Accumulation of glial fibrillary acidic protein and histone H4 in brain storage bodies of Tibetan terriers with hereditary neuronal ceroid lipofuscinosis

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Accumulation of glial fibrillary acidic protein and histone H4 in brain storage bodies of Tibetan terriers with hereditary neuronal ceroid lipofuscinosis

Please use this identifier to cite or link to this item: http://hdl.handle.net/10355/3246

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Title: Accumulation of glial fibrillary acidic protein and histone H4 in brain storage bodies of Tibetan terriers with hereditary neuronal ceroid lipofuscinosis
Author: Katz, Martin L.; Sanders, Douglas N., 1973-; Mooney, Brian P.; Johnson, Gary S.
Keywords: neurodegenerative diseases
neuronal ceroid lipofuscinoses
dogs
spectral analysis
Date: 2007-11-15
Publisher: Springer Netherlands
Citation: Journal of Inherited Metabolic Disease, Volume 30, Number 6 (November, 2007)
Abstract: The neuronal ceroid lipofuscinoses (NCLs) are inherited neurodegenerative diseases characterized by massive accumulation of autofluorescent storage bodies in neurons and other cells. A late-onset form of NCL occurs in Tibetan terrier dogs. Gel electrophoretic analyses of isolated storage body proteins from brains of affected dogs indicated that a protein of approximately 50 kDa was consistently prominent and a 16 kDa component was present in some brain storage body preparations. Mass spectral analysis identified the 50 kDa protein as glial fibrillary acidic protein (GFAP), isoform 2. GFAP identification was supported by immunoblot and immunohistochemical analyses. Histone H4 was the major protein in the 16 kDa component. Specific accumulation of GFAP and histone H4 in storage bodies has not been previously reported for any of the NCLs. Tibetan terrier NCL may be the canine correlate of one of the human adult-onset NCLs for which the genetic bases and storage body compositions have not yet been determined.
URI: http://hdl.handle.net/10355/3246
ISSN: 1573-2665

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