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Sequential bilateral transplantation in Parkinson's disease: effects of the second graft
Lund University.ORCID iD: 0000-0003-2174-372X
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1999 (English)In: Brain, ISSN 0006-8950, E-ISSN 1460-2156, Vol. 122, no 6, 1121-1132 p.Article in journal (Refereed) Published
Abstract [en]

Five parkinsonian patients who had received implants of human embryonic mesencephalic tissue unilaterally in the striatum 10-56 months earlier were grafted with tissue from four to eight donors into the putamen (four patients) or the putamen plus the caudate nucleus (one patient) on the other side, and were followed for 18-24 months. After 12-18 months, PET showed a mean 85% increase in 6-L-[18F]fluorodopa uptake in the putamen with the second graft, whereas there was no significant further change in the previously transplanted putamen. Two patients exhibited marked additional improvements after their second graft: 'on-off' fluctuations virtually disappeared, movement speed increased, and L-dopa could be withdrawn in one patient and reduced by 70% in the other. The improvement in one patient was moderate. Two patients with atypical features, who responded poorly to the first graft, worsened following the second transplantation. These findings indicate that sequential transplantation in patients does not compromise the survival and function of either the first or the second graft. Moreover, putamen grafts that restore fluorodopa uptake to normal levels can give improvements of major therapeutic value.

Place, publisher, year, edition, pages
1999. Vol. 122, no 6, 1121-1132 p.
Keyword [en]
Neural grafting; Parkinson's disease; dopamine; striatum; positron emission tomography
National Category
Clinical Medicine
Identifiers
URN: urn:nbn:se:hkr:diva-15982DOI: 10.1093/brain/122.6.1121ISI: 000081320600011PubMedID: 10356064OAI: oai:DiVA.org:hkr-15982DiVA: diva2:970618
Available from: 2016-09-14 Created: 2016-09-14 Last updated: 2017-03-20Bibliographically approved

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Citation style
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