes in lipid metabolism, mitochondrial function, and autophagy-related genes. These data suggested that functional and structural changes resulted in impaired lipid metabolism, mitochondrial disorder, and unbalanced autophagy fluxes, caused by iron overload.
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Affiliation(s)
- Hye Eun Lee
- Neural Circuit Research Group, Korea Brain Research Institute, Daegu 41068, Korea; (H.E.L.); (M.K.J.); (S.G.N.)
| | - Min Kyo Jung
- Neural Circuit Research Group, Korea Brain Research Institute, Daegu 41068, Korea; (H.E.L.); (M.K.J.); (S.G.N.)
| | - Seul Gi Noh
- Neural Circuit Research Group, Korea Brain Research Institute, Daegu 41068, Korea; (H.E.L.); (M.K.J.); (S.G.N.)
- Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science and Technology, Daegu 42988, Korea
| | - Hye Bin Choi
- Neurovascular Unit Research Group, Korea Brain Research Institute, Daegu 41068, Korea;
| | - Se hyun Chae
- Neurovascular Unit Research Group, Korea Brain Research Institute, Daegu 41068, Korea;
- Correspondence: (S.h.C.); (J.Y.M.); Tel.: +82-53-980-8410 (J.Y.M.)
| | - Jae Hyeok Lee
- Department of Neurology, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Korea;
- Medical Research Institute, Pusan National University School of Medicine, Yangsan 50612, Korea
| | - Ji Young Mun
- Neural Circuit Research Group, Korea Brain Research Institute, Daegu 41068, Korea; (H.E.L.); (M.K.J.); (S.G.N.)
- Correspondence: (S.h.C.); (J.Y.M.); Tel.: +82-53-980-8410 (J.Y.M.)
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Chen X, Kang R, Kroemer G, Tang D. Organelle-specific regulation of ferroptosis. Cell Death Differ 2021; 28:2843-2856. [PMID: 34465893 PMCID: PMC8481335 DOI: 10.1038/s41418-021-00859-z] [Citation(s) in RCA: 136] [Impact Index Per Article: 45.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/18/2021] [Accepted: 08/20/2021] [Indexed: 02/07/2023] Open
Abstract
Ferroptosis, a cell death modality characterized by iron-dependent lipid peroxidation, is involved in the development of multiple pathological conditions, including ischemic tissue damage, infection, neurodegeneration, and cancer. The cellular machinery responsible for the execution of ferroptosis integrates multiple pro-survival or pro-death signals from subcellular organelles and then 'decides' whether to engage the lethal process or not. Here, we outline the evidence implicating different organelles (including mitochondria, lysosomes, endoplasmic reticulum, lipid droplets, peroxisomes, Golgi apparatus, and nucleus) in the ignition or avoidance of ferroptosis, while emphasizing their potential relevance for human disease and their targetability for pharmacological interventions.
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Affiliation(s)
- Xin Chen
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, The Third Affiliated Hospital, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China
| | - Rui Kang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, USA.
| | - Guido Kroemer
- Centre de Recherche des Cordeliers, Equipe labellisée par la Ligue contre le cancer, Université de Paris, Sorbonne Université, INSERM U1138, Institut Universitaire de France, Paris, France.
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Campus, Villejuif, France.
- Pôle de Biologie, Hôpital Européen Georges Pompidou, AP-HP, Paris, France.
| | - Daolin Tang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, The Third Affiliated Hospital, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China.
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, USA.
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