Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

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Record number 428895
Title MM2-Thalamic Creutzfeldt-Jacob Disease: Neuropathological, Biochemical and Transmission Studies Identify a Distinctive Prion Strain
Author(s) Moda, F.; Suardi, S.; Fede, G. Di; Indaco, A.; Limido, L.; Vimercati, C.; Ruggerone, M.; Campagnani, I.; Langeveld, J.P.M.; Terruzzi, A.; Brambilla, A.; Zerbi, P.; Fociani, P.; Bishop, T.; Will, G.W.; Manson, J.C.; Giaccone, G.; Tagliavini, F.
Source Brain Pathology 22 (2012)5. - ISSN 1015-6305 - p. 662 - 669.
DOI https://doi.org/10.1111/j.1750-3639.2012.00572.x
Department(s) CVI Infection Biology
Publication type Refereed Article in a scientific journal
Publication year 2012
Keyword(s) sporadic fatal insomnia - prpsc types - protein - variant - brain - classification - cooccurrence - degeneration - coexistence - scrapie
Abstract In CreutzfeldtJakob disease (CJD), molecular typing based on the size of the protease resistant core of the disease-associated prion protein (PrPSc) and the M/V polymorphism at codon 129 of the PRNP gene correlates with the clinico-pathologic subtypes. Approximately 95% of the sporadic 129MM CJD patients are characterized by cerebral deposition of type 1 PrPSc and correspond to the classic clinical CJD phenotype. The rare 129MM CJD patients with type 2 PrPSc are further subdivided in a cortical and a thalamic form also indicated as sporadic fatal insomnia. We observed two young patients with MM2-thalamic CJD. Main neuropathological features were diffuse, synaptic PrP immunoreactivity in the cerebral cortex and severe neuronal loss and gliosis in the thalamus and olivary nucleus. Western blot analysis showed the presence of type 2A PrPSc. Challenge of transgenic mice expressing 129MM human PrP showed that MM2-thalamic sporadic CJD (sCJD) was able to transmit the disease, at variance with MM2-cortical sCJD. The affected mice showed deposition of type 2A PrPSc, a scenario that is unprecedented in this mouse line. These data indicate that MM2-thalamic sCJD is caused by a prion strain distinct from the other sCJD subtypes including the MM2-cortical form.
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