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Ibarra-Gutiérrez MT, Serrano-García N, Orozco-Ibarra M. Rotenone-Induced Model of Parkinson's Disease: Beyond Mitochondrial Complex I Inhibition. Mol Neurobiol 2023; 60:1929-1948. [PMID: 36593435 DOI: 10.1007/s12035-022-03193-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 12/23/2022] [Indexed: 01/04/2023]
Abstract
Parkinson's disease (PD) is usually diagnosed through motor symptoms that make the patient incapable of carrying out daily activities; however, numerous non-motor symptoms include olfactory disturbances, constipation, depression, excessive daytime sleepiness, and rapid eye movement at sleep; they begin years before motor symptoms. Therefore, several experimental models have been studied to reproduce several PD functional and neurochemical characteristics; however, no model mimics all the PD motor and non-motor symptoms to date, which becomes a limitation for PD study. It has become increasingly relevant to find ways to study the disease from its slowly progressive nature. The experimental models most frequently used to reproduce PD are based on administering toxic chemical compounds, which aim to imitate dopamine deficiency. The most used toxic compounds to model PD have been 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and 6-hydroxydopamine (6-OHDA), which inhibit the complex I of the electron transport chain but have some limitations. Another toxic compound that has drawn attention recently is rotenone, the classical inhibitor of mitochondrial complex I. Rotenone triggers the progressive death of dopaminergic neurons and α-synuclein inclusions formation in rats; also, rotenone induces microtubule destabilization. This review presents information about the experimental model of PD induced by rotenone, emphasizing its molecular characteristics beyond the inhibition of mitochondrial complex I.
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Affiliation(s)
- María Teresa Ibarra-Gutiérrez
- Laboratorio de Neurobiología Molecular y Celular, Instituto Nacional de Neurología y Neurocirugía, Av. Insurgentes Sur No. 3877 Col. La Fama, Tlalpan, C.P. 14269, Ciudad de Mexico, Mexico
| | - Norma Serrano-García
- Laboratorio de Neurobiología Molecular y Celular, Instituto Nacional de Neurología y Neurocirugía, Av. Insurgentes Sur No. 3877 Col. La Fama, Tlalpan, C.P. 14269, Ciudad de Mexico, Mexico
| | - Marisol Orozco-Ibarra
- Laboratorio de Neurobiología Molecular y Celular, Instituto Nacional de Neurología y Neurocirugía, Av. Insurgentes Sur No. 3877 Col. La Fama, Tlalpan, C.P. 14269, Ciudad de Mexico, Mexico.
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Terron A, Bal-Price A, Paini A, Monnet-Tschudi F, Bennekou SH, Leist M, Schildknecht S. An adverse outcome pathway for parkinsonian motor deficits associated with mitochondrial complex I inhibition. Arch Toxicol 2018; 92:41-82. [PMID: 29209747 PMCID: PMC5773657 DOI: 10.1007/s00204-017-2133-4] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 11/22/2017] [Indexed: 12/21/2022]
Abstract
Epidemiological studies have observed an association between pesticide exposure and the development of Parkinson's disease, but have not established causality. The concept of an adverse outcome pathway (AOP) has been developed as a framework for the organization of available information linking the modulation of a molecular target [molecular initiating event (MIE)], via a sequence of essential biological key events (KEs), with an adverse outcome (AO). Here, we present an AOP covering the toxicological pathways that link the binding of an inhibitor to mitochondrial complex I (i.e., the MIE) with the onset of parkinsonian motor deficits (i.e., the AO). This AOP was developed according to the Organisation for Economic Co-operation and Development guidelines and uploaded to the AOP database. The KEs linking complex I inhibition to parkinsonian motor deficits are mitochondrial dysfunction, impaired proteostasis, neuroinflammation, and the degeneration of dopaminergic neurons of the substantia nigra. These KEs, by convention, were linearly organized. However, there was also evidence of additional feed-forward connections and shortcuts between the KEs, possibly depending on the intensity of the insult and the model system applied. The present AOP demonstrates mechanistic plausibility for epidemiological observations on a relationship between pesticide exposure and an elevated risk for Parkinson's disease development.
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Affiliation(s)
| | | | - Alicia Paini
- European Commission Joint Research Centre, Ispra, Italy
| | | | | | - Marcel Leist
- In Vitro Toxicology and Biomedicine, Department of Biology, University of Konstanz, Universitätsstr. 10, PO Box M657, 78457, Konstanz, Germany
| | - Stefan Schildknecht
- In Vitro Toxicology and Biomedicine, Department of Biology, University of Konstanz, Universitätsstr. 10, PO Box M657, 78457, Konstanz, Germany.
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Neuroprotective Effects of Germinated Brown Rice in Rotenone-Induced Parkinson's-Like Disease Rats. Neuromolecular Med 2016; 18:334-46. [PMID: 27430236 DOI: 10.1007/s12017-016-8427-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 07/08/2016] [Indexed: 12/21/2022]
Abstract
The effects of germinated brown rice (GBR) on the motor deficits and the dopaminergic (DA) cell death were investigated in Parkinson's-like disease (PD) rats. Reactive oxidative species generated by chronic subcutaneous injection of rotenone (RT) lead to neuronal apoptosis particularly in the nigrostriatal DA system and produce many features of PD, bradykinesis, postural instability and rigidity. In this study, 4-phenylbutyric acid (4-PBA), previously reported to inhibit RT-induced DA cell death, was used as the positive control. Results show that pretreatment with GBR as well as 4-PBA significantly enhanced the motor activity after RT injection, and GBR affected significantly in open field test, only in the ambulation but not the mobility duration, and ameliorated the time to orient down (t-turn) and total time to descend the pole (t-total) in pole test as compared to RT group, but significantly lowered both t-turn and t-total only in 4-PBA group. The percentage of apoptotic cells in brain measured by flow cytometry and the inflammatory effect measured by ELISA of TNF-α showed significant increase in RT group as compared to the control (CT) group at P < 0.05. Apoptotic cells in RT group (85.98 %) showed a significant (P < 0.05) increase versus CT group (17.50 %), and this effect was attenuated in GBR+RT group by decreasing apoptotic cells (79.32 %), whereas, increased viable cells (17.94 %) versus RT group (10.79 %). GBR in GBR + RT group could decrease TNF-α both in the serum and in brain. In summary, GBR showed a neuroprotective effect in RT-induced PD rats, and it may be useful as a value-added functional food to prevent neurodegenerative disease or PD.
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Jeitner TM, Kalogiannis M, Krasnikov BF, Gomolin I, Peltier MR, Moran GR. Linking Inflammation and Parkinson Disease: Hypochlorous Acid Generates Parkinsonian Poisons. Toxicol Sci 2016; 151:388-402. [PMID: 27026709 DOI: 10.1093/toxsci/kfw052] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Inflammation is a common feature of Parkinson Disease and other neurodegenerative disorders. Hypochlorous acid (HOCl) is a reactive oxygen species formed by neutrophils and other myeloperoxidase-containing cells during inflammation. HOCl chlorinates the amine and catechol moieties of dopamine to produce chlorinated derivatives collectively termed chlorodopamine. Here, we report that chlorodopamine is toxic to dopaminergic neurons both in vivo and in vitro Intrastriatal administration of 90 nmol chlorodopamine to mice resulted in loss of dopaminergic neurons from the substantia nigra and decreased ambulation-results that were comparable to those produced by the same dose of the parkinsonian poison, 1-methyl-4-phenylpyridinium (MPP+). Chlorodopamine was also more toxic to differentiated SH SY5Y cells than HOCl. The basis of this selective toxicity is likely mediated by chlorodopamine uptake through the dopamine transporter, as expression of this transporter in COS-7 cells conferred sensitivity to chlorodopamine toxicity. Pharmacological blockade of the dopamine transporter also mitigated the deleterious effects of chlorodopamine in vivo The cellular actions of chlorodopamine included inactivation of the α-ketoglutarate dehydrogenase complex, as well as inhibition of mitochondrial respiration. The latter effect is consistent with inhibition of cytochrome c oxidase. Illumination at 670 nm, which stimulates cytochrome c oxidase, reversed the effects of chlorodopamine. The observed changes in mitochondrial biochemistry were also accompanied by the swelling of these organelles. Overall, our findings suggest that chlorination of dopamine by HOCl generates toxins that selectively kill dopaminergic neurons in the substantia nigra in a manner comparable to MPP+.
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Affiliation(s)
- Thomas M Jeitner
- *Department of Biochemistry and Molecular Biology, New York Medical College, Basic Science, Valhalla, NY 10595; Department of Biomedical Research
| | | | | | - Irving Gomolin
- Department of Geriatrics, Winthrop University Hospital, Mineola, NY 11501
| | | | - Graham R Moran
- Department of Chemistry and Biochemistry, University of Wisconsin - Milwaukee, Milwaukee, WI 53211
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Rotenone and paraquat perturb dopamine metabolism: A computational analysis of pesticide toxicity. Toxicology 2013; 315:92-101. [PMID: 24269752 DOI: 10.1016/j.tox.2013.11.003] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Revised: 10/18/2013] [Accepted: 11/11/2013] [Indexed: 12/21/2022]
Abstract
Pesticides, such as rotenone and paraquat, are suspected in the pathogenesis of Parkinson's disease (PD), whose hallmark is the progressive loss of dopaminergic neurons in the substantia nigra pars compacta. Thus, compounds expected to play a role in the pathogenesis of PD will likely impact the function of dopaminergic neurons. To explore the relationship between pesticide exposure and dopaminergic toxicity, we developed a custom-tailored mathematical model of dopamine metabolism and utilized it to infer potential mechanisms underlying the toxicity of rotenone and paraquat, asking how these pesticides perturb specific processes. We performed two types of analyses, which are conceptually different and complement each other. The first analysis, a purely algebraic reverse engineering approach, analytically and deterministically computes the altered profile of enzyme activities that characterize the effects of a pesticide. The second method consists of large-scale Monte Carlo simulations that statistically reveal possible mechanisms of pesticides. The results from the reverse engineering approach show that rotenone and paraquat exposures lead to distinctly different flux perturbations. Rotenone seems to affect all fluxes associated with dopamine compartmentalization, whereas paraquat exposure perturbs fluxes associated with dopamine and its breakdown metabolites. The statistical results of the Monte-Carlo analysis suggest several specific mechanisms. The findings are interesting, because no a priori assumptions are made regarding specific pesticide actions, and all parameters characterizing the processes in the dopamine model are treated in an unbiased manner. Our results show how approaches from computational systems biology can help identify mechanisms underlying the toxicity of pesticide exposure.
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Settivari R, VanDuyn N, LeVora J, Nass R. The Nrf2/SKN-1-dependent glutathione S-transferase π homologue GST-1 inhibits dopamine neuron degeneration in a Caenorhabditis elegans model of manganism. Neurotoxicology 2013; 38:51-60. [PMID: 23721876 DOI: 10.1016/j.neuro.2013.05.014] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Revised: 05/11/2013] [Accepted: 05/20/2013] [Indexed: 12/30/2022]
Abstract
Exposure to high levels of manganese (Mn) results in a neurological condition termed manganism, which is characterized by oxidative stress, abnormal dopamine (DA) signaling, and cell death. Epidemiological evidence suggests correlations with occupational exposure to Mn and the development of the movement disorder Parkinson's disease (PD), yet the molecular determinants common between the diseases are ill-defined. Glutathione S-transferases (GSTs) of the class pi (GSTπ) are phase II detoxification enzymes that conjugate both endogenous and exogenous compounds to glutathione to reduce cellular oxidative stress, and their decreased expression has recently been implicated in PD progression. In this study we demonstrate that a Caenorhabditis elegans GSTπ homologue, GST-1, inhibits Mn-induced DA neuron degeneration. We show that GST-1 is expressed in DA neurons, Mn induces GST-1 gene and protein expression, and GST-1-mediated neuroprotection is dependent on the PD-associated transcription factor Nrf2/SKN-1, as a reduction in SKN-1 gene expression results in a decrease in GST-1 protein expression and an increase in DA neuronal death. Furthermore, decreases in gene expression of the SKN-1 inhibitor WDR-23 or the GSTπ-binding cell death activator JNK/JNK-1 result in an increase in resistance to the metal. Finally, we show that the Mn-induced DA neuron degeneration is independent of the dopamine transporter DAT, but is largely dependent on the caspases CED-3 and the novel caspase CSP-1. This study identifies a C. elegans Nrf2/SKN-1-dependent GSTπ homologue, cell death effectors of GSTπ-associated xenobiotic-induced pathology, and provides the first in vivo evidence that a phase II detoxification enzyme may modulate DA neuron vulnerability in manganism.
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Affiliation(s)
- Raja Settivari
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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Lupescu A, Jilani K, Zbidah M, Lang F. Induction of apoptotic erythrocyte death by rotenone. Toxicology 2012; 300:132-7. [PMID: 22727881 DOI: 10.1016/j.tox.2012.06.007] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Revised: 06/13/2012] [Accepted: 06/13/2012] [Indexed: 12/21/2022]
Abstract
The pesticide rotenone stimulates apoptosis and rotenone intoxication has been considered a cause of Parkinson's disease. Rotenone further sensitizes tumor cells to cytotoxic drugs. The apoptotic effect of rotenone is at least partially due to mitochondrial injury. Even though lacking mitochondria and nuclei, erythrocytes may undergo eryptosis, an apoptosis-like suicidal death characterized by cell shrinkage and cell membrane scrambling with phosphatidylserine-exposure at the cell surface. Triggers of eryptosis include increase of cytosolic Ca(2+)-activity ([Ca(2+)](i)) and enhanced ceramide formation. The present study explored, whether rotenone elicits eryptosis. To this end, [Ca(2+)](i) was estimated utilizing Fluo3-fluorescence, cell volume from forward scatter, phosphatidylserine-exposure from annexin-V-binding, ceramide utilizing fluorescence antibodies and hemolysis from hemoglobin release. A 48 h exposure to rotenone significantly increased Fluo3-fluorescence(i) (≥1 μM), increased ceramide abundance (10 μM), decreased forward scatter (≥2.5 μM) and increased annexin-V-binding (≥ 1 μM). Rotenone exposure was further followed by slight but significant hemolysis. Rotenone-induced cell membrane scrambling was significantly blunted, but not completely abrogated by removal of extracellular Ca(2+). The present observations disclose a novel effect of rotenone, i.e. triggering of erythrocyte shrinkage and cell membrane scrambling, an effect paralleled by and partially dependent on Ca(2+)-entry.
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Affiliation(s)
- Adrian Lupescu
- Department of Physiology, University of Tuebingen, Gmelinstrasse 5, 72076 Tuebingen, Germany.
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Paris I, Segura-Aguilar J. The role of metal ions in dopaminergic neuron degeneration in Parkinsonism and Parkinson’s disease. MONATSHEFTE FUR CHEMIE 2011. [DOI: 10.1007/s00706-011-0478-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Segura-Aguilar J. Catecholaminergic Cell Lines for the Study of Dopamine Metabolism and Neurotoxicity. NEUROMETHODS 2011. [DOI: 10.1007/978-1-61779-077-5_19] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Effect of microglia activation on dopaminergic neuronal injury induced by manganese, and its possible mechanism. Neurotox Res 2009; 16:42-9. [PMID: 19526297 DOI: 10.1007/s12640-009-9045-x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2008] [Revised: 12/08/2008] [Accepted: 12/08/2008] [Indexed: 10/20/2022]
Abstract
Manganese (Mn) is an essential trace element. It is known to have various functions, such as participating in enzymatic synthesis, and promoting hematopoiesis. On the other hand, it can cause toxic injury upon excess intake. However, toxic effects and its mechanism on glial cells are unclear. In the present study, we demonstrated that MnCl(2) can activate microglia, and that this can cause dopaminergic neuronal injury. Investigation of the underlying mechanisms showed that inducible nitric oxide synthase (iNOS), tumor necrosis factor-alpha (TNF-alpha), interleukin-1beta (IL-1beta) was induced and highly expressed following Mn treatment. Moreover, pretreatment with S-methylisothiourea (SMT. iNOS inhibitor), Mn-induced iNOS expression and dopaminergic neuronal injury were partly reverse. Pretreatment with minocycline (microglia activation inhibitor), Mn-induced activation of microglia and dopaminergic neuronal injury was partly reverse. Taken together, our results showed that Mn can cause microglia activation, which can up-regulate the level of IL-1beta, TNF-alpha and iNOS, and these inflammatory factors can cause dopaminergic neuronal injury. SMT and minocycline prevent Mn-induced dopaminergic neuronal injury.
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Nam J, Kim K. Abnormal Motor Function and the Expression of Striatal Dopamine D2 Receptors in Manganese-Treated Mice. Biol Pharm Bull 2008; 31:1894-7. [DOI: 10.1248/bpb.31.1894] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Jungmin Nam
- Department of Public Health, Keimyung University
| | - Kisok Kim
- Department of Public Health, Keimyung University
- TMR Center, Keimyung University
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