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Snyder J, Wu Z. Origins of nervous tissue susceptibility to ferroptosis. CELL INSIGHT 2023; 2:100091. [PMID: 37398634 PMCID: PMC10308196 DOI: 10.1016/j.cellin.2023.100091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 03/03/2023] [Accepted: 03/11/2023] [Indexed: 07/04/2023]
Abstract
Ferroptosis is a newly defined form of programmed cell death. It possesses unique processes of cell demise, cytopathological changes, and independent signal regulation pathways. Ferroptosis is considered to be deeply involved in the development of many diseases, including cancer, cardiovascular diseases, and neurodegeneration. Intriguingly, why cells in certain tissues and organs (such as the central nervous system, CNS) are more sensitive to changes in ferroptosis remains a question that has not been carefully discussed. In this Holmesian review, we discuss lipid composition as a potential but often overlooked determining factor in ferroptosis sensitivity and the role of polyunsaturated fatty acids (PUFAs) in the pathogenesis of several common human neurodegenerative diseases. In subsequent studies of ferroptosis, lipid composition needs to be given special attention, as it may significantly affect the susceptibility of the cell model used (or the tissue studied).
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Affiliation(s)
- Jessica Snyder
- Department of Biological Sciences, Dedman College of Humanities and Sciences, Southern Methodist University, Dallas, TX, 75275, USA
| | - Zhihao Wu
- Department of Biological Sciences, Dedman College of Humanities and Sciences, Southern Methodist University, Dallas, TX, 75275, USA
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Kholghi A, Hatami H, Khajehnasiri N, Sadeghian R. Intraperitoneal injection of buprenorphine on anxiety-like behavior and alteration in expression of Gfap and Nrf2 in methamphetamine treated rats. VETERINARY RESEARCH FORUM : AN INTERNATIONAL QUARTERLY JOURNAL 2022; 13:417-422. [PMID: 36320298 PMCID: PMC9548217 DOI: 10.30466/vrf.2021.140211.3111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 09/13/2021] [Indexed: 06/16/2023]
Abstract
The effects of buprenorphine (BUP) on anxiety-like behavior and the expression of the glial fibrillary acidic protein (Gfap) and nuclear factor erythroid 2-related factor 2 (Nrf2) in methamphetamine (METH)-treated rats were investigated in this study. Twenty-eight male Wistar rats were randomly divided into four groups including control (saline), METH (10.00 mg kg-1), BUP (10.00 mg kg-1), and BUP+METH groups and treated for five days. On the final day of treatment, gene expression levels and anxiety were evaluated using elevated plus-maze (EPM). According to the results, five days of METH injection reduced open arm exploration in the EPM. In contrast, the open arm entries and the time spent in the open arms were increased in the BUP+METH group compared to the METH group. The expression levels of Gfap and Nrf2 were lower in METH-treated rats compared to controls, whereas Gfap and Nrf2 expression levels were higher in the METH+BUP-treated rats compared to the METH-treated rats, however, it was similar to the controls. These findings suggested that co-administration of BUP+METH could decrease anxiety-like behavior through increasing the activity of the antioxidant protection system and might have therapeutic potential for preventing anxiety in METH users.
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Affiliation(s)
- Akram Kholghi
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Homeira Hatami
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Nazli Khajehnasiri
- Department of Biological Sciences, Faculty of Basic Sciences, Higher Education Institute of Rab-Rashid, Tabriz, Iran
| | - Reihaneh Sadeghian
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Potential Effects of Nrf2 in Exercise Intervention of Neurotoxicity Caused by Methamphetamine Oxidative Stress. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:4445734. [PMID: 35480870 PMCID: PMC9038420 DOI: 10.1155/2022/4445734] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 04/01/2022] [Indexed: 12/15/2022]
Abstract
Methamphetamine can cause oxidative stress-centered lipid peroxidation, endoplasmic reticulum stress, mitochondrial dysfunction, excitatory neurotoxicity, and neuroinflammation and ultimately lead to nerve cell apoptosis, abnormal glial cell activation, and dysfunction of blood-brain barrier. Protecting nerve cells from oxidative destroy is a hopeful strategy for treating METH use disorder. Nrf2 is a major transcriptional regulator that activates the antioxidant, anti-inflammatory, and cell-protective gene expression through endogenous pathways that maintains cell REDOX homeostasis and is conducive to the survival of neurons. The Nrf2-mediated endogenous antioxidant pathway can also prevent neurodegenerative effects and functional defects caused by METH oxidative stress. Moderate exercise activates this endogenous antioxidant system, which involves in many diseases, including neurodegenerative diseases. Based on evidence from existing literature, we argue that appropriate exercise can play an endogenous antioxidant regulatory role in the Nrf2 signaling pathway to reduce a number of issues caused by METH-induced oxidative stress. However, more experimental evidence is needed to support this idea. In addition, further exploration is necessary about the different effects of various parameters of exercise intervention (such as exercise mode, time, and intensity) on the Nrf2 signaling pathway intervention. Whether there are synergistic effects between exercise and plant-derived Nrf2 activators is worth further investigation.
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Yesuf EA, Grill E, Fröschl G, Koller D, Haile-Mariam D. Administrators, health service providers, and consumers perspectives of functions of district health-care systems in Oromia region, Ethiopia: A qualitative study. Int J Health Plann Manage 2019; 34:836-850. [PMID: 30729577 DOI: 10.1002/hpm.2742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 01/07/2019] [Indexed: 11/08/2022] Open
Abstract
The practice of functions of district health-care systems in Ethiopia is not clear. The aim of this study was to investigate the perspectives of administrators, health service providers, and health-care consumers regarding functions of district health-care systems as currently practiced. Grounded theory approach was applied using interviews and desk review of documents. This study was set up in Oromia National Regional State, Ethiopia. Inductive analysis of interviews was done. Interviews and document reviews were mirrored. Eleven functions of district health-care systems emerged in this study organized by level with relationships and commonality of few activities. The 11 functions of district health-care systems were creating capacity of health centers and health professionals for the provision of health care; creating access for the provision of health care; ensuring equitable access to health care; regulation of private health-care providers; disaster preparedness; monitoring risk factors and diseases in the district; provision of health promotive, preventive, and curative health care for communicable diseases and maternal health conditions; monitoring intermediate outcomes of care; developing capacity of health post and villagers toward demand creation for health care; provision of maternal and child health services; and helping health posts in reaching mothers and sick individuals.
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Affiliation(s)
- Elias Ali Yesuf
- CIHLMU Center for International Health, Ludwig-Maximilians-Universität, Munich, Germany.,Department of Health Policy and Management, Jimma University, Jimma, Ethiopia
| | - Eva Grill
- Institute for Medical Data Processing, Biometry and Epidemiology, Ludwig-Maximilians Universität, Munich, Germany
| | - Günter Fröschl
- CIHLMU Center for International Health, Ludwig-Maximilians-Universität, Munich, Germany.,Division of Infectious Diseases and Tropical Medicine, Medical Centre of Ludwig-Maximilians Universität, Munich, Germany
| | - Daniela Koller
- Institute for Medical Data Processing, Biometry and Epidemiology, Ludwig-Maximilians Universität, Munich, Germany
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den Hollander B, Sundström M, Pelander A, Ojanperä I, Mervaala E, Korpi ER, Kankuri E. Keto amphetamine toxicity-focus on the redox reactivity of the cathinone designer drug mephedrone. Toxicol Sci 2014; 141:120-31. [PMID: 24913801 PMCID: PMC4833100 DOI: 10.1093/toxsci/kfu108] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Accepted: 05/27/2014] [Indexed: 12/26/2022] Open
Abstract
The β-keto amphetamine (cathinone, β-KA) designer drugs such as mephedrone (4-methylmethcathinone, 4-MMC) show a large degree of structural similarity to amphetamines like methamphetamine (METH). However, little is currently known about whether these substances also share the potential neurotoxic properties of their non-keto amphetamine counterparts, or what mechanisms could be involved. Here, we evaluate the cytotoxicity of β-KAs in SH-SY5Y cells using lactate dehydrogenase (LDH) assays, assess the redox potential of a range of β-KAs and non-keto amphetamines using the sensitive redox indicator 2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-(2,4-disulfophenyl)-2H-tetrazolium (WST-1), and explore the effect of 4-MMC on the formation of protein adducts using ultra-high performance liquid chromatography/high-resolution time-of-flight mass spectrometry (UHPLC-HR-TOFMS) and on the mitochondrial respiratory chain using high-resolution respirometry. We show that treatment with β-KAs increases LDH release. Further, we demonstrate that even under physiological pH, β-KAs are effective and selective-as compared with their non-keto analogues-reductants in the presence of electron acceptors. Increased pH (range 7.6-8.0) greatly enhanced the reactivity up to sixfold. We found no evidence of protein adduct formation, suggesting the reactivity is due to direct electron transfer by the β-KAs. Finally, we show that 4-MMC and METH produce dissimilar effects on the respiratory chain. Our results indicate that β-KAs such as 4-MMC possess cytotoxic properties in vitro. Furthermore, in the presence of an electron-accepting redox partner, the ketone moiety of β-KAs is vital for pH-dependent redox reactivity. Further work is needed to establish the importance of β-KA redox properties and its potential toxicological importance in vivo.
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Affiliation(s)
- Bjørnar den Hollander
- Institute of Biomedicine, Pharmacology, Biomedicum Helsinki, Haartmaninkatu 8, FI-00014 University of Helsinki, Finland
| | - Mira Sundström
- Hjelt Institute, Department of Forensic Medicine, Kytösuontie 11, FI-00014 University of Helsinki, Finland
| | - Anna Pelander
- Hjelt Institute, Department of Forensic Medicine, Kytösuontie 11, FI-00014 University of Helsinki, Finland
| | - Ilkka Ojanperä
- Hjelt Institute, Department of Forensic Medicine, Kytösuontie 11, FI-00014 University of Helsinki, Finland
| | - Eero Mervaala
- Institute of Biomedicine, Pharmacology, Biomedicum Helsinki, Haartmaninkatu 8, FI-00014 University of Helsinki, Finland
| | - Esa Risto Korpi
- Institute of Biomedicine, Pharmacology, Biomedicum Helsinki, Haartmaninkatu 8, FI-00014 University of Helsinki, Finland
| | - Esko Kankuri
- Institute of Biomedicine, Pharmacology, Biomedicum Helsinki, Haartmaninkatu 8, FI-00014 University of Helsinki, Finland
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