The time course and magnitude of spontaneous recovery of parkinsonism produced by intracarotid administration of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine to monkeys.

Abstract:

:We studied rhesus monkeys with hemiparkinsonism or bilateral parkinsonism produced by unilateral or bilateral intracarotid administration of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine. Using a standardized clinical rating scale, 4 hemiparkinsonian monkeys showed a 13 to 56% (mean, 36%) spontaneous improvement during an observation period of up to 25 weeks. Generally, recovery leveled off after 14 weeks. Four bilaterally parkinsonian monkeys showed a 5 to 42% (mean, 22%) improvement over a period of up to 30 weeks. Our findings emphasize that spontaneous recovery is a potentially confounding characteristic of this monkey model when used for assessing novel antiparkinsonian therapies.

journal_name

Ann Neurol

journal_title

Annals of neurology

authors

Kurlan R,Kim MH,Gash DM

doi

10.1002/ana.410290618

subject

Has Abstract

pub_date

1991-06-01 00:00:00

pages

677-9

issue

6

eissn

0364-5134

issn

1531-8249

journal_volume

29

pub_type

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