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Mitroshina EV, Mishchenko TA, Loginova MM, Tarabykin VS, Vedunova MV. Identification of Kinome Representatives with Neuroprotective Activity. NEUROCHEM J+ 2020. [DOI: 10.1134/s1819712420040133] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Hirata Y, Kuwabara K, Takashima M, Murai T. Hormetic Effects of Binaphthyl Phosphonothioates as Pro-oxidants and Antioxidants. Chem Res Toxicol 2020; 33:2892-2902. [PMID: 33118805 DOI: 10.1021/acs.chemrestox.0c00345] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Organophosphorous compounds with such a wide variety in structure, application, and biochemical activities include pesticides, herbicides, nerve agents, medicines, reagents in organic chemistry, and additives for polymers. Binaphthyl phosphono-, phosphorothioates, and their derivatives, are useful chiral catalysts for various asymmetric reactions and are expected to act as heavy metal scavengers. In this study, we aimed to evaluate the neurotoxicity and biochemical properties of a new series of binaphthyl phosphonothioates called KK compounds using the mouse hippocampal HT22 cells. Despite negligible structural difference, the compounds exhibited differential general cytotoxic activity which was independent of acetylcholine esterase inhibition; on the other hand, all compounds tested prevented endogenous oxidative stress by suppressing generation of reactive oxygen species. Among them, KK397, KK387, KK410, and KK421 showed hormesis, i.e., biphasic dose responses to endogenous oxidative stress, characterized by beneficial effect at low dose and toxic effect at high dose. At cytotoxic concentrations, these compounds were potent radical generators and activated intracellular signaling molecules such as the p38 mitogen-activated protein kinase, c-Jun NH2-terminal kinase, growth arrest- and DNA damage-inducible gene 153, X-box binding protein 1, and heme oxygenase 1, which are preferentially activated by cell stress-inducing signals, including oxidative and endoplasmic reticulum stress. These findings indicated that novel binaphthyl phosphonothioates can exhibit multiple biochemical properties, functioning as antioxidants and/or pro-oxidants, depending on the concentration, and chemical modification of binaphthyl organophosphorus compounds endowed them with unique characteristics and multiple beneficial functions.
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Affiliation(s)
- Yoko Hirata
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Gifu 501-1193, Japan.,United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Gifu 501-1193, Japan
| | - Kazuma Kuwabara
- Graduate School of Engineering, Gifu University, Gifu 501-1193, Japan
| | - Madoka Takashima
- United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Gifu 501-1193, Japan.,NAGARAGAWA Research Center, API Co., Ltd., Gifu 502-0071, Japan
| | - Toshiaki Murai
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Gifu 501-1193, Japan.,Graduate School of Engineering, Gifu University, Gifu 501-1193, Japan
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Burstein SH. The chemistry, biology and pharmacology of the cyclopentenone prostaglandins. Prostaglandins Other Lipid Mediat 2020; 148:106408. [PMID: 31931079 DOI: 10.1016/j.prostaglandins.2020.106408] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 12/27/2019] [Accepted: 01/06/2020] [Indexed: 12/31/2022]
Abstract
The cyclopentenone prostaglandins (CyPGs) are a small group compounds that are a subset of the eicosanoid superfamily, which are metabolites of arachidonic acid as well as other polyunsaturated fatty acids. The CyPGs are defined by a structural feature, namely, a five-membered carbocyclic ring containing an alfa-beta unsaturated keto group. The two most studied members are PGA2 and 15d-PGJ2 (15-deoxy-Δ12,14-prostaglandin J2); other less studied members are PGA1, Δ12-PGJ2, and PGJ2. They are involved in a number of biological activities including the ability to resolve chronic inflammation and the growth and survival of cells, particularly those of cancerous or neurological origin. Also, they can activate the prostaglandin DP2 receptor as well as the ligand-dependent transcription factor PPAR-gamma. Their ability to promote the resolution of chronic inflammation makes it of particular interest to have a good understanding of their actions. Since their discovery, the literature on the CyPGs has greatly expanded both in size and in scope; these reports are covered in the current review.
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Affiliation(s)
- Sumner H Burstein
- Department of Biochemistry & Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA, 01605, United States.
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Hirata Y, Ito Y, Takashima M, Yagyu K, Oh-hashi K, Suzuki H, Ono K, Furuta K, Sawada M. Novel Oxindole-Curcumin Hybrid Compound for Antioxidative Stress and Neuroprotection. ACS Chem Neurosci 2020; 11:76-85. [PMID: 31799835 DOI: 10.1021/acschemneuro.9b00619] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Oxidative stress plays an important role in the pathogenesis of Parkinson's disease and other neurodegenerative disorders. The oxindole compound GIF-2165X-G1 is a hybrid molecule composed of the oxindole skeleton of the neuroprotective compound GIF-0726-r and the polyphenolic skeleton of the antioxidant curcumin. We previously reported that novel oxindole derivatives such as GIF-0726-r and GIF-2165X-G1 prevent endogenous oxidative stress-induced cell death in mouse hippocampal HT22 cells. In this study, we present a detailed investigation of the effect of GIF-2165X-G1 on endogenous oxidative stress in HT22 cells in comparison with GIF-0726-r and curcumin. GIF-2165X-G1 exhibited more potent neuroprotective activity than GIF-0726-r or curcumin and had less cytotoxicity than that observed with curcumin. Both GIF-0726-r and GIF-2165X-G1 were found to have ferrous ion chelating activity similar to that exhibited by curcumin. GIF-2165 X-G1 and curcumin induced comparable antioxidant response element transcriptional activity. Although the induction of heme oxygenase-1, an antioxidant response element-regulated gene product, was much stronger in curcumin-treated cells than in GIF-2165X-G1-treated cells, it turned out that the induction of heme oxygenase-1 is dispensable for neuroprotection. These results demonstrate that the introduction of the polyphenol skeleton of curcumin to the oxindole GIF-0726-r improves neuroprotective features. Furthermore, intrastriatal injection of GIF-2165X-G1 alleviated apomorphine-induced rotation and prevented dopaminergic neuronal loss in a 6-hydroxydopamine mouse model of Parkinson's diseases. Collectively, our novel findings indicate that the novel oxindole compound GIF-2165X-G1 serves to delay the progression of Parkinson's disease by suppressing oxidative stress.
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Takashima M, Ichihara K, Hirata Y. Neuroprotective effects of Brazilian green propolis on oxytosis/ferroptosis in mouse hippocampal HT22 cells. Food Chem Toxicol 2019; 132:110669. [PMID: 31299294 DOI: 10.1016/j.fct.2019.110669] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 06/27/2019] [Accepted: 07/09/2019] [Indexed: 02/05/2023]
Abstract
Propolis is a sticky dark-colored substance produced by honey bees and comprises resin, balsam, wax, essential and aromatic oils, pollen, and several other substances; it is used in food and beverages to improve health and prevent diseases. We studied the neuroprotective effects of extracts of Brazilian green propolis in the mouse hippocampal cell line HT22. Ethanol extracts of Brazilian green propolis had a more potent preventive effect on oxidative stress-induced cell death, oxytosis/ferroptosis, in HT22 cells than water extracts of Brazilian green propolis, whereas it did not protect against anticancer drug-induced apoptotic cell death. Among the primary constituents of ethanol extracts of Brazilian green propolis, only artepillin C, kaempferide, and kaempferol demonstrated neuroprotective effects against oxytosis/ferroptosis. The flavonoid derivatives kaempferide and kaempferol are antioxidants with radical-scavenging abilities that additionally induce antioxidant response element-mediated transcriptional activity, suggesting that upregulation of endogenous antioxidant defense protects against oxidative stress. In contrast, artepillin C attenuated reactive oxygen species production; however, it did not induce antioxidant response element activation. These findings indicate that the ethanol extracts of Brazilian green propolis help to prevent oxidative stress-related neuronal cell death that is involved in the pathogenesis of several neurodegenerative diseases.
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Affiliation(s)
- Madoka Takashima
- United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Gifu, Japan; NAGARAGAWA Research Center, API Co., Ltd, Gifu, Japan.
| | | | - Yoko Hirata
- United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Gifu, Japan; Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Gifu, Japan.
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Hirata Y, Iwasaki T, Makimura Y, Okajima S, Oh-Hashi K, Takemori H. Inhibition of double-stranded RNA-dependent protein kinase prevents oxytosis and ferroptosis in mouse hippocampal HT22 cells. Toxicology 2019; 418:1-10. [PMID: 30817950 DOI: 10.1016/j.tox.2019.02.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 01/26/2019] [Accepted: 02/22/2019] [Indexed: 01/20/2023]
Abstract
Double-stranded RNA-dependent protein kinase (PKR) is a component of signal transduction pathways mediating various stress signals including oxidative stress and endoplasmic reticulum (ER) stress and is suggested to be implicated in several neurodegenerative diseases. Cell death in neurodegenerative conditions has been linked to oxidative stress; however, the involvement of PKR in endogenous oxidative stress such as oxytosis and ferroptosis which is quite distinct from classical apoptosis remains unknown. We investigated here the effect of a PKR inhibitor C16 (an imidazole-oxindole derivative) on oxytosis and ferroptosis in cultured HT22 mouse hippocampal cells. C16 prevented glutamate- and erastin-induced cell death, reactive oxygen species accumulation, Ca2+ influx, phosphorylation of inositol-requiring enzyme 1 (IRE1), one of the three branches of ER stress signaling and its downstream signaling components. On the other hand, C16 did not prevent oxidative stress-induced heme oxygenase-1 expression; instead, C16 activated the extracellular signal-regulated kinase pathway. The protective effect of C16 is diminished in PKR knockout HT22 cells. Real time measurements of the oxygen consumption rate and extracellular acidification rate over a long period of time leading to cell death showed that C16 partially prevented erastin-induced mitochondrial and glycolytic dysfunction. These results suggest that PKR is an important component of oxytosis and ferroptosis and the inhibition of PKR is neuroprotective against endogenous oxidative stress-induced cell death and provide an effective strategy for neuroprotection.
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Affiliation(s)
- Yoko Hirata
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193, Japan; United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Yanagido, Gifu 501-1193, Japan.
| | - Takuya Iwasaki
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193, Japan
| | - Yukimi Makimura
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193, Japan
| | - Sayaka Okajima
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193, Japan
| | - Kentaro Oh-Hashi
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193, Japan; United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Yanagido, Gifu 501-1193, Japan
| | - Hiroshi Takemori
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, Yanagido, Gifu 501-1193, Japan; United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Yanagido, Gifu 501-1193, Japan.
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Jakaria M, Park SY, Haque ME, Karthivashan G, Kim IS, Ganesan P, Choi DK. Neurotoxic Agent-Induced Injury in Neurodegenerative Disease Model: Focus on Involvement of Glutamate Receptors. Front Mol Neurosci 2018; 11:307. [PMID: 30210294 PMCID: PMC6123546 DOI: 10.3389/fnmol.2018.00307] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 08/13/2018] [Indexed: 12/13/2022] Open
Abstract
Glutamate receptors play a crucial role in the central nervous system and are implicated in different brain disorders. They play a significant role in the pathogenesis of neurodegenerative diseases (NDDs) such as Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis. Although many studies on NDDs have been conducted, their exact pathophysiological characteristics are still not fully understood. In in vivo and in vitro models of neurotoxic-induced NDDs, neurotoxic agents are used to induce several neuronal injuries for the purpose of correlating them with the pathological characteristics of NDDs. Moreover, therapeutic drugs might be discovered based on the studies employing these models. In NDD models, different neurotoxic agents, namely, kainic acid, domoic acid, glutamate, β-N-Methylamino-L-alanine, amyloid beta, 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine, 1-methyl-4-phenylpyridinium, rotenone, 3-Nitropropionic acid and methamphetamine can potently impair both ionotropic and metabotropic glutamate receptors, leading to the progression of toxicity. Many other neurotoxic agents mainly affect the functions of ionotropic glutamate receptors. We discuss particular neurotoxic agents that can act upon glutamate receptors so as to effectively mimic NDDs. The correlation of neurotoxic agent-induced disease characteristics with glutamate receptors would aid the discovery and development of therapeutic drugs for NDDs.
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Affiliation(s)
- Md. Jakaria
- Department of Applied Life Sciences, Graduate School, Konkuk University, Chungju, South Korea
| | - Shin-Young Park
- Department of Applied Life Sciences, Graduate School, Konkuk University, Chungju, South Korea
| | - Md. Ezazul Haque
- Department of Applied Life Sciences, Graduate School, Konkuk University, Chungju, South Korea
| | - Govindarajan Karthivashan
- Department of Integrated Bioscience and Biotechnology, College of Biomedical and Health Sciences, Research Institute of Inflammatory Diseases (RID), Konkuk University, Chungju, South Korea
| | - In-Su Kim
- Department of Integrated Bioscience and Biotechnology, College of Biomedical and Health Sciences, Research Institute of Inflammatory Diseases (RID), Konkuk University, Chungju, South Korea
| | - Palanivel Ganesan
- Department of Integrated Bioscience and Biotechnology, College of Biomedical and Health Sciences, Research Institute of Inflammatory Diseases (RID), Konkuk University, Chungju, South Korea
- Nanotechnology Research Center, Konkuk University, Chungju, South Korea
| | - Dong-Kug Choi
- Department of Applied Life Sciences, Graduate School, Konkuk University, Chungju, South Korea
- Department of Integrated Bioscience and Biotechnology, College of Biomedical and Health Sciences, Research Institute of Inflammatory Diseases (RID), Konkuk University, Chungju, South Korea
- Nanotechnology Research Center, Konkuk University, Chungju, South Korea
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Lewerenz J, Ates G, Methner A, Conrad M, Maher P. Oxytosis/Ferroptosis-(Re-) Emerging Roles for Oxidative Stress-Dependent Non-apoptotic Cell Death in Diseases of the Central Nervous System. Front Neurosci 2018; 12:214. [PMID: 29731704 PMCID: PMC5920049 DOI: 10.3389/fnins.2018.00214] [Citation(s) in RCA: 187] [Impact Index Per Article: 31.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 03/19/2018] [Indexed: 12/12/2022] Open
Abstract
Although nerve cell death is the hallmark of many neurological diseases, the processes underlying this death are still poorly defined. However, there is a general consensus that neuronal cell death predominantly proceeds by regulated processes. Almost 30 years ago, a cell death pathway eventually named oxytosis was described in neuronal cells that involved glutathione depletion, reactive oxygen species production, lipoxygenase activation, and calcium influx. More recently, a cell death pathway that involved many of the same steps was described in tumor cells and termed ferroptosis due to a dependence on iron. Since then there has been a great deal of discussion in the literature about whether these are two distinct pathways or cell type- and insult-dependent variations on the same pathway. In this review, we compare and contrast in detail the commonalities and distinctions between the two pathways concluding that the molecular pathways involved in the regulation of ferroptosis and oxytosis are highly similar if not identical. Thus, we suggest that oxytosis and ferroptosis should be regarded as two names for the same cell death pathway. In addition, we describe the potential physiological relevance of oxytosis/ferroptosis in multiple neurological diseases.
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Affiliation(s)
- Jan Lewerenz
- Department of Neurology, Ulm University, Ulm, Germany
| | - Gamze Ates
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA, United States
| | - Axel Methner
- Department of Neurology, University Medical Center and Focus Program Translational Neuroscience of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Marcus Conrad
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Pamela Maher
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA, United States
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