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Liu X, Xie C, Wang Y, Xiang J, Chen L, Yuan J, Chen C, Tian H. Ferritinophagy and Ferroptosis in Cerebral Ischemia Reperfusion Injury. Neurochem Res 2024; 49:1965-1979. [PMID: 38834843 PMCID: PMC11233298 DOI: 10.1007/s11064-024-04161-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/07/2024] [Accepted: 05/22/2024] [Indexed: 06/06/2024]
Abstract
Cerebral ischemia-reperfusion injury (CIRI) is the second leading cause of death worldwide, posing a huge risk to human life and health. Therefore, investigating the pathogenesis underlying CIRI and developing effective treatments are essential. Ferroptosis is an iron-dependent mode of cell death, which is caused by disorders in iron metabolism and lipid peroxidation. Previous studies demonstrated that ferroptosis is also a form of autophagic cell death, and nuclear receptor coactivator 4(NCOA4) mediated ferritinophagy was found to regulate ferroptosis by interfering with iron metabolism. Ferritinophagy and ferroptosis are important pathogenic mechanisms in CIRI. This review mainly summarizes the link and regulation between ferritinophagy and ferroptosis and further discusses their mechanisms in CIRI. In addition, the potential treatment methods targeting ferritinophagy and ferroptosis for CIRI are presented, providing new ideas for the prevention and treatment of clinical CIRI in the future.
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Affiliation(s)
- Xiaoyue Liu
- School of Acupuncture-moxibustion, Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Canming Xie
- School of Acupuncture-moxibustion, Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yao Wang
- School of Acupuncture-moxibustion, Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Jing Xiang
- School of Acupuncture-moxibustion, Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Litong Chen
- School of Acupuncture-moxibustion, Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Jia Yuan
- School of Acupuncture-moxibustion, Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Chutao Chen
- School of Acupuncture-moxibustion, Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Haomei Tian
- School of Acupuncture-moxibustion, Tuina and Rehabilitation, Hunan University of Chinese Medicine, Changsha, 410208, China.
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Bao L, Zhao Y, Duan S, Wu K, Shan R, Liu Y, Yang Y, Chen Q, Song C, Li W. Ferroptosis is involved in Staphylococcus aureus-induced mastitis through autophagy activation by endoplasmic reticulum stress. Int Immunopharmacol 2024; 140:112818. [PMID: 39083924 DOI: 10.1016/j.intimp.2024.112818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 07/17/2024] [Accepted: 07/25/2024] [Indexed: 08/02/2024]
Abstract
Cell death caused by severe Staphylococcus aureus (S. aureus) infection is a fatal threat to humans and animals. However, whether ferroptosis, an iron-dependent form of cell death, is involved in S. aureus-induced cell death and its role in S. aureus-induced diseases are unclear. Using a mouse mastitis model and mammary epithelial cells (MMECs), we investigated the role of ferroptosis in the pathogenesis of S. aureus infection. The results revealed that S. aureus-induced ferroptosis in vivo and in vitro as demonstrated by dose-dependent increases in cell death; the level of malondialdehyde (MDA), the final product of lipid peroxidation; and dose-dependent decrease the production of the antioxidant glutathione (GSH). Treatment with typical inhibitors of ferroptosis, including ferrostatin-1 (Fer-1) and deferiprone (DFO), significantly inhibited S. aureus-induced death in MMECs. Mechanistically, treatment with S. aureus activated the protein kinase RNA-like ER kinase (PERK)-eukaryotic initiation factor 2, α subunit (eIF2α)-activating transcription factor 4 (ATF4)-C/EBP homologous protein (CHOP) pathway, which subsequently upregulated autophagy and promoted S. aureus-induced ferroptosis. The activation of autophagy degraded ferritin, resulting in iron dysregulation and ferroptosis. In addition, we found that excessive reactive oxygen species (ROS) production induced ferroptosis and activated endoplasmic reticulum (ER) stress, manifesting as elevated p-PERK-p-eIF2α-ATF4-CHOP pathway protein levels. Collectively, our findings indicate that ferroptosis is involved in S. aureus-induced mastitis via ER stress-mediated autophagy activation, implying a potential strategy for the prevention of S. aureus-associated diseases by targeting ferroptosis. In conclusion, the ROS-ER stress-autophagy axis is involved in regulating S. aureus-induced ferroptosis in MMECs. These findings not only provide a new potential mechanism for mastitis induced by S. aureus but also provide a basis for the treatment of other ferroptotic-related diseases.
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Affiliation(s)
- Lijuan Bao
- Department of Breast Surgery, China-Japan Union Hospital of Jilin University, Erdao District, 126 Sendai Street, Changchun, Jilin Province 130033, China; Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province 130062, China
| | - Yihong Zhao
- Department of Breast Surgery, China-Japan Union Hospital of Jilin University, Erdao District, 126 Sendai Street, Changchun, Jilin Province 130033, China; Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province 130062, China
| | - Shiyu Duan
- Department of Breast Surgery, China-Japan Union Hospital of Jilin University, Erdao District, 126 Sendai Street, Changchun, Jilin Province 130033, China; Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province 130062, China
| | - Keyi Wu
- Department of Breast Surgery, China-Japan Union Hospital of Jilin University, Erdao District, 126 Sendai Street, Changchun, Jilin Province 130033, China; Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province 130062, China
| | - Ruping Shan
- Department of Breast Surgery, China-Japan Union Hospital of Jilin University, Erdao District, 126 Sendai Street, Changchun, Jilin Province 130033, China; Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province 130062, China
| | - Yi Liu
- Department of Breast Surgery, China-Japan Union Hospital of Jilin University, Erdao District, 126 Sendai Street, Changchun, Jilin Province 130033, China; Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province 130062, China
| | - Yang Yang
- Department of Breast Surgery, China-Japan Union Hospital of Jilin University, Erdao District, 126 Sendai Street, Changchun, Jilin Province 130033, China; Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province 130062, China
| | - Qiujie Chen
- Department of Breast Surgery, China-Japan Union Hospital of Jilin University, Erdao District, 126 Sendai Street, Changchun, Jilin Province 130033, China; Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province 130062, China
| | - Changlong Song
- Department of Breast Surgery, China-Japan Union Hospital of Jilin University, Erdao District, 126 Sendai Street, Changchun, Jilin Province 130033, China.
| | - Wenjia Li
- Department of Breast Surgery, China-Japan Union Hospital of Jilin University, Erdao District, 126 Sendai Street, Changchun, Jilin Province 130033, China.
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Liu L, Gao W, Yang S, Yang F, Li S, Tian Y, Yang L, Deng Q, Gan Z, Tu S. Ferritinophagy-Mediated Hippocampus Ferroptosis is Involved in Cognitive Impairment in Immature Rats Induced by Hypoxia Combined with Propofol. Neurochem Res 2024; 49:1703-1719. [PMID: 38512425 DOI: 10.1007/s11064-024-04128-6] [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: 10/21/2023] [Revised: 02/12/2024] [Accepted: 02/14/2024] [Indexed: 03/23/2024]
Abstract
Propofol is a clinically common intravenous general anesthetic and is widely used for anesthesia induction, maintenance and intensive care unit (ICU) sedation in children. Hypoxemia is a common perioperative complication. In clinical work, we found that children with hypoxemia who received propofol anesthesia experienced significant postoperative cognitive changes. To explore the causes of this phenomenon, we conducted the study. In this study, our in vivo experiments found that immature rats exposed to hypoxia combined with propofol (HCWP) could develop cognitive impairment. We performed the RNA-seq analysis of its hippocampal tissues and found that autophagy and ferroptosis may play a role in our model. Next, we verified the participation of the two modes of death by detecting the expression of autophagy-related indexes Sequestosome 1 (SQSTM1) and Beclin1, and ferroptosis-related indicators Fe2+, reactive oxygen species (ROS) and glutathione peroxidase 4 (GPX4). Meanwhile, we found that ferrostatin-1 (Fer-1), an inhibitor of ferroptosis, could improve cognitive impairment in immature rats caused by HCWP. In addition, we found that nuclear receptor coactivator 4 (NCOA4)-mediated ferritinophagy, which acted as a key junction between autophagy and ferroptosis, was also involved. Finally, our in vitro experiments concluded that autophagy activation was an upstream factor in HCWP-induced hippocampus ferroptosis through the intervention of autophagy inhibitor 3-methyladenine (3-MA). Our study was expected to provide an attractive therapeutic target for cognitive impairment that occurred after HCWP exposures.
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Affiliation(s)
- Ling Liu
- Department of Anesthesiology Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Neurodevelopment and Cognitive Disorders, Chongqing City, China
| | - Wen Gao
- Department of Anesthesiology Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Neurodevelopment and Cognitive Disorders, Chongqing City, China
| | - Shun Yang
- Department of Anesthesiology Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Neurodevelopment and Cognitive Disorders, Chongqing City, China
| | - Fei Yang
- Department of Anesthesiology Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Neurodevelopment and Cognitive Disorders, Chongqing City, China
| | - Shangyingying Li
- Department of Anesthesiology Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Neurodevelopment and Cognitive Disorders, Chongqing City, China
| | - Yaqiong Tian
- Department of Anesthesiology Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Neurodevelopment and Cognitive Disorders, Chongqing City, China
| | - Li Yang
- Department of Anesthesiology Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Neurodevelopment and Cognitive Disorders, Chongqing City, China
| | - Qianyu Deng
- Department of Anesthesiology Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Neurodevelopment and Cognitive Disorders, Chongqing City, China
| | - Zhengwei Gan
- Department of Anesthesiology Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Neurodevelopment and Cognitive Disorders, Chongqing City, China
| | - Shengfen Tu
- Department of Anesthesiology Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Neurodevelopment and Cognitive Disorders, Chongqing City, China.
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Wang D, Wu Y, Zhou X, Liang C, Ma Y, Yuan Q, Wu Z, Hao X, Zhu X, Li X, Shi J, Chen J, Fan H. Cadmium exposure induced neuronal ferroptosis and cognitive deficits via the mtROS-ferritinophagy pathway. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 349:123958. [PMID: 38621452 DOI: 10.1016/j.envpol.2024.123958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/24/2024] [Accepted: 04/09/2024] [Indexed: 04/17/2024]
Abstract
Exposure to environmental cadmium (Cd) is known to cause neuronal death and cognitive decline in humans. Ferroptosis, a novel iron-dependent type of regulated cell death, is involved in various neurological disorders. In the present study, Cd exposure triggered ferroptosis in the mouse hippocampus and in the HT22 murine hippocampal neuronal cell line, as indicated by significant increases in ferroptotic marker expression, intracellular iron levels, and lipid peroxidation. Interestingly, ferroptosis of hippocampal neurons in response to Cd exposure relied on the induction of autophagy since the suppression of autophagy by 3-methyladenine (3-MA) and chloroquine (CQ) substantially ameliorated Cd-induced ferroptosis. Furthermore, nuclear receptor coactivator 4 (NCOA4)-mediated degradation of ferritin was required for the Cd-induced ferroptosis of hippocampal neurons, demonstrating that NCOA4 knockdown decreased intracellular iron levels and lipid peroxidation and increased cell survival, following Cd exposure. Moreover, Cd-induced mitochondrial reactive oxygen species (mtROS) generation was essential for the ferritinophagy-mediated ferroptosis of hippocampal neurons. Importantly, pretreatment with the ferroptosis inhibitor ferrostatin-1 (Fer-1) effectively attenuated Cd-induced hippocampal neuronal death and cognitive impairment in mice. Taken together, these findings indicate that ferroptosis is a novel mechanism underlying Cd-induced neurotoxicity and cognitive impairment and that the mtROS-ferritinophagy axis modulates Cd-induced neuronal ferroptosis.
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Affiliation(s)
- Dongmei Wang
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, China
| | - Yiran Wu
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, China
| | - Xiang Zhou
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, China
| | - Chen Liang
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, China
| | - Yilu Ma
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, China
| | - Quan Yuan
- Henan Province Rongkang Hospital, Luoyang, China
| | - Ziyue Wu
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, China
| | - Xueqin Hao
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, China
| | - Xiaoying Zhu
- College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology, Luoyang, China
| | - Xinyu Li
- Office of Research & Innovation, The First Affiliated Hospital, College of Clinical Medicine, Henan University of Science and Technology, Luoyang, China
| | - Jian Shi
- Office of Research & Innovation, The First Affiliated Hospital, College of Clinical Medicine, Henan University of Science and Technology, Luoyang, China
| | - Junliang Chen
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang, China
| | - Hua Fan
- Office of Research & Innovation, The First Affiliated Hospital, College of Clinical Medicine, Henan University of Science and Technology, Luoyang, China.
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Wang C, Leng M, Ding C, Zhu X, Zhang Y, Sun C, Lou P. Ferritinophagy-mediated ferroptosis facilitates methotrexate-induced hepatotoxicity by high-mobility group box 1 (HMGB1). Liver Int 2024; 44:691-705. [PMID: 38082504 DOI: 10.1111/liv.15811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/16/2023] [Accepted: 11/22/2023] [Indexed: 03/01/2024]
Abstract
BACKGROUND AND AIM Hepatotoxicity is a well-defined reaction to methotrexate (MTX), a drug commonly used for the treatment of rheumatoid arthritis and various tumours. We sought to elucidate the mechanism underlying MTX-induced hepatotoxicity and establish a potentially effective intervention strategy. METHODS We administered MTX to liver cells and mice and assessed hepatotoxicity by cell viability assay and hepatic pathological changes. We determined ferroptosis and ferritinophagy by detecting ferroptosis-related markers and autophagic degradation of ferritin heavy chain 1 (FTH1). RESULTS We have shown that hepatocytes treated with MTX undergo ferroptosis, and this process can be attenuated by ferroptosis inhibitors. Interestingly, NCOA4-mediated ferritinophagy was found to be involved in MTX-induced ferroptosis, which was demonstrated by the relief of ferroptosis through the inhibition of autophagy or knockdown of Ncoa4. Furthermore, MTX treatment resulted in the elevation of high-mobility group box 1 (HMGB1) expression. The depletion of Hmgb1 in hepatocytes considerably alleviated MTX-induced hepatotoxicity by limiting autophagy and the subsequent autophagy-dependent ferroptosis. It is noteworthy that glycyrrhizic acid (GA), a precise inhibitor of HMGB1, effectively suppressed autophagy, ferroptosis and hepatotoxicity caused by MTX. CONCLUSION Our study shows the significant roles of autophagy-dependent ferroptosis and HMGB1 in MTX-induced hepatotoxicity. It emphasizes that the inhibition of ferritinophagy and HMGB1 may have potential as a therapeutic approach for preventing and treating MTX-induced liver injury.
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Affiliation(s)
- Chengbo Wang
- Institute of Pediatric Medicine, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou, Henan, China
| | - Maodong Leng
- Institute of Pediatric Medicine, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou, Henan, China
| | - Cong Ding
- Institute of Pediatric Medicine, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou, Henan, China
| | - Xiangzhan Zhu
- Institute of Pediatric Medicine, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou, Henan, China
| | - Yaodong Zhang
- Institute of Pediatric Medicine, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou, Henan, China
| | - Chenchen Sun
- The Second Department of General Surgery, Anyang Tumor Hospital Affiliated to Henan University of Science and Technology, Anyang Tumor Hospital, Anyang, Henan, China
| | - Pu Lou
- Institute of Pediatric Medicine, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou, Henan, China
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Abdalhameid E, Abd El-Haleim EA, Abdelsalam RM, Georgy GS, Fawzy HM, Kenawy SA. Cinnamic acid mitigates methotrexate-induced lung fibrosis in rats: comparative study with pirfenidone. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:1071-1079. [PMID: 37581637 PMCID: PMC10791841 DOI: 10.1007/s00210-023-02652-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 07/28/2023] [Indexed: 08/16/2023]
Abstract
PURPOSE Lung fibrosis is a heterogeneous lung condition characterized by excessive accumulation of scarred tissue, leading to lung architecture destruction and restricted ventilation. The current work was conducted to examine the probable shielding influence of cinnamic acid against lung fibrosis induced by methotrexate. METHODS Rats were pre-treated with oral administration of cinnamic acid (50 mg/kg/day) for 14 days, whereas methotrexate (14 mg/kg) was orally given on the 5th and 12th days of the experiment. Pirfenidone (50 mg/kg/day) was used as a standard drug. At the end of the experiment, oxidative parameters (malondialdehyde, myeloperoxidase, nitric oxide, and total glutathione) and inflammatory mediators (tumor necrosis factor-α and interleukin-8), as well as transforming growth factor-β and collagen content, as fibrosis indicators, were measured in lung tissue. RESULTS Our results revealed that cinnamic acid, as pirfenidone, effectively prevented the methotrexate-induced overt histopathological damage. This was associated with parallel improvements in oxidative, inflammatory, and fibrotic parameters measured. The outcomes of cinnamic acid administration were more or less the same as those of pirfenidone. In conclusion, pre-treatment with cinnamic acid protects against methotrexate-induced fibrosis, making it a promising prophylactic adjuvant therapy to methotrexate and protecting against its possible induction of lung fibrosis.
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Affiliation(s)
- Eman Abdalhameid
- Department of Pharmacology and Toxicology, Egyptian Drug Authority (EDA), Giza, Egypt.
| | - Enas A Abd El-Haleim
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Rania M Abdelsalam
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
- Department of Biology, School of Pharmacy, Newgiza University, Giza, Egypt
| | - Gehan S Georgy
- Department of Pharmacology and Toxicology, Egyptian Drug Authority (EDA), Giza, Egypt
| | - Hala M Fawzy
- Department of Pharmacology and Toxicology, Egyptian Drug Authority (EDA), Giza, Egypt
| | - Sanaa A Kenawy
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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Ding H, Xiang R, Jia Y, Ye J, Xia Z. Cyclosporin A-mediated translocation of HuR improves MTX-induced cognitive impairment in a mouse model via NCOA4-mediated ferritinophagy. Aging (Albany NY) 2023; 15:12537-12550. [PMID: 37950727 PMCID: PMC10683624 DOI: 10.18632/aging.205195] [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: 07/12/2023] [Accepted: 10/12/2023] [Indexed: 11/13/2023]
Abstract
Chemotherapy-induced cognitive impairment (CICI) is a subject that requires critical solutions in neuroscience and oncology. However, its potential mechanism of action remains ambiguous. The aim of this study was to investigate the vital role of HuR in the neuroprotection of cyclosporin A (CsA) during methotrexate (MTX)-induced cognitive impairment. A series of Hu-antigen R (HuR) gain and loss experiments were used to examine cyclosporin A (CsA)-mediated translocation of HuR's ability to improve MTX-induced cognitive impairment through NCOA4-mediated ferritinophagy in vitro and in vivo. Obtained results show that the administration of CsA alleviated MTX-induced cognitive impairment in mice. The presence of MTX promoted the shuttling of HuR from the cytoplasm to the nucleus, whereas treatment with CsA increased cytoplasmic HuR expression levels and the levels of ferritinophagy-related proteins, such as NCOA4 and LC3II, compared to the MTX group. However, applying KH-3, an inhibitor of HuR, reversed CsA's impact on the expression of ferritinophagy-related proteins in the hippocampus and in vitro. Also, treatment with CsA attenuated microglial activation by altering Iba-1 expression and decreased TNF-α and IL-1β levels in mice hippocampi. Moreover, KH-3 neutralized CsA's effects on the expression of both Iba-1 and HuR in vivo and in vitro. In summary, CsA was confirmed to have a neuroprotective role in CICI. Its possible underlying mechanisms may be involved in the translocation of HuR. Mediating the translocation of HuR during CICI could mitigate neruoinflammation and neuronal apoptosis via NCOA4-mediated ferritinophagy and, thus, alleviate cognitive impairment in mice with CICI.
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Affiliation(s)
- Huang Ding
- Department of Pain, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei, People’s Republic of China
| | - Rong Xiang
- Department of Otolaryngology-Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei, People’s Republic of China
| | - Yifan Jia
- Department of Pain, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei, People’s Republic of China
| | - Jishi Ye
- Department of Pain, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei, People’s Republic of China
| | - Zhongyuan Xia
- Department of Pain, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei, People’s Republic of China
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Wang C, Jiang H, Liu H, Chen S, Guo H, Ma S, Han W, Li Y, Wang D. Isoforsythiaside confers neuroprotection against Alzheimer’s disease by attenuating ferroptosis and neuroinflammation in vivo and in vitro. FOOD SCIENCE AND HUMAN WELLNESS 2023. [DOI: 10.1016/j.fshw.2023.02.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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Althagafy HS, Sharawi ZW, Batawi AH, Almohaimeed HM, Al-Thubiani WS, Hassanein EHM, Rateb A. Buspirone attenuated methotrexate-induced hippocampal toxicity in rats by regulating Nrf2/HO-1, PPAR-γ, NF-κB/nNOS, and ROS/NLRP3/caspase-1 signaling pathways. J Biochem Mol Toxicol 2023; 37:e23414. [PMID: 37341015 DOI: 10.1002/jbt.23414] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 06/02/2023] [Accepted: 06/08/2023] [Indexed: 06/22/2023]
Abstract
Methotrexate (MTX) is a chemotherapeutic agent widely used to treat a variety of tumors. Nonetheless, MTX-induced hippocampal neurotoxicity is a well-defined dose-limiting adverse effect that limits clinical utility. Proinflammatory cytokine production and oxidative stress are possible mechanisms for MTX-induced neurotoxicity. Buspirone (BSP), a partial agonist of the 5-HT1a receptor (5-HT1aR), has emerged as an anxiolytic drug. BSP has been shown to possess antioxidant and anti-inflammatory effects. The current study investigated BSP's potential anti-inflammatory and antioxidant effects in attenuating MTX-induced hippocampal toxicity. Rats received either BSP (1.5 mg/kg) orally for 10 days and MTX (20 mg/kg) i.p. on Day 5. BSP administration markedly protected hippocampal neurons from drastic degenerated neuronal changes induced by MTX. BSP significantly attenuated oxidative injury by downregulating Kelch-like ECH-associated protein 1 expression while potently elevating hippocampal Nrf2, heme oxygenase-1, and peroxisome proliferator-activated receptor expression. BSP dampened inflammation by reducing NO2 - , tumor necrosis factor-alpha, IL-6, and interleukin 1 beta levels mediated by downregulating NF-κB and neuronal nitric oxides synthase expression. Moreover, BSP potently counteracted hippocampal pyroptosis by downregulating NLRP3, ASC, and cleaved-caspase-1 proteins. Therefore, BSP may represent a promising approach to attenuate neurotoxicity in patients receiving MTX.
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Affiliation(s)
- Hanan S Althagafy
- Department of Biochemistry, Faculty of Science, University of Jeddah, Jeddah, Saudi Arabia
| | - Zeina W Sharawi
- Department Biological Science, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ashwaq H Batawi
- Department Biological Science, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hailah M Almohaimeed
- Department of Basic Science, College of Medicine, Princess Nourah Bint Abdul Rahman University, Riyadh, Saudi Arabia
| | - Wafa S Al-Thubiani
- Department of Biology, Faculty of Applied Sciences, Umm Al-Qura University, Mecca, Saudi Arabia
| | - Emad H M Hassanein
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt
| | - Amal Rateb
- Department of Human Anatomy and Embryology, Faculty of Medicine, Assuit University, Assiut, Egypt
- Department of Basic Sciences, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arbia
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10
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Jin X, Jiang C, Zou Z, Huang H, Li X, Xu S, Tan R. Ferritinophagy in the etiopathogenic mechanism of related diseases. J Nutr Biochem 2023; 117:109339. [PMID: 37061010 DOI: 10.1016/j.jnutbio.2023.109339] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 03/18/2023] [Accepted: 03/23/2023] [Indexed: 04/17/2023]
Abstract
Iron is an essential trace element that is involved in a variety of physiological processes. Ferritinophagy is selective autophagy mediated by nuclear receptor coactivator 4 (NCOA4), which regulates iron homeostasis in the body. Upon iron depletion or starvation, ferritinophagy is activated, releasing large amounts of Fe2+ and increasing reactive oxygen species (ROS), leading to ferroptosis. This plays a significant role in the etiopathogenesis of many diseases, such as metabolic diseases, neurodegenerative diseases, infectious diseases, tumors, cardiomyopathy, and ischemia-reperfusion ischemia-reperfusion injury. Here, we first review the regulation and functions of ferritinophagy and then describe its involvement in different diseases, with hopes of providing new understanding and insights into iron metabolism and iron disorder-related diseases and the therapeutic opportunity for targeting ferritinophagy.
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Affiliation(s)
- Xuemei Jin
- Department of Preventive Medicine, School of Medicine, Yanbian University, Yanji, China; Department of Clinical Nutrition, Guangzhou Institute of Disease-Oriented Nutritional Research, Guangzhou Red Cross Hospital of Jinan University, Guangzhou, China
| | - Chunjie Jiang
- Department of Clinical Nutrition, Guangzhou Institute of Disease-Oriented Nutritional Research, Guangzhou Red Cross Hospital of Jinan University, Guangzhou, China
| | - Zhizhou Zou
- Department of Preventive Medicine, School of Medicine, Yanbian University, Yanji, China; Department of Clinical Nutrition, Guangzhou Institute of Disease-Oriented Nutritional Research, Guangzhou Red Cross Hospital of Jinan University, Guangzhou, China
| | - He Huang
- Department of Preventive Medicine, School of Medicine, Yanbian University, Yanji, China; Department of Clinical Nutrition, Guangzhou Institute of Disease-Oriented Nutritional Research, Guangzhou Red Cross Hospital of Jinan University, Guangzhou, China
| | - Xiaojian Li
- Department of Burn, Guangzhou Red Cross Hospital of Jinan University, Guangzhou, China
| | - Songji Xu
- Department of Preventive Medicine, School of Medicine, Yanbian University, Yanji, China
| | - Rongshao Tan
- Department of Clinical Nutrition, Guangzhou Institute of Disease-Oriented Nutritional Research, Guangzhou Red Cross Hospital of Jinan University, Guangzhou, China.
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Dexmedetomidine Attenuates Methotrexate-Induced Neurotoxicity and Memory Deficits in Rats through Improving Hippocampal Neurogenesis: The Role of miR-15a/ROCK-1/ERK1/2/CREB/BDNF Pathway Modulation. Int J Mol Sci 2023; 24:ijms24010766. [PMID: 36614208 PMCID: PMC9821704 DOI: 10.3390/ijms24010766] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 01/04/2023] Open
Abstract
Methotrexate (MTX) is a widely used neurotoxic drug with broad antineoplastic and immunosuppressant spectra. However, the exact molecular mechanisms by which MTX inhibits hippocampal neurogenesis are yet unclear. Dexmedetomidine (Dex), an α2-adrenergic receptor agonist, has recently shown neuroprotective effects; however, its full mechanism is unexplored. This study investigated the potential of Dex to mitigate MTX-induced neurotoxicity and memory impairment in rats and the possible role of the miR-15a/ROCK-1/ERK1/2/CREB/BDNF pathway. Notably, no former studies have linked this pathway to MTX-induced neurotoxicity. Male Sprague Dawley rats were placed into four groups. Group 1 received saline i.p. daily and i.v. on days 8 and 15. Group 2 received Dex at 10 μg/kg/day i.p. for 30 days. Group 3 received MTX at 75 mg/kg i.v. on days 8 and 15, followed by four i.p. doses of leucovorin at 6 mg/kg after 18 h and 3 mg/kg after 26, 42, and 50 h. Group 4 received MTX and leucovorin as in group 3 and Dex daily dosages as in group 2. Bioinformatic analysis identified the association of miR-15a with ROCK-1/ERK1/2/CREB/BDNF and neurogenesis. MTX lowered hippocampal doublecortin and Ki-67, two markers of neurogenesis. This was associated with the downregulation of miR-15a, upregulation of its target ROCK-1, and reduction in the downstream ERK1/2/CREB/BDNF pathway, along with disturbed hippocampal redox state. Novel object recognition and Morris water maze tests demonstrated the MTX-induced memory deficiencies. Dex co-treatment reversed the MTX-induced behavioral, biochemical, and histological alterations in the rats. These neuroprotective actions could be partly mediated through modulating the miR-15a/ROCK-1/ERK1/2/CREB/BDNF pathway, which enhances hippocampal neurogenesis.
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Huang Y, Wang S, Ke A, Guo K. Ferroptosis and its interaction with tumor immune microenvironment in liver cancer. Biochim Biophys Acta Rev Cancer 2023; 1878:188848. [PMID: 36502929 DOI: 10.1016/j.bbcan.2022.188848] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/24/2022] [Accepted: 12/03/2022] [Indexed: 12/14/2022]
Abstract
Exploring effective systemic treatments for liver cancer is still a great challenge worldwide. As a novel form of regulated cell death, ferroptosis has been paid more and more attention in the cancer research field. In recent years, targeting ferroptosis has become an encouraging strategy for liver cancer treatment. Cancer cells can be directly killed by inducing ferroptosis; in contrast, ferroptosis can also ameliorate the tumor immunosuppressive microenvironment and sensitize cancers to immunotherapy. Here, we summarize fully current progress in the iron homeostasis in the liver, the internal association between imbalanced iron homeostasis and ferroptosis in liver carcinogenesis and development, as well as ferroptosis-related regulators in liver cancer. Furthermore, we discuss thoroughly the interaction between ferroptosis and tumor immune microenvironment. Finally, we provide certainly a future insight on the potential value of ferroptosis in the immunotherapy of liver cancer.
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Affiliation(s)
- Yilan Huang
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, China; Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Fudan University, Shanghai, China
| | - Siwei Wang
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, China; Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Fudan University, Shanghai, China; Department of Radiation Oncology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Aiwu Ke
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, China; Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Fudan University, Shanghai, China.
| | - Kun Guo
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, China; Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Fudan University, Shanghai, China.
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Identification and Validation of Ferroptosis-Related Genes in Sevoflurane-Induced Hippocampal Neurotoxicity. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:4435161. [PMID: 36238640 PMCID: PMC9553355 DOI: 10.1155/2022/4435161] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 08/25/2022] [Indexed: 11/17/2022]
Abstract
Background Sevoflurane is one of the most popular inhalational anesthetics during perioperative period but presenting neurotoxicity among pediatric and aged populations. Recent experiments in vivo and in vitro have indicated that ferroptosis may contribute to the neurotoxicity of sevoflurane anesthesia. However, the exact mechanism is still unclear. Methods In current study, we explored the differential expressed genes (DEGs) in HT-22 mouse hippocampal neuronal cells after sevoflurane anesthesia using RNA-seq. Differential expressed ferroptosis-related genes (DEFRGs) were screened and analyzed by Gene Ontology (GO) and pathway enrichment analysis. Protein-to-protein interaction (PPI) network was constructed by the Search Tool for the Retrieval of Interacting Genes (STRING). Significant modules and the hub genes were identified by using Cytoscape. The Connectivity Map (cMAP) was used for screening drug candidates targeting the identified DEFRGs. Potential TF-gene network and drug-gene pairs were established towards the hub genes. In final, we validated these results in experiments. Results A total of 37 ferroptosis-related genes (18 upregulated and 19 downregulated) after sevoflurane exposure in hippocampal neuronal cells were finally identified. These differentially expressed genes were mainly involved into the biological processes of cellular response to oxidative stress. Pathway analysis indicated that these genes were involved in ferroptosis, mTOR signaling pathway, and longevity-regulating pathway. PPI network was constructed. 10 hub genes including Prkaa2, Chac1, Arntl, Tfrc, Slc7a11, Atf4, Mgst1, Lpin1, Atf3, and Sesn2 were found. Top 10 drug candidates, gene-drug networks, and TFs targeting these genes were finally identified. These results were validated in experiments. Conclusion Our results suggested that ferroptosis-related genes play roles in sevoflurane anesthesia-related hippocampal neuron injury and offered the hub genes and potential therapeutic agents for investigating and treatment of this neurotoxicity after sevoflurane exposure. Finally, therapeutic effect of these drug candidates and function of potential ferroptosis targets should be further investigated for treatment and clarifying mechanisms of sevoflurane anesthesia-induced neuron injury in future research.
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Chang S, Tang M, Zhang B, Xiang D, Li F. Ferroptosis in inflammatory arthritis: A promising future. Front Immunol 2022; 13:955069. [PMID: 35958605 PMCID: PMC9361863 DOI: 10.3389/fimmu.2022.955069] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 07/04/2022] [Indexed: 12/13/2022] Open
Abstract
Ferroptosis is a kind of regulatory cell death (RCD) caused by iron accumulation and lipid peroxidation, which is characterized by mitochondrial morphological changes and has a complex regulatory network. Ferroptosis has been gradually emphasized in the pathogenesis of inflammatory arthritis. In this review, we summarized the relevant research on ferroptosis in various inflammatory arthritis including rheumatoid arthritis (RA), osteoarthritis, gout arthritis, and ankylosing spondylitis, and focused on the relationship between RA and ferroptosis. In patients with RA and animal models of RA, there was evidence of iron overload and lipid peroxidation, as well as mitochondrial dysfunction that may be associated with ferroptosis. Ferroptosis inducers have shown good application prospects in tumor therapy, and some anti-rheumatic drugs such as methotrexate and sulfasalazine have been shown to have ferroptosis modulating effects. These phenomena suggest that the role of ferroptosis in the pathogenesis of inflammatory arthritis will be worth further study. The development of therapeutic strategies targeting ferroptosis for patients with inflammatory arthritis may be a promising future.
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Affiliation(s)
- Siyuan Chang
- Department of Rheumatology and Immunology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Mengshi Tang
- Department of Rheumatology and Immunology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Bikui Zhang
- Department of Pharmacy, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Daxiong Xiang
- Department of Pharmacy, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Fen Li
- Department of Rheumatology and Immunology, The Second Xiangya Hospital of Central South University, Changsha, China
- *Correspondence: Fen Li,
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Hanke N, Rami A. Cerebral ischemia induced iron deposit, ferritin accumulation, nuclear receptor coactivator 4-depletion and ferroptosis. Curr Neurovasc Res 2022; 19:47-60. [PMID: 35319371 DOI: 10.2174/1567202619666220321120954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/04/2022] [Accepted: 01/12/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND The neuronal death upon cerebral ischemia shares not only characteristics of necrosis, apoptosis and autophagy, but exhibits also biochemical and morphological characteristics of ferroptosis. Ferroptosis is a regulated form of cell death which is considered to be an oxidative iron-dependent process. It is now commonly accepted that iron and free radicals are considered to cause lipid peroxidation as well as the oxidation of proteins and nucleic acids, leading to increased membrane and enzymatic dysfunction, and finally contributing to cell death. Although ferroptosis was first described in cancer cells, emerging evidence now links mechanisms of ferroptosis to many different diseases, including cerebral ischemia. METHODS The objective of this study was to identify the ferroptosis key players and the underlying biochemical pathways leading to cell death upon focal cerebral ischemia in mice by using immunofluorescence, Western blotting, histochemistry and densitometry. RESULTS In this study, we demonstrated that cerebral ischemia induced iron-deposition, down-regulated dramatically the expression of the glutathione peroxidase 4 (GPX4), decreased the expression of the nuclear receptor coactivator 4 (NCOA4) and induced inappropriate accumulation of ferritin in the ischemic brain. This supports the hypothesis that an ischemic insult may induce ferroptosis through inhibition of GPX4. CONCLUSION We conclude that iron excess following cerebral ischemia leads to cell death despite activation of compensatory mechanisms for iron homeostasis, as illustrated by the accumulation of ferritins. These data emphasize the presence of a cellular mechanism that allows neuronal cells to handle restriction in iron overload.
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Affiliation(s)
- Nora Hanke
- Institut für Experimentelle Neurobiologie (Anatomie II), Klinikum der Johann Wolfgang von Goethe-Universität, Theodor-Stern-Kai 7, 60590 Frankfurt/Main, Germany
| | - Abdelhaq Rami
- Institut für Experimentelle Neurobiologie (Anatomie II), Klinikum der Johann Wolfgang von Goethe-Universität, Theodor-Stern-Kai 7, 60590 Frankfurt/Main, Germany
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Wang C, Chen S, Guo H, Jiang H, Liu H, Fu H, Wang D. Forsythoside A Mitigates Alzheimer's-like Pathology by Inhibiting Ferroptosis-mediated Neuroinflammation via Nrf2/GPX4 Axis Activation. Int J Biol Sci 2022; 18:2075-2090. [PMID: 35342364 PMCID: PMC8935224 DOI: 10.7150/ijbs.69714] [Citation(s) in RCA: 101] [Impact Index Per Article: 50.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 02/03/2022] [Indexed: 12/15/2022] Open
Abstract
Ferroptosis and neuroinflammation play crucial roles in Alzheimer's disease (AD) pathophysiology. Forsythoside A (FA), the main constituent of Forsythia suspensa (Thunb.) Vahl., possesses anti-inflammatory, antibacterial, antioxidant, and neuroprotective properties. The present study aimed to investigate the potential role of FA in AD neuropathology using male APP/PS1 double transgenic AD mice, Aβ1-42-exposed N2a cells, erastin-stimulated HT22 cells, and LPS-induced BV2 cells. FA treatment significantly improved mitochondrial function and inhibited lipid peroxidation in Aβ1-42-exposed N2a cells. In LPS-stimulated BV2 cells, FA treatment decreased the formation of the pro-inflammatory factors IL-6, IL-1β, and NO. In male APP/PS1 mice, FA treatment ameliorated memory and cognitive impairments and suppressed Aβ deposition and p-tau levels in the brain. Analyses using proteomics, immunohistochemistry, ELISA, and western blot revealed that FA treatment significantly augmented dopaminergic signaling, inhibited iron deposition and lipid peroxidation, prevented the activation of IKK/IκB/NF-κB signaling, reduced the secretion of pro-inflammatory factors, and promoted the production of anti-inflammatory factors in the brain. FA treatment exerted anti-ferroptosis and anti-neuroinflammatory effects in erastin-stimulated HT22 cells, and the Nrf2/GPX4 axis played a key role in these effects. Collectively, these results demonstrate the protective effects of FA and highlight its therapeutic potential as a drug component for AD treatment.
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Affiliation(s)
- Chunyue Wang
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Shanshan Chen
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Hangyu Guo
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Hongbo Jiang
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Honghan Liu
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Haoran Fu
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Di Wang
- School of Life Sciences, Jilin University, Changchun, 130012, China.,Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, Jilin Agricultural University, Changchun, 130118, China.,✉ Corresponding author: Di Wang, Ph.D., Professor, School of Life Sciences, Jilin University, Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, Jilin Agricultural University. E-mail:
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ROS and iron homeostasis dependent ferroptosis play a vital role in 5-Fluorouracil induced cardiotoxicity in vitro and in vivo. Toxicology 2022; 468:153113. [DOI: 10.1016/j.tox.2022.153113] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/20/2022] [Accepted: 01/27/2022] [Indexed: 12/19/2022]
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Jakaria M, Belaidi AA, Bush AI, Ayton S. Ferroptosis as a mechanism of neurodegeneration in Alzheimer's disease. J Neurochem 2021; 159:804-825. [PMID: 34553778 DOI: 10.1111/jnc.15519] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 09/07/2021] [Accepted: 09/14/2021] [Indexed: 01/19/2023]
Abstract
Alzheimer's disease (AD) is the most prevalent form of dementia, with complex pathophysiology that is not fully understood. While β-amyloid plaque and neurofibrillary tangles define the pathology of the disease, the mechanism of neurodegeneration is uncertain. Ferroptosis is an iron-mediated programmed cell death mechanism characterised by phospholipid peroxidation that has been observed in clinical AD samples. This review will outline the growing molecular and clinical evidence implicating ferroptosis in the pathogenesis of AD, with implications for disease-modifying therapies.
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Affiliation(s)
- Md Jakaria
- Melbourne Dementia Research Centre, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Victoria, Australia
| | - Abdel Ali Belaidi
- Melbourne Dementia Research Centre, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Victoria, Australia
| | - Ashley I Bush
- Melbourne Dementia Research Centre, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Victoria, Australia
| | - Scott Ayton
- Melbourne Dementia Research Centre, The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Victoria, Australia
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Feng X, Ma W, Zhu J, Jiao W, Wang Y. Dexmedetomidine alleviates early brain injury following traumatic brain injury by inhibiting autophagy and neuroinflammation through the ROS/Nrf2 signaling pathway. Mol Med Rep 2021; 24:661. [PMID: 34278508 PMCID: PMC8335733 DOI: 10.3892/mmr.2021.12300] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 06/29/2021] [Indexed: 12/25/2022] Open
Abstract
Traumatic brain injury (TBI) is a major public health problem and a major cause of mortality and disability that imposes a substantial economic burden worldwide. Dexmedetomidine (DEX), a highly selective α-2-adrenergic receptor agonist that functions as a sedative and analgesic with minimal respiratory depression, has been reported to alleviate early brain injury (EBI) following traumatic brain injury by reducing reactive oxygen species (ROS) production, apoptosis and autophagy. Autophagy is a programmed cell death mechanism that serves a vital role in neuronal cell death following TBI. However, the precise role of autophagy in DEX-mediated neuroprotection following TBI has not been confirmed. The present study aimed to investigate the neuroprotective effects and potential molecular mechanisms of DEX in TBI-induced EBI by regulating neural autophagy in a C57BL/6 mouse model. Mortality, the neurological score, brain water content, neuroinflammatory cytokine levels, ROS production, malondialdehyde levels and neuronal death were evaluated by TUNEL staining, Evans blue extravasation, ELISA, analysis of ROS/lipid peroxidation and western blotting. The results showed that DEX treatment markedly increased the survival rate and neurological score, increased neuron survival, decreased the expression of the LC3, Beclin-1 and NF-κB proteins, as well as the cytokines IL-1β, IL-6 and TNF-α, which indicated that DEX-mediated inhibition of autophagy and neuroinflammation ameliorated neuronal death following TBI. The neuroprotective capacity of DEX is partly dependent on the ROS/nuclear factor erythroid 2-related factor 2 signaling pathway. Taken together, the results of the present study indicated that DEX improves neurological outcomes in mice and reduces neuronal death by protecting against neural autophagy and neuroinflammation.
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Affiliation(s)
- Xiaoyan Feng
- Department of Neurosurgery, Wuxi Clinical College of Anhui Medical University, 904th Hospital of Joint Logistic Support Force of PLA, Wuxi, Jiangsu 214044, P.R. China
| | - Weiwei Ma
- Clinical Medicine Five‑Year Program, 11 Class, 2019 Grade, Wannan Medical College, Wuhu, Jiangsu 241002, P.R. China
| | - Jie Zhu
- Department of Neurosurgery, Wuxi Clinical College of Anhui Medical University, 904th Hospital of Joint Logistic Support Force of PLA, Wuxi, Jiangsu 214044, P.R. China
| | - Wei Jiao
- Department of Neurosurgery, Wuxi Clinical College of Anhui Medical University, 904th Hospital of Joint Logistic Support Force of PLA, Wuxi, Jiangsu 214044, P.R. China
| | - Yuhai Wang
- Department of Neurosurgery, Wuxi Clinical College of Anhui Medical University, 904th Hospital of Joint Logistic Support Force of PLA, Wuxi, Jiangsu 214044, P.R. China
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