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Gómez‐Gálvez Y, Fuller HR, Synowsky S, Shirran SL, Gates MA. Quantitative proteomic profiling of the rat substantia nigra places glial fibrillary acidic protein at the hub of proteins dysregulated during aging: Implications for idiopathic Parkinson's disease. J Neurosci Res 2020; 98:1417-1432. [DOI: 10.1002/jnr.24622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/22/2020] [Accepted: 03/15/2020] [Indexed: 12/23/2022]
Affiliation(s)
- Yolanda Gómez‐Gálvez
- School of Pharmacy and Bioengineering Keele University Keele UK
- School of Medicine Keele University Keele UK
| | - Heidi R. Fuller
- School of Pharmacy and Bioengineering Keele University Keele UK
- Wolfson Centre for Inherited Neuromuscular Disease RJAH Orthopaedic Hospital Oswestry UK
| | - Silvia Synowsky
- BSRC Mass Spectrometry and Proteomics Facility University of St Andrews Fife UK
| | - Sally L. Shirran
- BSRC Mass Spectrometry and Proteomics Facility University of St Andrews Fife UK
| | - Monte A. Gates
- School of Pharmacy and Bioengineering Keele University Keele UK
- School of Medicine Keele University Keele UK
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Johnson TB, Cain JT, White KA, Ramirez-Montealegre D, Pearce DA, Weimer JM. Therapeutic landscape for Batten disease: current treatments and future prospects. Nat Rev Neurol 2019; 15:161-178. [PMID: 30783219 PMCID: PMC6681450 DOI: 10.1038/s41582-019-0138-8] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Batten disease (also known as neuronal ceroid lipofuscinoses) constitutes a family of devastating lysosomal storage disorders that collectively represent the most common inherited paediatric neurodegenerative disorders worldwide. Batten disease can result from mutations in 1 of 13 genes. These mutations lead to a group of diseases with loosely overlapping symptoms and pathology. Phenotypically, patients with Batten disease have visual impairment and blindness, cognitive and motor decline, seizures and premature death. Pathologically, Batten disease is characterized by lysosomal accumulation of autofluorescent storage material, glial reactivity and neuronal loss. Substantial progress has been made towards the development of effective therapies and treatments for the multiple forms of Batten disease. In 2017, cerliponase alfa (Brineura), a tripeptidyl peptidase enzyme replacement therapy, became the first globally approved treatment for CLN2 Batten disease. Here, we provide an overview of the promising therapeutic avenues for Batten disease, highlighting current FDA-approved clinical trials and prospective future treatments.
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Affiliation(s)
- Tyler B Johnson
- Pediatrics and Rare Diseases Group, Sanford Research, Sioux Falls, SD, USA
| | - Jacob T Cain
- Pediatrics and Rare Diseases Group, Sanford Research, Sioux Falls, SD, USA
| | - Katherine A White
- Pediatrics and Rare Diseases Group, Sanford Research, Sioux Falls, SD, USA
| | | | - David A Pearce
- Pediatrics and Rare Diseases Group, Sanford Research, Sioux Falls, SD, USA.
- Department of Pediatrics, Sanford School of Medicine at the University of South Dakota, Sioux Falls, SD, USA.
| | - Jill M Weimer
- Pediatrics and Rare Diseases Group, Sanford Research, Sioux Falls, SD, USA.
- Department of Pediatrics, Sanford School of Medicine at the University of South Dakota, Sioux Falls, SD, USA.
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3
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Stopnicki B, Blain M, Cui QL, Kennedy TE, Antel JP, Healy LM, Darlington PJ. Helper CD4 T cells expressing granzyme B cause glial fibrillary acidic protein fragmentation in astrocytes in an MHCII-independent manner. Glia 2018; 67:582-593. [PMID: 30444064 DOI: 10.1002/glia.23503] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 05/31/2018] [Accepted: 07/03/2018] [Indexed: 12/20/2022]
Abstract
During inflammatory processes of the central nervous system, helper T cells have the capacity to cross the blood-brain barrier and injure or kill neural cells through cytotoxic mechanisms. Glial fibrillary acidic protein (GFAP) is an intermediate filament protein that is part of the astrocyte cytoskeleton that can become fragmented in neuroinflammatory conditions. The mechanism of action by which helper T cells with cytotoxic properties injure astrocytes is not completely understood. Primary human astrocytes were obtained from fetal brain tissue. Human helper (CD4+ ) T cells were isolated from peripheral blood mononuclear cells and activated with the superantigen staphylococcal enterotoxin E (SEE). Granzyme B was detected by enzyme linked immunosorbent assay and intracellular flow cytometry. GFAP fragmentation was monitored by western blotting. Cell death was monitored by lactic acid dehydrogenase release and terminal biotin-dUTP nick labeling (TUNEL). Astrocyte migration was monitored by scratch assay. Adult human oligodendrocytes were cultured with sublethally injured astrocytes to determine support function. Helper T cells activated with SEE expressed granzyme B but not perforin. Helper T cells released granzyme B upon contact with astrocytes and caused GFAP fragmentation in a caspase-dependent, MHCII-independent manner. Sublethally injured astrocytes were not apoptotic; however, their processes were thin and elongated, their migration was attenuated, and their ability to support oligodendrocytes was reduced in vitro. Helper T cells can release granzyme B causing sublethal injury to astrocytes, which compromises the supportive functions of astrocytes. Blocking these pathways may lead to improved resolution of neuroinflammatory lesions.
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Affiliation(s)
- Brandon Stopnicki
- Department of Exercise Science, Department of Biology, PERFORM Centre, Concordia University, Montréal, Quebec, Canada
| | - Manon Blain
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, and McGill University, Montreal, Quebec, Canada.,Neuroimmunology Unit, McGill University, Montréal, Quebec, Canada
| | - Qiao-Ling Cui
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, and McGill University, Montreal, Quebec, Canada.,Neuroimmunology Unit, McGill University, Montréal, Quebec, Canada
| | - Timothy E Kennedy
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, and McGill University, Montreal, Quebec, Canada
| | - Jack P Antel
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, and McGill University, Montreal, Quebec, Canada.,Neuroimmunology Unit, McGill University, Montréal, Quebec, Canada
| | - Luke M Healy
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, and McGill University, Montreal, Quebec, Canada.,Neuroimmunology Unit, McGill University, Montréal, Quebec, Canada
| | - Peter J Darlington
- Department of Exercise Science, Department of Biology, PERFORM Centre, Concordia University, Montréal, Quebec, Canada
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4
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Caporali P, Bruno F, Palladino G, Dragotto J, Petrosini L, Mangia F, Erickson RP, Canterini S, Fiorenza MT. Developmental delay in motor skill acquisition in Niemann-Pick C1 mice reveals abnormal cerebellar morphogenesis. Acta Neuropathol Commun 2016; 4:94. [PMID: 27586038 PMCID: PMC5009663 DOI: 10.1186/s40478-016-0370-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Accepted: 08/18/2016] [Indexed: 12/11/2022] Open
Abstract
Niemann-Pick type C1 (NPC1) disease is a lysosomal storage disorder caused by defective intracellular trafficking of exogenous cholesterol. Purkinje cell (PC) degeneration is the main sign of cerebellar dysfunction in both NPC1 patients and animal models. It has been recently shown that a significant decrease in Sonic hedgehog (Shh) expression reduces the proliferative potential of granule neuron precursors in the developing cerebellum of Npc1−/− mice. Pursuing the hypothesis that this developmental defect translates into functional impairments, we have assayed Npc1-deficient pups belonging to the milder mutant mouse strain Npc1nmf164 for sensorimotor development from postnatal day (PN) 3 to PN21. Npc1nmf164/ Npc1nmf164 pups displayed a 2.5-day delay in the acquisition of complex motor abilities compared to wild-type (wt) littermates, in agreement with the significant disorganization of cerebellar cortex cytoarchitecture observed between PN11 and PN15. Compared to wt, Npc1nmf164 homozygous mice exhibited a poorer morphological differentiation of Bergmann glia (BG), as indicated by thicker radial shafts and less elaborate reticular pattern of lateral processes. Also BG functional development was defective, as indicated by the significant reduction in GLAST and Glutamine synthetase expression. A reduced VGluT2 and GAD65 expression also indicated an overall derangement of the glutamatergic/GABAergic stimulation that PCs receive by climbing/parallel fibers and basket/stellate cells, respectively. Lastly, Npc1-deficiency also affected oligodendrocyte differentiation as indicated by the strong reduction of myelin basic protein. Two sequential 2-hydroxypropyl-β-cyclodextrin administrations at PN4 and PN7 counteract these defects, partially preventing functional impairment of BG and fully restoring the normal patterns of glutamatergic/GABAergic stimulation to PCs. These findings indicate that in Npc1nmf164 homozygous mice the derangement of synaptic connectivity and dysmyelination during cerebellar morphogenesis largely anticipate motor deficits that are typically observed during adulthood.
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Caspase 3 involves in neuroplasticity, microglial activation and neurogenesis in the mice hippocampus after intracerebral injection of kainic acid. J Biomed Sci 2013; 20:90. [PMID: 24313976 PMCID: PMC4028745 DOI: 10.1186/1423-0127-20-90] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Accepted: 12/02/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The roles of caspase 3 on the kainic acid-mediated neurodegeneration, dendritic plasticity alteration, neurogenesis, microglial activation and gliosis are not fully understood. Here, we investigate hippocampal changes using a mouse model that receive a single kainic acid-intracerebral ventricle injection. The effects of caspase 3 inhibition on these changes were detected during a period of 1 to 7 days post kainic acid injection. RESULT Neurodegeneration was assessed by Fluoro-Jade B staining and neuronal nuclei protein (NeuN) immunostaining. Neurogenesis, gliosis, neuritic plasticity alteration and caspase 3 activation were examined using immunohistochemistry. Dendritic plasticity, cleavvage-dependent activation of calcineurin A and glial fibrillary acidic protein cleavage were analyzed by immunoblotting. We found that kainic acid not only induced neurodegeneration but also arouse several caspase 3-mediated molecular and cellular changes including dendritic plasticity, neurogenesis, and gliosis. The acute caspase 3 activation occurred in pyramidal neurons as well as in hilar interneurons. The delayed caspase 3 activation occurred in astrocytes. The co-injection of caspase 3 inhibitor did not rescue kainic acid-mediated neurodegeneration but seriously and reversibly disturb the structural integrity of axon and dendrite. The kainic acid-induced events include microglia activation, the proliferation of radial glial cells, neurogenesis, and calcineurin A cleavage were significantly inhibited by the co-injection of caspase 3 inhibitor, suggesting the direct involvement of caspase 3 in these events. Alternatively, the kainic acid-mediated astrogliosis is not caspase 3-dependent, although caspase 3 cleavage of glial fibrillary acidic protein occurred. CONCLUSIONS Our results provide the first direct evidence of a causal role of caspase 3 activation in the cellular changes during kainic acid-mediated excitotoxicity. These findings may highlight novel pharmacological strategies to arrest disease progression and control seizures that are refractory to classical anticonvulsant treatment.
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Pandya RS, Zhu H, Li W, Bowser R, Friedlander RM, Wang X. Therapeutic neuroprotective agents for amyotrophic lateral sclerosis. Cell Mol Life Sci 2013; 70:4729-45. [PMID: 23864030 PMCID: PMC4172456 DOI: 10.1007/s00018-013-1415-0] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Revised: 06/06/2013] [Accepted: 06/24/2013] [Indexed: 02/06/2023]
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal chronic neurodegenerative disease whose hallmark is proteinaceous, ubiquitinated, cytoplasmic inclusions in motor neurons and surrounding cells. Multiple mechanisms proposed as responsible for ALS pathogenesis include dysfunction of protein degradation, glutamate excitotoxicity, mitochondrial dysfunction, apoptosis, oxidative stress, and inflammation. It is therefore essential to gain a better understanding of the underlying disease etiology and search for neuroprotective agents that might delay disease onset, slow progression, prolong survival, and ultimately reduce the burden of disease. Because riluzole, the only Food and Drug Administration (FDA)-approved treatment, prolongs the ALS patient's life by only 3 months, new therapeutic agents are urgently needed. In this review, we focus on studies of various small pharmacological compounds targeting the proposed pathogenic mechanisms of ALS and discuss their impact on disease progression.
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Affiliation(s)
- Rachna S. Pandya
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115 USA
| | - Haining Zhu
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, KY 40536 USA
| | - Wei Li
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115 USA
| | - Robert Bowser
- Division of Neurobiology, Barrow Neurological Institute, Phoenix, AZ 85013 USA
| | - Robert M. Friedlander
- Department of Neurosurgery, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213 USA
| | - Xin Wang
- Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115 USA
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Basso M, Pozzi S, Tortarolo M, Fiordaliso F, Bisighini C, Pasetto L, Spaltro G, Lidonnici D, Gensano F, Battaglia E, Bendotti C, Bonetto V. Mutant copper-zinc superoxide dismutase (SOD1) induces protein secretion pathway alterations and exosome release in astrocytes: implications for disease spreading and motor neuron pathology in amyotrophic lateral sclerosis. J Biol Chem 2013; 288:15699-711. [PMID: 23592792 PMCID: PMC3668729 DOI: 10.1074/jbc.m112.425066] [Citation(s) in RCA: 196] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Amyotrophic lateral sclerosis is the most common motor neuron disease and is still incurable. The mechanisms leading to the selective motor neuron vulnerability are still not known. The interplay between motor neurons and astrocytes is crucial in the outcome of the disease. We show that mutant copper-zinc superoxide dismutase (SOD1) overexpression in primary astrocyte cultures is associated with decreased levels of proteins involved in secretory pathways. This is linked to a general reduction of total secreted proteins, except for specific enrichment in a number of proteins in the media, such as mutant SOD1 and valosin-containing protein (VCP)/p97. Because there was also an increase in exosome release, we can deduce that astrocytes expressing mutant SOD1 activate unconventional secretory pathways, possibly as a protective mechanism. This may help limit the formation of intracellular aggregates and overcome mutant SOD1 toxicity. We also found that astrocyte-derived exosomes efficiently transfer mutant SOD1 to spinal neurons and induce selective motor neuron death. We conclude that the expression of mutant SOD1 has a substantial impact on astrocyte protein secretion pathways, contributing to motor neuron pathology and disease spread.
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8
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Melatonin inhibits the caspase-1/cytochrome c/caspase-3 cell death pathway, inhibits MT1 receptor loss and delays disease progression in a mouse model of amyotrophic lateral sclerosis. Neurobiol Dis 2013; 55:26-35. [PMID: 23537713 DOI: 10.1016/j.nbd.2013.03.008] [Citation(s) in RCA: 96] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Revised: 02/21/2013] [Accepted: 03/14/2013] [Indexed: 11/24/2022] Open
Abstract
Caspase-mediated cell death contributes to the pathogenesis of motor neuron degeneration in the mutant SOD1(G93A) transgenic mouse model of amyotrophic lateral sclerosis (ALS), along with other factors such as inflammation and oxidative damage. By screening a drug library, we found that melatonin, a pineal hormone, inhibited cytochrome c release in purified mitochondria and prevented cell death in cultured neurons. In this study, we evaluated whether melatonin would slow disease progression in SOD1(G93A) mice. We demonstrate that melatonin significantly delayed disease onset, neurological deterioration and mortality in ALS mice. ALS-associated ventral horn atrophy and motor neuron death were also inhibited by melatonin treatment. Melatonin inhibited Rip2/caspase-1 pathway activation, blocked the release of mitochondrial cytochrome c, and reduced the overexpression and activation of caspase-3. Moreover, for the first time, we determined that disease progression was associated with the loss of both melatonin and the melatonin receptor 1A (MT1) in the spinal cord of ALS mice. These results demonstrate that melatonin is neuroprotective in transgenic ALS mice, and this protective effect is mediated through its effects on the caspase-mediated cell death pathway. Furthermore, our data suggest that melatonin and MT1 receptor loss may play a role in the pathological phenotype observed in ALS. The above observations indicate that melatonin and modulation of Rip2/caspase-1/cytochrome c or MT1 pathways may be promising therapeutic approaches for ALS.
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9
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Use of model organisms for the study of neuronal ceroid lipofuscinosis. Biochim Biophys Acta Mol Basis Dis 2013; 1832:1842-65. [PMID: 23338040 DOI: 10.1016/j.bbadis.2013.01.009] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Revised: 01/07/2013] [Accepted: 01/08/2013] [Indexed: 12/26/2022]
Abstract
Neuronal ceroid lipofuscinoses are a group of fatal progressive neurodegenerative diseases predominantly affecting children. Identification of mutations that cause neuronal ceroid lipofuscinosis, and subsequent functional and pathological studies of the affected genes, underpins efforts to investigate disease mechanisms and identify and test potential therapeutic strategies. These functional studies and pre-clinical trials necessitate the use of model organisms in addition to cell and tissue culture models as they enable the study of protein function within a complex organ such as the brain and the testing of therapies on a whole organism. To this end, a large number of disease models and genetic tools have been identified or created in a variety of model organisms. In this review, we will discuss the ethical issues associated with experiments using model organisms, the factors underlying the choice of model organism, the disease models and genetic tools available, and the contributions of those disease models and tools to neuronal ceroid lipofuscinosis research. This article is part of a Special Issue entitled: The Neuronal Ceroid Lipofuscinoses or Batten Disease.
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10
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Perez JL, Carrero I, Gonzalo P, Arevalo-Serrano J, Sanz-Anquela JM, Ortega J, Rodriguez M, Gonzalo-Ruiz A. Soluble oligomeric forms of beta-amyloid (Abeta) peptide stimulate Abeta production via astrogliosis in the rat brain. Exp Neurol 2009; 223:410-21. [PMID: 19879263 DOI: 10.1016/j.expneurol.2009.10.013] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2009] [Revised: 09/29/2009] [Accepted: 10/17/2009] [Indexed: 10/20/2022]
Abstract
The aim of this study was to investigate the interaction between beta-amyloid (Abeta) peptide and astrogliosis in early stages of Abeta toxicity. In Wistar rats, anaesthetised with equitesine, a single microinjection of Abeta1-42 oligomers was placed into the retrosplenial cortex. Control animals were injected with Abeta42-1 peptide into the corresponding regions of cerebral cortex. Immunocytochemical analysis revealed an intense Abeta immunoreactivity (IR) at the level of Abeta1-42 injection site, increasing from the first 24 h to later (72 h) time point. Control injection showed a light staining surrounding the injection site. In Abeta oligomers-treated animals, Abeta-immunopositive product also accumulates in cortical cells, particularly in frontal and temporal cortices at an early (24 h) time point. Abeta-IR structures-like diffuse aggregates forms were also observed in hippocampus and in several cortical areas, increasing from the first 24 h to later (72 h) time point. In control animals no specific staining was seen neither in cortical cells nor in structures-like diffuse aggregates forms. Injections of Abeta oligomers also induce activation of astrocytes surrounding and infiltrating the injection site. Astrocyte activation is evidenced by morphological changes and upregulation of glial fibrillary acidic protein (GFAP). By GFAP immunoblotting we detected two immunopositive protein bands, at 50 and 48 kDa molecular mass. Confocal analysis also showed that GFAP co-localized with Abeta-IR material in a time-dependent manner. In conclusion, our results indicate that astrocyte activation might have a critical role in the mechanisms of Abeta-induced neurodegeneration, and that should be further studied as possible targets for therapeutic intervention in AD.
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Affiliation(s)
- J L Perez
- Laboratory of Neuroanatomy, Institute of Neuroscience of Castilla and León, Valladolid University (Campus of Soria), Spain
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11
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Notturno F, Capasso M, Delauretis A, Carpo M, Uncini A. Glial fibrillary acidic protein as a marker of axonal damage in chronic neuropathies. Muscle Nerve 2009; 40:50-4. [DOI: 10.1002/mus.21323] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Rite I, Argüelles S, Venero JL, García-Rodriguez S, Ayala A, Cano J, Machado A. Proteomic identification of biomarkers in the cerebrospinal fluid in a rat model of nigrostriatal dopaminergic degeneration. J Neurosci Res 2007; 85:3607-18. [PMID: 17705290 DOI: 10.1002/jnr.21452] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
We have performed proteomic analysis in the cerebrospinal fluid in an animal model of Parkinson's disease induced by axotomy of the medial forebrain bundle. In this model, the degeneration of dopaminergic neurons was completed in 14 days, with a loss of about 50% dopaminergic neurons in the substantia nigra and a loss of more than 80% dopamine terminals in the striatum, with a similar diminution of dopamine levels in both structures. Proteins were separated by 2D electrophoresis and identified by matrix-assisted laser desorption-ionization time-of-flight (MALDI-TOF). We found significant increases of haptoglobin and transthyretin along with a decrease of Apo E concentrations in the cerebrospinal fluid of axotomized animals. Changes for haptoglobin and transthyretin were further confirmed in cerebrospinal fluid and plasma by Western blotting. These results suggest that monitoring plasma levels of these signals appears to be a promising biological marker of neuronal degeneration of the nigrostriatal dopaminergic system.
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Affiliation(s)
- I Rite
- Departamento de Bioquímica, Bromatología y Toxicología, Facultad de Farmacia, Universidad de Sevilla, C/Prof. Garcia Gonzalez 2, Seville, Spain
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Muntané G, Dalfó E, Martínez A, Rey MJ, Avila J, Pérez M, Portero M, Pamplona R, Ayala V, Ferrer I. Glial fibrillary acidic protein is a major target of glycoxidative and lipoxidative damage in Pick's disease. J Neurochem 2006; 99:177-85. [PMID: 16987245 DOI: 10.1111/j.1471-4159.2006.04032.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Pick's disease is a subset of fronto-temporal dementia characterised by severe atrophy of the temporal and frontal lobes due to marked neuronal loss accompanied by astrocytic gliosis enriched in glial acidic protein. The remaining neurones have intracytoplasmic inclusions composed of hyperphosphorylated tau, called Pick bodies, in addition to hyperphosphorylated tau in astrocytes and oligodendrocytes. Gel electrophoresis and western blotting using markers of glycoxidation (advanced glycation end products, N-carboxyethyl-lysine and N-carboxymethyl-lysine: AGE, CEL, CML, respectively) and lipoxidation (4-hydroxy-2-nonenal: HNE, and malondialdehyde-lysine: MDAL) were used in the frontal and occipital cortex in three Pick's disease cases and three age-matched controls. In Pick's disease, increased AGE, CML, CEL, HNE and MDAL bands of about 50 kDa were observed in the frontal cortex (but not in the occipital cortex) in association with increased density of glial acidic protein bands. Bi-dimensional gel electrophoresis and western blotting also disclosed increased amounts and numbers of glial acidic protein isoforms in the frontal cortex in Pick's disease. Moreover, redox proteomics showed glycoxidation, as revealed with anti-CEL antibodies and lipoxidation using anti-HNE antibodies, of at least three glial acidic protein isoforms. The present results demonstrate that glial acidic protein is a target of oxidative damage in the frontal cortex in Pick's disease.
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Affiliation(s)
- G Muntané
- Institut de Neuropatologia, Servei Anatomia Patològica, IDIBELL-Hospital Universitari de Bellvitge, Universitat de Barcelona, Hospitalet de Llobregat, Barcelona, Spain
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14
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Gray BC, Skipp P, O'Connor VM, Perry VH. Increased expression of glial fibrillary acidic protein fragments and mu-calpain activation within the hippocampus of prion-infected mice. Biochem Soc Trans 2006; 34:51-4. [PMID: 16417481 DOI: 10.1042/bst0340051] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Prion diseases are characteristically accompanied by marked astrocytic activation, which is initiated relatively early in the disease process. Using the intracerebrally injected ME7 strain of prion agent to model disease, we identified an expected increase in GFAP (glial fibrillary acidic protein) but additionally noted an accumulation of GFAP cleavage fragments in hippocampal homogenates. A time-dependent increase in hippocampal mu-calpain immunoreactivity within astrocytes suggests that its proteolytic activity may account for the cleavage of GFAP that is observed in the ME7 model. It may therefore contribute to the reactive gliosis that is characteristic of prion diseases.
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Affiliation(s)
- B C Gray
- Neurosciences Group, School of Biological Sciences, University of Southampton, Southampton SO16 7PX, UK.
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15
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Mennini T, Bigini P, Cagnotto A, Carvelli L, Di Nunno P, Fumagalli E, Tortarolo M, Buurman WA, Ghezzi P, Bendotti C. Glial activation and TNFR-I upregulation precedes motor dysfunction in the spinal cord of mnd mice. Cytokine 2004; 25:127-35. [PMID: 14698139 DOI: 10.1016/j.cyto.2003.10.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Mice homozygous for the spontaneous motor neuron degeneration mutation (mnd) show at the age of 8 months a marked impairment of the motor function and accumulation of lipofuscin granules in the cytoplasm of almost all neurons of the central nervous system. We previously reported a significant increase in GFAP protein levels in the lumbar spinal cord homogenates by western blot analysis and upregulation of TNF, a proinflammatory cytokine, in the motor neurons of lumbar spinal cord of mnd mice, already in a presymptomatic stage (4 months of age). In the present study, using immunohistochemical analysis, we performed a time course in mnd mice (1, 4 and 9 months of age) evaluating the expression and the distribution of astroglial and microglial cells and the expression of both TNF receptors, TNFR-I and TNFR-II. We observed a marked increase in astroglial and microglial cells and in TNFR-I immunoreactivity already at the 4th month. Since motor neuron dysfunction occurs in mnd mice in the absence of evident loss of spinal motor neurons, the present results indicate that the activation of microglial cells and astrocytes is independent from neuronal degeneration. The role of TNF and TNFR-I on motor neurons is still to be demonstrated.
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MESH Headings
- Age Factors
- Animals
- Antigens, CD/analysis
- Antigens, CD/metabolism
- Astrocytes/chemistry
- Astrocytes/cytology
- Astrocytes/metabolism
- CD11b Antigen/analysis
- Gene Expression/genetics
- Glial Fibrillary Acidic Protein/analysis
- Glial Fibrillary Acidic Protein/genetics
- Immunohistochemistry
- In Situ Hybridization
- Male
- Mice
- Mice, Inbred C57BL
- Mice, Neurologic Mutants
- Microglia/chemistry
- Microglia/cytology
- Motor Neuron Disease/etiology
- Motor Neuron Disease/physiopathology
- Motor Neurons/chemistry
- Neuroglia/chemistry
- Neuroglia/cytology
- Neuroglia/metabolism
- Plant Lectins/analysis
- Receptors, Tumor Necrosis Factor/analysis
- Receptors, Tumor Necrosis Factor/metabolism
- Receptors, Tumor Necrosis Factor, Type I
- Receptors, Tumor Necrosis Factor, Type II
- Spinal Cord/metabolism
- Spinal Cord/pathology
- Spinal Cord/physiopathology
- Up-Regulation/genetics
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Affiliation(s)
- Tiziana Mennini
- Department Molecular Biochemistry and Pharmacology, Mario Negri Institute for Pharmacological Research, Via Eritrea, 62, 20157, Milan, Italy.
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Mennini T, Bigini P, Ravizza T, Vezzani A, Calvaresi N, Tortarolo M, Bendotti C. Expression of glutamate receptor subtypes in the spinal cord of control and mnd mice, a model of motor neuron disorder. J Neurosci Res 2002; 70:553-60. [PMID: 12404509 DOI: 10.1002/jnr.10420] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We studied the expression and distribution of glutamate receptor subtypes in the spinal cord of mnd mice, a model of motor neuron disorders and neuronal ceroid lipofuscinosis, and control mice using immunocytochemistry and in situ hybridization. The constitutive subunit of the NMDA ionotropic glutamate receptor, NMDAR1, was expressed in all neurons of the grey matter and was not modified in the spinal cord of mnd mice in either its normal or phosphorylated form. The immunoreactivity of GluR2, but not its mRNA, was increased mainly in the substantia gelatinosa both in presymptomatic and in 8-month-old symptomatic mice, suggesting compensatory changes aimed at reducing the Ca2+ permeability of the receptor channel. In spinal cord of mnd mice, mRNA, and protein levels of GluR3 were low only at the symptomatic stage, possibly as a consequence of motor neuron dysfunction. This was not due to motoneuron degeneration, because the number of choline acetyltransferase (ChAT) immunopositive lumbar motor neurons and the ChAT activity in the spinal cord and hind leg muscles of symptomatic mnd mice were no different from control mice. GluR4 mRNA was increased throughout the grey matter, presumably in relation to the marked microglia activation reported in the grey matter of the lumbar spinal cord in mnd mice. These changes in ionotropic glutamate receptors may alter glutamatergic neurotransmission and play some role in the pathology of mnd mice.
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MESH Headings
- Animals
- Cell Count
- Choline O-Acetyltransferase/biosynthesis
- Disease Models, Animal
- Immunohistochemistry
- In Situ Hybridization
- Mice
- Mice, Neurologic Mutants
- Motor Neuron Disease/metabolism
- Motor Neuron Disease/pathology
- Motor Neurons/metabolism
- Motor Neurons/pathology
- Muscle, Skeletal/innervation
- Muscle, Skeletal/pathology
- Neuronal Ceroid-Lipofuscinoses/metabolism
- Neuronal Ceroid-Lipofuscinoses/pathology
- RNA, Messenger/biosynthesis
- Receptors, AMPA/biosynthesis
- Receptors, AMPA/genetics
- Receptors, Glutamate/biosynthesis
- Receptors, Glutamate/genetics
- Receptors, N-Methyl-D-Aspartate/biosynthesis
- Receptors, N-Methyl-D-Aspartate/genetics
- Spinal Cord/metabolism
- Spinal Cord/pathology
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Affiliation(s)
- Tiziana Mennini
- Istituto di Ricerche Farmacologiche Mario Negri, Milano, Italy.
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17
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Abstract
We studied the role of glutamate excitotoxicity in motor neuron degeneration in the wobbler mouse (wr/wr), a model of amyotrophic lateral sclerosis and spinal muscular atrophies. Choline acetyltransferase (ChAT) activity was decreased in the cervical spinal cord and in the muscles innervated by nerves originating in this region of wobbler mice, but no differences were found in the lumbar spinal cord and in the hindleg muscles. Glial fibrillar acid protein (GFAP), a marker of reactive gliosis, was significantly higher in the cervical spinal cord of wobbler mice aged 4 weeks than in controls and the differences were more marked at 12 weeks; no differences were found in the lumbar spinal cord. In spite of this selective degeneration of motor neurons (resulting in strong decrease in the neuronal glutamate transporter EAAC1) and reactive gliosis in the cervical spinal cord, the levels of the glial glutamate transporter proteins GLT-1 and GLAST were similar in wobbler and control mice. Plasma concentrations of excitatory amino acids were no different at any time examined. Our results exclude the involvement of decrease in glutamate GLT 1 transporter in the motor neuron degeneration in wobbler mice.
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Affiliation(s)
- P Bigini
- Laboratory of Receptor Pharmacology, Istituto di Ricerche Farmacologiche Mario Negri, Via Eritrea 62, 20157 Milano, Italy
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18
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Johnston-Wilson NL, Sims CD, Hofmann JP, Anderson L, Shore AD, Torrey EF, Yolken RH. Disease-specific alterations in frontal cortex brain proteins in schizophrenia, bipolar disorder, and major depressive disorder. The Stanley Neuropathology Consortium. Mol Psychiatry 2000; 5:142-9. [PMID: 10822341 DOI: 10.1038/sj.mp.4000696] [Citation(s) in RCA: 379] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Severe psychiatric disorders such as schizophrenia, bipolar disorder and major depressive disorder are brain diseases of unknown origin. No biological marker has been documented at the pathological, cellular, or molecular level, suggesting that a number of complex but subtle changes underlie these illnesses. We have used proteomic technology to survey postmortem tissue to identify changes linked to the various diseases. Proteomics uses two-dimensional gel electrophoresis and mass spectrometric sequencing of proteins to allow the comparison of subsets of expressed proteins among a large number of samples. This form of analysis was combined with a multivariate statistical model to study changes in protein levels in 89 frontal cortices obtained postmortem from individuals with schizophrenia, bipolar disorder, major depressive disorder, and non-psychiatric controls. We identified eight protein species that display disease-specific alterations in level in the frontal cortex. Six show decreases compared with the non-psychiatric controls for one or more diseases. Four of these are forms of glial fibrillary acidic protein (GFAP), one is dihydropyrimidinase-related protein 2, and the sixth is ubiquinone cytochrome c reductase core protein 1. Two spots, carbonic anhydrase 1 and fructose biphosphate aldolase C, show increase in one or more diseases compared to controls. Proteomic analysis may identify novel pathogenic mechanisms of human neuropsychiatric diseases.
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Affiliation(s)
- N L Johnston-Wilson
- Stanley Division of Developmental Neurovirology, Johns Hopkins University, Baltimore, MD 21287-4933, USA.
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19
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González Deniselle MC, Lavista-Llanos S, Ferrini MG, Lima AE, Roldán AG, De Nicola AF. In vitro differences between astrocytes of control and wobbler mice spinal cord. Neurochem Res 1999; 24:1535-41. [PMID: 10591403 DOI: 10.1023/a:1021199931682] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The Wobbler mouse, a model of amyotrophic lateral sclerosis (ALS), presents motorneuron degeneration and pronounced astrogliosis in the spinal cord. We have studied factors controlling astrocyte proliferation in cultures derived from Wobbler and control mice spinal cord. Basal rate of [3H]thymidine incorporation was 15 times lower in Wobbler astrocytes. While in control cultured cells interleukin-1alpha (IL-1) and corticosterone (CORT) significantly increased proliferation, both agents were inactive in Wobbler astrocytes. The lack of response to CORT was not due to the absence of glucocorticoid receptors, because similar receptor amounts were found in Wobbler and control astrocytes. In contrast to IL-1 and CORT, transforming growth factor-beta1 (TGF-beta1) substantially increased proliferation of Wobbler astrocytes but not of control cells. Differences in response to TGF-beta1 were also obtained by measuring glial fibrillary acidic protein (GFAP) immunoreaction intensity, which was substantially higher in Wobbler astrocytes. Thus, abnormal responses to different mitogens characterized Wobbler astrocytes in culture. We suggest that TGF-beta1 may play a role in the reactive gliosis and GFAP hyperexpression found in the degenerating spinal cord of this model of ALS.
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Mennini T, Cagnotto A, Carvelli L, Comoletti D, Manzoni C, Muzio V, Rizzi M, Vezzani A. Biochemical and pharmacological evidence of a functional role of AMPA receptors in motor neuron dysfunction in mnd mice. Eur J Neurosci 1999; 11:1705-10. [PMID: 10215924 DOI: 10.1046/j.1460-9568.1999.00588.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We studied ionotropic glutamate receptor subtypes and the effect of chronic treatment with NBQX [6-nitro-7-sulphamoyl-benzo(F)quinoxaline-2,3-dione], a selective (rs)-alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA) receptor antagonist, in the spinal cord of mnd mice. NBQX (8 mg/kg daily i.p. for 3 weeks starting from 24 weeks old) significantly improved the behavioural scores (hind leg extension reflex, cage rung grasping and gait) in mnd mice, measured after the last drug injection, and increased the number of mice with 'normal' gait (from 50% to 90%, P < 0.05). Receptor binding autoradiography of the competitive N-methyl-D-aspartate (NMDA) antagonist, [3H]CGP 39653, of [3H]AMPA and [3H]kainic acid in spinal cord sections, measured after 1 week of drug washout, were not significantly different in control and mnd mice, and were not modified by NBQX. GluR2/3 immunoreactivity, assessed using Western blotting, was significantly enhanced (by 59%, P < 0.01) in the spinal cord but not in the brain of 28-week-old mnd mice compared to age-matched control mice. NBQX treatment increased GluR2/3 immunoreactivity in the spinal cord of control mice and mnd mice by 327 +/- 74% (P < 0.01) and 212 +/- 52% (P < 0.01), respectively. The changes in GluR2/3 subunits may involve adaptive mechanisms of the receptor and play some role in the protective effect of NBQX. These findings suggest that selective antagonism of ionotropic non-NMDA receptors may be of value in the treatment of motor neuron disease.
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Affiliation(s)
- T Mennini
- Istituto di ricerche Farmacologiche Mario Negri, Milan, Italy.
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21
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Abstract
The neuronal ceroid lipofuscinoses (NCLs, also known as Batten disease) are the most common childhood neurodegenerative disease. They are a group of inherited neurodegenerative disorders characterized by the accumulation of autofluorescent storage material in many cell types. Clinical features include seizures, psychomotor deterioration, and blindness, the ages and order of onset of which differ for each NCL type. An increasing number of subtypes caused by mutations in different genes are now recognized. With the advent of molecular genetics the basic genetic defect underlying each NCL phenotype is being determined, thus shedding light on the molecular basis of the NCLs and opening the way for the development of effective treatment. Four genes have been identified to date. The function of two of these is known and suggests that the primary defect in the NCLs lies in lysosomal proteolysis, the first example of this type of disease. However, since the function of the other two genes remains elusive, and at least four more genes remain to be identified, the molecular basis underlying the NCLs may be more complex than originally predicted.
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Affiliation(s)
- S E Mole
- Department of Paediatrics, University College London Medical School, United Kingdom
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Nagata Y, Fujita K, Yamauchi M, Kato T, Ando M, Honda M. Neurochemical changes in the spinal cord in degenerative motor neuron diseases. MOLECULAR AND CHEMICAL NEUROPATHOLOGY 1998; 33:237-47. [PMID: 9642676 DOI: 10.1007/bf02815185] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Human amyotrophic lateral sclerosis (ALS), a typical motor neuron disease, is characterized pathologically by selective degenerative loss of motoneurons in the CNS. We have demonstrated significant reductions of neurotransmitter-related factors, such as acetylcholine-(ACh)-synthesizing enzyme activity and glutamate and aspartate contents in the ALS, compared to the non-ALS spinal cord obtained at autopsy. We have also shown considerable reductions in activities of cytochrome-c oxidase (CO), an enzyme contributing to aerobic energy production, and transglutaminase (TG), a Ca(2+)-dependent marker enzyme for tissue degeneration, in the ALS spinal cord. We found marked increases in fragmented glial fibrillary acidic protein (GFAP), a filamentous protein specifically associated with reactive astrocytes, in the ALS spinal cord relative to non-ALS tissue. These biochemical results corresponded well to pathomor-phological neuronal degenerative loss and reactive proliferation of astroglial components in the ALS spinal cord tissue. However, these results only indicate the final pathological and biochemical outcomes of ALS, and it is difficult to follow up cause and process in the ALS spinal cord during progression of the disease. Therefore, we used an animal model closely resembling human ALS, motor neuron degeneration (Mnd) mutant mice, a subline of C57BL/6 that shows late-onset progressive degeneration of lower motor neurons with paralytic gait beginning around 6.5 mo of age, to follow the biochemical and pathological alterations during postnatal development. We detected significant decreases in CO activity during early development and in activity of superoxide dismutase (SOD), an antioxidant enzyme, in later stages in Mnd mutant spinal cord tissue. TG activity in the Mnd spinal cord showed gradual increases during early development reaching a maximum at 5 mo, and then tending to decrease thereafter. Amounts of fragmented GFAPs increased continuously during postnatal development in Mnd spinal cord. These biochemical changes were observed prior to the appearance of clinical motor dysfunctions in the Mnd mutant mice. Such biochemical analyses using appropriate animal models will be useful for inferring the origin and progression of human ALS.
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Affiliation(s)
- Y Nagata
- Department of Physiology, School of Medicine, Fujita Health University, Aichi, Japan
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23
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Fujita K, Shibayama K, Yamauchi M, Kato T, Ando M, Takahashi H, Iritani K, Yoshimoto N, Nagata Y. Alteration of enzymatic activities implicating neuronal degeneration in the spinal cord of the motor neuron degeneration mouse during postnatal development. Neurochem Res 1998; 23:557-62. [PMID: 9566592 DOI: 10.1023/a:1022442904179] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Oxidative stress is suggested as a significant causative factor for pathogenesis of neuronal degeneration on spinal cord of human ALS. We measured some enzymic activities implicating neuronal degeneration process, such as cytochrome c oxidase (CO), superoxide dismutase (SOD), and transglutaminase (TG) in spinal cord of an animal model of ALS, motor neuron degeneration (Mnd) mouse, a mutant that exhibits progressive degeneration of lower spinal neurons during developmental growth, and compared them with age-matched control C57BL/6 mice. CO activity in Mnd spinal cord decreased during early postnatal period, while SOD activity reduced in later stage. In Mnd tissue, TG activity in lumbar cord was increasing during early stage, but tended to decline in later period gradually. These biochemical alterations became evident prior to the appearance of clinical motor dysfunction which were observed in later stages of development in Mnd spinal cord.
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Affiliation(s)
- K Fujita
- Department of Physiology, School of Medicine, Fujita Health University, Toyoake, Aichi, Japan.
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Fujita K, Kato T, Yamauchi M, Ando M, Honda M, Nagata Y. Increases in fragmented glial fibrillary acidic protein levels in the spinal cords of patients with amyotrophic lateral sclerosis. Neurochem Res 1998; 23:169-74. [PMID: 9475511 DOI: 10.1023/a:1022476724381] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Using one-dimensional polyacrylamide gel electrophoresis, we analyzed protein fractions extracted from the spinal cords of patients with amyotrophic lateral sclerosis (ALS). Several protein bands with molecular weights of 35-55 kDa were stained with Coomassie brilliant blue much more intensely in the ALS than in the non-ALS spinal cord. Glial fibrillary acidic protein (GFAP) immunoreactivity showed a significant decrease of 50 and 45 kDa band and increase in fragmented 36 and 37 kDa bands, which represented GFAP fragments devoid of 59 and 40 residues from the N-terminal, respectively, as determined by protein sequence analysis. Immunohistochemical examination of ALS spinal cord transections demonstrated increased GFAP-stained astrocytes in the shrunken ventral horn with massive degeneration of motoneurons. These results will provide new insight into the possible role of astrocytes in the pathophysiology and/or pathogenesis of ALS.
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Affiliation(s)
- K Fujita
- Department of Physiology, School of Medicine, Fujita Health University, Toyoake, Aichi, Japan
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