Characterization of Lewy body pathology in 12- and 16-year-old intrastriatal mesencephalic grafts surviving in a patient with Parkinson's disease.
Identifieur interne : 002A79 ( Ncbi/Merge ); précédent : 002A78; suivant : 002A80Characterization of Lewy body pathology in 12- and 16-year-old intrastriatal mesencephalic grafts surviving in a patient with Parkinson's disease.
Auteurs : Jia-Yi Li [Suède] ; Elisabet Englund ; H Kan Widner ; Stig Rehncrona ; Anders Björklund ; Olle Lindvall ; Patrik BrundinSource :
- Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2010.
English descriptors
- KwdEn :
- Fetal Tissue Transplantation (methods), Humans, Lewy Bodies (metabolism), Lewy Bodies (pathology), Lewy Bodies (ultrastructure), Longitudinal Studies, Male, Mesencephalon (cytology), Microscopy, Electron, Transmission (methods), Middle Aged, Neurons (metabolism), Neurons (pathology), Neurons (ultrastructure), Parkinson Disease (pathology), Parkinson Disease (surgery), Postmortem Changes, Thiazoles (diagnostic use), Time Factors, alpha-Synuclein (metabolism).
- MESH :
- chemical , diagnostic use : Thiazoles.
- cytology : Mesencephalon.
- metabolism : Lewy Bodies, Neurons, alpha-Synuclein.
- methods : Fetal Tissue Transplantation, Microscopy, Electron, Transmission.
- pathology : Lewy Bodies, Neurons, Parkinson Disease.
- surgery : Parkinson Disease.
- ultrastructure : Lewy Bodies, Neurons.
- Humans, Longitudinal Studies, Male, Middle Aged, Postmortem Changes, Time Factors.
Abstract
We previously reported the occurrence of Lewy bodies in grafted human fetal mesencephalic neurons in two patients with Parkinson's disease. Here, we have used immunohistochemistry and electron microscopy to characterize the development of Lewy bodies in one of these cases. This patient was operated in putamen on both sides at 12 or 16 years before death, respectively. We demonstrate that 2% of the 12-year-old and 5% of the 16-year-old grafted, presumed dopaminergic neurons contained Lewy bodies immunoreactive for alpha-synuclein. Based on morphological analysis, two forms of alpha-synuclein-positive aggregates were distinguished in the grafts, the first a classical and compact Lewy body, the other a loose meshwork aggregate. Lewy bodies in the grafts stained positively for ubiquitin and thioflavin-S, and contained characteristic alpha-synuclein immunoreactive electron dense fibrillar structures on electron microscopy. Our data indicate that Lewy bodies develop gradually in transplanted dopaminergic neurons in a fashion similar to that in dopaminergic neurons in the host substantia nigra.
DOI: 10.1002/mds.23012
PubMed: 20198645
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pubmed:20198645Le document en format XML
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<front><div type="abstract" xml:lang="en">We previously reported the occurrence of Lewy bodies in grafted human fetal mesencephalic neurons in two patients with Parkinson's disease. Here, we have used immunohistochemistry and electron microscopy to characterize the development of Lewy bodies in one of these cases. This patient was operated in putamen on both sides at 12 or 16 years before death, respectively. We demonstrate that 2% of the 12-year-old and 5% of the 16-year-old grafted, presumed dopaminergic neurons contained Lewy bodies immunoreactive for alpha-synuclein. Based on morphological analysis, two forms of alpha-synuclein-positive aggregates were distinguished in the grafts, the first a classical and compact Lewy body, the other a loose meshwork aggregate. Lewy bodies in the grafts stained positively for ubiquitin and thioflavin-S, and contained characteristic alpha-synuclein immunoreactive electron dense fibrillar structures on electron microscopy. Our data indicate that Lewy bodies develop gradually in transplanted dopaminergic neurons in a fashion similar to that in dopaminergic neurons in the host substantia nigra.</div>
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