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Neuropathol Appl Neurobiol. 1994 Apr;20(2):103-10.

Association of measles virus with neurofibrillary tangles in subacute sclerosing panencephalitis: a combined in situ hybridization and immunocytochemical investigation.

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Department of Neuropathology, Royal Victoria Hospital, Belfast, N. Ireland, UK.


Neurofibrillary tangle formation, a cardinal characteristic of Alzheimer's disease, is also a feature of several other neurodegenerative disorders, including subacute sclerosing panencephalitis (SSPE). In the present study the association of measles virus genome with neurofibrillary tangle formation has been studied in five cases of SSPE, using in situ hybridization (measles genome) and immunocytochemistry (tau, ubiquitin and beta/A4 amyloid). In two cases with duration of disease less than one year, neurofibrillary tangle formation was not observed. However, in those cases in which the disease was of several years duration, numerous tau- and ubiquitin-positive neurofibrillary tangles were demonstrated. In the two cases of longest duration, double-labelling techniques demonstrated the frequent association of neurofibrillary tangle formation with neuronal measles virus genome positivity. Immunocytochemistry for beta/A4 amyloid failed to demonstrate amyloid in any of the five cases. These findings support the hypothesis that neurofibrillary tangle formation can occur independently of amyloid formation and that this mechanism may operate in both Alzheimer's disease and in virally-induced disease.

[Indexed for MEDLINE]

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