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da Silva S, da Costa CDL, Naime AA, Santos DB, Farina M, Colle D. Mechanisms Mediating the Combined Toxicity of Paraquat and Maneb in SH-SY5Y Neuroblastoma Cells. Chem Res Toxicol 2024. [PMID: 39058280 DOI: 10.1021/acs.chemrestox.3c00389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2024]
Abstract
Epidemiological and experimental studies have demonstrated that combined exposure to the pesticides paraquat (PQ) and maneb (MB) increases the risk of developing Parkinson's disease. However, the mechanisms mediating the toxicity induced by combined exposure to these pesticides are not well understood. The aim of this study was to investigate the mechanism(s) of neurotoxicity induced by exposure to the pesticides PQ and MB isolated or in association (PQ + MB) in SH-SY5Y neuroblastoma cells. PQ + MB exposure for 24 and 48 h decreased cell viability and disrupted cell membrane integrity. In addition, PQ + MB exposure for 12 h decreased the mitochondrial membrane potential. PQ alone increased reactive oxygen species (ROS) and superoxide anion generation and decreased the activity of mitochondrial complexes I and II at 12 h of exposure. MB alone increased ROS generation and depleted intracellular glutathione (GSH) within 6 h of exposure. In contrast, MB exposure for 12 h increased the GSH levels, the glutamate cysteine ligase (GCL, the rate-limiting enzyme in the GSH synthesis pathway) activity, and increased nuclear Nrf2 staining. Pretreatment with buthionine sulfoximine (BSO, a GCL inhibitor) abolished the MB-mediated GSH increase, indicating that MB increases GSH synthesis by upregulating GCL, probably by the activation of the Nrf2/ARE pathway. BSO pretreatment, which did not modify cell viability per se, rendered cells more sensitive to MB-induced toxicity. In contrast, treatment with the antioxidant N-acetylcysteine protected cells from MB-induced toxicity. These findings show that the combined exposure of SH-SY5Y cells to PQ and MB induced a cytotoxic effect higher than that observed when cells were subjected to individual exposures. Such a higher effect seems to be related to additive toxic events resulting from PQ and MB exposures. Thus, our study contributes to a better understanding of the toxicity of PQ and MB in combined exposures.
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Affiliation(s)
- Suzana da Silva
- Department of Clinical Analyses, Federal University of Santa Catarina, Florianopolis 88040-900 Santa Catarina, Brazil
| | - Carolina de Lima da Costa
- Department of Clinical Analyses, Federal University of Santa Catarina, Florianopolis 88040-900 Santa Catarina, Brazil
| | - Aline Aita Naime
- Department of Biochemistry, Federal University of Santa Catarina, Florianopolis 88040-900 Santa Catarina, Brazil
| | - Danúbia Bonfanti Santos
- Department of Biochemistry, Federal University of Santa Catarina, Florianopolis 88040-900 Santa Catarina, Brazil
| | - Marcelo Farina
- Department of Biochemistry, Federal University of Santa Catarina, Florianopolis 88040-900 Santa Catarina, Brazil
| | - Dirleise Colle
- Department of Clinical Analyses, Federal University of Santa Catarina, Florianopolis 88040-900 Santa Catarina, Brazil
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Youssef JR, Boraie NA, Ismail FA, Bakr BA, Allam EA, El-Moslemany RM. Brain targeted lactoferrin coated lipid nanocapsules for the combined effects of apocynin and lavender essential oil in PTZ induced seizures. Drug Deliv Transl Res 2024:10.1007/s13346-024-01610-0. [PMID: 38819768 DOI: 10.1007/s13346-024-01610-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/21/2024] [Indexed: 06/01/2024]
Abstract
Apocynin (APO) is a plant derived antioxidant exerting specific NADPH oxidase inhibitory action substantiating its neuroprotective effects in various CNS disorders, including epilepsy. Due to rapid elimination and poor bioavailability, treatment with APO is challenging. Correspondingly, novel APO-loaded lipid nanocapsules (APO-LNC) were formulated and coated with lactoferrin (LF-APO-LNC) to improve br ain targetability and prolong residence time. Lavender oil (LAV) was incorporated into LNC as a bioactive ingredient to act synergistically with APO in alleviating pentylenetetrazol (PTZ)-induced seizures. The optimized LF-APO-LAV/LNC showed a particle size 59.7 ± 4.5 nm with narrow distribution and 6.07 ± 1.6mV zeta potential) with high entrapment efficiency 92 ± 2.4% and sustained release (35% in 72 h). Following subcutaneous administration, LF-APO-LAV/LNC brought about ⁓twofold increase in plasma AUC and MRT compared to APO. A Log BB value of 0.2 ± 0.14 at 90 min reflects increased brain accumulation. In a PTZ-induced seizures rat model, LF-APO-LAV/LNC showed a Modified Racine score of 0.67 ± 0.47 with a significant increase in seizures latency and decrease in duration. Moreover, oxidant/antioxidant capacity and inflammatory markers levels in brain tissue were significantly improved. Histopathological and immunohistochemical assessment of brain tissue sections further supported these findings. The results suggest APO/LAV combination in LF-coated LNC as a promising approach to counteract seizures.
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Affiliation(s)
- Julie R Youssef
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, 1 Khartoum Square, Azarita, Messalla Post Office, P.O. Box 21521, Alexandria, Egypt.
| | - Nabila A Boraie
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, 1 Khartoum Square, Azarita, Messalla Post Office, P.O. Box 21521, Alexandria, Egypt
| | - Fatma A Ismail
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, 1 Khartoum Square, Azarita, Messalla Post Office, P.O. Box 21521, Alexandria, Egypt
| | - Basant A Bakr
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria, 21523, Egypt
| | - Eman A Allam
- Department of Medical Physiology, Faculty of Medicine, Alexandria University, Alexandria, 21131, Egypt
| | - Riham M El-Moslemany
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, 1 Khartoum Square, Azarita, Messalla Post Office, P.O. Box 21521, Alexandria, Egypt
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3
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Chen Y, Wu Z, Li S, Chen Q, Wang L, Qi X, Tian C, Yang M. Mapping the Research of Ferroptosis in Parkinson's Disease from 2013 to 2023: A Scientometric Review. Drug Des Devel Ther 2024; 18:1053-1081. [PMID: 38585257 PMCID: PMC10999190 DOI: 10.2147/dddt.s458026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 03/05/2024] [Indexed: 04/09/2024] Open
Abstract
Methods Related studies on PD and ferroptosis were searched in Web of Science Core Collection (WOSCC) from inception to 2023. VOSviewer, CiteSpace, RStudio, and Scimago Graphica were employed as bibliometric analysis tools to generate network maps about the collaborations between authors, countries, and institutions and to visualize the co-occurrence and trends of co-cited references and keywords. Results A total of 160 original articles and reviews related to PD and ferroptosis were retrieved, produced by from 958 authors from 162 institutions. Devos David was the most prolific author, with 9 articles. China and the University of Melbourne had leading positions in publication volume with 84 and 12 publications, respectively. Current hot topics focus on excavating potential new targets for treating PD based on ferroptosis by gaining insight into specific molecular mechanisms, including iron metabolism disorders, lipid peroxidation, and imbalanced antioxidant regulation. Clinical studies aimed at treating PD by targeting ferroptosis remain in their preliminary stages. Conclusion A continued increase was shown in the literature within the related field over the past decade. The current study suggested active collaborations among authors, countries, and institutions. Research into the pathogenesis and treatment of PD based on ferroptosis has remained a prominent topic in the field in recent years, indicating that ferroptosis-targeted therapy is a potential approach to halting the progression of PD.
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Affiliation(s)
- Yingfan Chen
- Medical School of Chinese People’s Liberation Army, Beijing, People’s Republic of China
- Department of Traditional Chinese Medicine, the Six Medical Center of Chinese People’s Liberation Army General Hospital, Beijing, People’s Republic of China
| | - Zhenhui Wu
- College of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, People’s Republic of China
| | - Shaodan Li
- Department of Traditional Chinese Medicine, the Six Medical Center of Chinese People’s Liberation Army General Hospital, Beijing, People’s Republic of China
| | - Qi Chen
- Department of Traditional Chinese Medicine, the Six Medical Center of Chinese People’s Liberation Army General Hospital, Beijing, People’s Republic of China
| | - Liang Wang
- Department of Traditional Chinese Medicine, the Six Medical Center of Chinese People’s Liberation Army General Hospital, Beijing, People’s Republic of China
| | - Xiaorong Qi
- Medical School of Chinese People’s Liberation Army, Beijing, People’s Republic of China
| | - Chujiao Tian
- Medical School of Chinese People’s Liberation Army, Beijing, People’s Republic of China
| | - Minghui Yang
- Department of Traditional Chinese Medicine, the Six Medical Center of Chinese People’s Liberation Army General Hospital, Beijing, People’s Republic of China
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Li P, Chen JM, Ge SH, Sun ML, Lu JD, Liu F, Wang LL, Zhang X, Wang XP. Pentoxifylline protects against cerebral ischaemia-reperfusion injury through ferroptosis regulation via the Nrf2/SLC7A11/GPX4 signalling pathway. Eur J Pharmacol 2024; 967:176402. [PMID: 38331339 DOI: 10.1016/j.ejphar.2024.176402] [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: 12/06/2023] [Revised: 01/23/2024] [Accepted: 02/06/2024] [Indexed: 02/10/2024]
Abstract
OBJECTIVE To investigate whether pentoxifylline (PTX) attenuates cerebral ischaemia-reperfusion injury (IRI) in rats by inhibiting ferroptosis and to explore the underlying molecular mechanisms. METHODS Cerebral IRI was induced in male Sprague-Dawley (SD) rats using middle cerebral artery occlusion (MCAO). The effects of PTX on cerebral ischaemia-reperfusion brain samples were detected through neurological deficit score, staining and electron microscopy; levels of ferroptosis biomarkers from brain samples were detected using kits. Additionally, the expression levels of nuclear factor erythroid 2-related factor 2 (Nrf2), transferrin receptor protein 1, divalent metal transporter 1, solute carrier family 7 member 11 (SLC7A11) and glutathione peroxidase 4 (GPX4) were determined by immunohistochemistry, real-time quantitative polymerase chain reaction and western blotting. RESULTS Pre-treatment with PTX was found to improve neurological function, evidenced by reduced neurological deficit scores, decreased infarct volume and alleviated pathological features post-MCAO. This improvement was accompanied by reduced lipid peroxidation levels and mitigated mitochondrial damage. Notably, PTX's inhibitory effect on ferroptosis was characterised by enhanced Nrf2 nuclear translocation and regulation of ferroptosis-related proteins. Moreover, inhibition of Nrf2 using ML385 (an Nrf2-specific inhibitor) reversed PTX's neuroprotective effect on MCAO-induced ferroptosis via the SLC7A11/GPX4 signalling pathway. CONCLUSIONS Ferroptosis is evident following cerebral ischaemia-reperfusion in rats. Pentoxifylline confers protection against IRI in rats by inhibiting ferroptosis through the Nrf2/SLC7A11/GPX4 signalling pathway.
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Affiliation(s)
- Pei Li
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China; Department of Neurology, Tangshan Gongren Hospital, Tangshan, 063000, Hebei, China
| | - Jun-Min Chen
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
| | - Shi-Hao Ge
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
| | - Mei-Lin Sun
- Department of Neurology, Xingtai People's Hospital, Xingtai, 054001, Hebei, China
| | - Jun-Dong Lu
- Department of Neurology, Baoding First Central Hospital, Baoding, 071000, Hebei, China
| | - Fan Liu
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
| | - Le-Le Wang
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
| | - Xin Zhang
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China
| | - Xiao-Peng Wang
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China.
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Dar NJ, John U, Bano N, Khan S, Bhat SA. Oxytosis/Ferroptosis in Neurodegeneration: the Underlying Role of Master Regulator Glutathione Peroxidase 4 (GPX4). Mol Neurobiol 2024; 61:1507-1526. [PMID: 37725216 DOI: 10.1007/s12035-023-03646-8] [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: 05/16/2023] [Accepted: 09/05/2023] [Indexed: 09/21/2023]
Abstract
Oxytosis/ferroptosis is an iron-dependent oxidative form of cell death triggered by lethal accumulation of phospholipid hydroperoxides (PLOOHs) in membranes. Failure of the intricate PLOOH repair system is a principle cause of ferroptotic cell death. Glutathione peroxidase 4 (GPX4) is distinctly vital for converting PLOOHs in membranes to non-toxic alcohols. As such, GPX4 is known as the master regulator of oxytosis/ferroptosis. Ferroptosis has been implicated in a number of disorders such as neurodegenerative diseases (amyotrophic lateral sclerosis (ALS), Alzheimer's disease (AD), Parkinson's disease (PD), and Huntington's disease (HD), etc.), ischemia/reperfusion injury, and kidney degeneration. Reduced function of GPX4 is frequently observed in degenerative disorders. In this study, we examine how diminished GPX4 function may be a critical event in triggering oxytosis/ferroptosis to perpetuate or initiate the neurodegenerative diseases and assess the possible therapeutic importance of oxytosis/ferroptosis in neurodegenerative disorders. These discoveries are important for advancing our understanding of neurodegenerative diseases because oxytosis/ferroptosis may provide a new target to slow the course of the disease.
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Affiliation(s)
- Nawab John Dar
- School of Medicine, University of Texas Health San Antonio, San Antonio, TX, 78229, USA.
| | - Urmilla John
- School of Studies in Neuroscience, Jiwaji University, Gwalior, India
- School of Studies in Zoology, Jiwaji University, Gwalior, India
| | - Nargis Bano
- Faculty of Life Sciences, Department of Zoology, Aligarh Muslim University, Aligarh, U.P, India
| | - Sameera Khan
- Faculty of Life Sciences, Department of Zoology, Aligarh Muslim University, Aligarh, U.P, India
| | - Shahnawaz Ali Bhat
- Faculty of Life Sciences, Department of Zoology, Aligarh Muslim University, Aligarh, U.P, India.
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Sun Q, Wang Y, Hou L, Li S, Hong JS, Wang Q, Zhao J. Clozapine-N-oxide protects dopaminergic neurons against rotenone-induced neurotoxicity by preventing ferritinophagy-mediated ferroptosis. Free Radic Biol Med 2024; 212:384-402. [PMID: 38182072 PMCID: PMC10842931 DOI: 10.1016/j.freeradbiomed.2023.12.045] [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: 11/17/2023] [Revised: 12/27/2023] [Accepted: 12/29/2023] [Indexed: 01/07/2024]
Abstract
Parkinson's disease (PD) is the second most common neurodegenerative disorder, yet treatment options are limited. Clozapine (CLZ), an antipsychotic used for schizophrenia, has potential as a PD treatment. CLZ and its metabolite, Clozapine-N-Oxide (CNO), show neuroprotective effects on dopaminergic neurons, with mechanisms needing further investigation. This study aimed to confirm the neuroprotective effects of CLZ and CNO in a rotenone-induced mouse model and further explore the underlying mechanisms of CNO-afforded protection. Gait pattern and rotarod activity evaluations showed motor impairments in rotenone-exposed mice, with CLZ or CNO administration ameliorating behavioral deficits. Cell counts and biochemical analysis demonstrated CLZ and CNO's effectiveness in reducing rotenone-induced neurodegeneration of dopaminergic neurons in the nigrostriatal system in mice. Mechanistic investigations revealed that CNO suppressed rotenone-induced ferroptosis of dopaminergic neurons by rectifying iron imbalances, curtailing lipid peroxidation, and mitigating mitochondrial morphological changes. CNO also reversed autolysosome and ferritinophagic activation in rotenone-exposed mice. SH-SY5Y cell cultures validated these findings, indicating ferritinophage involvement, where CNO-afforded protection was diminished by ferritinophagy enhancers. Furthermore, knockdown of NCOA4, a crucial cargo receptor for ferritin degradation in ferritinophagy, hampered rotenone-induced ferroptosis and NCOA4 overexpression countered the anti-ferroptotic effects of CNO. Whereas, iron-chelating agents and ferroptosis enhancers had no effect on the anti-ferritinophagic effects of CNO in rotenone-treated cells. In summary, CNO shielded dopaminergic neurons in the rotenone-induced PD model by modulating NCOA4-mediated ferritinophagy, highlighting a potential therapeutic pathway for PD treatment. This research provided insights into the role of NCOA4 in ferroptosis and suggested new approaches for PD therapy.
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Affiliation(s)
- Qingquan Sun
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian 116044, China; Department of Neurology, Dalian University Affiliated Xinhua Hospital, No. 156 W. Wansui Road, Dalian 116021, China
| | - Yan Wang
- Institute of Integrative Medicine, College of Pharmacy, Dalian Medical University Library, No. 9 W. Lvshun South Road, Dalian 116044, China
| | - Liyan Hou
- Dalian Medical University Library, No. 9 W. Lvshun South Road, Dalian 116044, China
| | - Sheng Li
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian 116044, China
| | - Jau-Shyong Hong
- Neuropharmacology Section, Laboratory of Toxicology and Pharmacology, National Institute of Environmental Health, Sciences, NIH, MD F1-01, P. O. Box 12233, Research Triangle Park, NC 27709, USA
| | - Qingshan Wang
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian 116044, China; School of Public Health, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian 116044, China.
| | - Jie Zhao
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian 116044, China.
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7
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Yang L, Cai X, Li R. Ferroptosis Induced by Pollutants: An Emerging Mechanism in Environmental Toxicology. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:2166-2184. [PMID: 38275135 DOI: 10.1021/acs.est.3c06127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
Environmental pollutants have been recognized for their ability to induce various adverse outcomes in both the environment and human health, including inflammation, apoptosis, necrosis, pyroptosis, and autophagy. Understanding these biological mechanisms has played a crucial role in risk assessment and management efforts. However, the recent identification of ferroptosis as a form of programmed cell death has emerged as a critical mechanism underlying pollutant-induced toxicity. Numerous studies have demonstrated that fine particulates, heavy metals, and organic substances can trigger ferroptosis, which is closely intertwined with lipid, iron, and amino acid metabolism. Given the growing evidence linking ferroptosis to severe diseases such as heart failure, chronic obstructive pulmonary disease, liver injury, Parkinson's disease, Alzheimer's disease, and cancer, it is imperative to investigate the role of pollutant-induced ferroptosis. In this review, we comprehensively analyze various pollutant-induced ferroptosis pathways and intricate signaling molecules and elucidate their integration into the driving and braking axes. Furthermore, we discuss the potential hazards associated with pollutant-induced ferroptosis in various organs and four representative animal models. Finally, we provide an outlook on future research directions and strategies aimed at preventing pollutant-induced ferroptosis. By enhancing our understanding of this novel form of cell death and developing effective preventive measures, we can mitigate the adverse effects of environmental pollutants and safeguard human and environmental health.
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Affiliation(s)
- Lili Yang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215123, China
| | - Xiaoming Cai
- School of Public Health, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215123, China
| | - Ruibin Li
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215123, China
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8
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Zhang WX, Li Y, Ke D, Gao YR, Fei T, Wang GQ, Shu Y, Wang JH. GSH-depleting metal-polyphenol-network nanoparticles with dual enzyme activities induce enhanced ferroptosis. Biomater Sci 2023; 11:6906-6918. [PMID: 37655451 DOI: 10.1039/d3bm01000g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Ferroptosis is a non-apoptotic form of regulated cell death. The efficiency of ferroptosis is restrained in the tumor microenvironment (TME) by overexpression of glutathione (GSH) and insufficient production of hydrogen peroxide (H2O2). In this work, theranostic nanoparticles Ce-aMOFs@Fe3+-EGCG, termed MEFs, are developed by coating uniform Ce-based amorphous metal-organic frameworks (Ce-aMOFs) with epigallocatechin gallate (EGCG) and Fe3+. Fe3+ is chelated by the adjacent phenol hydroxyl groups in EGCG. In the tumor cell interior, overexpressed GSH and weak acidic medium degrade the coating to release Fe3+ and EGCG accompanied by exposure of Ce-aMOFs. Fe3+ and EGCG consume GSH along with turning Fe3+ into Fe2+. Ce-aMOFs act as a nanozyme possessing dual-enzymatic activities, i.e. superoxide dismutase (SOD)- and phosphatase-like activities. In the TME, Ce-aMOFs catalyze the conversion of endogenous superoxide (O2˙-) into H2O2, and Fe2+ catalyzes H2O2 to generate toxic hydroxyl radicals (˙OH), which may further induce tumor cell death through ferroptosis. In addition, the phosphatase-like activity of Ce-aMOFs may sustainably dephosphorylate NADPH and effectively inhibit intracellular biosynthesis of GSH. Therefore, MEFs ensure down-regulation of intracellular GSH levels and up-regulation of oxidative pressure, which enhance the ferroptosis effect.
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Affiliation(s)
- Wen-Xin Zhang
- Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China.
| | - You Li
- College of Life and Health Sciences, Northeastern University, Shenyang 110819, China
| | - Di Ke
- Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China.
| | - Yi-Ru Gao
- Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China.
| | - Teng Fei
- College of Life and Health Sciences, Northeastern University, Shenyang 110819, China
| | - Guo-Qing Wang
- College of Life and Health Sciences, Northeastern University, Shenyang 110819, China
| | - Yang Shu
- Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China.
| | - Jian-Hua Wang
- Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China.
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9
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Cai Q, Shen Q, Zhu W, Zhang S, Ke J, Lu Z. Paraquat-induced ferroptosis suppression via NRF2 expression regulation. Toxicol In Vitro 2023; 92:105655. [PMID: 37507096 DOI: 10.1016/j.tiv.2023.105655] [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: 02/25/2023] [Revised: 07/21/2023] [Accepted: 07/25/2023] [Indexed: 07/30/2023]
Abstract
Paraquat (PQ) is an environmentally friendly and efficient herbicide, but PQ misuse or intentional self-use can cause death through multiple organ damage and can cause acute lung injury. Existing clinical treatments alleviate symptoms but do not significantly improve the mortality rate. Ferroptosis is a type of necrosis that presents in a manner very similar to the cell damage induced by high doses of PQ, but the role of ferroptosis in paraquat-induced lung injury remains unclear. In this study, we aimed to explore the role of ferroptosis in PQ-induced A549 cell injury and identify the potential mechanisms and critical sites of protection against PQ-induced A549 injury by ferroptosis inhibitors. We found that the ferroptosis inhibitors Ferr-1 and Lip-1 inhibit ferroptosis by attenuating oxidative stress through the upregulation of NRF2 gene expression. The protective role of the ferroptosis inhibitor Dfo was most evident in paraquat-induced cell injury. Dfo inhibited ferroptosis by iron chelation and promoted NRF2 protein level reduction. NRF2 attenuated PQ-induced ferroptosis in A549 cells, mainly through the upregulation of SLC40A1 to encourage the movement of iron to the extracellular side to alleviate iron overload, and the upregulation of SLC7A11 to promote the expression of GPX4 to inhibit lipid peroxidation.
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Affiliation(s)
- Qiqi Cai
- Department of Emergency Intensive Care Unit, Huangyan Hospital affiliated with Wenzhou Medical University, Taizhou First People's Hospital, Taizhou City, Zhejiang Province, China
| | - Qunhe Shen
- Emergency Department, Enze Hospital, Enze Medical Center, Taizhou, China
| | - Weimin Zhu
- Emergency Department, Enze Hospital, Enze Medical Center, Taizhou, China
| | - Sheng Zhang
- Department of Emergency Intensive Care Unit, Huangyan Hospital affiliated with Wenzhou Medical University, Taizhou First People's Hospital, Taizhou City, Zhejiang Province, China
| | - Jingjing Ke
- Department of Emergency Intensive Care Unit, Huangyan Hospital affiliated with Wenzhou Medical University, Taizhou First People's Hospital, Taizhou City, Zhejiang Province, China
| | - Zhongqiu Lu
- Department of Emergency Medicine, The First Affiliated Hospital of Wenzhou Medical, the key specialty of traditional Chinese Medicine of Zhejiang Provincial in the 13th Five-Year Plan period (Emergency Department), Wenzhou Key Laboratory of emergency and disaster medicine, Wenzhou City, Zhejiang Province, China.
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10
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Zhang JB, Jia X, Cao Q, Chen YT, Tong J, Lu GD, Li DJ, Han T, Zhuang CL, Wang P. Ferroptosis-Regulated Cell Death as a Therapeutic Strategy for Neurodegenerative Diseases: Current Status and Future Prospects. ACS Chem Neurosci 2023; 14:2995-3012. [PMID: 37579022 DOI: 10.1021/acschemneuro.3c00406] [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] [Indexed: 08/16/2023] Open
Abstract
Ferroptosis is increasingly being recognized as a key element in the pathogenesis of diverse diseases. Recent studies have highlighted the intricate links between iron metabolism and neurodegenerative disorders. Emerging evidence suggests that iron homeostasis, oxidative stress, and neuroinflammation all contribute to the regulation of both ferroptosis and neuronal health. However, the precise molecular mechanisms underlying the involvement of ferroptosis in the pathological processes of neurodegeneration and its impact on neuronal dysfunction remain incompletely understood. In our Review, we provide a comprehensive analysis and summary of the potential molecular mechanisms underlying ferroptosis in neurodegenerative diseases, aiming to elucidate the disease progression of neurodegeneration. Additionally, we discuss potential therapeutic agents that modulate ferroptosis with the goal of identifying novel drug molecules for the treatment of neurodegenerative disorders.
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Affiliation(s)
- Jia-Bao Zhang
- Department of Pharmacology, College of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai 200433, China
- National Experimental Teaching Demonstration Center of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai 200433, China
| | - Xiuqin Jia
- Department of Radiology, Beijing Chao Yang Hospital, Capital Medical University, Chaoyang District, Beijing 100020, China
| | - Qi Cao
- Department of Pharmacology, College of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai 200433, China
- National Experimental Teaching Demonstration Center of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai 200433, China
| | - Yi-Ting Chen
- Department of Pharmacology, College of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai 200433, China
| | - Jie Tong
- Department of Pharmacy, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Guo-Dong Lu
- Department of Pharmacology, College of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai 200433, China
| | - Dong-Jie Li
- Department of Pharmacy, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Ting Han
- Department of Pharmacology, College of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai 200433, China
| | - Chun-Lin Zhuang
- Department of Pharmacology, College of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai 200433, China
| | - Pei Wang
- Department of Pharmacology, College of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai 200433, China
- National Experimental Teaching Demonstration Center of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai 200433, China
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11
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Wang R, Chen X, Li X, Wang K. Molecular therapy of cardiac ischemia-reperfusion injury based on mitochondria and ferroptosis. J Mol Med (Berl) 2023; 101:1059-1071. [PMID: 37505243 DOI: 10.1007/s00109-023-02346-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 06/05/2023] [Accepted: 06/27/2023] [Indexed: 07/29/2023]
Abstract
Excessive death of myocardial cells can lead to various cardiovascular diseases and even develop into heart failure, so developing ideal treatment plans based on pathogenesis is of great significance for cardiopathy. After the heart undergoes ischemia‒reperfusion (I/R), myocardial cells accumulate a large amount of peroxides, leading to mitochondrial dysfunction and inducing ferroptosis. Ferroptosis is a form of iron-dependent regulatory cell death (RCD) caused by imbalanced redox and iron metabolism that leads to severe cell damage through the accumulation of peroxides. The mechanism of ferroptosis is highly correlated with mitochondrial metabolism. Myocardial cells are rich in a large number of mitochondria, which serve as energy supply centers and are prone to producing reactive oxygen species (ROS), providing opportunities for oxidative stress caused by ferroptosis. Ferroptosis is related to various cardiovascular diseases, and potential treatment methods designed around ferroptosis may alter the pathological progression of cardiovascular diseases. Therefore, this review investigates the regulatory mechanisms of ferroptosis, exploring the close pathological and physiological connections between ferroptosis and mitochondrial and cardiac I/R injury. Targeting ferroptosis and mitochondria for intervention may be an effective plan for preventing and treating cardiac I/R injury.
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Affiliation(s)
- Ruiquan Wang
- Key Laboratory of Birth Regulation and Control Technologyof , National Health Commission of China, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan, 250014, China
- Institute for Translational Medicine, College of Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266021, China
| | - Xinzhe Chen
- Institute for Translational Medicine, College of Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266021, China
| | - Xinmin Li
- Institute for Translational Medicine, College of Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266021, China.
| | - Kun Wang
- Key Laboratory of Birth Regulation and Control Technologyof , National Health Commission of China, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan, 250014, China.
- Institute for Translational Medicine, College of Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, 266021, China.
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12
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Ye Z, Li C, Liu S, Liang H, Feng J, Lin D, Chen Y, Peng S, Bu L, Tao E, Jing X, Liang Y. Dl-3-n-butylphthalide activates Nrf2, inhibits ferritinophagy, and protects MES23.5 dopaminergic neurons from ferroptosis. Chem Biol Interact 2023; 382:110604. [PMID: 37315914 DOI: 10.1016/j.cbi.2023.110604] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/02/2023] [Accepted: 06/12/2023] [Indexed: 06/16/2023]
Abstract
Ferroptosis, a newly identified iron-dependent form of cell death, has recently been implicated in the pathogenesis of Parkinson's disease (PD). Dl-3-n-butylphthalide (NBP) attenuates behavioral and cognitive deficits in animal models of PD. However, the potential of NBP to prevent dopaminergic neuron death by suppressing ferroptosis has rarely been explored. In this study, we aimed to investigate the effects of NBP on ferroptosis in erastin-induced dopaminergic neurons (MES23.5 cells) and the underlying mechanisms involved in these effects. Our results demonstrated that erastin significantly decreased viability of MES23.5 dopaminergic neurons in a dose-dependent manner, which was reversible by ferroptosis inhibitors. We further verified that NBP protected erastin-treated MES23.5 cells from death by inhibiting ferroptosis. Erastin increased the mitochondrial membrane density, caused lipid peroxidation, and decreased GPX4 expression in MES23.5 cells, which could be reversed by NBP preconditioning. NBP pretreatment suppressed erastin-induced labile iron accumulation and reactive oxygen species generation. Moreover, we demonstrated that erastin significantly reduced FTH expression, and pre-administration with NBP promoted Nrf2 translocation into the nucleus and increased the protein level of FTH. Additionally, the expression of LC3B-II in MES23.5 cells pretreated with NBP before administration of erastin was lower than that in cells treated with erastin alone. NBP reduced colocalization of FTH and autophagosomes in MES23.5 cells exposed to erastin. Finally, erastin gradually inhibited NCOA4 expression in a time-dependent manner, which was reversible by NBP pretreatment. Taken together, these results indicated that NBP suppressed ferroptosis via regulating FTH expression, which was achieved by promoting Nrf2 nuclear translocation and inhibiting NCOA4-mediated ferritinophagy. As such, NBP may be a promising therapeutic agent for the treatment of neurological diseases associated with ferroptosis.
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Affiliation(s)
- Ziying Ye
- Department of Neurology, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, No. 107 Yanjiang West Road, Guangzhou, 510120, China
| | - Chuna Li
- Department of Geriatrics, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, No.1 Panfu Road, Guangzhou, 510180, China
| | - Shuqiong Liu
- Department of Neurology, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, No. 107 Yanjiang West Road, Guangzhou, 510120, China
| | - Hongbin Liang
- Department of Neurology, Ordos Central Hospital, No.23 Ejin Horo West Street, Ordos, 017000, China
| | - Jialiang Feng
- Department of Neurology, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, No. 107 Yanjiang West Road, Guangzhou, 510120, China
| | - Danyu Lin
- Department of Neurology, The Eighth Affiliated Hospital of Sun Yat-sen University, No. 3025 Shennan Middle Road, Shenzhen, 518033, China
| | - Ying Chen
- Department of Neurology, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, No. 107 Yanjiang West Road, Guangzhou, 510120, China
| | - Sudan Peng
- Department of Neurology, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, No. 107 Yanjiang West Road, Guangzhou, 510120, China
| | - Lulu Bu
- Department of Neurology, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, No. 107 Yanjiang West Road, Guangzhou, 510120, China
| | - Enxiang Tao
- Department of Neurology, The Eighth Affiliated Hospital of Sun Yat-sen University, No. 3025 Shennan Middle Road, Shenzhen, 518033, China.
| | - Xiuna Jing
- Department of Neurology, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, No. 107 Yanjiang West Road, Guangzhou, 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, No. 107 Yanjiang West Road, Guangzhou, 510120, China.
| | - Yanran Liang
- Department of Neurology, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, No. 107 Yanjiang West Road, Guangzhou, 510120, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, The Sun Yat-sen Memorial Hospital of Sun Yat-sen University, No. 107 Yanjiang West Road, Guangzhou, 510120, China.
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13
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Qiao L, Li G, Yuan HX. Dexmedetomidine mediates the mechanism of action of ferroptosis in mice with Alzheimer's disease by regulating the mTOR-TFR1 pathway. World J Psychiatry 2023; 13:511-523. [PMID: 37701546 PMCID: PMC10494775 DOI: 10.5498/wjp.v13.i8.511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/06/2023] [Accepted: 07/27/2023] [Indexed: 08/17/2023] Open
Abstract
BACKGROUND Alzheimer's disease (AD) is the most common neurodegenerative disorder, and there are currently no effective drugs to delay progression of the disease. Ferroptosis may play a vital part in AD, and is therefore receiving increasing attention by researchers. AIM To investigate the effects of dexmedetomidine (Dex) on ferroptosis in AD mouse hippocampus. METHODS Hippocampal neurons (HNs) HT22 were induced by amyloid β-protein (Aβ) and both in vitro and in vivo AD mouse models were prepared via injections. The cell-counting kit-8 assay and immunofluorescence technique were adopted to determine cell proliferation activity and intracellular Fe2+ levels, and the TBA method and microplate method were employed for malondialdehyde and glutathione measurements, respectively. Hippocampal tissue damage was determined using hematoxylin and eosin and Nissl staining. Mouse learning and memory ability in each group was assessed by the Morris water maze test, and the expression levels of mammalian target of rapamycin (mTOR) signal molecules and ferroptosis-related proteins transferrin receptor 1 (TFR1), SLC7A11 and glutathione peroxidase 4 were examined by western blotting. RESULTS Dex enhanced lipid peroxidation and iron influx in mouse HNs in both in vitro and in vivo experiments, while inhibition of the mTOR axis blocked this process. These findings demonstrate that Dex can inhibit ferroptosis-induced damage in mouse HNs by activating mTOR-TFR1 signaling to regulate ferroptosis-associated proteins, thus alleviating cognitive dysfunction in AD mice. CONCLUSION Dex can activate the mTOR-TFR1 axis to inhibit ferroptosis in mouse HNs, thereby improving the learning and memory ability of mice.
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Affiliation(s)
- Li Qiao
- Intensive Care Unit, Peking University International Hospital, Beijing 102206, China
| | - Gang Li
- Intensive Care Unit, Peking University International Hospital, Beijing 102206, China
| | - Hong-Xun Yuan
- Intensive Care Unit, Peking University International Hospital, Beijing 102206, China
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14
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Zhang Y, Li S, Hou L, Wu M, Liu J, Wang R, Wang Q, Zhao J. NLRP3 mediates the neuroprotective effects of SVHRSP derived from scorpion venom in rotenone-induced experimental Parkinson's disease model. JOURNAL OF ETHNOPHARMACOLOGY 2023; 312:116497. [PMID: 37072089 DOI: 10.1016/j.jep.2023.116497] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 03/31/2023] [Accepted: 04/11/2023] [Indexed: 05/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE In traditional Chinese medicine, scorpion is used to treat diseases with symptoms such as trembling, convulsion and dementia. Our laboratory employs patented technology to extract and purify the active single component from scorpion venom. We then utilize mass spectrometry to determine the amino acid sequence of the polypeptide and synthesize it artificially to acquire the polypeptide with a purity of 99.3%, named SVHRSP (Scorpion Venom Heat-Resistant Peptide). SVHRSP has been demonstrated to display potent neuroprotective efficacy in Parkinson's disease. AIM OF THE STUDY To explore the molecular mechanisms and potential molecular targets of SVHRSP-afforded neuroprotection in PD mouse models, as well as to investigate the role of NLRP3 in SVHRSP-mediated neuroprotection. MATERIALS AND METHODS The PD mouse model was induced by rotenone and the neuroprotective role of SVHRSP on the PD mouse model was measured using the gait test, rotarod test, the number of dopaminergic neurons, and the activation of microglia. RNA sequencing and GSEA analysis were performed to find the differentially biological pathways regulated by SVHRSP. Primary mid-brain neuron-glial cultures and NLRP3-/- mice were applied to verify the role of NLRP3 by using qRT-PCR, western blotting, enzyme-linked immunosorbent assay (ELISA) and immunostaining. RESULTS SVHRSP-afforded dopaminergic neuroprotection was accompanied with inhibition of microglia-mediated neuroinflammatory pathways. Importantly, depletion of microglia markedly reduced the neuroprotective efficacy of SVHRSP against rotenone-induced dopaminergic neurotoxicity in vitro. SVHRSP inhibited microglial NOD-like receptor pathway, mRNA expression and protein level of NLRP3 in rotenone PD mice. SVHRSP also reduced rotenone-induced caspse-1 activation and IL-1β maturation, indicating that SVHRSP mitigated activation of NLRP3 inflammasome. Moreover, inactivation of NLRP3 inflammasome by MCC950 or genetic deletion of NLRP3 almost abolished SVHRSP-afforded anti-inflammatory, neuroprotective effects and improvement of motor performance in response to rotenone. CONCLUSIONS NLRP3 mediated the neuroprotective effects of SVHRSP in rotenone-induced experimental PD model, providing additional evidence for the mechanisms of SVHRSP-afforded anti-inflammatory and neuroprotective effects in PD.
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Affiliation(s)
- Yu Zhang
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian, 116044, China; Center of Genome and Personalized Medicine, Institute of Cancer Stem Cell, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian, 116044, China
| | - Sheng Li
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian, 116044, China
| | - Liyan Hou
- Dalian Medical University Library, No. 9 W. Lvshun South Road, Dalian, 116044, China
| | - Mingyang Wu
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian, 116044, China
| | - Jianing Liu
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian, 116044, China
| | - Ruonan Wang
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian, 116044, China
| | - Qingshan Wang
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian, 116044, China; School of Public Health, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian, 116044, China.
| | - Jie Zhao
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, No. 9 W. Lvshun South Road, Dalian, 116044, China.
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15
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Ortega Moreno L, Bagues A, Martínez V, Abalo R. New Pieces for an Old Puzzle: Approaching Parkinson's Disease from Translatable Animal Models, Gut Microbiota Modulation, and Lipidomics. Nutrients 2023; 15:2775. [PMID: 37375679 DOI: 10.3390/nu15122775] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 05/15/2023] [Accepted: 05/22/2023] [Indexed: 06/29/2023] Open
Abstract
Parkinson's disease (PD) is a severe neurodegenerative disease characterized by disabling motor alterations that are diagnosed at a relatively late stage in its development, and non-motor symptoms, including those affecting the gastrointestinal tract (mainly constipation), which start much earlier than the motor symptoms. Remarkably, current treatments only reduce motor symptoms, not without important drawbacks (relatively low efficiency and impactful side effects). Thus, new approaches are needed to halt PD progression and, possibly, to prevent its development, including new therapeutic strategies that target PD etiopathogeny and new biomarkers. Our aim was to review some of these new approaches. Although PD is complex and heterogeneous, compelling evidence suggests it might have a gastrointestinal origin, at least in a significant number of patients, and findings in recently developed animal models strongly support this hypothesis. Furthermore, the modulation of the gut microbiome, mainly through probiotics, is being tested to improve motor and non-motor symptoms and even to prevent PD. Finally, lipidomics has emerged as a useful tool to identify lipid biomarkers that may help analyze PD progression and treatment efficacy in a personalized manner, although, as of today, it has only scarcely been applied to monitor gut motility, dysbiosis, and probiotic effects in PD. Altogether, these new pieces should be helpful in solving the old puzzle of PD.
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Affiliation(s)
- Lorena Ortega Moreno
- Department of Basic Health Sciences, Faculty of Health Sciences, University Rey Juan Carlos (URJC), 28922 Alcorcón, Spain
- High Performance Research Group in Physiopathology and Pharmacology of the Digestive System (NeuGut-URJC), University Rey Juan Carlos (URJC), 28922 Alcorcón, Spain
| | - Ana Bagues
- Department of Basic Health Sciences, Faculty of Health Sciences, University Rey Juan Carlos (URJC), 28922 Alcorcón, Spain
- High Performance Research Group in Physiopathology and Pharmacology of the Digestive System (NeuGut-URJC), University Rey Juan Carlos (URJC), 28922 Alcorcón, Spain
- Associated I+D+i Unit to the Institute of Medicinal Chemistry (IQM), Scientific Research Superior Council (CSIC), 28006 Madrid, Spain
- High Performance Research Group in Experimental Pharmacology (PHARMAKOM-URJC), University Rey Juan Carlos (URJC), 28922 Alcorcón, Spain
| | - Vicente Martínez
- Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
- Neuroscience Institute, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28049 Madrid, Spain
| | - Raquel Abalo
- Department of Basic Health Sciences, Faculty of Health Sciences, University Rey Juan Carlos (URJC), 28922 Alcorcón, Spain
- High Performance Research Group in Physiopathology and Pharmacology of the Digestive System (NeuGut-URJC), University Rey Juan Carlos (URJC), 28922 Alcorcón, Spain
- Associated I+D+i Unit to the Institute of Medicinal Chemistry (IQM), Scientific Research Superior Council (CSIC), 28006 Madrid, Spain
- Working Group of Basic Sciences on Pain and Analgesia of the Spanish Pain Society, 28046 Madrid, Spain
- Working Group of Basic Sciences on Cannabinoids of the Spanish Pain Society, 28046 Madrid, Spain
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16
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Sarparast M, Pourmand E, Hinman J, Vonarx D, Reason T, Zhang F, Paithankar S, Chen B, Borhan B, Watts JL, Alan J, Lee KSS. Dihydroxy-Metabolites of Dihomo-γ-linolenic Acid Drive Ferroptosis-Mediated Neurodegeneration. ACS CENTRAL SCIENCE 2023; 9:870-882. [PMID: 37252355 PMCID: PMC10214511 DOI: 10.1021/acscentsci.3c00052] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Indexed: 05/31/2023]
Abstract
Even after decades of research, the mechanism of neurodegeneration remains understudied, hindering the discovery of effective treatments for neurodegenerative diseases. Recent reports suggest that ferroptosis could be a novel therapeutic target for neurodegenerative diseases. While polyunsaturated fatty acid (PUFA) plays an important role in neurodegeneration and ferroptosis, how PUFAs may trigger these processes remains largely unknown. PUFA metabolites from cytochrome P450 and epoxide hydrolase metabolic pathways may modulate neurodegeneration. Here, we test the hypothesis that specific PUFAs regulate neurodegeneration through the action of their downstream metabolites by affecting ferroptosis. We find that the PUFA dihomo-γ-linolenic acid (DGLA) specifically induces ferroptosis-mediated neurodegeneration in dopaminergic neurons. Using synthetic chemical probes, targeted metabolomics, and genetic mutants, we show that DGLA triggers neurodegeneration upon conversion to dihydroxyeicosadienoic acid through the action of CYP-EH (CYP, cytochrome P450; EH, epoxide hydrolase), representing a new class of lipid metabolites that induce neurodegeneration via ferroptosis.
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Affiliation(s)
- Morteza Sarparast
- Department
of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Elham Pourmand
- Department
of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Jennifer Hinman
- Department
of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Derek Vonarx
- Department
of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Tommy Reason
- Department
of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Fan Zhang
- Department
of Pharmacology and Toxicology, Michigan
State University, East Lansing, Michigan 48824, United States
| | - Shreya Paithankar
- Department
of Pediatrics and Human Development, Michigan
State University, Grand Rapids, Michigan 49503, United States
| | - Bin Chen
- Department
of Pharmacology and Toxicology, Michigan
State University, East Lansing, Michigan 48824, United States
- Department
of Pediatrics and Human Development, Michigan
State University, Grand Rapids, Michigan 49503, United States
| | - Babak Borhan
- Department
of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Jennifer L. Watts
- School
of Molecular Biosciences, Washington State
University, Pullman, Washington 99164, United States
| | - Jamie Alan
- Department
of Pharmacology and Toxicology, Michigan
State University, East Lansing, Michigan 48824, United States
| | - Kin Sing Stephen Lee
- Department
of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
- Department
of Pharmacology and Toxicology, Michigan
State University, East Lansing, Michigan 48824, United States
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17
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Tang Z, Yang Y, Wu Z, Ji Y. Heat Stress-Induced Intestinal Barrier Impairment: Current Insights into the Aspects of Oxidative Stress and Endoplasmic Reticulum Stress. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:5438-5449. [PMID: 37012901 DOI: 10.1021/acs.jafc.3c00798] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Heat stress (HS) occurs when the sensible temperature of animals exceeds their thermoregulatory capacity, a condition that exerts a detrimental impact on health and growth. The intestinal tract, as a highly sensitive organ, has been shown to respond to HS by exhibiting mucosal injury, intestinal leakage, and disturbances in the gut microbiota. Oxidative stress and endoplasmic reticulum stress (ERS) are both potential outcomes of long-term exposure to high temperatures and have been linked to apoptosis, autophagy, and ferroptosis. In addition, HS alters the composition of the gut microbiota accompanied by changed levels of bacterial components and metabolites, rendering the gut more vulnerable to stress-related injury. In this review, we present recent advances in mechanisms of oxidative stress-associated ERS in response to HS, which is destructive to intestinal barrier integrity. The involvement of autophagy and ferroptosis in ERS was highlighted. Further, we summarize the relevant findings regarding the engagement of gut microbiota-derived components and metabolites in modulation of intestinal mucosal injury induced by HS.
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Affiliation(s)
- Zhining Tang
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing 100193, China
| | - Ying Yang
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing 100193, China
| | - Zhenlong Wu
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing 100193, China
| | - Yun Ji
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing 100193, China
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18
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Xu J, Zhou F, Wang X, Mo C. Role of ferroptosis in pregnancy related diseases and its therapeutic potential. Front Cell Dev Biol 2023; 11:1083838. [PMID: 36968201 PMCID: PMC10031498 DOI: 10.3389/fcell.2023.1083838] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 02/20/2023] [Indexed: 03/11/2023] Open
Abstract
Ferroptosis is a form of regulated cell death characterized by iron overload, overwhelming lipid peroxidation, and disruption of antioxidant systems. Emerging evidence suggests that ferroptosis is associated with pregnancy related diseases, such as spontaneous abortion, pre-eclampsia, gestational diabetes mellitus, intrahepatic cholestasis of pregnancy, and spontaneous preterm birth. According to these findings, inhibiting ferroptosis might be a potential option to treat pregnancy related diseases. This review summarizes the mechanisms and advances of ferroptosis, the pathogenic role of ferroptosis in pregnancy related diseases and the potential medicines for its treatment.
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Affiliation(s)
- Jinfeng Xu
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, China
- West China School of Medicine, Sichuan University, Chengdu, China
| | - Fan Zhou
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Xiaodong Wang
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
- *Correspondence: Chunheng Mo, ; Xiaodong Wang,
| | - Chunheng Mo
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, China
- *Correspondence: Chunheng Mo, ; Xiaodong Wang,
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19
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Cao Y, Xiao W, Liu S, Zeng Y. Ferroptosis: Underlying mechanism and the crosstalk with other modes of neuronal death after intracerebral hemorrhage. Front Cell Neurosci 2023; 17:1080344. [PMID: 36814866 PMCID: PMC9939649 DOI: 10.3389/fncel.2023.1080344] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 01/16/2023] [Indexed: 02/09/2023] Open
Abstract
Intracerebral hemorrhage (ICH) is a serious cerebrovascular disease with high rates of morbidity, mortality, and disability. Optimal treatment of ICH is a major clinical challenge, as the underlying mechanisms remain unclear. Ferroptosis, a newly identified form of non-apoptotic programmed cell death, is characterized by the iron-induced accumulation of lipid reactive oxygen species (ROS), leading to intracellular oxidative stress. Lipid ROS causes damage to nucleic acids, proteins, and cell membranes, eventually resulting in ferroptosis. In the past 10 years, ferroptosis has resulted in plenty of discoveries and breakthroughs in cancer, neurodegeneration, and other diseases. Some studies have also reported that ferroptosis does occur after ICH in vitro and in vivo and contribute to neuronal death. However, the studies on ferroptosis following ICH are still in the preliminary stage. In this review, we will summarize the current evidence on the mechanism underlying ferroptosis after ICH. And review the traditional modes of neuronal death to identify the crosstalk with ferroptosis in ICH, including apoptosis, necroptosis, and autophagy. Additionally, we also aim to explore the promising therapeutic application of ferroptosis in cell death-based ICH.
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Affiliation(s)
- Yuan Cao
- Department of Geriatrics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Wenbiao Xiao
- Department of Geriatrics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Shuzhen Liu
- Department of Radiology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yi Zeng
- Department of Geriatrics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China,*Correspondence: Yi Zeng,
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20
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Pan F, Xu W, Ding J, Wang C. Elucidating the progress and impact of ferroptosis in hemorrhagic stroke. Front Cell Neurosci 2023; 16:1067570. [PMID: 36713782 PMCID: PMC9874704 DOI: 10.3389/fncel.2022.1067570] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 12/13/2022] [Indexed: 01/12/2023] Open
Abstract
Hemorrhagic stroke is a devastating cerebrovascular disease with high morbidity and mortality, for which effective therapies are currently unavailable. Based on different bleeding sites, hemorrhagic stroke can be generally divided into intracerebral hemorrhage (ICH) and subarachnoid hemorrhage (SAH), whose pathogenesis share some similarity. Ferroptosis is a recently defined programmed cell deaths (PCDs), which is a critical supplement to the hypothesis on the mechanism of nervous system injury after hemorrhagic stroke. Ferroptosis is characterized by distinctive morphological changes of mitochondria and iron-dependent accumulation of lipid peroxides. Moreover, scientists have successfully demonstrated the involvement of ferroptosis in animal models of ICH and SAH, indicating that ferroptosis is a promising target for hemorrhagic stroke therapy. However, the studies on ferroptosis still faces a serious of technical and theoretical challenges. This review systematically elaborates the role of ferroptosis in the pathogenesis of hemorrhagic stroke and puts forward some opinions on the dilemma of ferroptosis research.
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Affiliation(s)
- Feixia Pan
- Department of Cardiac Surgery, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Weize Xu
- Department of Cardiac Surgery, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Jieying Ding
- Department of Pharmacy, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Chencen Wang
- Department of Pediatrics, The First People’s Hospital of Yongkang Affiliated to Hangzhou Medical College, Jinhua, China,*Correspondence: Chencen Wang,
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21
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Sarparast M, Pourmand E, Hinman J, Vonarx D, Reason T, Zhang F, Paithankar S, Chen B, Borhan B, Watts JL, Alan J, Lee KSS. Dihydroxy-Metabolites of Dihomo-gamma-linolenic Acid Drive Ferroptosis-Mediated Neurodegeneration. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.05.522933. [PMID: 36711920 PMCID: PMC9881903 DOI: 10.1101/2023.01.05.522933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Even after decades of research, the mechanism of neurodegeneration remains understudied, hindering the discovery of effective treatments for neurodegenerative diseases. Recent reports suggest that ferroptosis could be a novel therapeutic target for neurodegenerative diseases. While polyunsaturated fatty acid (PUFA) plays an important role in neurodegeneration and ferroptosis, how PUFAs may trigger these processes remains largely unknown. PUFA metabolites from cytochrome P450 and epoxide hydrolase metabolic pathways may modulate neurodegeneration. Here, we test the hypothesis that specific PUFAs regulate neurodegeneration through the action of their downstream metabolites by affecting ferroptosis. We find that the PUFA, dihomo gamma linolenic acid (DGLA), specifically induces ferroptosis-mediated neurodegeneration in dopaminergic neurons. Using synthetic chemical probes, targeted metabolomics, and genetic mutants, we show that DGLA triggers neurodegeneration upon conversion to dihydroxyeicosadienoic acid through the action of CYP-EH, representing a new class of lipid metabolite that induces neurodegeneration via ferroptosis.
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Affiliation(s)
- Morteza Sarparast
- Department of Chemistry, Michigan State University, East Lansing, MI, USA
| | - Elham Pourmand
- Department of Chemistry, Michigan State University, East Lansing, MI, USA
| | - Jennifer Hinman
- Department of Chemistry, Michigan State University, East Lansing, MI, USA
| | - Derek Vonarx
- Department of Chemistry, Michigan State University, East Lansing, MI, USA
| | - Tommy Reason
- Department of Chemistry, Michigan State University, East Lansing, MI, USA
| | - Fan Zhang
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, USA
| | - Shreya Paithankar
- Department of Pediatrics and Human Development, Michigan State University, Grand Rapids, MI, USA
| | - Bin Chen
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, USA,Department of Pediatrics and Human Development, Michigan State University, Grand Rapids, MI, USA
| | - Babak Borhan
- Department of Chemistry, Michigan State University, East Lansing, MI, USA
| | - Jennifer L. Watts
- School of Molecular Biosciences, Washington State University, Pullman, WA, USA
| | - Jamie Alan
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, USA,Corresponding Authors
| | - Kin Sing Stephen Lee
- Department of Chemistry, Michigan State University, East Lansing, MI, USA,Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, USA,Corresponding Authors
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22
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Conde MA, Alza NP, Funk MI, Maniscalchi A, Benzi Juncos ON, Berge I, Uranga RM, Salvador GA. α-Synuclein Attenuates Maneb Neurotoxicity through the Modulation of Redox-Sensitive Transcription Factors. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:5803323. [PMID: 37113744 PMCID: PMC10129426 DOI: 10.1155/2023/5803323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 02/02/2023] [Accepted: 02/06/2023] [Indexed: 04/29/2023]
Abstract
The accumulation and aggregation of α-synuclein is a pathognomonic sign of Parkinson's disease (PD). Maneb (MB) exposure has also been reported as one environmental triggering factor of this multifactorial neurodegenerative disease. In our laboratory, we have previously reported that mild overexpression of α-synuclein (200% increase with respect to endogenous neuronal levels) can confer neuroprotection against several insults. Here, we tested the hypothesis that α-synuclein can modulate the neuronal response against MB-induced neurotoxicity. When exposed to MB, cells with endogenous α-synuclein expression displayed increased reactive oxygen species (ROS) associated with diminished glutamate-cysteine ligase catalytic subunit (GCLc) and hemeoxygenase-1 (HO-1) mRNA expressions and upregulation of the nuclear factor erythroid 2-related factor 2 (NRF2) repressor, BTB domain and CNC homolog 1 (BACH1). We found that α-synuclein overexpression (wt α-syn cells) attenuated MB-induced neuronal damage by reducing oxidative stress. Decreased ROS found in MB-treated wt α-syn cells was associated with unaltered GCLc and HO-1 mRNA expressions and decreased BACH1 expression. In addition, the increased SOD2 expression and catalase activity were associated with forkhead box O 3a (FOXO3a) nuclear compartmentalization. Cytoprotective effects observed in wt α-syn cells were also associated with the upregulation of silent information regulator 1 (SIRT1). In control cells, MB-treatment downregulated glutathione peroxidase 4 mRNA levels, which was coincident with increased ROS content, lipid peroxidation, and mitochondrial alterations. These deleterious effects were prevented by ferrostatin-1, an inhibitor of ferroptosis, under conditions of endogenous α-synuclein expression. The overexpression of α-synuclein attenuated MB toxicity by the activation of the same mechanisms as ferrostatin-1. Overall, our findings suggest that mild overexpression of α-synuclein attenuates MB-induced neurotoxicity through the modulation of NRF2 and FOXO3a transcription factors and prevents cell death probably by intervening in mechanisms associated with ferroptosis. Thus, we postulate that early stages of α-synuclein overexpression could be potentially neuroprotective against MB neurotoxicity.
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Affiliation(s)
- M. A. Conde
- National Scientific and Technical Research Council-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Camino La Carrindanga Km 7, B8000FWB Bahía Blanca, Argentina
- Universidad Nacional del Sur (UNS), Departamento de Biología, Bioquímica y Farmacia, Bahía Blanca, Argentina
| | - N. P. Alza
- National Scientific and Technical Research Council-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Camino La Carrindanga Km 7, B8000FWB Bahía Blanca, Argentina
- UNS, Departamento de Química, Bahía Blanca, Argentina
| | - M. I. Funk
- National Scientific and Technical Research Council-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Camino La Carrindanga Km 7, B8000FWB Bahía Blanca, Argentina
- Universidad Nacional del Sur (UNS), Departamento de Biología, Bioquímica y Farmacia, Bahía Blanca, Argentina
| | - A. Maniscalchi
- National Scientific and Technical Research Council-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Camino La Carrindanga Km 7, B8000FWB Bahía Blanca, Argentina
| | - O. N. Benzi Juncos
- National Scientific and Technical Research Council-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Camino La Carrindanga Km 7, B8000FWB Bahía Blanca, Argentina
- Universidad Nacional del Sur (UNS), Departamento de Biología, Bioquímica y Farmacia, Bahía Blanca, Argentina
| | - I. Berge
- National Scientific and Technical Research Council-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Camino La Carrindanga Km 7, B8000FWB Bahía Blanca, Argentina
- Universidad Nacional del Sur (UNS), Departamento de Biología, Bioquímica y Farmacia, Bahía Blanca, Argentina
| | - R. M. Uranga
- National Scientific and Technical Research Council-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Camino La Carrindanga Km 7, B8000FWB Bahía Blanca, Argentina
- Universidad Nacional del Sur (UNS), Departamento de Biología, Bioquímica y Farmacia, Bahía Blanca, Argentina
| | - G. A. Salvador
- National Scientific and Technical Research Council-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Camino La Carrindanga Km 7, B8000FWB Bahía Blanca, Argentina
- Universidad Nacional del Sur (UNS), Departamento de Biología, Bioquímica y Farmacia, Bahía Blanca, Argentina
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23
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Lin L, Liu X, Yu H, Deng H, Peng K, Chen J, Zhang C, Jiang T, Liu X. Inhibitory effect and related mechanism of decitabine combined with gemcitabine on proliferation of NK/T cell lymphoma cells. Front Pharmacol 2023; 14:1134895. [PMID: 36937854 PMCID: PMC10014839 DOI: 10.3389/fphar.2023.1134895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 02/14/2023] [Indexed: 03/05/2023] Open
Abstract
Background: EBV-associated lymphoma is a neoplasm with a poor prognosis, highly aggressive, and progressive rapidly. There is no standard clinical treatment protocol. Decitabine and gemcitabine are known to have anticancer properties against cells of various cancer, respectively. However, the effect of the combination medication on NK/T cell lymphoma cells and potential mechanisms have not been thoroughly investigated. Methods: Human NK/T cell lymphoma cells NK92MI were treated with decitabine and gemcitabine alone or in combination. Experiments, including the Cell Counting Kit-8 and flow cytometry, were performed to investigate how the combination of decitabine and gemcitabine affects the biological behavior of NK92MI cells in vitro. mRNA sequencing, RT-PCR, and western blotting were used to detect changes in the related signal pathway, mRNA, and protein expressions. Results: Decitabine and gemcitabine significantly inhibited the viability and proliferation of NK92MI cells in a dose-dependent manner. The combination index was less than 1 after treating with two drugs, which was a significant synergistic effect. The decitabine concentration with the best synergistic effect was 4.046 µM, and the gemcitabine concentration was 0.005 µM. Flow cytometry showed that combining two drugs could significantly promote apoptosis and arrest the cell cycle at the S phase. In the combined DAC and GEM group, caspase3 protein levels were higher than in either group alone or the control group. The transcriptome sequence, KEGG, and PPI analysis showed that the differential genes after combined treatment were mainly enriched in signal pathways related to cell proliferation, adhesion, and migration compared with using alone and control groups. Based on the sequencing results, we further investigated the role of DAC and GEM in ferroptosis-related signaling molecules using RT-PCR and Western blot techniques. RT-PCR and western blotting showed that the expression levels of HMOX1 and EBV cleavage gene BRLF1 were higher in the group with combined DAC and GEM than in the group alone and the control group, while the protein and mRNA expression levels of SLC7A11 were lower than the others. In addition, the GPX4 protein expression level in the combination group was lower than in the drug-alone and control groups. In addition, the combination treatment increased the ROS level of NK92MI cells. Conclusion: Our current findings suggested that decitabine had an inhibitory effect on the proliferation of NK92MI cells when co-treated with gemcitabine. This combination may increase the expression of ferroptosis-related signaling molecules, thus inhibiting the proliferation of NK92MI cells. It also promoted apoptosis in NK/T cell lymphoma. For patients with NK/T cell lymphoma, this novel combination may provide clinical benefits.
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Affiliation(s)
- Lanke Lin
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiangqin Liu
- Department of Laboratory Medicine and Sichuan Provincial Key Laboratory for Human Disease Gene Study, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Hui Yu
- Department of Laboratory Medicine, The People’s Hospital of Leshan, Leshan, China
| | - Huan Deng
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Kun Peng
- Health Management Center, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Jiang Chen
- The Department of Ophthalmology, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Chunle Zhang
- Division of Nephrology, Kidney Research Institute, West China Hospital of Sichuan University, Chengdu, China
- *Correspondence: Xiaoqi Liu, ; Tao Jiang, ; Chunle Zhang,
| | - Tao Jiang
- Department of Hematology, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, Chengdu, China
- *Correspondence: Xiaoqi Liu, ; Tao Jiang, ; Chunle Zhang,
| | - Xiaoqi Liu
- Sichuan Provincial Key Laboratory for Human Disease Gene Study, Center for Medical Genetics, Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
- Research Unit for Blindness Prevention of Chinese Academy of Medical Sciences (2019RU026), Sichuan Academy of Medical Sciences & Sichuan Provincial People’s Hospital,, Chengdu, Sichuan, China
- *Correspondence: Xiaoqi Liu, ; Tao Jiang, ; Chunle Zhang,
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24
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Dai Y, Hu L. HSPB1 overexpression improves hypoxic-ischemic brain damage by attenuating ferroptosis in rats through promoting G6PD expression. J Neurophysiol 2022; 128:1507-1517. [PMID: 36321738 DOI: 10.1152/jn.00306.2022] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Heat-shock protein B (HSPB1) has a neuroprotective effect on brain injury and is a negative regulator of ferroptosis. Therefore, we infer that HSPB1 plays a protective role in hypoxic-ischemic (HI) brain damage by inhibiting ferroptosis. A neonatal rat model of hypoxic-ischemic (HI) brain damage was established. HSPB1 overexpression plasmid and the negative control were injected into the lateral ventricle of rats 48 h before HI brain damage surgery. HSPB1 and glucose-6-phosphate dehydrogenase (G6PD) levels, infarction rate, iron accumulation, apoptosis, and ferroptosis-related markers were estimated with the assistance of qRT-PCR, 2,3,5-triphenyl tetrazolium chloride (TTC) staining, Prussian blue staining, iron assay kit, TUNEL staining, and Western blot. In vitro, after transfection, HSPB1 and G6PD levels, oxygen-glucose deprivation (OGD)-mediated hippocampal neuron cell viability, apoptosis, iron content, and ferroptosis-related markers were assessed using qRT-PCR, MTT, flow cytometry, iron assay kit, and Western blot. HSPB1 and G6PD were overexpressed in the hippocampus tissues of HI rats. High expression of HSPB1 in HI rats lessened infarction rate and ferritin level, hindered iron accumulation and apoptosis, and promoted GPX4, SLC7A11, and TFR1 levels. In OGD-mediated hippocampal neuron cells, HSPB1 upregulation intensified the viability and repressed apoptosis and ferroptosis, whereas G6PD silencing reversed the effects of HSPB1 upregulation. We documented that HSPB1 overexpression unleashes neuroprotective effects via modulating G6PD expression, which offers a novel target for the prevention and treatment of HI brain damage.NEW & NOTEWORTHY HSPB1 and G6PD were overexpressed in the hippocampus tissues of HI rats. High expression of HSPB1 in HI rats mitigated infarction rate and iron accumulation. HSPB1 overexpression reduced ferritin level, attenuated apoptosis, yet augmented GPX4, SLC7A11, and TFR1 levels in the hippocampus tissues of HI rats. G6PD deletion impaired the protective role of HSPB1 overexpression against HI brain damage-induced ferroptosis.
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Affiliation(s)
- Yi Dai
- Department of Neonatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, People's Republic of China
| | - Lan Hu
- Department of Neonatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai, People's Republic of China
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25
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Vellingiri B, Chandrasekhar M, Sri Sabari S, Gopalakrishnan AV, Narayanasamy A, Venkatesan D, Iyer M, Kesari K, Dey A. Neurotoxicity of pesticides - A link to neurodegeneration. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 243:113972. [PMID: 36029574 DOI: 10.1016/j.ecoenv.2022.113972] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 05/15/2023]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder which mainly targets motor symptoms such as tremor, rigidity, bradykinesia and postural instability. The physiological changes occur due to dopamine depletion in basal ganglia region of the brain. PD aetiology is not yet elucidated clearly but genetic and environmental factors play a prominent role in disease occurrence. Despite of various environmental factors, pesticides exposure has been convicted as major candidate in PD pathogenesis. Among various pesticides 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) has been widely investigated in PD following with paraquat (PQ), maneb (MB), organochlorines (OC) and rotenone. Effect of these pesticides has been suggested to be involved in oxidative stress, alterations in dopamine transporters, mitochondrial dysfunction, α-synuclein (αSyn) fibrillation, and neuroinflammation in PD. The present review discusses the influence of pesticides in neurodegeneration and its related epidemiological studies conducted in PD. Furthermore, we have deliberated the common pesticides involved in PD and its associated genetic alterations and the probable mechanism of them behind PD pathogenesis. Hence, we conclude that pesticides play a prominent role in PD pathogenesis and advance research is needed to investigate the alterations in genetic and mechanistic aspects of PD.
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Affiliation(s)
- Balachandar Vellingiri
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore 641046, Tamil Nadu, India.
| | - Mamatha Chandrasekhar
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore 641046, Tamil Nadu, India
| | - S Sri Sabari
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore 641046, Tamil Nadu, India
| | - Abilash Valsala Gopalakrishnan
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
| | - Arul Narayanasamy
- Disease Proteomics Laboratory, Department of Zoology, Bharathiar University, Coimbatore 641046, Tamil Nadu, India
| | - Dhivya Venkatesan
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore 641046, Tamil Nadu, India
| | - Mahalaxmi Iyer
- Livestock Farming and Bioresource Technology, Tamil Nadu, India
| | - Kavindra Kesari
- Department of Applied Physics, School of Science, Aalto University, Espoo, 00076, Finland.
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, Kolkata, 700073, West Bengal, India
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26
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Castillo G, Barrios-Arpi L, Ramos-Gonzalez M, Vidal P, Gonzales-Irribarren A, Ramos-Cevallos N, Rodríguez JL. Neurotoxicity associated with oxidative stress and inflammasome gene expression induced by allethrin in SH-SY5Y cells. Toxicol Ind Health 2022; 38:777-788. [PMID: 36074087 DOI: 10.1177/07482337221089585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Pyrethroids, including allethrin, have largely been used as commercial insecticides. The toxicity of allethrin is little known, but it is assumed that, as occurs with other pyrethroids, it could cause alterations of the nervous system and pose both occupational and non-occupational health hazards. To evaluate the neurotoxicity of allethrin we used the MTT assay of SH-SY5Y neuroblastoma cells to determine cell viability. Dose-dependent reductions of cell viability served to compare the vehicle-group and the IC50 for allethrin, which was 49.19 μM. ROS production increased significantly at concentrations of 10-200 μM of allethrin, and NO levels were significantly increased by the effect of allethrin at a minimum concentration of 50 μM. Lipid peroxidation increased by the effect of allethrin at concentrations of 25, 50, 100, and 200 μM. Caspase 3/7 activity was induced by allethrin concentrations of 50, 100, and 200 μM. Here, we suggest that allethrin might affect the inflammasome complex (Caspase-1, NLRP3, and PYDC1) and apoptosis (Bax and Bcl-2) gene expression by mRNA fold change expression levels shown in Caspase-1 (2.46-fold), NLRP3 (1.57-fold), PYDC1 (1.48-fold), and Bax (2.1-fold). These results demonstrated that allethrin induced neurotoxicity effects on SH-SY5Y cells through activation of inflammasome pathways, cell death, and oxidative stress.
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Affiliation(s)
- Giovana Castillo
- Faculty of Pharmacy and Biochemistry, Research Institute Juan de Dios Guevara, 33209Universidad Nacional Mayor de San Marcos, Lima, Peru
| | - Luis Barrios-Arpi
- Animal Phisiology Laboratory, Faculty of Veterinary Medicine, 33209Universidad Nacional Mayor de San Marcos, Lima, Peru
| | - Mariella Ramos-Gonzalez
- Zootechnics and Animal Production Laboratory, Faculty of Veterinary Medicine, 33209Universidad Nacional Mayor de San Marcos, Lima, Peru
| | - Paola Vidal
- Animal Phisiology Laboratory, Faculty of Veterinary Medicine, 33209Universidad Nacional Mayor de San Marcos, Lima, Peru
| | - Alejandro Gonzales-Irribarren
- Pharmacology and Toxicology Laboratory, Faculty of Veterinary Medicine, 33209Universidad Nacional Mayor de San Marcos, Lima, Peru
| | - Norma Ramos-Cevallos
- Faculty of Pharmacy and Biochemistry, Research Institute Juan de Dios Guevara, 33209Universidad Nacional Mayor de San Marcos, Lima, Peru
| | - José-Luis Rodríguez
- Pharmacology and Toxicology Laboratory, Faculty of Veterinary Medicine, 33209Universidad Nacional Mayor de San Marcos, Lima, Peru.,Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Universidad Complutense de Madrid, Madrid, Spain
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27
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Pang Q, Zheng L, Ren Z, Xu H, Guo H, Shan W, Liu R, Gu Z, Wang T. Mechanism of Ferroptosis and Its Relationships with Other Types of Programmed Cell Death: Insights for Potential Therapeutic Benefits in Traumatic Brain Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1274550. [PMID: 36062196 PMCID: PMC9433211 DOI: 10.1155/2022/1274550] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/19/2022] [Accepted: 08/13/2022] [Indexed: 12/05/2022]
Abstract
Traumatic brain injury (TBI) is a serious health issue with a high incidence, high morbidity, and high mortality that poses a large burden on society. Further understanding of the pathophysiology and cell death models induced by TBI may support targeted therapies for TBI patients. Ferroptosis, a model of programmed cell death first defined in 2012, is characterized by iron dyshomeostasis, lipid peroxidation, and glutathione (GSH) depletion. Ferroptosis is distinct from apoptosis, autophagy, pyroptosis, and necroptosis and has been shown to play a role in secondary brain injury and worsen long-term outcomes after TBI. This review systematically describes (1) the regulatory pathways of ferroptosis after TBI, (2) the neurobiological links between ferroptosis and other cell death models, and (3) potential therapies targeting ferroptosis for TBI patients.
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Affiliation(s)
- Qiuyu Pang
- Department of Forensic Science, Suzhou Medicine College of Soochow University, Suzhou 215123, China
| | - Lexin Zheng
- Department of Forensic Science, Suzhou Medicine College of Soochow University, Suzhou 215123, China
| | - Zhiyang Ren
- Department of Forensic Science, Suzhou Medicine College of Soochow University, Suzhou 215123, China
| | - Heng Xu
- Department of Forensic Science, Suzhou Medicine College of Soochow University, Suzhou 215123, China
| | - Hanmu Guo
- Department of Forensic Science, Suzhou Medicine College of Soochow University, Suzhou 215123, China
| | - Wenqi Shan
- Department of Forensic Science, Suzhou Medicine College of Soochow University, Suzhou 215123, China
| | - Rong Liu
- Department of Forensic Science, Suzhou Medicine College of Soochow University, Suzhou 215123, China
| | - Zhiya Gu
- Department of Forensic Science, Suzhou Medicine College of Soochow University, Suzhou 215123, China
| | - Tao Wang
- Department of Forensic Science, Suzhou Medicine College of Soochow University, Suzhou 215123, China
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28
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Research progress on oxidative stress regulating different types of neuronal death caused by epileptic seizures. Neurol Sci 2022; 43:6279-6298. [DOI: 10.1007/s10072-022-06302-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 07/24/2022] [Indexed: 12/09/2022]
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29
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Ming S, Tian J, Ma K, Pei C, Li L, Wang Z, Fang Z, Liu M, Dong H, Li W, Zeng J, Peng Y, Gao X. Oxalate-induced apoptosis through ERS-ROS-NF-κB signalling pathway in renal tubular epithelial cell. Mol Med 2022; 28:88. [PMID: 35922749 PMCID: PMC9347104 DOI: 10.1186/s10020-022-00494-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 06/01/2022] [Indexed: 12/01/2022] Open
Abstract
Background Kidney stones are composed of approximately 70–80% calcium oxalate. However, the exact mechanism of formation of calcium oxalate kidney stones remains unclear. In this study, we investigated the roles of endoplasmic reticulum stress (ERS), reactive oxygen species (ROS), and the NF-κB signalling pathway in the pathogenesis of oxalate-induced renal tubular epithelial cell injury and its possible molecular mechanisms. Methods We established a model to evaluate the formation of kidney stones by intraperitoneal injection of glyoxylic acid solution into mice and assessed cell morphology, apoptosis, and the expression levels of ERS, ROS, and NF-κB signalling pathway-related proteins in mouse renal tissues. Next, we treated HK-2 cells with potassium oxalate to construct a renal tubular epithelial cell injury model. We detected the changes in autophagy, apoptosis, and mitochondrial membrane potential and investigated the ultrastructure of the cells by transmission electron microscopy. Western blotting revealed the expression levels of apoptosis and autophagy proteins; mitochondrial structural and functional proteins; and ERS, ROS, and NF-κB (p65) proteins. Lastly, we studied the downregulation of NF-κB activity in HK-2 cells by lentivirus interference and confirmed the interaction between the NF-κB signalling and ERS/ROS pathways. Results We observed swelling of renal tissues, increased apoptosis of renal tubular epithelial cells, and activation of the ERS, ROS, and NF-κB signalling pathways in the oxalate group. We found that oxalate induced autophagy, apoptosis, and mitochondrial damage in HK-2 cells and activated the ERS/ROS/NF-κB pathways. Interestingly, when the NF-κB signalling pathway was inhibited, the ERS/ROS pathway was also inhibited. Conclusion Oxalate induces HK-2 cell injury through the interaction between the NF-κB signalling and ERS/ROS pathways.
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Affiliation(s)
- Shaoxiong Ming
- Department of Urology, Changhai Hospital of Shanghai, No. 168, Changhai Road, Yangpu District, Shanghai, 200433, China
| | - Jia Tian
- Department of Human Sperm Bank of Ningxia, General Hospital of Ningxia Medical University, Ningxia Medical University, No. 804 Shengli South Street, Xingqing District, Yinchuan, 750001, Ningxia Hui Autonomous Region, China
| | - Ke Ma
- Department of Urology, Changhai Hospital of Shanghai, No. 168, Changhai Road, Yangpu District, Shanghai, 200433, China
| | - Chengbin Pei
- Department of Human Sperm Bank of Ningxia, General Hospital of Ningxia Medical University, Ningxia Medical University, No. 804 Shengli South Street, Xingqing District, Yinchuan, 750001, Ningxia Hui Autonomous Region, China
| | - Ling Li
- Department of Urology, Changhai Hospital of Shanghai, No. 168, Changhai Road, Yangpu District, Shanghai, 200433, China
| | - Zeyu Wang
- Department of Urology, Changhai Hospital of Shanghai, No. 168, Changhai Road, Yangpu District, Shanghai, 200433, China
| | - Ziyu Fang
- Department of Urology, Changhai Hospital of Shanghai, No. 168, Changhai Road, Yangpu District, Shanghai, 200433, China
| | - Min Liu
- Department of Urology, Changhai Hospital of Shanghai, No. 168, Changhai Road, Yangpu District, Shanghai, 200433, China
| | - Hao Dong
- Department of Urology, Changhai Hospital of Shanghai, No. 168, Changhai Road, Yangpu District, Shanghai, 200433, China
| | - Weijian Li
- Department of Urology, Sixth Affiliated Hospital of Guangzhou Medical University (Qingyuan People's Hospital), B24, Yinquan Road, XinchengDistrict, Qingyuan, 511518, Guangdong Province, China
| | - Jianwen Zeng
- Department of Urology, Sixth Affiliated Hospital of Guangzhou Medical University (Qingyuan People's Hospital), B24, Yinquan Road, XinchengDistrict, Qingyuan, 511518, Guangdong Province, China
| | - Yonghan Peng
- Department of Urology, Changhai Hospital of Shanghai, No. 168, Changhai Road, Yangpu District, Shanghai, 200433, China.
| | - Xiaofeng Gao
- Department of Urology, Changhai Hospital of Shanghai, No. 168, Changhai Road, Yangpu District, Shanghai, 200433, China.
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Zhang X, Tu D, Li S, Li N, Li D, Gao Y, Tian L, Liu J, Zhang X, Hong JS, Hou L, Zhao J, Wang Q. A novel synthetic peptide SVHRSP attenuates dopaminergic neurodegeneration by inhibiting NADPH oxidase-mediated neuroinflammation in experimental models of Parkinson's disease. Free Radic Biol Med 2022; 188:363-374. [PMID: 35760232 DOI: 10.1016/j.freeradbiomed.2022.06.241] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 06/17/2022] [Accepted: 06/22/2022] [Indexed: 01/21/2023]
Abstract
Current treatment of Parkinson's disease (PD) ameliorates symptoms but fails to block disease progression. This study was conducted to explore the protective effects of SVHRSP, a synthetic heat-resistant peptide derived from scorpion venom, against dopaminergic neurodegeneration in experimental models of PD. Results showed that SVHRSP dose-dependently reduced the loss of dopaminergic neuron in the nigrostriatal pathway and motor impairments in both rotenone and 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine/probenecid (MPTP/p)-induced mouse PD models. Microglial activation and imbalance of M1/M2 polarization were also abrogated by SVHRSP in both models. In rotenone-treated primary midbrain neuron-glial cultures, loss of dopaminergic neuron and microglial activation were mitigated by SVHRSP. Furthermore, lipopolysaccharide (LPS)-elicited microglial activation, M1 polarization and related dopaminergic neurodegeneration in primary cultures were also abrogated by SVHRSP, suggesting that inhibition of microglial activation contributed to SVHRSP-afforded neuroprotection. Mechanistic studies revealed that SVHRSP blocked both LPS- and rotenone-induced microglial NADPH oxidase (NOX2) activation by preventing membrane translocation of cytosolic subunit p47phox. NOX2 knockdown by siRNA markedly attenuated the inhibitory effects of SVHRSP against LPS- and rotenone-induced gene expressions of proinflammatory factors and related neurotoxicity. Altogether, SVHRSP protects dopaminergic neurons by blocking NOX2-mediated microglial activation in experimental PD models, providing experimental basis for the screening of clinical therapeutic drugs for PD.
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Affiliation(s)
- Xiaomeng Zhang
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, PR China
| | - Dezhen Tu
- Laboratory of Neurobiology, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA
| | - Sheng Li
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Na Li
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Donglai Li
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Yun Gao
- Laboratory of Neurobiology, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA
| | - Lu Tian
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Jianing Liu
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Xuan Zhang
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Jau-Shyong Hong
- Laboratory of Neurobiology, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC, USA
| | - Liyan Hou
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China
| | - Jie Zhao
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China.
| | - Qingshan Wang
- National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China; State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, PR China.
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Sun Y, Xia X, Basnet D, Zheng JC, Huang J, Liu J. Mechanisms of Ferroptosis and Emerging Links to the Pathology of Neurodegenerative Diseases. Front Aging Neurosci 2022; 14:904152. [PMID: 35837484 PMCID: PMC9273851 DOI: 10.3389/fnagi.2022.904152] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 06/03/2022] [Indexed: 12/15/2022] Open
Abstract
Neurodegenerative diseases are a diverse class of diseases attributed to chronic progressive neuronal degeneration and synaptic loss in the brain and/or spinal cord, including Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, amyotrophic lateral sclerosis and multiple sclerosis. The pathogenesis of neurodegenerative diseases is complex and diverse, often involving mitochondrial dysfunction, neuroinflammation, and epigenetic changes. However, the pathogenesis of neurodegenerative diseases has not been fully elucidated. Recently, accumulating evidence revealed that ferroptosis, a newly discovered iron-dependent and lipid peroxidation-driven type of programmed cell death, provides another explanation for the occurrence and progression of neurodegenerative diseases. Here, we provide an overview of the process and regulation mechanisms of ferroptosis, and summarize current research progresses that support the contribution of ferroptosis to the pathogenesis of neurodegenerative diseases. A comprehensive understanding of the emerging roles of ferroptosis in neurodegenerative diseases will shed light on the development of novel therapeutic technologies and strategies for slowing down the progression of these diseases.
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Affiliation(s)
- Yiyan Sun
- Department of Anesthesiology, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
| | - Xiaohuan Xia
- Department of Anesthesiology, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
- Center for Translational Neurodegeneration and Regenerative Therapy, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
- Shanghai Frontiers Science Center of Nanocatalytic Medicine, Shanghai, China
- Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
| | - Diksha Basnet
- Department of Anesthesiology, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
| | - Jialin C. Zheng
- Center for Translational Neurodegeneration and Regenerative Therapy, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
- Shanghai Frontiers Science Center of Nanocatalytic Medicine, Shanghai, China
- Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People’s Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
- Collaborative Innovation Center for Brain Science, Tongji University, Shanghai, China
- *Correspondence: Jialin C. Zheng,
| | - Jian Huang
- Key Laboratory of Systems Biomedicine (Ministry of Education) and Collaborative Innovation Center of Systems Biomedicine, Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai, China
- Jian Huang,
| | - Jianhui Liu
- Department of Anesthesiology, Tongji Hospital Affiliated to Tongji University School of Medicine, Shanghai, China
- Jianhui Liu,
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Ferroptosis as a mechanism of non-ferrous metal toxicity. Arch Toxicol 2022; 96:2391-2417. [PMID: 35727353 DOI: 10.1007/s00204-022-03317-y] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 05/11/2022] [Indexed: 11/02/2022]
Abstract
Ferroptosis is a recently discovered form of regulated cell death, implicated in multiple pathologies. Given that the toxicity elicited by some metals is linked to alterations in iron metabolism and induction of oxidative stress and lipid peroxidation, ferroptosis might be involved in such toxicity. Although direct evidence is insufficient, certain pioneering studies have demonstrated a crosstalk between metal toxicity and ferroptosis. Specifically, the mechanisms underlying metal-induced ferroptosis include induction of ferritinophagy, increased DMT-1 and TfR cellular iron uptake, mitochondrial dysfunction and mitochondrial reactive oxygen species (mitoROS) generation, inhibition of Xc-system and glutathione peroxidase 4 (GPX4) activity, altogether resulting in oxidative stress and lipid peroxidation. In addition, there is direct evidence of the role of ferroptosis in the toxicity of arsenic, cadmium, zinc, manganese, copper, and aluminum exposure. In contrast, findings on the impact of cobalt and nickel on ferroptosis are scant and nearly lacking altogether for mercury and especially lead. Other gaps in the field include limited studies on the role of metal speciation in ferroptosis and the critical cellular targets. Although further detailed studies are required, it seems reasonable to propose even at this early stage that ferroptosis may play a significant role in metal toxicity, and its modulation may be considered as a potential therapeutic tool for the amelioration of metal toxicity.
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Fan H, Ai R, Mu S, Niu X, Guo Z, Liu L. MiR-19a suppresses ferroptosis of colorectal cancer cells by targeting IREB2. Bioengineered 2022; 13:12021-12029. [PMID: 35599631 PMCID: PMC9275930 DOI: 10.1080/21655979.2022.2054194] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Colorectal cancer (CRC) is the most common malignant tumor occurred in digestive system. However, the prognosis of CRC patients is poor. Therefore, it is urgent to illuminate the mechanism suppressing CRC and explore novel targets or therapies for CRC treatment. MicroRNAs (miRNAs) are a class of non-coding RNAs with a length of 20–23 nucleotides encoded by endogenous genes, which are associated with the development of a variety of cancers, including CRC. Studies have shown that miR-19a is identified as oncogenic miRNA and promotes the proliferation, migration and invasion of CRC cells. However, the relationship between miR-19a and ferroptosis in CRC remains unknown. Here, we reported that iron-responsive element-binding protein 2 (IREB2), as an inducer of ferroptosis, was negatively regulated by miR-19a. IREB2 is a direct target of miR-19a. In addition, ferroptosis was suppressed by miR-19a through inhibiting IREB2. Thus, we proposed a novel mechanism of ferroptosis mediated by miR-19a in CRC cells, which could give rise to a new strategy for the therapy of CRC.
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Affiliation(s)
- Hongwei Fan
- Department of Gastroenterology, Shijiazhuang People’s Hospital, Shijiazhuang, Hebei, China
| | - Rong Ai
- Department of Gastroenterology, Shijiazhuang People’s Hospital, Shijiazhuang, Hebei, China
| | - Suen Mu
- Department of Gastroenterology, Shijiazhuang People’s Hospital, Shijiazhuang, Hebei, China
| | - Xuemin Niu
- Department of Gastroenterology, Shijiazhuang People’s Hospital, Shijiazhuang, Hebei, China
| | - Zhengrong Guo
- Department of Gastroenterology, Shijiazhuang People’s Hospital, Shijiazhuang, Hebei, China
| | - Lin Liu
- Department of Pathology, Shijiazhuang People’s Hospital, Shijiazhuang, Hebei, China
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Zhang Y, Mou Y, Zhang J, Suo C, Zhou H, Gu M, Wang Z, Tan R. Therapeutic Implications of Ferroptosis in Renal Fibrosis. Front Mol Biosci 2022; 9:890766. [PMID: 35655759 PMCID: PMC9152458 DOI: 10.3389/fmolb.2022.890766] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 04/12/2022] [Indexed: 12/13/2022] Open
Abstract
Renal fibrosis is a common feature of chronic kidney disease (CKD), and can lead to the destruction of normal renal structure and loss of kidney function. Little progress has been made in reversing fibrosis in recent years. Ferroptosis is more immunogenic than apoptosis due to the release and activation of damage-related molecular patterns (DAMPs) signals. In this paper, the relationship between renal fibrosis and ferroptosis was reviewed from the perspective of iron metabolism and lipid peroxidation, and some pharmaceuticals or chemicals associated with both ferroptosis and renal fibrosis were summarized. Other programmed cell death and ferroptosis in renal fibrosis were also firstly reviewed for comparison and further investigation.
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Affiliation(s)
- Yao Zhang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yanhua Mou
- Department of Oncology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, China
| | - Jianjian Zhang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Chuanjian Suo
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Hai Zhou
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Min Gu
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zengjun Wang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Ruoyun Tan
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
- *Correspondence: Ruoyun Tan,
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Exploring the Association between Glutathione Metabolism and Ferroptosis in Osteoblasts with Disuse Osteoporosis and the Key Genes Connecting them. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:4914727. [PMID: 35602340 PMCID: PMC9119747 DOI: 10.1155/2022/4914727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/09/2022] [Accepted: 04/18/2022] [Indexed: 11/17/2022]
Abstract
Disused osteoporosis is a kind of osteoporosis, a common age-related disease. Neurological disorders are major risk factors for osteoporosis. Though there are many studies on disuse osteoporosis, the genetic mechanisms for the association between glutathione metabolism and ferroptosis in osteoblasts with disuse osteoporosis are still unclear. The purpose of this study is to explore the key genes and other related mechanism of ferroptosis and glutathione metabolism in osteoblast differentiation and disuse osteoporosis. By weighted gene coexpression network analysis (WGCNA), the process of osteoblast differentiation-related genes was studied in GSE30393. And the related functional pathways were found through the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis. By combining GSE1367 and GSE100933 together, key genes which were separately bound up with glutathione metabolism and ferroptosis were located. The correlation of these key genes was analyzed by the Pearson correlation coefficient. GSTM1 targeted agonist glutathione (GSH) selected by connectivity map (CMap) analysis was used to interfere with the molding disused osteoporosis process in MC3T3-E1 cells. RT-PCR and intracellular reactive oxygen species (ROS) were performed. Two important pathways, glutathione metabolism and ferroptosis pathways, were found. GSTM1 and TFRC were thought as key genes in disuse osteoporosis osteoblasts with the two mechanisms. The two genes have a strong negative correlation. Our experiment results showed that the expression of TFRC was consistent with the negative correlation with the activation process of GSTM1. The strong relationship between the two genes was proved. Glutathione metabolism and ferroptosis are important in the normal differentiation of osteoblasts and the process of disuse osteoporosis. GSTM1 and TFRC were the key genes. The two genes interact with each other, which can be seen as a bridge between the two pathways. The two genes participate in the process of reducing ROS in disuse osteoporosis osteoblasts.
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Ou M, Jiang Y, Ji Y, Zhou Q, Du Z, Zhu H, Zhou Z. Role and Mechanism of Ferroptosis in Neurological Diseases. Mol Metab 2022; 61:101502. [PMID: 35447365 PMCID: PMC9170779 DOI: 10.1016/j.molmet.2022.101502] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/14/2022] [Accepted: 04/15/2022] [Indexed: 02/08/2023] Open
Abstract
Background Ferroptosis, as a new form of cell death, is different from other cell deaths such as autophagy or senescence. Ferroptosis involves in the pathophysiological progress of several diseases, including cancers, cardiovascular diseases, nervous system diseases, and kidney damage. Since oxidative stress and iron deposition are the broad pathological features of neurological diseases, the role of ferroptosis in neurological diseases has been widely explored. Scope of review Ferroptosis is mainly characterized by changes in iron homeostasis, iron-dependent lipid peroxidation, and glutamate toxicity accumulation, of which can be specifically reversed by ferroptosis inducers or inhibitors. The ferroptosis is mainly regulated by the metabolism of iron, lipids and amino acids through System Xc−, voltage-dependent anion channels, p53, p62-Keap1-Nrf2, mevalonate and other pathways. This review also focus on the regulatory pathways of ferroptosis and its research progress in neurological diseases. Major conclusions The current researches of ferroptosis in neurological diseases mostly focus on the key pathways of ferroptosis. At the same time, ferroptosis was found playing a bidirectional regulation role in neurological diseases. Therefore, the specific regulatory mechanisms of ferroptosis in neurological diseases still need to be further explored to provide new perspectives for the application of ferroptosis in the treatment of neurological diseases.
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Affiliation(s)
- Mengmeng Ou
- The affiliated Wuxi Mental Health Center of JiangNan University, Wuxi Tongren International Rehabilitation Hospital, Wuxi, Jiangsu, 214151, China
| | - Ying Jiang
- The affiliated Wuxi Mental Health Center of JiangNan University, Wuxi Tongren International Rehabilitation Hospital, Wuxi, Jiangsu, 214151, China
| | - Yingying Ji
- The affiliated Wuxi Mental Health Center of JiangNan University, Wuxi Tongren International Rehabilitation Hospital, Wuxi, Jiangsu, 214151, China
| | - Qin Zhou
- The affiliated Wuxi Mental Health Center of JiangNan University, Wuxi Tongren International Rehabilitation Hospital, Wuxi, Jiangsu, 214151, China
| | - Zhiqiang Du
- The affiliated Wuxi Mental Health Center of JiangNan University, Wuxi Tongren International Rehabilitation Hospital, Wuxi, Jiangsu, 214151, China
| | - Haohao Zhu
- The affiliated Wuxi Mental Health Center of JiangNan University, Wuxi Tongren International Rehabilitation Hospital, Wuxi, Jiangsu, 214151, China.
| | - Zhenhe Zhou
- The affiliated Wuxi Mental Health Center of JiangNan University, Wuxi Tongren International Rehabilitation Hospital, Wuxi, Jiangsu, 214151, China.
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Wang F, Wang J, Shen Y, Li H, Rausch WD, Huang X. Iron Dyshomeostasis and Ferroptosis: A New Alzheimer’s Disease Hypothesis? Front Aging Neurosci 2022; 14:830569. [PMID: 35391749 PMCID: PMC8981915 DOI: 10.3389/fnagi.2022.830569] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 02/25/2022] [Indexed: 12/12/2022] Open
Abstract
Iron plays a crucial role in many physiological processes of the human body, but iron is continuously deposited in the brain as we age. Early studies found iron overload is directly proportional to cognitive decline in Alzheimer’s disease (AD). Amyloid precursor protein (APP) and tau protein, both of which are related to the AD pathogenesis, are associated with brain iron metabolism. A variety of iron metabolism-related proteins have been found to be abnormally expressed in the brains of AD patients and mouse models, resulting in iron deposition and promoting AD progression. Amyloid β (Aβ) and hyperphosphorylated tau, two pathological hallmarks of AD, can also promote iron deposition in the brain, forming a vicious cycle of AD development-iron deposition. Iron deposition and the subsequent ferroptosis has been found to be a potential mechanism underlying neuronal loss in many neurodegenerative diseases. Iron chelators, antioxidants and hepcidin were found useful for treating AD, which represents an important direction for AD treatment research and drug development in the future. The review explored the deep connection between iron dysregulation and AD pathogenesis, discussed the potential of new hypothesis related to iron dyshomeostasis and ferroptosis, and summarized the therapeutics capable of targeting iron, with the expectation to draw more attention of iron dysregulation and corresponding drug development.
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Affiliation(s)
- Feixue Wang
- Department of Traditional Chinese Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
- Beijing Geriatric Institute of Integrated Traditional and Western Medicine, Beijing, China
| | - Jiandong Wang
- Department of Traditional Chinese Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
- Beijing Geriatric Institute of Integrated Traditional and Western Medicine, Beijing, China
| | - Ying Shen
- Department of Traditional Chinese Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
- Beijing Geriatric Institute of Integrated Traditional and Western Medicine, Beijing, China
| | - Hao Li
- Department of General Diseases, Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Wolf-Dieter Rausch
- Department of Biomedical Sciences, Institute of Medical Biochemistry, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Xiaobo Huang
- Department of Traditional Chinese Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
- Beijing Geriatric Institute of Integrated Traditional and Western Medicine, Beijing, China
- *Correspondence: Xiaobo Huang,
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Microglial Activation Damages Dopaminergic Neurons through MMP-2/-9-Mediated Increase of Blood-Brain Barrier Permeability in a Parkinson's Disease Mouse Model. Int J Mol Sci 2022; 23:ijms23052793. [PMID: 35269933 PMCID: PMC8910886 DOI: 10.3390/ijms23052793] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/26/2022] [Accepted: 02/28/2022] [Indexed: 02/06/2023] Open
Abstract
Chronic neuroinflammation has been considered to be involved in the progressive dopaminergic neurodegeneration in Parkinson’s disease (PD). However, the mechanisms remain unknown. Accumulating evidence indicated a key role of the blood–brain barrier (BBB) dysfunction in neurological disorders. This study is designed to elucidate whether chronic neuroinflammation damages dopaminergic neurons through BBB dysfunction by using a rotenone-induced mouse PD model. Results showed that rotenone dose-dependently induced nigral dopaminergic neurodegeneration, which was associated with increased Evans blue content and fibrinogen accumulation as well as reduced expressions of zonula occludens-1 (ZO-1), claudin-5 and occludin, three tight junction proteins for maintaining BBB permeability, in mice, indicating BBB disruption. Rotenone also induced nigral microglial activation. Depletion of microglia or inhibition of microglial activation by PLX3397 or minocycline, respectively, greatly attenuated BBB dysfunction in rotenone-lesioned mice. Mechanistic inquiry revealed that microglia-mediated activation of matrix metalloproteinases-2 and 9 (MMP-2/-9) contributed to rotenone-induced BBB disruption and dopaminergic neurodegeneration. Rotenone-induced activation of MMP-2/-9 was significantly attenuated by microglial depletion and inactivation. Furthermore, inhibition of MMP-2/-9 by a wide-range inhibitor, SB-3CT, abrogated elevation of BBB permeability and simultaneously increased tight junctions expression. Finally, we found that microglial depletion and inactivation as well as inhibition of MMP-2/-9 significantly ameliorated rotenone-elicited nigrostriatal dopaminergic neurodegeneration and motor dysfunction in mice. Altogether, our findings suggested that microglial MMP-2/-9 activation-mediated BBB dysfunction contributed to dopaminergic neurodegeneration in rotenone-induced mouse PD model, providing a novel view for the mechanisms of Parkinsonism.
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Guo Z, Ruan Z, Zhang D, Liu X, Hou L, Wang Q. Rotenone impairs learning and memory in mice through microglia-mediated blood brain barrier disruption and neuronal apoptosis. CHEMOSPHERE 2022; 291:132982. [PMID: 34822863 DOI: 10.1016/j.chemosphere.2021.132982] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 11/13/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
Rotenone is a neurotoxic pesticide widely used in agriculture. Dopaminergic neuron has long been considered as the target of rotenone. We recently reported that rotenone exposure also resulted in hippocampal and cortical neurodegeneration and cognitive dysfunction in mice. However, the mechanisms remain unknown. Here, we elucidated whether blood brain barrier (BBB) disruption and subsequent neuronal apoptosis mediated by microglial activation were involved in rotenone-elicited cognitive impairments. Results showed that rotenone dose-dependently elevated evens blue extravasation, fibrinogen accumulation and reduced expressions of tight junction proteins in the hippocampus and cortex of mice. Interestingly, microglial depletion and inactivation by PLX3397 and minocycline, respectively, markedly attenuated rotenone-elicited increase of BBB permeability, indicating a critical role of microglia. Furthermore, microglial depletion and inactivation were shown to abrogate rotenone-induced activation of matrix metalloproteinases 2 and 9 (MMP-2/-9), two important factors to regulate tight junction degradation and BBB permeability, in mice. Moreover, SB-3CT, a widely used MMP-2/-9 inhibitor, increased BBB integrity and simultaneously elevated expressions of tight junction proteins in rotenone-intoxicated mice. Finally, we found that SB-3CT significantly mitigated rotenone-induced neuronal apoptosis and synaptic loss as well as learning and memory impairments in mice. Altogether, this study revealed that rotenone elicited cognitive impairments in mice through microglia-mediated BBB disruption and neuronal apoptosis via MMP-2/-9, providing a novel aspect for the pathogenesis of pesticide-induced neurotoxicity and Parkinson's disease (PD)-related dementia.
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Affiliation(s)
- Ziyang Guo
- School of Public Health, Dalian Medical University, Dalian, 116044, China
| | - Zhengzheng Ruan
- School of Public Health, Dalian Medical University, Dalian, 116044, China; Public Health Development Branch, Shaoxing Yuecheng People's Hospital, Shaoxing, 312000, China
| | - Dongdong Zhang
- School of Public Health, Dalian Medical University, Dalian, 116044, China; Xi'an Center for Disease Control and Prevention, Xi'an, 710018, China
| | - Xiaohui Liu
- School of Public Health, Dalian Medical University, Dalian, 116044, China
| | - Liyan Hou
- School of Public Health, Dalian Medical University, Dalian, 116044, China.
| | - Qingshan Wang
- School of Public Health, Dalian Medical University, Dalian, 116044, China; National-Local Joint Engineering Research Center for Drug-Research and Development (R & D) of Neurodegenerative Diseases, Dalian Medical University, Dalian, 116044, China.
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Xiong Y, Su L, Ye F, Zhao S. Inhibition of NADP(H) supply by highly active phosphatase-like ceria nanozymes to boost oxidative stress and ferroptosis. MATERIALS TODAY CHEMISTRY 2022; 23:100672. [DOI: 10.1016/j.mtchem.2021.100672] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
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Jaiswal G, Kumar P. Neuroprotective role of apocynin against pentylenetetrazole kindling epilepsy and associated comorbidities in mice by suppression of ROS/RNS. Behav Brain Res 2022; 419:113699. [PMID: 34856299 DOI: 10.1016/j.bbr.2021.113699] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 11/24/2021] [Accepted: 11/27/2021] [Indexed: 01/03/2023]
Abstract
Epilepsy is a neurological disease that transpires due to the unusual synchronized neuronal discharge within the central nervous system, which drives repetitious unprovoked seizures. Nicotinamide adenine dinucleotide phosphate (NADPH) oxidase is a complex enzyme accountable for reactive oxygen species (ROS) production, neurodegeneration, neurotoxicity, memory impairment, vitiates normal cellular processes, long term potentiation, and thus, implicated in the pathogenesis of epilepsy. Therefore, the present study was sketched to examine the neuroprotective effect of apocynin, NADPH oxidase inhibitor in pentylenetetrazole kindling epilepsy, and induced comorbidities in mice. Mice (either sex) were given pentylenetetrazole (35 mg/kg, i.p.) every other day up to 29 days, and a challenge test was executed on the 33rd day. Pretreatment with apocynin (25, 50, and 100 mg/kg, i.p.) was carried out from 1st to 33rd day. Rotarod and open field test were performed on the 1st, 10th, 20th, and 30th days of the study. Animals were tutored on the morris water maze from 30th to 33rd day, and the retention was registered on the 34th day. Tail suspension test and elevated plus maze were sequentially performed on the 32nd and 33rd day of the study. On the 34th day, animals were sacrificed, and their brains were isolated to conduct biochemical estimation. NADPH oxidase activation due to chronic pentylenetetrazole treatment resulted in generalized tonic-clonic seizures, enhanced oxidative stress, remodeled neurotransmitters' level, and resulted in comorbidities (anxiety, depression, and memory impairment). Pretreatment with apocynin significantly restricted the pentylenetetrazole induced seizure severity, ROS production, neurotransmitter alteration, and comorbid conditions by inhibiting the NADPH oxidase enzyme.
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Affiliation(s)
- Gagandeep Jaiswal
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda (Punjab), India.
| | - Puneet Kumar
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda (Punjab), India; Department of Pharmacology, Central University of Punjab, Bathinda (Punjab), India.
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Lin J, Tan B, Li Y, Feng H, Chen Y. Sepsis-Exacerbated Brain Dysfunction After Intracerebral Hemorrhage. Front Cell Neurosci 2022; 15:819182. [PMID: 35126060 PMCID: PMC8814659 DOI: 10.3389/fncel.2021.819182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 12/27/2021] [Indexed: 12/28/2022] Open
Abstract
Sepsis susceptibility is significantly increased in patients with intracerebral hemorrhage (ICH), owing to immunosuppression and intestinal microbiota dysbiosis. To date, ICH with sepsis occurrence is still difficult for clinicians to deal with, and the mortality, as well as long-term cognitive disability, is still increasing. Actually, intracerebral hemorrhage and sepsis are mutually exacerbated via similar pathophysiological mechanisms, mainly consisting of systemic inflammation and circulatory dysfunction. The main consequence of these two processes is neural dysfunction and multiple organ damages, notably, via oxidative stress and neurotoxic mediation under the mediation of central nervous system activation and blood-brain barrier disruption. Besides, the comorbidity-induced multiple organ damages will produce numerous damage-associated molecular patterns and consequently exacerbate the severity of the disease. At present, the prospective views are about operating artificial restriction for the peripheral immune system and achieving cross-tolerance among organs via altering immune cell composition to reduce inflammatory damage.
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Affiliation(s)
- Jie Lin
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
| | - Binbin Tan
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
| | - Yuhong Li
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
| | - Hua Feng
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
- Hua Feng, ;
| | - Yujie Chen
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
- Chongqing Clinical Research Center for Neurosurgery, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
- Chongqing Key Laboratory of Precision Neuromedicine and Neuroregenaration, Southwest Hospital, Third Military Medical University, Army Medical University, Chongqing, China
- *Correspondence: Yujie Chen, ;
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Zhang HY, Lu X, Hao YH, Tang L, He ZY. Oxidized low-density lipoprotein receptor 1: a novel potential therapeutic target for intracerebral hemorrhage. Neural Regen Res 2022; 17:1795-1801. [PMID: 35017440 PMCID: PMC8820711 DOI: 10.4103/1673-5374.332157] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Oxidized low-density lipoprotein receptor 1 (OLR1) is upregulated in neurons and participates in hypertension-induced neuronal apoptosis. OLR1 deletion exerts protective effects on cerebral damage induced by hypertensive-induced stroke. Therefore, OLR1 is likely involved in the progress of intracerebral hemorrhage. In this study, we examined the potential role of OLR1 in intracerebral hemorrhage using a rat model. OLR1 small interfering RNA (10 μL; 50 pmol/μL) was injected into the right basal ganglia to knock down OLR1. Twenty-four hours later, 0.5 U collagenase type VII was injected to induce intracerebral hemorrhage. We found that knockdown of OLR1 attenuated neurological behavior impairment in rats with intracerebral hemorrhage and reduced hematoma, neuron loss, inflammatory reaction, and oxidative stress in rat brain tissue. We also found that silencing of OLR1 suppressed ferroptosis induced by intracerebral hemorrhage and the p38 signaling pathway. Therefore, silencing OLR1 exhibits protective effects against secondary injury of intracerebral hemorrhage. These findings suggest that OLR1 may be a novel potential therapeutic target for intracerebral hemorrhage.
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Affiliation(s)
- Hui-Yuan Zhang
- Department of Neurology, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Xi Lu
- Department of Neurology, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Yue-Han Hao
- Department of Neurology, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Ling Tang
- Department of Neurology, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Zhi-Yi He
- Department of Neurology, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
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Maltol as a Novel Agent Protecting SH-SY5Y Cells Against Hemin-induced Ferroptosis. Chem Res Chin Univ 2021. [DOI: 10.1007/s40242-021-1438-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Liang M, Ye H, Shen Q, Jiang X, Cui G, Gu W, Zhang LH, Naqvi NI, Deng YZ. Tangeretin inhibits fungal ferroptosis to suppress rice blast. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2021; 63:2136-2149. [PMID: 34570416 DOI: 10.1111/jipb.13175] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 09/23/2021] [Indexed: 06/13/2023]
Abstract
Flavonoids are polyphenolic secondary metabolites that function as signaling molecules, allopathic compounds, phytoalexins, detoxifying agents and antimicrobial defensive compounds in plants. Blast caused by the fungus Magnaporthe oryzae is a serious disease affecting rice cultivation. In this study, we revealed that a natural flavonoid, tangeretin, substantially delays the formation of M. oryzae appressoria and blocks the development of blast lesions on rice plants. Our data suggest that tangeretin has antioxidant activity that interferes with conidial cell death/ferroptosis, which is critical for M. oryzae pathogenicity. Tangeretin showed a ferroptosis inhibition efficacy comparable to the well-established liproxstatin-1. Furthermore, overexpression of the NADPH oxidases NOX1 or NOX2 significantly decreased sensitivity toward tangeretin treatment, suggesting Nox-mediated lipid peroxidation as a possible target for tangeretin in regulating redox signaling and ferroptosis in M. oryzae. Our nursery and field tests showed that application of tangeretin can effectively mitigate overall disease symptoms and prevent leaf blast. Our study reveals the plant-derived fungal ferroptosis inhibitor tangeretin as a potential and novel antifungal agrochemical for the sustainable prevention of the devastating blast disease in important cereal crops.
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Affiliation(s)
- Meiling Liang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Center, South China Agricultural University, Guangzhou, 510642, China
| | - Huijuan Ye
- Zhaoqing Food Inspection Institute, Zhaoqing, 526000, China
| | - Qing Shen
- Temasek Life Sciences Laboratory, Singapore, 117604, Singapore
| | - Xianya Jiang
- Yangjiang Institute of Agricultural Sciences, Yangjiang, 529500, China
| | - Guobing Cui
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Center, South China Agricultural University, Guangzhou, 510642, China
| | - Wenxiang Gu
- Department of Applied Chemistry, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, China
| | - Lian-Hui Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Center, South China Agricultural University, Guangzhou, 510642, China
| | - Naweed I Naqvi
- Temasek Life Sciences Laboratory, Singapore, 117604, Singapore
- Department of Biological Sciences, National University of Singapore, Singapore, 117558, Singapore
| | - Yi Zhen Deng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Center, South China Agricultural University, Guangzhou, 510642, China
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Ferroptosis as a Major Factor and Therapeutic Target for Neuroinflammation in Parkinson's Disease. Biomedicines 2021; 9:biomedicines9111679. [PMID: 34829907 PMCID: PMC8615560 DOI: 10.3390/biomedicines9111679] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/09/2021] [Accepted: 11/11/2021] [Indexed: 12/16/2022] Open
Abstract
Mounting evidence suggests that ferroptosis is not just a consequence but also a fundamental contributor to the development and progression of Parkinson’s disease (PD). Ferroptosis is characterized as iron-dependent regulated cell death caused by excessive lipid peroxidation, leading to plasma membrane rupture, release of damage-associated molecular patterns, and neuroinflammation. Due to the crucial role of intracellular iron in mediating the production of reactive oxygen species and the formation of lipid peroxides, ferroptosis is intimately controlled by regulators involved in many aspects of iron metabolism, including iron uptake, storage and export, and by pathways constituting the antioxidant systems. Translational and transcriptional regulation of iron homeostasis and redox status provide an integrated network to determine the sensitivity of ferroptosis. We herein review recent advances related to ferroptosis, ranging from fundamental mechanistic discoveries and cutting-edge preclinical animal studies, to clinical trials in PD and the regulation of neuroinflammation via ferroptosis pathways. Elucidating the roles of ferroptosis in the survival of dopaminergic neurons and microglial activity can enhance our understanding of the pathogenesis of PD and provide opportunities for the development of novel prevention and treatment strategies.
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Abstract
Ferroptosis, an iron-dependent form of programmed cell death, is characterized by iron overload, increased reactive oxygen species (ROS) generation, and depletion of glutathione (GSH) and lipid peroxidation. Lipophilic antioxidants and iron chelators can prevent ferroptosis. GSH-dependent glutathione peroxidase 4 (GPX4) prevents lipid ROS accumulation. Ferroptosis is thought to be initiated through GPX4 inactivation. Moreover, mitochondrial iron overload derived from the degradation of ferritin is involved in increasing ROS generation. Ferroptosis has been suggested to explain the mechanism of action of organ toxicity induced by several drugs and chemicals. Inhibition of ferroptosis may provide novel therapeutic opportunities for treatment and even prevention of such organ toxicities.
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Affiliation(s)
- Fatemeh Yarmohammadi
- Student Research Committee, 37552Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School of Pharmacy, 37552Mashhad University of Medical Sciences, Mashhad, Iran
| | - A Wallace Hayes
- Center for Environmental Occupational Risk Analysis and Management, College of Public Health, 27117University of South Florida, Tampa, FL, USA.,Institute for Integrative Toxicology, 27117Michigan State University, East Lansing, MI, USA
| | - Gholamreza Karimi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, 37552Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, 37552Mashhad University of Medical Sciences, Mashhad, Iran
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Lu S, Wang XZ, He C, Wang L, Liang SP, Wang CC, Li C, Luo TF, Feng CS, Wang ZC, Chi GF, Ge PF. ATF3 contributes to brucine-triggered glioma cell ferroptosis via promotion of hydrogen peroxide and iron. Acta Pharmacol Sin 2021; 42:1690-1702. [PMID: 34112960 PMCID: PMC8463534 DOI: 10.1038/s41401-021-00700-w] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 05/16/2021] [Indexed: 02/07/2023] Open
Abstract
Ferroptotic cell death is characterized by iron-dependent lipid peroxidation that is initiated by ferrous iron and H2O2 via Fenton reaction, in which the role of activating transcription factor 3 (ATF3) remains elusive. Brucine is a weak alkaline indole alkaloid extracted from the seeds of Strychnos nux-vomica, which has shown potent antitumor activity against various tumors, including glioma. In this study, we showed that brucine inhibited glioma cell growth in vitro and in vivo, which was paralleled by nuclear translocation of ATF3, lipid peroxidation, and increases of iron and H2O2. Furthermore, brucine-induced lipid peroxidation was inhibited or exacerbated when intracellular iron was chelated by deferoxamine (500 μM) or improved by ferric ammonium citrate (500 μM). Suppression of lipid peroxidation with lipophilic antioxidants ferrostatin-1 (50 μM) or liproxstatin-1 (30 μM) rescued brucine-induced glioma cell death. Moreover, knockdown of ATF3 prevented brucine-induced accumulation of iron and H2O2 and glioma cell death. We revealed that brucine induced ATF3 upregulation and translocation into nuclei via activation of ER stress. ATF3 promoted brucine-induced H2O2 accumulation via upregulating NOX4 and SOD1 to generate H2O2 on one hand, and downregulating catalase and xCT to prevent H2O2 degradation on the other hand. H2O2 then contributed to brucine-triggered iron increase and transferrin receptor upregulation, as well as lipid peroxidation. This was further verified by treating glioma cells with exogenous H2O2 alone. Moreover, H2O2 reversely exacerbated brucine-induced ER stress. Taken together, ATF3 contributes to brucine-induced glioma cell ferroptosis via increasing H2O2 and iron.
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Affiliation(s)
- Shan Lu
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Xuan-Zhong Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Chuan He
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Lei Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Shi-Peng Liang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Chong-Cheng Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Chen Li
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Tian-Fei Luo
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
- Department of Neurology, First Hospital of Jilin University, Changchun, 130021, China
| | - Chun-Sheng Feng
- Department of Anesthesiology, First Hospital of Jilin University, Changchun, 130021, China
| | - Zhen-Chuan Wang
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China
| | - Guang-Fan Chi
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, 130021, China
| | - Peng-Fei Ge
- Department of Neurosurgery, First Hospital of Jilin University, Changchun, 130021, China.
- Research Center of Neuroscience, First Hospital of Jilin University, Changchun, 130021, China.
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Reactive Oxygen Species (ROS) Regulates Different Types of Cell Death by Acting as a Rheostat. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:9912436. [PMID: 34426760 PMCID: PMC8380163 DOI: 10.1155/2021/9912436] [Citation(s) in RCA: 103] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 06/14/2021] [Accepted: 07/24/2021] [Indexed: 12/14/2022]
Abstract
Reactive oxygen species (ROS) are essential for cellular signaling and response to stress. The level of ROS and the type of ROS determine the ability of cells to undergo cell death. Furthermore, dysregulation of the antioxidant pathways is associated with many diseases. It has become apparent that cell death can occur through different mechanisms leading to the classifications of different types of cell death such as apoptosis, ferroptosis, and necroptosis. ROS play essential roles in all forms of cell death, but it is only now coming into focus that ROS control and determine the type of cell death that occurs in any given cell. Indeed, ROS may act as a rheostat allowing different cell death mechanisms to be engaged and crosstalk with different cell death types. In this review, we will describe the ROS regulatory pathways and how they control different types of cell death under normal and disease states. We will also propose how ROS could provide a mechanism of crosstalk between cell death mechanisms and act as a rheostat determining the type of cell death.
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Sun W, Shen Y, Xiao H, Li H. Resveratrol attenuates rotenone-induced inflammation and oxidative stress via STAT1 and Nrf2/Keap1/SLC7A11 pathway in a microglia cell line. Pathol Res Pract 2021; 225:153576. [PMID: 34391968 DOI: 10.1016/j.prp.2021.153576] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 07/29/2021] [Indexed: 12/31/2022]
Abstract
SCOPE Resveratrol is abundant in grapes. A protective role for resveratrol in anti-oxidation and anti-inflammatory has been demonstrated. Rotenone is a pesticide, used to make animal models of Parkinson's disease (PD). The aim of our study was to investigate the protective effect of resveratrol on rotenone-induced microglial BV-2 cells and the mechanism. METHODS BV-2 cells were pretreated with resveratrol for 1 h and then exposed to rotenone. The level of microglia activation was detected. The Iron content and the production of glutathione, malondialdehyde (MDA), reactive oxygen species(ROS) were detected to reflect the status of oxidative stress. The mRNA levels of interleukin-1β (IL-1β), IL-6 and tumor necrosis factor-α (TNF-α) were measured by qRT-PCR.The expressions of p-STAT1, NF-E2-related factor (Nrf2), Kelch-like ECH-associated protein 1 (Keap1) and SLC7A11 were measured by western blot. RESULT Our results showed that resveratrol attenuates microglia activation and M1 polarization in rotenone-induced BV-2 cells. Rotenone induced the production of free iron, ROS and MDA and inhibited the activity of glutathione, while the effects were reserved by resveratrol. Resveratrol also inhibited the induction effect of rotenone on IL-6, IL-1β, and TNF-α. In addition, resveratrol enhanced the protective effect of on rotenone-induced BV-2 cells via the inhibition of STAT1 and Keap1 and the upregulation of Nrf2 and SLC7A11. CONCLUSION Resveratrol attenuated rotenone-induced inflammation and oxidative stress in BV-2 cells through enhancing the inhibition of STAT1and Keap1 and the upregulation of Nrf2 and SLC7A11.
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Affiliation(s)
- Wei Sun
- Department of Nutrition and Food Hygiene, School of Public Health, Xinjiang Medical University, Urumqi 830011, Xinjiang, People's Republic of China
| | - Yujun Shen
- Department of Pharmacology, Key Laboratory of Immune Microenvironment and Disease (Ministry of Education), School of Basic Medical Sciences, Tianjin Medical University, Tianjin 300070, People's Republic of China
| | - Hui Xiao
- Department of Nutrition and Food Hygiene, School of Public Health, Xinjiang Medical University, Urumqi 830011, Xinjiang, People's Republic of China.
| | - Huihua Li
- Department of Cardiology, Institute of Cardiovascular Diseases, First Affiliated Hospital of Dalian Medical University, Dalian 116011, People's Republic of China; Department of Emergency Medicine, Beijing Key Laboratory of Cardiopulmonary, Cerebral Resuscitation, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, People's Republic of China.
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