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From the Division of Neuroimmunology,*
Brain Research
Institute, University of Vienna, Vienna, Austria; the Department of
Neurology,
Karl-Franzens-University, Graz,
Austria; the Neuroimmunology Unit,
Center of
Molecular Medicine, Karolinska Hospital, Stockholm, Sweden; the
Department of Neuroimmunology,§
Max Planck
Institute of Neurobiology, Martinsried, Germany; and the Department of
Neurology,¶
Hospital Lainz, Vienna, Austria
Recent magnetic resonance (MR) studies of multiple sclerosis lesions indicate that axonal injury is a major correlate of permanent clinical deficit. In the present study we systematically quantified acute axonal injury, defined by immunoreactivity for beta-amyloid-precursor-protein in dystrophic neurites, in the central nervous system of 22 multiple sclerosis patients and 18 rats with myelin-oligodendrocyte glycoprotein (MOG)-induced chronic autoimmune encephalomyelitis (EAE). The highest incidence of acute axonal injury was found during active demyelination, which was associated with axonal damage in periplaque and in the normal appearing white matter of actively demyelinating cases. In addition, low but significant axonal injury was also observed in inactive demyelinated plaques. In contrast, no significant axonal damage was found in remyelinated shadow plaques. The patterns of axonal pathology in chronic active EAE were qualitatively and quantitatively similar to those found in multiple sclerosis. Our studies confirm previous observations of axonal destruction in multiple sclerosis lesions during active demyelination, but also indicate that ongoing axonal damage in inactive lesions may significantly contribute to the clinical progression of the disease. The results further emphasize that MOG-induced EAE may serve as a suitable model for testing axon-protective therapies in inflammatory demyelinating conditions.
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M. Kerschensteiner, C. Stadelmann, B. S. Buddeberg, D. Merkler, F. M. Bareyre, D. C. Anthony, C. Linington, W. Bruck, and M. E. Schwab Targeting Experimental Autoimmune Encephalomyelitis Lesions to a Predetermined Axonal Tract System Allows for Refined Behavioral Testing in an Animal Model of Multiple Sclerosis Am. J. Pathol., April 1, 2004; 164(4): 1455 - 1469. [Abstract] [Full Text] [PDF] |
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S. Birnboim and A. Miller Cognitive strategies application of multiple sclerosis patients Multiple Sclerosis, February 1, 2004; 10(1): 67 - 73. [Abstract] [PDF] |
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E. L. Oleszak, J. R. Chang, H. Friedman, C. D. Katsetos, and C. D. Platsoucas Theiler's Virus Infection: a Model for Multiple Sclerosis Clin. Microbiol. Rev., January 1, 2004; 17(1): 174 - 207. [Abstract] [Full Text] [PDF] |
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S. E. Hanak, E. M. Reilly, J. Wotanis, B. Zhu, C. Pulicicchio, K. McMonagle-Strucko, J. G. Wettstein, and M. D. Black An Electrophysiological Model of Spinal Transmission Deficits in Mouse Experimental Autoimmune Encephalomyelitis J. Pharmacol. Exp. Ther., January 1, 2004; 308(1): 214 - 220. [Abstract] [Full Text] [PDF] |
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A. Diestel, O. Aktas, D. Hackel, I. Hake, S. Meier, C. S. Raine, R. Nitsch, F. Zipp, and O. Ullrich Activation of Microglial Poly(ADP-Ribose)-Polymerase-1 by Cholesterol Breakdown Products during Neuroinflammation: a Link between Demyelination and Neuronal Damage J. Exp. Med., December 1, 2003; 198(11): 1729 - 1740. [Abstract] [Full Text] [PDF] |
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D T Chard, P A Brex, O Ciccarelli, C M Griffin, G J M Parker, C Dalton, D R Altmann, A J Thompson, and D H Miller The longitudinal relation between brain lesion load and atrophy in multiple sclerosis: a 14 year follow up study J. Neurol. Neurosurg. Psychiatry, November 1, 2003; 74(11): 1551 - 1554. [Abstract] [Full Text] [PDF] |
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A. C. Lo, C. Y. Saab, J. A. Black, and S. G. Waxman Phenytoin Protects Spinal Cord Axons and Preserves Axonal Conduction and Neurological Function in a Model of Neuroinflammation In Vivo J Neurophysiol, November 1, 2003; 90(5): 3566 - 3571. [Abstract] [Full Text] [PDF] |
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J. Imitola, E. Y. Snyder, and S. J. Khoury Genetic programs and responses of neural stem/progenitor cells during demyelination: potential insights into repair mechanisms in multiple sclerosis Physiol Genomics, August 15, 2003; 14(3): 171 - 197. [Abstract] [Full Text] [PDF] |
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F. Barkhof, W. Bruck, C. J. A. De Groot, E. Bergers, S. Hulshof, J. Geurts, C. H. Polman, and P. van der Valk Remyelinated Lesions in Multiple Sclerosis: Magnetic Resonance Image Appearance Arch Neurol, August 1, 2003; 60(8): 1073 - 1081. [Abstract] [Full Text] [PDF] |
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J. J. G. Geurts, G. Wolswijk, L. Bo, P. van der Valk, C. H. Polman, D. Troost, and E. Aronica Altered expression patterns of group I and II metabotropic glutamate receptors in multiple sclerosis Brain, August 1, 2003; 126(8): 1755 - 1766. [Abstract] [Full Text] [PDF] |
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F. Giuliani, C. G. Goodyer, J. P. Antel, and V. W. Yong Vulnerability of Human Neurons to T Cell-Mediated Cytotoxicity J. Immunol., July 1, 2003; 171(1): 368 - 379. [Abstract] [Full Text] [PDF] |
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G. Wolswijk and R. Balesar Changes in the expression and localization of the paranodal protein Caspr on axons in chronic multiple sclerosis Brain, July 1, 2003; 126(7): 1638 - 1649. [Abstract] [Full Text] [PDF] |
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A. Wilkins, H. Majed, R. Layfield, A. Compston, and S. Chandran Oligodendrocytes Promote Neuronal Survival and Axonal Length by Distinct Intracellular Mechanisms: A Novel Role for Oligodendrocyte-Derived Glial Cell Line-Derived Neurotrophic Factor J. Neurosci., June 15, 2003; 23(12): 4967 - 4974. [Abstract] [Full Text] [PDF] |
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H Lassmann Axonal injury in multiple sclerosis J. Neurol. Neurosurg. Psychiatry, June 1, 2003; 74(6): 695 - 697. [Full Text] [PDF] |
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I. Tsunoda, L.-Q. Kuang, J. E. Libbey, and R. S. Fujinami Axonal Injury Heralds Virus-Induced Demyelination Am. J. Pathol., April 1, 2003; 162(4): 1259 - 1269. [Abstract] [Full Text] [PDF] |
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I. M. Medana and M. M. Esiri Axonal damage: a key predictor of outcome in human CNS diseases Brain, March 1, 2003; 126(3): 515 - 530. [Abstract] [Full Text] [PDF] |
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A. Nicot, P. V. Ratnakar, Y. Ron, C.-C. Chen, and S. Elkabes Regulation of gene expression in experimental autoimmune encephalomyelitis indicates early neuronal dysfunction Brain, February 1, 2003; 126(2): 398 - 412. |