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López-Sánchez C, Lagoa R, Poejo J, García-López V, García-Martínez V, Gutierrez-Merino C. An Update of Kaempferol Protection against Brain Damage Induced by Ischemia-Reperfusion and by 3-Nitropropionic Acid. Molecules 2024; 29:776. [PMID: 38398528 PMCID: PMC10893315 DOI: 10.3390/molecules29040776] [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: 12/19/2023] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024] Open
Abstract
Kaempferol, a flavonoid present in many food products, has chemical and cellular antioxidant properties that are beneficial for protection against the oxidative stress caused by reactive oxygen and nitrogen species. Kaempferol administration to model experimental animals can provide extensive protection against brain damage of the striatum and proximal cortical areas induced by transient brain cerebral ischemic stroke and by 3-nitropropionic acid. This article is an updated review of the molecular and cellular mechanisms of protection by kaempferol administration against brain damage induced by these insults, integrated with an overview of the contributions of the work performed in our laboratories during the past years. Kaempferol administration at doses that prevent neurological dysfunctions inhibit the critical molecular events that underlie the initial and delayed brain damage induced by ischemic stroke and by 3-nitropropionic acid. It is highlighted that the protection afforded by kaempferol against the initial mitochondrial dysfunction can largely account for its protection against the reported delayed spreading of brain damage, which can develop from many hours to several days. This allows us to conclude that kaempferol administration can be beneficial not only in preventive treatments, but also in post-insult therapeutic treatments.
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Affiliation(s)
- Carmen López-Sánchez
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain; (J.P.); (V.G.-L.); (V.G.-M.)
- Department of Human Anatomy and Embryology, Faculty of Medicine and Health Sciences, University of Extremadura, 06006 Badajoz, Spain
| | - Ricardo Lagoa
- School of Technology and Management, Polytechnic Institute of Leiria, Morro do Lena-Alto do Vieiro, 2411-901 Leiria, Portugal;
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Polytechnic Institute of Leiria, 2411-901 Leiria, Portugal
| | - Joana Poejo
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain; (J.P.); (V.G.-L.); (V.G.-M.)
| | - Virginio García-López
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain; (J.P.); (V.G.-L.); (V.G.-M.)
- Department of Medical and Surgical Therapeutics, Pharmacology Area, Faculty of Medicine and Health Sciences, University of Extremadura, 06006 Badajoz, Spain
| | - Virginio García-Martínez
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain; (J.P.); (V.G.-L.); (V.G.-M.)
- Department of Human Anatomy and Embryology, Faculty of Medicine and Health Sciences, University of Extremadura, 06006 Badajoz, Spain
| | - Carlos Gutierrez-Merino
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain; (J.P.); (V.G.-L.); (V.G.-M.)
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Chang H, Leem YH. The potential role of creatine supplementation in neurodegenerative diseases. Phys Act Nutr 2023; 27:48-54. [PMID: 38297476 PMCID: PMC10844727 DOI: 10.20463/pan.2023.0037] [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: 12/10/2023] [Revised: 12/25/2023] [Accepted: 12/29/2023] [Indexed: 02/02/2024] Open
Abstract
PURPOSE The maintenance of energy balance in the body, especially in energy-demanding tissues like the muscles and the central nervous system, depends on creatine (Cr). In addition to improving muscle function, Cr is necessary for the bioenergetics of the central nervous system because it replenishes adenosine triphosphate without needing oxygen. Furthermore, Cr possesses anti-oxidant, anti-apoptotic, and anti-excitotoxic properties. Clinical research on neurodegenerative illnesses has shown that Cr supplementation results in less effective outcomes. With a brief update on the possible role of Cr in human, animal, and in vitro experiments, this review seeks to offer insights into the ideal dosage regimen. METHODS Using specified search phrases, such as "creatine and neurological disorder," "creatine supplementation and neurodegenerative disorders," and "creatine and brain," we searched articles in the PubMed database and Google Scholar. We investigated the association between creatine supplementation and neurodegenerative illnesses by examining references. RESULTS The neuroprotective effects of Cr were observed in in vitro and animal models of certain neurodegenerative diseases, while clinical trials failed to reproduce favorable outcomes. CONCLUSION Determining the optimal creatinine regime for increasing brain creatinine levels is essential for maintaining brain health and treating neurodegeneration.
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Affiliation(s)
- Hyukki Chang
- Department of Sport and Exercise Science, Seoul Women’s University, Seoul, Republic of Korea
| | - Yea-Hyun Leem
- Department of Molecular Medicine and Tissue Injury Defense Research Center, Ewha Womans University, Seoul, Republic of Korea
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Darbinyan LV, Simonyan KV, Hambardzumyan LE, Manukyan LP, Badalyan SH, Sarkisian VH. Protective effect of curcumin against rotenone-induced substantia nigra pars compacta neuronal dysfunction. Metab Brain Dis 2022; 37:1111-1118. [PMID: 35239141 DOI: 10.1007/s11011-022-00941-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/21/2022] [Indexed: 01/07/2023]
Abstract
Rotenone is involved in the degeneration of dopaminergic neurons, and curcumin may prevent or effectively slow the progression of Parkinson's disease (PD). Previous research has shown that the naturally occurring phenolic compound curcumin can reduce inflammation and oxidation, making it a potential therapeutic agent for neurodegenerative diseases. The present study involves investigation of rotenone-induced histological changes in the brain area, hippocampus using Nissl staining after 35 day of subcutaneous injection of rotenone in adult male rats. We sought to determine whether curcumin could protect against rotenone-induced dopaminergic neurotoxicity in a rat model by in vivo electrical recording from Substantia nigra pars compacta (SNc). Curcumin treatment significantly improved electrical activity of neurons in the SNc of rotenone-induced PD model rats. The pattern of histological alterations corresponds with electrophysiological manifestations.
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Affiliation(s)
- L V Darbinyan
- Sensorimotor Integration Laboratory, Orbeli Institute of Physiology NAS RA, 0028, Yerevan, Armenia
| | - K V Simonyan
- Neuroendocrine Relationships Laboratory, Orbeli Institute of Physiology NAS RA, 0028, Yerevan, Armenia.
| | - L E Hambardzumyan
- Sensorimotor Integration Laboratory, Orbeli Institute of Physiology NAS RA, 0028, Yerevan, Armenia
| | - L P Manukyan
- Sensorimotor Integration Laboratory, Orbeli Institute of Physiology NAS RA, 0028, Yerevan, Armenia
| | - S H Badalyan
- Sensorimotor Integration Laboratory, Orbeli Institute of Physiology NAS RA, 0028, Yerevan, Armenia
| | - V H Sarkisian
- Sensorimotor Integration Laboratory, Orbeli Institute of Physiology NAS RA, 0028, Yerevan, Armenia
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Sheibani V, Rajizadeh MA, Bejeshk MA, Haghparast E, Nozari M, Esmaeili-Mahani S, Nezhadi A. The effects of neurosteroid allopregnanolone on synaptic dysfunction in the hippocampus in experimental parkinsonism rats: An electrophysiological and molecular study. Neuropeptides 2022; 92:102229. [PMID: 35158223 DOI: 10.1016/j.npep.2022.102229] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 01/18/2022] [Accepted: 02/03/2022] [Indexed: 02/07/2023]
Abstract
The dopaminergic system is a powerful candidate targeted for changes of synaptic plasticity in the hippocampus. Higher incidence of Parkinson's disease (PD) in men than women indicates the influence of sex hormones on the PD development. Previous studies have shown that neurodegenerative diseases such as PD are related to the decline of Allopregnanolon (Allo), a metabolite of progesterone; it is also well known that learning and memory are influenced by oscillations in steroidal hormones. Although abnormalities in hippocampal plasticity have been observed in the toxic models of PD, effects of Allo on hippocampal LTP and hippocampal synaptic protein levels, which play an important role in maintaining the integrity of neural connections, have never been analyzed thus far. Experimental groups subjected to the long-term potentiation (LTP) were studied in the CA1 area of the hippocampus. In addition, the levels of hippocampal postsynaptic density protein 95 (PSD-95), neurexin-1 (Nrxn1) and neuroligin (Nlgn) as synaptic molecular components were determined by immunoblotting. Although dopamine denervation did not alter basal synaptic transmission and pair-pulse facilitation of field excitatory postsynaptic potentials (fEPSPs), the induction and maintenance of LTP were impaired in the CA1 region. In addition, the levels of PSD-95, Nrxn1 and Nlgn were significantly decreased in the hippocampus of 6-OHDA-treated animals. Such abnormalities in synaptic electrophysiological aspects and protein levels were abolished by the treatment with Allo. These findings showed that partial dopamine depletion led to unusual synaptic plasticity in the CA1 as well as the decrease in synaptic proteins in the hippocampus. Our results demonstrated that Allo ameliorated these deficits and preserved pre- and post-synaptic proteins. Therefore, Allo may be an effective factor in maintaining synaptic integrity in the mesolimbic pathway.
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Affiliation(s)
- Vahid Sheibani
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Amin Rajizadeh
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran; Department of Physiology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Abbas Bejeshk
- Department of Physiology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Elham Haghparast
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran; Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Masoumeh Nozari
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran; Department of Physiology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Saeed Esmaeili-Mahani
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran; Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Akram Nezhadi
- Trauma Research Center, Aja University of Medical Sciences, Tehran, Iran.
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Lopez-Sanchez C, Garcia-Martinez V, Poejo J, Garcia-Lopez V, Salazar J, Gutierrez-Merino C. Early Reactive A1 Astrocytes Induction by the Neurotoxin 3-Nitropropionic Acid in Rat Brain. Int J Mol Sci 2020; 21:ijms21103609. [PMID: 32443829 PMCID: PMC7279211 DOI: 10.3390/ijms21103609] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/17/2020] [Accepted: 05/18/2020] [Indexed: 01/29/2023] Open
Abstract
3-Nitropropionic acid (NPA) administration to rodents produces degeneration of the striatum, accompanied by neurological disturbances that mimic Huntington’s disease (HD) motor neurological dysfunctions. It has been shown that inflammation mediates NPA-induced brain degeneration, and activated microglia secreting cytokines interleukin-1α (IL-1α) and tumor necrosis factor α (TNFα) can induce a specific type of reactive neurotoxic astrocytes, named A1, which have been detected in post-mortem brain samples of Huntington’s, Alzheimer’s, and Parkinson’s diseases. In this work we used an experimental model based on the intraperitoneal (i.p.) administration of NPA to adult Wistar rats at doses that can elicit extensive brain degeneration, and brain samples were taken before and after extensive brain damage monitored using 2,3,5-triphenyltetrazolium chloride (TTC) staining. Western blots and immunohistochemistry of brain slices show that i.p. NPA injections elicit significant increase in the expression levels of C3α subunit, a marker of generation of neurotoxic A1 astrocytes, and of cytokines IL-1α, TNFα, and C1q within the striatum, hippocampus, and cerebellum before the appearance of the HD-related neurological dysfunctions and neuronal death induced by NPA. Noteworthy, NPA administration primarily induces the generation of A1 astrocytes in the more recent phylogenetic area of the rat cerebellum. We conclude that the activation of complement C3 protein in the brain from Wistar rats is an early event in NPA-induced brain neurodegeneration.
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Affiliation(s)
- Carmen Lopez-Sanchez
- Instituto de Biomarcadores de Patologias Moleculares, Universidad de Extremadura, 06006 Badajoz, Spain; (V.G.-M.); (J.P.); (V.G.-L.); (J.S.); (C.G.-M.)
- Departamento de Anatomia y Embriologia Humana, Facultad de Medicina, Universidad de Extremadura, 06006 Badajoz, Spain
- Correspondence:
| | - Virginio Garcia-Martinez
- Instituto de Biomarcadores de Patologias Moleculares, Universidad de Extremadura, 06006 Badajoz, Spain; (V.G.-M.); (J.P.); (V.G.-L.); (J.S.); (C.G.-M.)
- Departamento de Anatomia y Embriologia Humana, Facultad de Medicina, Universidad de Extremadura, 06006 Badajoz, Spain
| | - Joana Poejo
- Instituto de Biomarcadores de Patologias Moleculares, Universidad de Extremadura, 06006 Badajoz, Spain; (V.G.-M.); (J.P.); (V.G.-L.); (J.S.); (C.G.-M.)
| | - Virginio Garcia-Lopez
- Instituto de Biomarcadores de Patologias Moleculares, Universidad de Extremadura, 06006 Badajoz, Spain; (V.G.-M.); (J.P.); (V.G.-L.); (J.S.); (C.G.-M.)
- Departamento de Anatomia y Embriologia Humana, Facultad de Medicina, Universidad de Extremadura, 06006 Badajoz, Spain
- Departamento de Enfermeria, Facultad de Medicina, Universidad de Extremadura, 06006 Badajoz, Spain
| | - Jairo Salazar
- Instituto de Biomarcadores de Patologias Moleculares, Universidad de Extremadura, 06006 Badajoz, Spain; (V.G.-M.); (J.P.); (V.G.-L.); (J.S.); (C.G.-M.)
- Departamento de Quimica, Universidad Nacional Autonoma de Nicaragua-Leon, Leon 21000, Nicaragua
| | - Carlos Gutierrez-Merino
- Instituto de Biomarcadores de Patologias Moleculares, Universidad de Extremadura, 06006 Badajoz, Spain; (V.G.-M.); (J.P.); (V.G.-L.); (J.S.); (C.G.-M.)
- Departamento de Bioquimica y Biología Molecular y Genetica, Facultad de Ciencias, Universidad de Extremadura, 06006 Badajoz, Spain
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Sadanandan N, Di Santo S, Widmer HR. Another win for endothelial progenitor cells: Endothelial progenitor cell-derived conditioned medium promotes proliferation and exerts neuroprotection in cultured neuronal progenitor cells. Brain Circ 2019; 5:106-111. [PMID: 31620656 PMCID: PMC6785943 DOI: 10.4103/bc.bc_41_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Revised: 09/10/2019] [Accepted: 09/11/2019] [Indexed: 01/08/2023] Open
Abstract
Progress in stem cell research demonstrates stem cells' potential for treating neurodegenerative diseases. Stem cells have proliferative/differentiative properties and produce a variety of paracrine factors that can potentially be used to regenerate nervous tissue. Previous studies have shown the positive regenerative effects of endothelial progenitor cells (EPCs), and thus, they may be used as a tool for regeneration. A study by Di Santo et al. explored whether EPC-derived conditioned medium (EPC-CM) promotes the survival of cultured striatal progenitor cells and attempted to find the paracrine factors and signaling pathways involved with EPC-CM's effects. The neuronal progenitor cells that were cultured with EPC-CM had much higher densities of GABA-immunoreactive (GABA-ir) neurons. It was shown that phosphatidylinositol-3-kinase/AKT and mitogen-activated protein kinase/ERK signaling pathways are involved in the proliferation of GABAergic neurons, as inhibition of these pathways decreased GABAergic densities. In addition, the results suggest that paracrine factors from EPC, both proteinaceous and lipidic, significantly elevated the viability and/or differentiation in the cultures. Importantly, it was found that EPC-CM provided neuroprotection against toxins from 3-nitropropionic acid. In sum, EPC-CM engendered proliferation and regeneration of the cultured striatal cells through paracrine factors and imparted neuroprotection. Furthermore, the effects of EPC-CM may generate a cell-free therapeutic strategy to address neurodegeneration.
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Affiliation(s)
- Nadia Sadanandan
- Department of Neurosurgery and Brain Repair, College of Medicine, University of South Florida Morsani, Tampa, FL, USA
| | - Stefano Di Santo
- Department of Neurosurgery, Neurocenter and Regenerative Neuroscience Cluster, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Hans Rudolf Widmer
- Department of Neurosurgery, Neurocenter and Regenerative Neuroscience Cluster, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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Marques EP, Wyse ATS. Creatine as a Neuroprotector: an Actor that Can Play Many Parts. Neurotox Res 2019; 36:411-423. [PMID: 31069754 DOI: 10.1007/s12640-019-00053-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 04/12/2019] [Accepted: 04/23/2019] [Indexed: 12/11/2022]
Abstract
Creatine is a nitrogenous organic acid that plays a central role as an energy buffer in high energy demanding systems, including the muscular and the central nervous system. It can be acquired from diet or synthesized endogenously, and its main destination is the system creatine/phosphocreatine that strengthens cellular energetics via a temporal and spatial energy buffer that can restore cellular ATP without a reliance on oxygen. This compound has been proposed to possess secondary roles, such as direct and indirect antioxidant, immunomodulatory agent, and possible neuromodulator. However, these effects may be associated with its bioenergetic role in the mitochondria. Given the fundamental roles that creatine plays in the CNS, several preclinical and clinical studies have tested the potential that creatine has to treat degenerative disorders. However, although in vitro and in vivo animal models are highly encouraging, most clinical trials fail to reproduce positive results suggesting that the prophylactic use for neuroprotection in at-risk populations or patients is the most promising field. Nonetheless, the only clearly positive data of the creatine supplementation in human beings are related to the (rare) creatine deficiency syndromes. It seems critical that future studies must establish the best dosage regime to increase brain creatine in a way that can relate to animal studies, provide new ways for creatine to reach the brain, and seek larger experimental groups with biomarkers for prediction of efficacy.
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Affiliation(s)
- Eduardo Peil Marques
- Laboratory of Neuroprotection and Metabolic Disease, Biochemistry Department, ICBS, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Ramiro Barcelos, 2600-Anexo, Porto Alegre, RS, 90035-003, Brazil
- Post graduate program in Biological Science - Biochemistry, Biochemistry Department, ICBS, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Ramiro Barcelos, 2600-Anexo, Porto Alegre, RS, 90035-003, Brazil
| | - Angela T S Wyse
- Laboratory of Neuroprotection and Metabolic Disease, Biochemistry Department, ICBS, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Ramiro Barcelos, 2600-Anexo, Porto Alegre, RS, 90035-003, Brazil.
- Post graduate program in Biological Science - Biochemistry, Biochemistry Department, ICBS, Universidade Federal do Rio Grande do Sul (UFRGS), Rua Ramiro Barcelos, 2600-Anexo, Porto Alegre, RS, 90035-003, Brazil.
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Santo SD, Seiler S, Andres R, Widmer HR. Endothelial Progenitor Cells Conditioned Medium Supports Number of GABAergic Neurons and Exerts Neuroprotection in Cultured Striatal Neuronal Progenitor Cells. Cell Transplant 2019; 28:367-378. [PMID: 31017468 PMCID: PMC6628568 DOI: 10.1177/0963689719835192] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
There is growing evidence that stem and progenitor cells exert regenerative actions by means of paracrine factors. In line with these notions, we recently demonstrated that endothelial progenitor cell (EPC)-derived conditioned medium (EPC-CM) substantially increased viability of brain microvascular cells. In the present study, we aimed at investigating whether EPC-CM supports cell survival of cultured striatal progenitor cells. For that purpose, primary cultures from fetal rat embryonic (E14) ganglionic eminence were prepared and grown for 7 days in vitro (DIV). EPC-CM was administered from DIV5–7. Treatment of the striatal cultures with EPC-CM resulted in significantly increased densities of GABA-immunoreactive (-ir) neurons. Inhibition of mitogen-activated protein kinase and phosphatidylinositol-3-kinase, but not of the ROCK pathway, significantly attenuated the EPC-CM induced increase in GABA-ir cell densities. Similar results were observed when EPC-CM was subjected to proteolytic digestion and lipid extraction. Furthermore, inhibition of translation abolished the EPC-CM induced effects. Importantly, EPC-CM displayed neuroprotection against 3-nitropropionic acid induced toxicity. These findings demonstrate that EPC-derived paracrine factors substantially promote survival and/or differentiation of cultured striatal progenitor cells involving both proteinaceous factors and lipidic factors. In sum, EPC-CM constituents might lead to a novel cell-free therapeutic strategy to challenge neuronal degeneration.
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Affiliation(s)
- Stefano Di Santo
- 1 Department of Neurosurgery, Bern University Hospital, Switzerland
| | - Stefanie Seiler
- 1 Department of Neurosurgery, Bern University Hospital, Switzerland
| | - Robert Andres
- 1 Department of Neurosurgery, Bern University Hospital, Switzerland
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Rai SN, Dilnashin H, Birla H, Singh SS, Zahra W, Rathore AS, Singh BK, Singh SP. The Role of PI3K/Akt and ERK in Neurodegenerative Disorders. Neurotox Res 2019; 35:775-795. [PMID: 30707354 DOI: 10.1007/s12640-019-0003-y] [Citation(s) in RCA: 247] [Impact Index Per Article: 49.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 01/05/2019] [Accepted: 01/15/2019] [Indexed: 12/27/2022]
Abstract
Disruption of Akt and Erk-mediated signal transduction significantly contributes in the pathogenesis of various neurodegenerative diseases (NDs), such as Parkinson's disease, Alzheimer's diseases, Huntington's disease, and many others. These regulatory proteins serve as the regulator of cell survival, motility, transcription, metabolism, and progression of the cell cycle. Therefore, targeting Akt and Erk pathway has been proposed as a reasonable approach to suppress ND progression. This review has emphasized on involvement of Akt/Erk cascade in the neurodegeneration. Akt has been reported to regulate neuronal toxicity through its various substrates like FOXos, GSK3β, and caspase-9 etc. Akt is also involved with PI3K in signaling pathway to mediate neuronal survival. ERK is another kinase which also regulates proliferation, differentiation, and survival of the neural cell. There has also been much progress in developing a therapeutic molecule targeting Akt and Erk signaling. Therefore, improved understanding of the molecular mechanism behind the regulatory aspect of Akt and Erk networks can make strong impact on exploration of the neurodegenerative disease pathogenesis.
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Key Words
- 6-OHDA, 6-hydroxydopamine
- BDNF, brain-derived neurotrophic factor
- HD, Huntington disease
- MAPK, mitogen-activated protein-extracellular kinase
- MPTP, 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine
- NDs, neurodegenerative disorders
- Nrf2, nuclear factor erythroid 2 p45-related factor 2
- PD, Parkinson’s disease
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Affiliation(s)
- Sachchida Nand Rai
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Hagera Dilnashin
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Hareram Birla
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Saumitra Sen Singh
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Walia Zahra
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Aaina Singh Rathore
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Brijesh Kumar Singh
- Department of Pathology and Cell Biology, Columbia University Medical Centre, Columbia University, New York, NY, 10032, USA
| | - Surya Pratap Singh
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
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Moslemi M, Motamedi F, Asadi S, Khodagholi F. Peroxisomal Malfunction Caused by Mitochondrial Toxin 3-NP: Protective Role of Oxytocin. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2019; 18:296-307. [PMID: 31089364 PMCID: PMC6487408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Peroxisomes are single membrane cell organelles with a diversity of metabolic functions. Here we studied the peroxisomal dysfunction and oxidative stress after 3-nitropropionic acid (3-NP) induced neurotoxicity and the possible protective effects of oxytocin. Adult male and female rats were subjected to OXT and/or 3-NP treatment. The antioxidant enzymes, Superoxide dismutase (SOD) and Catalase (CAT) activities as well as expression level of Peroxin 14 (Pex14), a marker for peroxisomal number and Peroxisomal membrane protein of 70 kDa (PMP70), a metabolic transporter in peroxisome in different brain regions of both sexes were studied. The results indicated that 3-NP significantly decreased the expression level of Pex14 and PMP70 in various studied areas in male and female rats. In addition, 3-NP reduced the SOD and CAT activity in different brain regions in both sexes. OXT treatment increased the expression level of peroxisomal proteins Pex14 and PMP70 which are representative of peroxisome performance improvement. Besides, it ameliorated the antioxidant system capability through increasing the activity of the SOD and CAT in all studied brain regions including Striatum, Hippocampus, Prefrontal Cortex and Amygdala with no differences in male and female rats. This study demonstrated that toxin 3-NP, could ultimately cause peroxisomal malfunction and so determines the contribution of peroxisomal dysfunction in the etiology of HD pathology. OXT significantly increased peroxisomal function and antioxidant system defense capability, therefore illustrates that OXT might be an alternate treatment approach for the neurodegenerative diseases like HD.
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Tambasco N, Romoli M, Calabresi P. Selective basal ganglia vulnerability to energy deprivation: Experimental and clinical evidences. Prog Neurobiol 2018; 169:55-75. [DOI: 10.1016/j.pneurobio.2018.07.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 07/24/2018] [Accepted: 07/27/2018] [Indexed: 02/07/2023]
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Preston G, Kirdar F, Kozicz T. The role of suboptimal mitochondrial function in vulnerability to post-traumatic stress disorder. J Inherit Metab Dis 2018; 41:585-596. [PMID: 29594645 DOI: 10.1007/s10545-018-0168-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 02/28/2018] [Accepted: 03/02/2018] [Indexed: 12/13/2022]
Abstract
Post-traumatic stress disorder remains the most significant psychiatric condition associated with exposure to a traumatic event, though rates of traumatic event exposure far outstrip incidence of PTSD. Mitochondrial dysfunction and suboptimal mitochondrial function have been increasingly implicated in several psychopathologies, and recent genetic studies have similarly suggested a pathogenic role of mitochondria in PTSD. Mitochondria play a central role in several physiologic processes underlying PTSD symptomatology, including abnormal fear learning, brain network activation, synaptic plasticity, steroidogenesis, and inflammation. Here we outline several potential mechanisms by which inherited (genetic) or acquired (environmental) mitochondrial dysfunction or suboptimal mitochondrial function, may contribute to PTSD symptomatology and increase susceptibility to PTSD. The proposed pathogenic role of mitochondria in the pathophysiology of PTSD has important implications for prevention and therapy, as antidepressants commonly prescribed for patients with PTSD have been shown to inhibit mitochondrial function, while alternative therapies shown to improve mitochondrial function may prove more efficacious.
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Affiliation(s)
- Graeme Preston
- Hayward Genetics Center, Tulane University School of Medicine, 1430 Tulane Ave, New Orleans, LA, 70112, USA.
| | - Faisal Kirdar
- Hayward Genetics Center, Tulane University School of Medicine, 1430 Tulane Ave, New Orleans, LA, 70112, USA
| | - Tamas Kozicz
- Hayward Genetics Center, Tulane University School of Medicine, 1430 Tulane Ave, New Orleans, LA, 70112, USA
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA
- Department of Anatomy, Radboud University Medical Center, Nijmegen, Netherlands
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13
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Gómez-Pineda VG, Torres-Cruz FM, Vivar-Cortés CI, Hernández-Echeagaray E. Neurotrophin-3 restores synaptic plasticity in the striatum of a mouse model of Huntington's disease. CNS Neurosci Ther 2018; 24:353-363. [PMID: 29453932 DOI: 10.1111/cns.12824] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 01/18/2018] [Accepted: 01/19/2018] [Indexed: 11/30/2022] Open
Abstract
AIMS Neurotrophin-3 (NT-3) is expressed in the mouse striatum; however, it is not clear the NT-3 role in striatal physiology. The expression levels of mRNAs and immune localization of the NT-3 protein and its receptor TrkC are altered in the striatum following damage induced by an in vivo treatment with 3-nitropropionic acid (3-NP), a mitochondrial toxin used to mimic the histopathological hallmarks of Huntington's disease (HD). The aim of this study was to evaluate the role of NT-3 on corticostriatal synaptic transmission and its plasticity in both the control and damaged striatum. METHODS Corticostriatal population spikes were electrophysiologically recorded and striatal synaptic plasticity was induced by high-frequency stimulation. Further, the phosphorylation status of Trk receptors was tested under conditions that imitated electrophysiological experiments. RESULTS NT-3 modulates both synaptic transmission and plasticity in the striatum; nonetheless, synaptic plasticity was modified by the 3-NP treatment, where instead of producing striatal long-term depression (LTD), long-term potentiation (LTP) was obtained. Moreover, the administration of NT-3 in the recording bath restored the plasticity observed under control conditions (LTD) in this model of striatal degeneration. CONCLUSION NT-3 modulates corticostriatal transmission through TrkB stimulation and restores striatal LTD by signaling through its TrkC receptor.
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Affiliation(s)
- Victor G Gómez-Pineda
- Laboratorio de neurofisiología del desarrollo y la neurodegeneración, Unidad de Investigación en Biomedicina, Universidad Nacional Autónoma de México, FES Iztacala, Tlalnepantla, México
| | - Francisco M Torres-Cruz
- Laboratorio de neurofisiología del desarrollo y la neurodegeneración, Unidad de Investigación en Biomedicina, Universidad Nacional Autónoma de México, FES Iztacala, Tlalnepantla, México
| | - César I Vivar-Cortés
- Laboratorio de neurofisiología del desarrollo y la neurodegeneración, Unidad de Investigación en Biomedicina, Universidad Nacional Autónoma de México, FES Iztacala, Tlalnepantla, México
| | - Elizabeth Hernández-Echeagaray
- Laboratorio de neurofisiología del desarrollo y la neurodegeneración, Unidad de Investigación en Biomedicina, Universidad Nacional Autónoma de México, FES Iztacala, Tlalnepantla, México
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14
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Mackay JP, Nassrallah WB, Raymond LA. Cause or compensation?-Altered neuronal Ca 2+ handling in Huntington's disease. CNS Neurosci Ther 2018; 24:301-310. [PMID: 29427371 DOI: 10.1111/cns.12817] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 01/11/2018] [Accepted: 01/11/2018] [Indexed: 02/03/2023] Open
Abstract
Huntington's disease (HD) is a hereditary neurodegenerative disorder of typically middle-aged onset for which there is no disease-modifying treatment. Caudate and putamen medium-sized spiny projection neurons (SPNs) most severely degenerate in HD. However, it is unclear why mutant huntingtin protein (mHTT) is preferentially toxic to these neurons or why symptoms manifest only relatively late in life. mHTT interacts with numerous neuronal proteins. Likewise, multiple SPN cellular processes have been described as altered in various HD models. Among these, altered neuronal Ca2+ influx and intracellular Ca2+ handling feature prominently and are addressed here. Specifically, we focus on extrasynaptic NMDA-type glutamate receptors, endoplasmic reticulum IP3 receptors, and mitochondria. As mHTT is expressed throughout development, compensatory processes will likely be mounted to mitigate any deleterious effects. Although some compensations can lessen mHTT's disruptive effects, others-such as upregulation of the ER-refilling store-operated Ca2+ channel response-contribute to pathogenesis. A causation-based approach is therefore necessary to decipher the complex sequence of events linking mHTT to neurodegeneration, and to design rational therapeutic interventions. With this in mind, we highlight evidence, or lack thereof, that the above alterations in Ca2+ handling occur early in the disease process, clearly interact with mHTT, and show disease-modifying potential when reversed in animals.
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Affiliation(s)
- James P Mackay
- Department of Psychiatry, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Wissam B Nassrallah
- Department of Psychiatry, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada.,Graduate Program in Neuroscience and MD/PhD Program, University of British Columbia, Vancouver, British Columbia, Canada
| | - Lynn A Raymond
- Department of Psychiatry, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
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15
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Pistollato F, Canovas-Jorda D, Zagoura D, Bal-Price A. Nrf2 pathway activation upon rotenone treatment in human iPSC-derived neural stem cells undergoing differentiation towards neurons and astrocytes. Neurochem Int 2017. [DOI: 10.1016/j.neuint.2017.06.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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16
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Stepien KM, Heaton R, Rankin S, Murphy A, Bentley J, Sexton D, Hargreaves IP. Evidence of Oxidative Stress and Secondary Mitochondrial Dysfunction in Metabolic and Non-Metabolic Disorders. J Clin Med 2017; 6:E71. [PMID: 28753922 PMCID: PMC5532579 DOI: 10.3390/jcm6070071] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 07/07/2017] [Accepted: 07/14/2017] [Indexed: 01/07/2023] Open
Abstract
Mitochondrial dysfunction and oxidative stress have been implicated in the pathogenesis of a number of diseases and conditions. Oxidative stress occurs once the antioxidant defenses of the body become overwhelmed and are no longer able to detoxify reactive oxygen species (ROS). The ROS can then go unchallenged and are able to cause oxidative damage to cellular lipids, DNA and proteins, which will eventually result in cellular and organ dysfunction. Although not always the primary cause of disease, mitochondrial dysfunction as a secondary consequence disease of pathophysiology can result in increased ROS generation together with an impairment in cellular energy status. Mitochondrial dysfunction may result from either free radical-induced oxidative damage or direct impairment by the toxic metabolites which accumulate in certain metabolic diseases. In view of the importance of cellular antioxidant status, a number of therapeutic strategies have been employed in disorders associated with oxidative stress with a view to neutralising the ROS and reactive nitrogen species implicated in disease pathophysiology. Although successful in some cases, these adjunct therapies have yet to be incorporated into the clinical management of patients. The purpose of this review is to highlight the emerging evidence of oxidative stress, secondary mitochondrial dysfunction and antioxidant treatment efficacy in metabolic and non-metabolic diseases in which there is a current interest in these parameters.
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Affiliation(s)
- Karolina M Stepien
- The Mark Holland Metabolic Unit Salford Royal NHS Foundation Trust Stott Lane, Salford M6 8HD, UK.
| | - Robert Heaton
- School of Pharmacy, Liverpool John Moore University, Byrom Street, Liverpool L3 3AF, UK.
| | - Scott Rankin
- School of Pharmacy, Liverpool John Moore University, Byrom Street, Liverpool L3 3AF, UK.
| | - Alex Murphy
- School of Pharmacy, Liverpool John Moore University, Byrom Street, Liverpool L3 3AF, UK.
| | - James Bentley
- School of Pharmacy, Liverpool John Moore University, Byrom Street, Liverpool L3 3AF, UK.
| | - Darren Sexton
- School of Pharmacy, Liverpool John Moore University, Byrom Street, Liverpool L3 3AF, UK.
| | - Iain P Hargreaves
- School of Pharmacy, Liverpool John Moore University, Byrom Street, Liverpool L3 3AF, UK.
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17
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He W, Cui L, Zhang C, Zhang X, He J, Xie Y, Chen Y. Sonic hedgehog promotes neurite outgrowth of cortical neurons under oxidative stress: Involving of mitochondria and energy metabolism. Exp Cell Res 2017; 350:83-90. [DOI: 10.1016/j.yexcr.2016.11.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2016] [Revised: 11/06/2016] [Accepted: 11/12/2016] [Indexed: 12/29/2022]
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18
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Andres RH, Ducray AD, Andereggen L, Hohl T, Schlattner U, Wallimann T, Widmer HR. The effects of creatine supplementation on striatal neural progenitor cells depend on developmental stage. Amino Acids 2016; 48:1913-27. [PMID: 27129463 DOI: 10.1007/s00726-016-2238-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Accepted: 04/12/2016] [Indexed: 01/14/2023]
Abstract
Transplantation of neural progenitor cells (NPCs) is a promising experimental therapy for Huntington's disease (HD). The variables responsible for the success of this approach, including selection of the optimal developmental stage of the grafted cells, are however largely unknown. Supporting cellular energy metabolism by creatine (Cr) supplementation is a clinically translatable method for improving cell transplantation strategies. The present study aims at investigating differences between early (E14) and late (E18) developmental stages of rat striatal NPCs in vitro. NPCs were isolated from E14 and E18 embryos and cultured for 7 days with or without Cr [5 mM]. Chronic treatment significantly increased the percentage of GABA-immunoreactive neurons as compared to untreated controls, both in the E14 (170.4 ± 4.7 %) and the E18 groups (129.3 ± 9.3 %). This effect was greater in E14 cultures (p < 0.05). Similarly, short-term treatment for 24 h resulted in increased induction (p < 0.05) of the GABA-ergic phenotype in E14 (163.0 ± 10.4 %), compared to E18 cultures (133.3 ± 9.5 %). Total neuronal cell numbers and general viability were not affected by Cr (p > 0.05). Protective effects of Cr against a metabolic insult were equal in E14 and E18 NPCs (p > 0.05). Cr exposure promoted morphological differentiation of GABA-ergic neurons, including neurite length in both groups (p < 0.05), but the number of branching points was increased only in the E18 group (p < 0.05). Our results demonstrate that the role of Cr as a GABA-ergic differentiation factor depends on the developmental stage of striatal NPCs, while Cr-mediated neuroprotection is not significantly influenced. These findings have potential implications for optimizing future cell replacement strategies in HD.
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Affiliation(s)
- Robert H Andres
- Department of Neurosurgery, University of Berne, Inselspital, Freiburgstrasse 10, 3010, Berne, Switzerland
| | - Angelique D Ducray
- Department of Neurosurgery, University of Berne, Inselspital, Freiburgstrasse 10, 3010, Berne, Switzerland
| | - Lukas Andereggen
- Department of Neurosurgery, University of Berne, Inselspital, Freiburgstrasse 10, 3010, Berne, Switzerland.,Department of Neurosurgery and F.M. Kirby Neurobiology Center, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Tabea Hohl
- Department of Neurosurgery, University of Berne, Inselspital, Freiburgstrasse 10, 3010, Berne, Switzerland
| | - Uwe Schlattner
- Laboratory of Fundamental and Applied Bioenergetics, Université Grenoble Alpes, BP53, 38041, Grenoble Cedex, France.,Inserm, U1055, BP53, 38041, Grenoble Cedex, France
| | - Theo Wallimann
- Professor emeritus, formerly at Institute of Cell Biology, Swiss Federal Institute of Technology (ETH), Schafmattstrasse 18, 8093, Zurich, Switzerland
| | - Hans R Widmer
- Department of Neurosurgery, University of Berne, Inselspital, Freiburgstrasse 10, 3010, Berne, Switzerland.
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Chan F, Lax NZ, Davies CH, Turnbull DM, Cunningham MO. Neuronal oscillations: A physiological correlate for targeting mitochondrial dysfunction in neurodegenerative diseases? Neuropharmacology 2016; 102:48-58. [DOI: 10.1016/j.neuropharm.2015.10.033] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 10/19/2015] [Accepted: 10/24/2015] [Indexed: 12/21/2022]
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20
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Zugno AI, Pacheco FD, Budni J, de Oliveira MB, Canever L, Heylmann AS, Wessler PG, da Rosa Silveira F, Mastella GA, Gonçalves CL, Freitas KV, de Castro AA, Streck EL, Quevedo J. Maternal deprivation disrupts mitochondrial energy homeostasis in the brain of rats subjected to ketamine-induced schizophrenia. Metab Brain Dis 2015; 30:1043-53. [PMID: 25920483 DOI: 10.1007/s11011-015-9671-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Accepted: 04/12/2015] [Indexed: 02/04/2023]
Abstract
Maternal deprivation (MD) appears to be one of the environmental factors involved in the pathophysiology of schizophrenia. A widely used animal model of the schizophrenia involves the administration of ketamine, a dissociative anesthetic, NMDA receptors noncompetitive antagonist, that induce symptoms such as schizophrenia. To clarify the molecular mechanism of schizophrenia induced by MD, we investigated alterations in energetic metabolism, oxidative stress and neurotrophic factor levels in the brain of rats following MD and/or a single administration of ketamine during adulthood. Male Wistar rats were subjected to MD for 10 days. Additionally, these animals received acute ketamine (5, 15 or 25 mg/kg by intraperitoneal route, i.p.) during adulthood, and 30 min later, they were killed and the prefrontal cortex (PFC), the hippocampus and the striatum were removed for molecular analyses. Ketamine 25 mg/kg and/or MD and Ketamine 15 and 5 mg/kg with MD decreased the creatine kinase (CK) activity in the hippocampus. The enzyme activity of succinate dehydrogenase (SDH) in the Krebs cycle had increased in the striatum following the administration of ketamine 25 mg/kg, MD per se or MD plus ketamine 5 and 15 mg/kg. MD per se or MD combined with ketamine in different doses increased the activity of mitochondrial complexes. The PFC of animals subjected to MD and administered with ketamine 5 mg/kg exhibited increased protein carbonyl content. In the hippocampus, ketamine 15 mg/kg, ketamine 25 mg/kg and MD each increased the carbonyl content. In the striatum, the TBARS levels were increased by the administration of ketamine 25 mg/kg. Finally, in the hippocampus, MD alone or in combination with ketamine reduced the Nerve Growth Factor (NGF) levels; however, the Brain-derived Neurotrophic Factor (BDNF) levels were unaltered. In the present study, we suggest that MD increased the risk of psychotic symptoms in adulthood, altering different parameters of energy and oxidative stress. Our results suggest that adverse experiences occurring early in life may sensitize specific neurocircuits to subsequent stressors, inducing vulnerability, and may help us understand the pathophysiological mechanisms involved in this disorder.
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Affiliation(s)
- Alexandra Ioppi Zugno
- Laboratório de Neurociências, Programa de Pós-Graduação em Ciências da Saúde, Unidade Acadêmica de Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil,
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21
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Cerovic M, Bagetta V, Pendolino V, Ghiglieri V, Fasano S, Morella I, Hardingham N, Heuer A, Papale A, Marchisella F, Giampà C, Calabresi P, Picconi B, Brambilla R. Derangement of Ras-guanine nucleotide-releasing factor 1 (Ras-GRF1) and extracellular signal-regulated kinase (ERK) dependent striatal plasticity in L-DOPA-induced dyskinesia. Biol Psychiatry 2015; 77:106-15. [PMID: 24844602 DOI: 10.1016/j.biopsych.2014.04.002] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2013] [Revised: 03/17/2014] [Accepted: 04/01/2014] [Indexed: 02/02/2023]
Abstract
BACKGROUND Bidirectional long-term plasticity at the corticostriatal synapse has been proposed as a central cellular mechanism governing dopamine-mediated behavioral adaptations in the basal ganglia system. Balanced activity of medium spiny neurons (MSNs) in the direct and the indirect pathways is essential for normal striatal function. This balance is disrupted in Parkinson's disease and in l-3,4-dihydroxyphenylalanine (l-DOPA)-induced dyskinesia (LID), a common motor complication of current pharmacotherapy of Parkinson's disease. METHODS Electrophysiological recordings were performed in mouse cortico-striatal slice preparation. Synaptic plasticity, such as long-term potentiation (LTP) and depotentiation, was investigated. Specific pharmacological inhibitors or genetic manipulations were used to modulate the Ras-extracellular signal-regulated kinase (Ras-ERK) pathway, a signal transduction cascade implicated in behavioral plasticity, and synaptic activity in different subpopulations of striatal neurons was measured. RESULTS We found that the Ras-ERK pathway, is not only essential for long-term potentiation induced with a high frequency stimulation protocol (HFS-LTP) in the dorsal striatum, but also for its reversal, synaptic depotentiation. Ablation of Ras-guanine nucleotide-releasing factor 1 (Ras-GRF1), a neuronal activator of Ras proteins, causes a specific loss of HFS-LTP in the medium spiny neurons in the direct pathway without affecting LTP in the indirect pathway. Analysis of LTP in animals with unilateral 6-hydroxydopamine lesions (6-OHDA) rendered dyskinetic with chronic L-DOPA treatment reveals a complex, Ras-GRF1 and pathway-independent, apparently stochastic involvement of ERK. CONCLUSIONS These data not only demonstrate a central role for Ras-ERK signaling in striatal LTP, depotentiation, and LTP restored after L-DOPA treatment but also disclose multifaceted synaptic adaptations occurring in response to dopaminergic denervation and pulsatile administration of L-DOPA.
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Affiliation(s)
- Milica Cerovic
- School of Biosciences, Cardiff University, Cardiff, United Kingdom; Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milano
| | | | | | | | - Stefania Fasano
- Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milano
| | - Ilaria Morella
- Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milano
| | - Neil Hardingham
- School of Biosciences, Cardiff University, Cardiff, United Kingdom
| | - Andreas Heuer
- School of Biosciences, Cardiff University, Cardiff, United Kingdom
| | - Alessandro Papale
- Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milano
| | - Francesca Marchisella
- Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milano
| | | | - Paolo Calabresi
- Fondazione Santa Lucia, IRCCS, Rome; Clinica Neurologica, University of Perugia, Ospedale S. Maria della Misericordia, Perugia, Italy
| | | | - Riccardo Brambilla
- Institute of Experimental Neurology, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, Milano.
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Akarsu S, Torun D, Bolu A, Erdem M, Kozan S, Ak M, Akar H, Uzun Ö. Mitochondrial complex I and III gene mRNA levels in schizophrenia, and their relationship with clinical features. J Mol Psychiatry 2014; 2:6. [PMID: 25713723 PMCID: PMC4307627 DOI: 10.1186/s40303-014-0006-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Accepted: 11/24/2014] [Indexed: 11/17/2022] Open
Abstract
Background The etiology of schizophrenia is not precisely known; however, mitochondrial function and cerebral energy metabolism abnormalities were determined to be possible factors associated with the etiology of schizophrenia. Impaired mitochondrial function negatively affects neuronal plasticity, and can cause cognitive deficits and behavioral abnormalities observed during the clinical course of schizophrenia. The present study aimed to investigate the relationship between the clinical features of schizophrenia, and mitochondrial complex activation, based on measurement of mRNA levels in the NDUFV1, NDUFV2, NDUFS1, and UQCR10 genes involved in the peripheral mitochondrial complex. Methods The study included 138 schizophrenia patients and 42 healthy controls. The schizophrenia group was divided into a chronic schizophrenia subgroup (n = 84) and a first-episode schizophrenia subgroup (n = 54). The symptoms profile and severity of disorder were evaluated using the Scale for the Assessment of Negative Symptoms (SANS), Scale for the Assessment of Positive Symptoms (SAPS), and Brief Psychiatric Rating Scale (BPRS). Results The level of mRNA expression of NDUFV1, NDUFV2, and NDUFS1 was significantly higher in the schizophrenia group than in the control group. The mRNA level of NDUFV2 was positively correlated with BPRS and SAPS scores in the first-episode schizophrenia subgroup. Conclusion The findings showed that there was a positive correlation between gene mRNA levels and psychotic symptomatology, especially positive symptoms. Our results suggest that mRNA levels of the NDUFV1, NUDFV2, and NDUFS1 genes of complex I of the mitochondrial electron transport chain might become a possible peripheral marker for the diagnosis of schizophrenia.
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Affiliation(s)
- Süleyman Akarsu
- Department of Psychiatry, Aksaz Military Hospital, Marmaris, Muğla Turkey
| | - Deniz Torun
- Department of Medical Genetics, Gülhane Military Medical Faculty, Ankara, Turkey
| | - Abdullah Bolu
- Aircrew's Health Research and Training Center, Eskişehir, Turkey
| | - Murat Erdem
- Department of Psychiatry, Gülhane Military Medical Faculty, Ankara, Turkey
| | - Salih Kozan
- Department of Medical Genetics, Gülhane Military Medical Faculty, Ankara, Turkey
| | - Mehmet Ak
- Department of Psychiatry, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Hatice Akar
- Department of Medical Genetics, Gülhane Military Medical Faculty, Ankara, Turkey
| | - Özcan Uzun
- Department of Psychiatry, Gülhane Military Medical Faculty, Ankara, Turkey
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Ranju V, Sathiya S, Kalaivani P, Priya RJ, Saravana Babu C. Memantine exerts functional recovery by improving BDNF and GDNF expression in 3-nitropropionic acid intoxicated mice. Neurosci Lett 2014; 586:1-7. [PMID: 25475686 DOI: 10.1016/j.neulet.2014.11.036] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Revised: 11/18/2014] [Accepted: 11/25/2014] [Indexed: 11/24/2022]
Abstract
Memantine (MN), a NMDA blocker is well known for its protective effect against various neurodegenerative diseases. However, its role in improving motor function and regulation of neurotrophic factors in Huntington's disease (HD) has not been studied yet. In the present study, we have investigated the effect of MN against 3-nitropropionic acid (3NP), induced motor impairment, and alterations in the expression of brain-derived neurotrophic factor (BDNF) and glial cell-derived neurotrophic factor (GDNF) in mice brain. Further, its role in mitochondrial function was assessed by measuring succinate dehydrogenase (SDH) activity. Glial fibrillary acidic protein (GFAP) and neuronal nuclei (NeuN) immunoreactivity were studied to evaluate the role of MN on glial and neuronal function. Its effect on apoptosis was adjudged by studying the expression of apoptotic markers. MN restored motor functions with an associated up-regulation in neurotrophin expression. MN also enhanced brain SDH activity and decreased glutamate content. MN ameliorated striatal neuronal loss, reduced GFAP immunoreactivity, and exhibited protective effect against neuronal apoptosis. Data from the current study demonstrated that MN exerted neuroprotective effect against 3NP induced neuropathology. Restoration of motor function by MN might be through regulation of neurotrophin expression. MN can therefore be a useful therapeutic choice in the symptomatic management of HD.
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Affiliation(s)
- Vijayan Ranju
- Centre for Toxicology and Developmental Research, Sri Ramachandra University, Chennai 600116, India; Department of Biotechnology, Dr. M.G.R. Educational and Research Institute, Maduravoyal, Chennai 600095, India
| | - Sekar Sathiya
- Centre for Toxicology and Developmental Research, Sri Ramachandra University, Chennai 600116, India; Department of Biotechnology, Dr. M.G.R. Educational and Research Institute, Maduravoyal, Chennai 600095, India
| | - Periyathambi Kalaivani
- Centre for Toxicology and Developmental Research, Sri Ramachandra University, Chennai 600116, India
| | - Raju Jyothi Priya
- Centre for Toxicology and Developmental Research, Sri Ramachandra University, Chennai 600116, India
| | - Chidambaram Saravana Babu
- Centre for Toxicology and Developmental Research, Sri Ramachandra University, Chennai 600116, India.
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Mendoza E, Miranda-Barrientos J, Vázquez-Roque R, Morales-Herrera E, Ruelas A, De la Rosa G, Flores G, Hernández-Echeagaray E. In vivo mitochondrial inhibition alters corticostriatal synaptic function and the modulatory effects of neurotrophins. Neuroscience 2014; 280:156-70. [DOI: 10.1016/j.neuroscience.2014.09.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2014] [Accepted: 09/09/2014] [Indexed: 01/09/2023]
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25
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Gupta S, Sharma B. Pharmacological benefits of agomelatine and vanillin in experimental model of Huntington's disease. Pharmacol Biochem Behav 2014; 122:122-35. [DOI: 10.1016/j.pbb.2014.03.022] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Revised: 03/01/2014] [Accepted: 03/23/2014] [Indexed: 12/20/2022]
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26
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Gupta S, Sharma B. Protective effects of phosphodiesterase-1 (PDE1) and ATP sensitive potassium (KATP) channel modulators against 3-nitropropionic acid induced behavioral and biochemical toxicities in experimental Huntington׳s disease. Eur J Pharmacol 2014; 732:111-22. [DOI: 10.1016/j.ejphar.2014.03.032] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Revised: 03/15/2014] [Accepted: 03/24/2014] [Indexed: 12/16/2022]
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Streck EL, Gonçalves CL, Furlanetto CB, Scaini G, Dal-Pizzol F, Quevedo J. Mitochondria and the central nervous system: searching for a pathophysiological basis of psychiatric disorders. REVISTA BRASILEIRA DE PSIQUIATRIA 2014; 36:156-67. [DOI: 10.1590/1516-4446-2013-1224] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2013] [Accepted: 10/03/2013] [Indexed: 12/20/2022]
Affiliation(s)
- Emilio L. Streck
- Universidade do Extremo Sul Catarinense (UNESC), Brazil; National Science and Technology Institute for Translational Medicine (INCT-TM), Brazil; Center of Excellence in Applied Neurosciences of Santa Catarina (NENASC), Brazil
| | - Cinara L. Gonçalves
- Universidade do Extremo Sul Catarinense (UNESC), Brazil; National Science and Technology Institute for Translational Medicine (INCT-TM), Brazil; Center of Excellence in Applied Neurosciences of Santa Catarina (NENASC), Brazil
| | - Camila B. Furlanetto
- Universidade do Extremo Sul Catarinense (UNESC), Brazil; National Science and Technology Institute for Translational Medicine (INCT-TM), Brazil; Center of Excellence in Applied Neurosciences of Santa Catarina (NENASC), Brazil
| | - Giselli Scaini
- Universidade do Extremo Sul Catarinense (UNESC), Brazil; National Science and Technology Institute for Translational Medicine (INCT-TM), Brazil; Center of Excellence in Applied Neurosciences of Santa Catarina (NENASC), Brazil
| | - Felipe Dal-Pizzol
- Universidade do Extremo Sul Catarinense (UNESC), Brazil; National Science and Technology Institute for Translational Medicine (INCT-TM), Brazil; Center of Excellence in Applied Neurosciences of Santa Catarina (NENASC), Brazil
| | - João Quevedo
- National Science and Technology Institute for Translational Medicine (INCT-TM), Brazil; Center of Excellence in Applied Neurosciences of Santa Catarina (NENASC), Brazil; UNESC, Brazil
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Gupta S, Sharma B. Pharmacological benefit of I(1)-imidazoline receptors activation and nuclear factor kappa-B (NF-κB) modulation in experimental Huntington's disease. Brain Res Bull 2014; 102:57-68. [PMID: 24582883 DOI: 10.1016/j.brainresbull.2014.02.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2013] [Revised: 02/08/2014] [Accepted: 02/12/2014] [Indexed: 01/14/2023]
Abstract
Huntington's disease (HD), a neurodegenerative disorder, is characterized by progressive motor dysfunction, emotional disturbances, dementia, weight loss and anxiety. The tremendous amount of research work is required to identify new pharmacological agents of therapeutic utility to combat this condition. This study investigates the effect of selective modulator of I1-imidazoline receptor (moxonidine) as well as nuclear factor kappa-B (NF-κB) (natrium diethyl dithio carbamate trihydrate-NDDCT) on 3-nitropropionic acid (3-NPA) induced experimental HD condition. 3-NPA was used to induce mitochondrial damage and associated HD symptoms in rats. Anxiety was assessed using Elevated plus maze-EPM and learning-memory was assessed using EPM and Morris water maze-MWM. Different biochemical estimations were used to assess brain striatum oxidative stress (lipid peroxide, superoxide dismutase and catalase), nitric oxide levels (nitrite/nitrate), cholinergic activity (brain striatum acetyl cholinesterase activity), and mitochondrial enzyme complex (I, II and IV) activities. 3-NPA has induced anxiety, impaired learning-memory with a reduction in body weight, locomotor activity, grip strength. It has increased brain striatum acetylcholinesterase-AChE activity, oxidative stress (lipid peroxide, nitrite/nitrate, superoxide dismutase and catalase) and impaired mitochondrial complex enzyme (I, II and IV) activities. Tetrabenazine-TBZ (monoamine storage inhibitor) was used as positive control. Treatment with moxonidine, NDDCT and TBZ significantly attenuated 3-NPA induced reduction in body weight, locomotor activity, grip strength, anxiety as well as impaired learning and memory. Administration of these agents attenuated 3-NPA induced various biochemical impairments. Therefore, modulation of I1-imidazoline receptor as well as NF-κB may be considered as potential pharmacological agents for the management of 3-NPA induced HD.
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Affiliation(s)
- Surbhi Gupta
- Neuropharmacology Lab., Department of Pharmacology, School of Pharmacy, Bharat Institute of Technology, Partapur Bypass, Meerut, Uttar Pradesh, India.
| | - Bhupesh Sharma
- Department of Pharmacology, School of Pharmacy, Bharat Institute of Technology, Partapur Bypass, Meerut, Uttar Pradesh, India; CNS Pharmacology, Conscience Research, Pocket F-233, B, Dilshad Garden, Delhi 110095, India.
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Calabresi P, Ghiglieri V. “Lazy” nigrostriatal synapses in the heterozygous PINK1 mouse model of familial Parkinson's disease. Mov Disord 2013; 29:11-4. [DOI: 10.1002/mds.25759] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2013] [Accepted: 10/27/2013] [Indexed: 11/08/2022] Open
Affiliation(s)
- Paolo Calabresi
- Clinica Neurologica; Università degli Studi di Perugia, Ospedale Santa Maria della Misericordia; S. Andrea delle Fratte 06156 Perugia Italy
- Fondazione Santa Lucia; IRCCS; via del Fosso di Fiorano 64; 00143 Rome Italy
| | - Veronica Ghiglieri
- Fondazione Santa Lucia; IRCCS; via del Fosso di Fiorano 64; 00143 Rome Italy
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A combined metabonomic and proteomic approach identifies frontal cortex changes in a chronic phencyclidine rat model in relation to human schizophrenia brain pathology. Neuropsychopharmacology 2013; 38:2532-44. [PMID: 23942359 PMCID: PMC3799075 DOI: 10.1038/npp.2013.160] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Revised: 06/03/2013] [Accepted: 06/14/2013] [Indexed: 01/30/2023]
Abstract
Current schizophrenia (SCZ) treatments fail to treat the broad range of manifestations associated with this devastating disorder. Thus, new translational models that reproduce the core pathological features are urgently needed to facilitate novel drug discovery efforts. Here, we report findings from the first comprehensive label-free liquid-mass spectrometry proteomic- and proton nuclear magnetic resonance-based metabonomic profiling of the rat frontal cortex after chronic phencyclidine (PCP) intervention, which induces SCZ-like symptoms. The findings were compared with results from a proteomic profiling of post-mortem prefrontal cortex from SCZ patients and with relevant findings in the literature. Through this approach, we identified proteomic alterations in glutamate-mediated Ca(2+) signaling (Ca(2+)/calmodulin-dependent protein kinase II, PPP3CA, and VISL1), mitochondrial function (GOT2 and PKLR), and cytoskeletal remodeling (ARP3). Metabonomic profiling revealed changes in the levels of glutamate, glutamine, glycine, pyruvate, and the Ca(2+) regulator taurine. Effects on similar pathways were also identified in the prefrontal cortex tissue from human SCZ subjects. The discovery of similar but not identical proteomic and metabonomic alterations in the chronic PCP rat model and human brain indicates that this model recapitulates only some of the molecular alterations of the disease. This knowledge may be helpful in understanding mechanisms underlying psychosis, which, in turn, can facilitate improved therapy and drug discovery for SCZ and other psychiatric diseases. Most importantly, these molecular findings suggest that the combined use of multiple models may be required for more effective translation to studies of human SCZ.
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Kumar A, Sharma N, Mishra J, Kalonia H. Synergistical neuroprotection of rofecoxib and statins against malonic acid induced Huntington's disease like symptoms and related cognitive dysfunction in rats. Eur J Pharmacol 2013; 709:1-12. [DOI: 10.1016/j.ejphar.2013.03.042] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2012] [Revised: 03/17/2013] [Accepted: 03/24/2013] [Indexed: 01/13/2023]
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Tian C, Kim YH, Kim YC, Park KT, Kim SW, Kim YJ, Lim HJ, Choung YH. Korean red ginseng ameliorates acute 3-nitropropionic acid-induced cochlear damage in mice. Neurotoxicology 2012; 34:42-50. [PMID: 23164932 DOI: 10.1016/j.neuro.2012.10.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2012] [Revised: 10/12/2012] [Accepted: 10/12/2012] [Indexed: 11/30/2022]
Abstract
3-Nitropropionic acid (3-NP), a mitochondrial toxin, has been reported to induce an acute cochlear damage. Korean red ginseng (KRG) is known to have protective effects from some types of hearing loss. This study aimed to observe the protective effect of KRG in an ototoxic animal model using 3-NP intratympanic injection. BALB/c mice were classified into 5 groups (n=15) and dose-dependent toxic effects after intratympanic injection with 3-NP (300-5000 mM) on the left ear were investigated to determine the appropriate toxicity level of 3-NP. For observation of the protective effects of KRG, 23 mice were grouped into 3-NP (500 mM, n=12) and KRG+3-NP groups (300 mg/kg KRG for 7 days before 500 mM 3-NP administration, n=11). Auditory brain response (ABR) and cochlear morphological evaluations were performed before and after drug administration. The ABR thresholds in the 800-5000 mM groups exceeded the maximum recording limit at 16 and 32 kHz 1 day after 3-NP administration. The ABR threshold in the 500 mM 3-NP+KRG group was significantly lower than that in the 500 mM 3-NP group from post 1 week to 1 month. The mean type II fibrocyte counts significantly differed between the control and 3-NP groups and between the 3-NP and 3-NP+KRG groups. Spiral ganglion cell degeneration in the 3-NP group was more severe than that in the 3-NP+KRG group. This animal model exhibited a dose-dependent hearing loss with histological changes. KRG administration ameliorated the deterioration of hearing by 3-NP.
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Affiliation(s)
- Chunjie Tian
- Department of Otolaryngology, Ajou University School of Medicine, Suwon, Republic of Korea
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Akopian G, Crawford C, Petzinger G, Jakowec MW, Walsh JP. Brief mitochondrial inhibition causes lasting changes in motor behavior and corticostriatal synaptic physiology in the Fischer 344 rat. Neuroscience 2012; 215:149-59. [PMID: 22554779 PMCID: PMC3371111 DOI: 10.1016/j.neuroscience.2012.04.060] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2012] [Revised: 04/19/2012] [Accepted: 04/25/2012] [Indexed: 11/26/2022]
Abstract
The striatum is particularly vulnerable to mitochondrial dysfunction and this problem is linked to pathology created by environmental neurotoxins, stimulants like amphetamine, and metabolic disease and ischemia. We studied the course of recovery following a single systemic injection of the mitochondrial complex II inhibitor 3-nitropropionic acid (3-NP) and found 3-NP caused lasting changes in motor behavior that were associated with altered activity-dependent plasticity at corticostriatal synapses in Fischer 344 rats. The changes in synapse behavior varied with the time after exposure to the 3-NP injection. The earliest time point studied, 24h after 3-NP, revealed 3-NP-induced an exaggeration of D1 Dopamine (DA) receptor dependent long-term potentiation (LTP) that reversed to normal by 48 h post-3-NP exposure. Thereafter, the likelihood and degree of inducing D2 DA receptor dependent long-term depression (LTD) gradually increased, relative to saline controls, peaking at 1 month after the 3-NP exposure. NMDA receptor binding did not change over the same post 3-NP time points. These data indicate even brief exposure to 3-NP can have lasting behavioral effects mediated by changes in the way DA and glutamate synapses interact.
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Affiliation(s)
- G Akopian
- Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089-0191, USA
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Filiou MD, Zhang Y, Teplytska L, Reckow S, Gormanns P, Maccarrone G, Frank E, Kessler MS, Hambsch B, Nussbaumer M, Bunck M, Ludwig T, Yassouridis A, Holsboer F, Landgraf R, Turck CW. Proteomics and metabolomics analysis of a trait anxiety mouse model reveals divergent mitochondrial pathways. Biol Psychiatry 2011; 70:1074-82. [PMID: 21791337 DOI: 10.1016/j.biopsych.2011.06.009] [Citation(s) in RCA: 103] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2011] [Revised: 06/07/2011] [Accepted: 06/07/2011] [Indexed: 01/06/2023]
Abstract
BACKGROUND Although anxiety disorders are the most prevalent psychiatric disorders, no molecular biomarkers exist for their premorbid diagnosis, accurate patient subcategorization, or treatment efficacy prediction. To unravel the neurobiological underpinnings and identify candidate biomarkers and affected pathways for anxiety disorders, we interrogated the mouse model of high anxiety-related behavior (HAB), normal anxiety-related behavior (NAB), and low anxiety-related behavior (LAB) employing a quantitative proteomics and metabolomics discovery approach. METHODS We compared the cingulate cortex synaptosome proteomes of HAB and LAB mice by in vivo (15)N metabolic labeling and mass spectrometry and quantified the cingulate cortex metabolomes of HAB/NAB/LAB mice. The combined data sets were used to identify divergent protein and metabolite networks by in silico pathway analysis. Selected differentially expressed proteins and affected pathways were validated with immunochemical and enzymatic assays. RESULTS Altered levels of up to 300 proteins and metabolites were found between HAB and LAB mice. Our data reveal alterations in energy metabolism, mitochondrial import and transport, oxidative stress, and neurotransmission, implicating a previously nonhighlighted role of mitochondria in modulating anxiety-related behavior. CONCLUSIONS Our results offer insights toward a molecular network of anxiety pathophysiology with a focus on mitochondrial contribution and provide the basis for pinpointing affected pathways in anxiety-related behavior.
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Affiliation(s)
- Michaela D Filiou
- Max Planck Institute of Psychiatry, Kraepelinstrasse 2, Munich, Germany
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Tassone A, Sciamanna G, Bonsi P, Martella G, Pisani A. Experimental Models of Dystonia. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2011; 98:551-72. [DOI: 10.1016/b978-0-12-381328-2.00020-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Cheng A, Hou Y, Mattson MP. Mitochondria and neuroplasticity. ASN Neuro 2010; 2:e00045. [PMID: 20957078 PMCID: PMC2949087 DOI: 10.1042/an20100019] [Citation(s) in RCA: 295] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2010] [Revised: 08/06/2010] [Accepted: 08/13/2010] [Indexed: 12/22/2022] Open
Abstract
The production of neurons from neural progenitor cells, the growth of axons and dendrites and the formation and reorganization of synapses are examples of neuroplasticity. These processes are regulated by cell-autonomous and intercellular (paracrine and endocrine) programs that mediate responses of neural cells to environmental input. Mitochondria are highly mobile and move within and between subcellular compartments involved in neuroplasticity (synaptic terminals, dendrites, cell body and the axon). By generating energy (ATP and NAD(+)), and regulating subcellular Ca(2+) and redox homoeostasis, mitochondria may play important roles in controlling fundamental processes in neuroplasticity, including neural differentiation, neurite outgrowth, neurotransmitter release and dendritic remodelling. Particularly intriguing is emerging data suggesting that mitochondria emit molecular signals (e.g. reactive oxygen species, proteins and lipid mediators) that can act locally or travel to distant targets including the nucleus. Disturbances in mitochondrial functions and signalling may play roles in impaired neuroplasticity and neuronal degeneration in Alzheimer's disease, Parkinson's disease, psychiatric disorders and stroke.
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Key Words
- AD, Alzheimer's disease
- AP, adaptor protein
- APP, amyloid precursor protein
- Aβ, amyloid β-peptide
- BDNF, brain-derived neurotrophic factor
- CR, caloric restriction
- CREB, cAMP-response-element-binding protein
- CaMK, Ca2+/calmodulin-dependent protein kinase
- ES, embryonic stem
- ETC, electron transport chain
- HD, Huntington's disease
- LRRK2, leucine-rich repeat kinase 2
- LTP, long-term potentiation
- MAPK, mitogen-activated protein kinase
- Mn-SOD, manganese superoxide dismutase
- NGF, nerve growth factor
- NMDA, N-methyl-d-aspartate
- Nrf1, nuclear respiratory factor 1
- OPA1, Optic Atrophy-1
- PD, Parkinson's disease
- PGC1α, peroxisome-proliferator-activated receptor γ co-activator 1α
- PINK1, PTEN (phosphatase and tensin homologue deleted on chromosome 10)-induced kinase 1
- PPAR, peroxisome-proliferator-activated receptor
- UCP, uncoupling protein
- mitochondria biogenesis
- mitochondria fission and fusion
- neural progenitor cell
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Affiliation(s)
- Aiwu Cheng
- *Laboratory of Neurosciences, National Institute of Aging Intramural Research Program, Baltimore, MD 21224, U.S.A
| | - Yan Hou
- *Laboratory of Neurosciences, National Institute of Aging Intramural Research Program, Baltimore, MD 21224, U.S.A
| | - Mark P Mattson
- *Laboratory of Neurosciences, National Institute of Aging Intramural Research Program, Baltimore, MD 21224, U.S.A
- †Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205, U.S.A
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Hoshi A, Yamamoto T, Shimizu K, Sugiura Y, Ugawa Y. Chemical preconditioning-induced reactive astrocytosis contributes to the reduction of post-ischemic edema through aquaporin-4 downregulation. Exp Neurol 2010; 227:89-95. [PMID: 20887723 DOI: 10.1016/j.expneurol.2010.09.016] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2010] [Revised: 09/14/2010] [Accepted: 09/21/2010] [Indexed: 01/08/2023]
Abstract
Aquaporins are a family of membrane proteins that promote the transmembrane diffusion of water. Aquaporin-4 (AQP4) is a predominant water channel protein in the brain and is concentrated in the end-feet of astrocytes. A critical question is what role astrocytic AQP4 plays in pathological conditions. Another matter to be elucidated is the relationship between morphological changes in astrocytes and AQP4 expression in such cases. We investigated the correlation between AQP4 expression and post-ischemic brain edema formation with astrocytic molecular markers after 3-nitropropionic acid (3NP) preconditioning. 3NP is a mitochondrial toxin, which can induce tolerance to ischemia at subtoxic levels. Rats were treated with 3NP at the tolerance-inducible and the non-tolerance-inducible stage (TS or NTS) before focal ischemia. The control group was injected with physiological saline. After ischemia, the hemispheric enlargement (HE) was volumetrically measured. Immunohistochemical and immunofluorescence analyses of AQP4, glial fibrillary acidic protein (GFAP), and glutamine synthetase (GS) were also conducted after the 3NP treatment and a vehicle was applied. HE was found to be significantly smaller in the TS group than in the vehicle group or the NTS group. The immunofluorescence analyses demonstrated that the AQP4 immunoreactivity in the cortex and striatum was significantly reduced in the TS group but not in the NTS group. In contrast, both GFAP expression and GS expression in the TS group were enhanced, with reactive astrocytosis. AQP4 downregulation in reactive astrocytosis may be one of the factors contributing to the role of 3NP preconditioning in attenuating post-ischemic edema.
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Affiliation(s)
- Akihiko Hoshi
- Department of Neurology, Fukushima Medical University, Fukushima, Japan.
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Kurz A, Double KL, Lastres-Becker I, Tozzi A, Tantucci M, Bockhart V, Bonin M, García-Arencibia M, Nuber S, Schlaudraff F, Liss B, Fernández-Ruiz J, Gerlach M, Wüllner U, Lüddens H, Calabresi P, Auburger G, Gispert S. A53T-alpha-synuclein overexpression impairs dopamine signaling and striatal synaptic plasticity in old mice. PLoS One 2010; 5:e11464. [PMID: 20628651 PMCID: PMC2898885 DOI: 10.1371/journal.pone.0011464] [Citation(s) in RCA: 103] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2010] [Accepted: 06/14/2010] [Indexed: 11/22/2022] Open
Abstract
Background Parkinson's disease (PD), the second most frequent neurodegenerative disorder at old age, can be caused by elevated expression or the A53T missense mutation of the presynaptic protein alpha-synuclein (SNCA). PD is characterized pathologically by the preferential vulnerability of the dopaminergic nigrostriatal projection neurons. Methodology/Principal Findings Here, we used two mouse lines overexpressing human A53T-SNCA and studied striatal dysfunction in the absence of neurodegeneration to understand early disease mechanisms. To characterize the progression, we employed young adult as well as old mice. Analysis of striatal neurotransmitter content demonstrated that dopamine (DA) levels correlated directly with the level of expression of SNCA, an observation also made in SNCA-deficient (knockout, KO) mice. However, the elevated DA levels in the striatum of old A53T-SNCA overexpressing mice may not be transmitted appropriately, in view of three observations. First, a transcriptional downregulation of the extraneural DA degradation enzyme catechol-ortho-methytransferase (COMT) was found. Second, an upregulation of DA receptors was detected by immunoblots and autoradiography. Third, extensive transcriptome studies via microarrays and quantitative real-time RT-PCR (qPCR) of altered transcript levels of the DA-inducible genes Atf2, Cb1, Freq, Homer1 and Pde7b indicated a progressive and genotype-dependent reduction in the postsynaptic DA response. As a functional consequence, long term depression (LTD) was absent in corticostriatal slices from old transgenic mice. Conclusions/Significance Taken together, the dysfunctional neurotransmission and impaired synaptic plasticity seen in the A53T-SNCA overexpressing mice reflect early changes within the basal ganglia prior to frank neurodegeneration. As a model of preclinical stages of PD, such insights may help to develop neuroprotective therapeutic approaches.
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Affiliation(s)
- Alexander Kurz
- Department of Neurology, Goethe University Medical School, Frankfurt, Germany
| | - Kay L. Double
- Neuroscience Research Australia and the University of New South Wales, Sydney, Australia
| | | | - Alessandro Tozzi
- Clinica Neurologica, Università di Perugia, Ospedale S. Maria della Misericordia, Perugia, Italy
- Fondazione Santa Lucia I.R.C.C.S.-C.E.R.C., European Brain Research Institute, Roma, Italy
| | - Michela Tantucci
- Clinica Neurologica, Università di Perugia, Ospedale S. Maria della Misericordia, Perugia, Italy
| | - Vanessa Bockhart
- Molecular Psychopharmacology, Department of Psychiatry, Johannes Gutenberg University, Mainz, Germany
| | - Michael Bonin
- Department Medical Genetics, University of Tübingen, Tübingen, Germany
| | - Moisés García-Arencibia
- Department of Biochemistry and Molecular Biology and “Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED)”, Faculty of Medicine, Complutense University, Madrid, Spain
| | - Silke Nuber
- Department of Medical Genetics, University of Tübingen, Tübingen, Germany
| | - Falk Schlaudraff
- Institute of General Physiology, University of Ulm, Ulm, Germany
| | - Birgit Liss
- Institute of General Physiology, University of Ulm, Ulm, Germany
| | - Javier Fernández-Ruiz
- Department of Biochemistry and Molecular Biology and “Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED)”, Faculty of Medicine, Complutense University, Madrid, Spain
| | - Manfred Gerlach
- Laboratory for Clinical Neurochemistry, Department Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Bayerische Julius-Maximilian-Universität, Würzburg, Germany
| | - Ullrich Wüllner
- Department of Neurology, Rheinische Friedrich Wilhelms Universität, Bonn, Germany
| | - Hartmut Lüddens
- Molecular Psychopharmacology, Department of Psychiatry, Johannes Gutenberg University, Mainz, Germany
| | - Paolo Calabresi
- Clinica Neurologica, Università di Perugia, Ospedale S. Maria della Misericordia, Perugia, Italy
- Fondazione Santa Lucia I.R.C.C.S.-C.E.R.C., European Brain Research Institute, Roma, Italy
| | - Georg Auburger
- Department of Neurology, Goethe University Medical School, Frankfurt, Germany
| | - Suzana Gispert
- Department of Neurology, Goethe University Medical School, Frankfurt, Germany
- * E-mail:
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MacAskill AF, Atkin TA, Kittler JT. Mitochondrial trafficking and the provision of energy and calcium buffering at excitatory synapses. Eur J Neurosci 2010; 32:231-40. [PMID: 20946113 DOI: 10.1111/j.1460-9568.2010.07345.x] [Citation(s) in RCA: 115] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Neuronal postsynaptic currents consume most of the brain's energy supply. Delineating how neurons control the distribution, morphology and function of the energy-producing mitochondria that fuel synaptic communication is therefore important for our understanding of nervous system function and pathology. Here we review recent insights into the molecular mechanisms that control activity-dependent regulation of mitochondrial trafficking, morphology and activity at excitatory synapses. We also consider some implications of this regulation for synaptic function and plasticity and discuss how this may contribute to synaptic dysfunction and signalling in neurological disease, with a focus on Alzheimer's disease.
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Affiliation(s)
- Andrew F MacAskill
- Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, London, UK
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40
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Calcium signalling-dependent mitochondrial dysfunction and bioenergetics regulation in respiratory chain Complex II deficiency. Cell Death Differ 2010; 17:1855-66. [PMID: 20489732 DOI: 10.1038/cdd.2010.51] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Despite advanced knowledge on the genetic basis of oxidative phosphorylation-related diseases, the molecular and/or cellular determinants for tissue-specific dysfunction are not completely understood. Here, we report the cellular events associated with mitochondrial respiratory Complex II deficiency occurring before cell death. Mutation or chronic inhibition of Complex II determined a large increase of basal and agonist-evoked Ca(2+) signals in the cytosol and the mitochondria, in parallel with mitochondrial dysfunction characterized by membrane potential (Δψ(mit)) loss, [ATP] reduction and increased reactive oxygen species production. Cytosolic and mitochondrial Ca(2+) overload are linked to increased endoplasmic reticulum (ER) Ca(2+) leakage, and to SERCA2b and PMCA proteasome-dependent degradation. Increased [Ca(2+)](mit) is also contributed by decreased mitochondrial motility and increased ER-mitochondria contact sites. Interestingly, increased intracellular [Ca(2+)] activated on the one hand a compensatory Ca(2+)-dependent glycolytic ATP production and determined on the second hand mitochondrial pathology. These results revealed the primary function for Ca(2+) signalling in the control of mitochondrial dysfunction and cellular bioenergetics outcomes linked to respiratory chain Complex II deficiency.
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41
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Kalonia H, Kumar P, Kumar A. Targeting oxidative stress attenuates malonic acid induced Huntington like behavioral and mitochondrial alterations in rats. Eur J Pharmacol 2010; 634:46-52. [DOI: 10.1016/j.ejphar.2010.02.031] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2009] [Revised: 01/29/2010] [Accepted: 02/14/2010] [Indexed: 11/28/2022]
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42
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Kim DY, Vallejo J, Rho JM. Ketones prevent synaptic dysfunction induced by mitochondrial respiratory complex inhibitors. J Neurochem 2010; 114:130-41. [PMID: 20374433 PMCID: PMC3532617 DOI: 10.1111/j.1471-4159.2010.06728.x] [Citation(s) in RCA: 78] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Ketones have previously shown beneficial effects in models of neurodegenerative disorders, particularly against associated mitochondrial dysfunction and cognitive impairment. However, evidence of a synaptic protective effect of ketones remains lacking. We tested the effects of ketones on synaptic impairment induced by mitochondrial respiratory complex (MRC) inhibitors using electrophysiological, reactive oxygen species (ROS) imaging and biochemical techniques. MRC inhibitors dose-dependently suppressed both population spike (PS) and field potential amplitudes in the CA1 hippocampus. Pre-treatment with ketones strongly prevented changes in the PS, whereas partial protection was seen in the field potential. Rotenone (Rot; 100 nmol/L), a MRC I inhibitor, suppressed synaptic function without altering ROS levels and PS depression by Rot was unaffected by antioxidants. In contrast, antioxidant-induced PS recovery against the MRC II inhibitor 3-nitropropionic acid (3-NP; 1 mmol/L) was similar to the synaptic protective effects of ketones. Ketones also suppressed ROS generation induced by 3-NP. Finally, ketones reversed the decreases in ATP levels caused by Rot and 3-NP. In summary, our data demonstrate that ketones can preserve synaptic function in CA1 hippocampus induced by MRC dysfunction, likely through an antioxidant action and enhanced ATP generation.
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Affiliation(s)
- Do Young Kim
- Barrow Neurological Institute and St. Joseph's Hospital & Medical Center, Phoenix, Arizona 85013, USA.
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Ben-Shachar D. The interplay between mitochondrial complex I, dopamine and Sp1 in schizophrenia. J Neural Transm (Vienna) 2010; 116:1383-96. [PMID: 19784753 DOI: 10.1007/s00702-009-0319-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2009] [Accepted: 09/14/2009] [Indexed: 12/15/2022]
Abstract
Schizophrenia is currently believed to result from variations in multiple genes, each contributing a subtle effect, which combines with each other and with environmental stimuli to impact both early and late brain development. At present, schizophrenia clinical heterogeneity as well as the difficulties in relating cognitive, emotional and behavioral functions to brain substrates hinders the identification of a disease-specific anatomical, physiological, molecular or genetic abnormality. Mitochondria play a pivotal role in many essential processes, such as energy production, intracellular calcium buffering, transmission of neurotransmitters, apoptosis and ROS production, all either leading to cell death or playing a role in synaptic plasticity. These processes have been well established as underlying altered neuronal activity and thereby abnormal neuronal circuitry and plasticity, ultimately affecting behavioral outcomes. The present article reviews evidence supporting a dysfunction of mitochondria in schizophrenia, including mitochondrial hypoplasia, impairments in the oxidative phosphorylation system (OXPHOS) as well as altered mitochondrial-related gene expression. Abnormalities in mitochondrial complex I, which plays a major role in controlling OXPHOS activity, are discussed. Among them are schizophrenia specific as well as disease-state-specific alterations in complex I activity in the peripheral tissue, which can be modulated by DA. In addition, CNS and peripheral abnormalities in the expression of three of complex I subunits, associated with parallel alterations in their transcription factor, specificity protein 1 (Sp1) are reviewed. Finally, this review discusses the question of disease specificity of mitochondrial pathologies and suggests that mitochondria dysfunction could cause or arise from anomalities in processes involved in brain connectivity.
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Affiliation(s)
- Dorit Ben-Shachar
- Laboratory of Psychobiology, Department of Psychiatry, Rambam Medical Center and Faculty of Medicine, Rappaport Family Institute for Research in the Medical Sciences, Technion IIT, Haifa, Israel.
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Costa C, Tozzi A, Luchetti E, Siliquini S, Belcastro V, Tantucci M, Picconi B, Ientile R, Calabresi P, Pisani F. Electrophysiological actions of zonisamide on striatal neurons: Selective neuroprotection against complex I mitochondrial dysfunction. Exp Neurol 2010; 221:217-24. [DOI: 10.1016/j.expneurol.2009.11.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2009] [Revised: 11/02/2009] [Accepted: 11/03/2009] [Indexed: 12/21/2022]
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Damiano M, Galvan L, Déglon N, Brouillet E. Mitochondria in Huntington's disease. Biochim Biophys Acta Mol Basis Dis 2010; 1802:52-61. [DOI: 10.1016/j.bbadis.2009.07.012] [Citation(s) in RCA: 201] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2009] [Revised: 07/31/2009] [Accepted: 07/31/2009] [Indexed: 11/16/2022]
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Lagoa R, Lopez-Sanchez C, Samhan-Arias AK, Gañan CM, Garcia-Martinez V, Gutierrez-Merino C. Kaempferol protects against rat striatal degeneration induced by 3-nitropropionic acid. J Neurochem 2009; 111:473-87. [DOI: 10.1111/j.1471-4159.2009.06331.x] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Tantucci M, Mariucci G, Taha E, Spaccatini C, Tozzi A, Luchetti E, Calabresi P, Ambrosini M. Induction of heat shock protein 70 reduces the alteration of striatal electrical activity caused by mitochondrial impairment. Neuroscience 2009; 163:735-40. [DOI: 10.1016/j.neuroscience.2009.06.070] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2009] [Revised: 06/26/2009] [Accepted: 06/29/2009] [Indexed: 12/21/2022]
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Gubellini P, Picconi B, Di Filippo M, Calabresi P. Downstream mechanisms triggered by mitochondrial dysfunction in the basal ganglia: from experimental models to neurodegenerative diseases. Biochim Biophys Acta Mol Basis Dis 2009; 1802:151-61. [PMID: 19683569 DOI: 10.1016/j.bbadis.2009.08.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2009] [Revised: 07/22/2009] [Accepted: 08/06/2009] [Indexed: 12/21/2022]
Abstract
Mitochondrial dysfunctions have been implicated in the cellular processes underlying several neurodegenerative disorders affecting the basal ganglia. These include Huntington's chorea and Parkinson's disease, two highly debilitating motor disorders for which recent research has also involved gene mutation linked to mitochondrial deficits. Experimental models of basal ganglia diseases have been developed by using toxins able to disrupt mitochondrial function: these molecules act by selectively inhibiting mitochondrial respiratory complexes, uncoupling cellular respiration. This in turn leads to oxidative stress and energy deficit that trigger critical downstream mechanisms, ultimately resulting in neuronal vulnerability and loss. Here we review the molecular and cellular downstream effects triggered by mitochondrial dysfunction, and the different experimental models that are obtained by the administration of selective mitochondrial toxins or by the expression of mutant genes.
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Affiliation(s)
- Paolo Gubellini
- Institut de Biologie du Développement de Marseille-Luminy (IBDML), UMR6216 (CNRS/Université de la Méditerranée), Marseille, France.
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Medina-Navarro R, Guerrero-Linares I. Whole body hyperthermia reduces oxidative stress in the striatum of rats in an animal model of mitochondrial toxicity with 3-nitropropionic acid. Int J Hyperthermia 2009; 25:280-8. [DOI: 10.1080/02656730902744387] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Moriguchi S, Han F, Shioda N, Yamamoto Y, Nakajima T, Nakagawasai O, Tadano T, Yeh JZ, Narahashi T, Fukunaga K. Nefiracetam activation of CaM kinase II and protein kinase C mediated by NMDA and metabotropic glutamate receptors in olfactory bulbectomized mice. J Neurochem 2009; 110:170-81. [DOI: 10.1111/j.1471-4159.2009.06122.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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