rdf:type |
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lifeskim:mentions |
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pubmed:issue |
1-2
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pubmed:dateCreated |
1988-9-16
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pubmed:abstractText |
Monkeys developed a severe parkinsonian syndrome after intravenous administration of (MPTP). L-DOPA/carbidopa (D-1 and D-2) or bromocriptine (D-2) treatment relieved the parkinsonian symptoms, whereas SKF 38393 (D-1) was ineffective. No dyskinesia was seen in monkeys receiving bromocriptine or SKF 38393 as opposed to the L-DOPA-treated animals, in which the dyskinetic response appeared to increased with time. MPTP induced a significant increase (25%, P less than 0.01) in the number of [3H]spiperone binding sites (Bmax) in the caudate nucleus and in putamen. The Bmax of spiperone binding in the L-DOPA-treated monkeys was on average 18% lower (P less than 0.01) than that of the animals treated with MPTP alone. The Bmax for the bromocriptine-treated group was 29% (P less than 0.01) less than that in the MPTP-treated group or 11% (P less than 0.05) less than that in the L-DOPA-treated monkeys. The SKF 38393 treatment induced a 23% (P less than 0.01) decrease in the Bmax as compared to that of animals treated with MPTP alone, and no significant change compared to the L-DOPA- or bromocriptine-treated animals. These results suggest that stimulation of D-1 and D-2 dopamine receptors can differently influence the mechanisms controlling dopamine agonist-induced dyskinesia in MPTP-treated monkeys.
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pubmed:language |
eng
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pubmed:journal |
|
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/1-Methyl-4-phenyl-1,2,3,6-tetrahydro...,
http://linkedlifedata.com/resource/pubmed/chemical/2,3,4,5-Tetrahydro-7,8-dihydroxy-1-p...,
http://linkedlifedata.com/resource/pubmed/chemical/3,4-Dihydroxyphenylacetic Acid,
http://linkedlifedata.com/resource/pubmed/chemical/Apomorphine,
http://linkedlifedata.com/resource/pubmed/chemical/Benzazepines,
http://linkedlifedata.com/resource/pubmed/chemical/Homovanillic Acid,
http://linkedlifedata.com/resource/pubmed/chemical/Pyridines,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Dopamine,
http://linkedlifedata.com/resource/pubmed/chemical/Spiperone
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pubmed:status |
MEDLINE
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pubmed:month |
May
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pubmed:issn |
0014-2999
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pubmed:author |
|
pubmed:issnType |
Print
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pubmed:day |
20
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pubmed:volume |
150
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
59-66
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:3261249-1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine,
pubmed-meshheading:3261249-2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine,
pubmed-meshheading:3261249-3,4-Dihydroxyphenylacetic Acid,
pubmed-meshheading:3261249-Animals,
pubmed-meshheading:3261249-Apomorphine,
pubmed-meshheading:3261249-Benzazepines,
pubmed-meshheading:3261249-Brain Chemistry,
pubmed-meshheading:3261249-Dopamine,
pubmed-meshheading:3261249-Dyskinesia, Drug-Induced,
pubmed-meshheading:3261249-Female,
pubmed-meshheading:3261249-Homovanillic Acid,
pubmed-meshheading:3261249-Macaca fascicularis,
pubmed-meshheading:3261249-Motor Activity,
pubmed-meshheading:3261249-Parkinson Disease, Secondary,
pubmed-meshheading:3261249-Pyridines,
pubmed-meshheading:3261249-Receptors, Dopamine,
pubmed-meshheading:3261249-Spiperone
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pubmed:year |
1988
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pubmed:articleTitle |
Behavioral and biochemical effect of chronic treatment with D-1 and/or D-2 dopamine agonists in MPTP monkeys.
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pubmed:affiliation |
School of Pharmacy, Laval University, Québec, Canada.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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