The nigrostriatal pathway in Creutzfeldt-Jakob disease.
Identifieur interne : 000A16 ( Ncbi/Curation ); précédent : 000A15; suivant : 000A17The nigrostriatal pathway in Creutzfeldt-Jakob disease.
Auteurs : Anne Vital [France] ; Pierre-Olivier Fernagut ; Marie-Hélène Canron ; Julien Joux ; Erwan Bezard ; Marie-Laure Martin-Negrier ; Claude Vital ; François TisonSource :
- Journal of neuropathology and experimental neurology [ 0022-3069 ] ; 2009.
English descriptors
- KwdEn :
- 14-3-3 Proteins (metabolism), Adult, Aged, Aged, 80 and over, Chorea (complications), Chorea (metabolism), Chorea (pathology), Corpus Striatum (metabolism), Corpus Striatum (pathology), Creutzfeldt-Jakob Syndrome (complications), Creutzfeldt-Jakob Syndrome (metabolism), Creutzfeldt-Jakob Syndrome (pathology), Female, Humans, Male, Middle Aged, Myoclonus (complications), Myoclonus (metabolism), Myoclonus (pathology), Neural Pathways (metabolism), Neural Pathways (pathology), Neurons (cytology), Neurons (metabolism), Neurons (pathology), Parkinsonian Disorders (complications), Parkinsonian Disorders (metabolism), Parkinsonian Disorders (pathology), Prions (metabolism), Substantia Nigra (metabolism), Substantia Nigra (pathology), Ubiquitin (metabolism), Young Adult, alpha-Synuclein (metabolism).
- MESH :
- chemical , metabolism : 14-3-3 Proteins, Prions, Ubiquitin, alpha-Synuclein.
- complications : Chorea, Creutzfeldt-Jakob Syndrome, Myoclonus, Parkinsonian Disorders.
- cytology : Neurons.
- metabolism : Chorea, Corpus Striatum, Creutzfeldt-Jakob Syndrome, Myoclonus, Neural Pathways, Neurons, Parkinsonian Disorders, Substantia Nigra.
- pathology : Chorea, Corpus Striatum, Creutzfeldt-Jakob Syndrome, Myoclonus, Neural Pathways, Neurons, Parkinsonian Disorders, Substantia Nigra.
- Adult, Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged, Young Adult.
Abstract
Parkinsonism, chorea, and dystonia are well-known clinical manifestations of Creutzfeldt-Jakob disease (CJD), but lesions of the nigrostriatal pathway have never been thoroughly studied. We performed a detailed neuropathologic study of the nigrostriatal pathway in 15 sporadic CJD and 2 variant CJD cases that included clinical correlations and assessment of neuron subtype loss, distribution of prion protein, alpha-synuclein, ubiquitin, and 14-3-3 aggregation. We found evidence of nigrostriatal pathway damage in these CJD cases. Dopaminergic neurons and striatal outflow neurons were markedly affected in sporadic CJD, whereas cholinergic interneurons were spared. In cases of CJD with chorea or myoclonus, there was less presynaptic dopaminergic loss than in cases of CJD with parkinsonism. The 2 variant CJD cases with parkinsonism or chorea showed severe cholinergic interneuron loss in the caudate and putamen, a pattern that differed from that found in sporadic CJD. alpha-Synuclein, ubiquitin, and 14-3-3 aggregation coexisted with prion protein aggregation, thereby generating mixed pathological features. These findings suggest a possible pathophysiological overlap of abnormal protein aggregation in CJD and Parkinson disease.
DOI: 10.1097/NEN.0b013e3181abdae8
PubMed: 19535991
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We performed a detailed neuropathologic study of the nigrostriatal pathway in 15 sporadic CJD and 2 variant CJD cases that included clinical correlations and assessment of neuron subtype loss, distribution of prion protein, alpha-synuclein, ubiquitin, and 14-3-3 aggregation. We found evidence of nigrostriatal pathway damage in these CJD cases. Dopaminergic neurons and striatal outflow neurons were markedly affected in sporadic CJD, whereas cholinergic interneurons were spared. In cases of CJD with chorea or myoclonus, there was less presynaptic dopaminergic loss than in cases of CJD with parkinsonism. The 2 variant CJD cases with parkinsonism or chorea showed severe cholinergic interneuron loss in the caudate and putamen, a pattern that differed from that found in sporadic CJD. alpha-Synuclein, ubiquitin, and 14-3-3 aggregation coexisted with prion protein aggregation, thereby generating mixed pathological features. These findings suggest a possible pathophysiological overlap of abnormal protein aggregation in CJD and Parkinson disease.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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