Pharmacological characterization of psychosis-like behavior in the MPTP-lesioned nonhuman primate model of Parkinson's disease.
Identifieur interne : 001831 ( Ncbi/Checkpoint ); précédent : 001830; suivant : 001832Pharmacological characterization of psychosis-like behavior in the MPTP-lesioned nonhuman primate model of Parkinson's disease.
Auteurs : Naomi P. Visanji [Canada] ; Jordi Gomez-Ramirez ; Tom H. Johnston ; Donna Pires ; Valerie Voon ; Jonathan M. Brotchie ; Susan H. FoxSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2006.
English descriptors
- KwdEn :
- 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine, Amantadine (therapeutic use), Animals, Antiparkinson Agents (adverse effects), Antiparkinson Agents (therapeutic use), Apomorphine (adverse effects), Behavior, Animal (drug effects), Behavior, Animal (physiology), Callithrix, Disability Evaluation, Disease Models, Animal, Dose-Response Relationship, Drug, Drug Interactions, Dyskinesia, Drug-Induced (drug therapy), Dyskinesia, Drug-Induced (etiology), Dyskinesia, Drug-Induced (physiopathology), Female, Grooming (drug effects), Grooming (physiology), Hallucinations (drug therapy), Hallucinations (etiology), Levodopa (adverse effects), Parkinsonian Disorders (chemically induced), Parkinsonian Disorders (drug therapy), Parkinsonian Disorders (physiopathology), Psychomotor Agitation (drug therapy), Psychomotor Agitation (etiology), Psychotic Disorders (drug therapy), Psychotic Disorders (etiology), Psychotic Disorders (physiopathology), Statistics, Nonparametric, Stereotyped Behavior (drug effects), Stereotyped Behavior (physiology).
- MESH :
- chemical , adverse effects : Antiparkinson Agents, Apomorphine, Levodopa.
- chemical , therapeutic use : Amantadine, Antiparkinson Agents.
- chemical : 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine.
- chemically induced : Parkinsonian Disorders.
- drug effects : Behavior, Animal, Grooming, Stereotyped Behavior.
- drug therapy : Dyskinesia, Drug-Induced, Hallucinations, Parkinsonian Disorders, Psychomotor Agitation, Psychotic Disorders.
- etiology : Dyskinesia, Drug-Induced, Hallucinations, Psychomotor Agitation, Psychotic Disorders.
- physiology : Behavior, Animal, Grooming, Stereotyped Behavior.
- physiopathology : Dyskinesia, Drug-Induced, Parkinsonian Disorders, Psychotic Disorders.
- Animals, Callithrix, Disability Evaluation, Disease Models, Animal, Dose-Response Relationship, Drug, Drug Interactions, Female, Statistics, Nonparametric.
Abstract
Investigation of the pathophysiology of psychosis in Parkinson's disease (PD), as well as the assessment of potential novel therapeutics, has been limited by the lack of a well-validated animal model. MPTP-lesioned primates exhibit abnormal behaviors that are distinct from dyskinesia and parkinsonism and may represent behavioral correlates of neural processes related to psychosis in PD. Here we assess four types of behavior--agitation, hallucinatory-like responses to nonapparent stimuli, obsessive grooming, and stereotypies that are termed "psychosis-like"--and define their pharmacology using a psychosis-like behavior rating scale. By assessing the actions of drugs known to enhance or attenuate psychosis in PD patients, we find that the pharmacology of these behaviors recapitulates, in several respects, the pharmacology of psychosis in PD. Thus, levodopa and apomorphine elicited psychosis-like behaviors. Amantadine significantly decreased levodopa-induced dyskinesia but exacerbated psychosis-like behaviors. Haloperidol reduced psychosis-like behaviors but at the expense of increased parkinsonian disability while the atypical neuroleptics clozapine and quetiapine reduced psychosis-like behaviors without significant effect on parkinsonian disability. The response of different components of the psychotomimetic behavior suggested the involvement of both dopaminergic and nondopaminergic mechanisms in their expression.
DOI: 10.1002/mds.21073
PubMed: 16960862
Affiliations:
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pubmed:16960862Le document en format XML
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<author><name sortKey="Visanji, Naomi P" sort="Visanji, Naomi P" uniqKey="Visanji N" first="Naomi P" last="Visanji">Naomi P. Visanji</name>
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<wicri:noRegion>Ontario</wicri:noRegion>
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<author><name sortKey="Gomez Ramirez, Jordi" sort="Gomez Ramirez, Jordi" uniqKey="Gomez Ramirez J" first="Jordi" last="Gomez-Ramirez">Jordi Gomez-Ramirez</name>
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<author><name sortKey="Johnston, Tom H" sort="Johnston, Tom H" uniqKey="Johnston T" first="Tom H" last="Johnston">Tom H. Johnston</name>
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<author><name sortKey="Pires, Donna" sort="Pires, Donna" uniqKey="Pires D" first="Donna" last="Pires">Donna Pires</name>
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<author><name sortKey="Voon, Valerie" sort="Voon, Valerie" uniqKey="Voon V" first="Valerie" last="Voon">Valerie Voon</name>
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<author><name sortKey="Brotchie, Jonathan M" sort="Brotchie, Jonathan M" uniqKey="Brotchie J" first="Jonathan M" last="Brotchie">Jonathan M. Brotchie</name>
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<author><name sortKey="Fox, Susan H" sort="Fox, Susan H" uniqKey="Fox S" first="Susan H" last="Fox">Susan H. Fox</name>
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<author><name sortKey="Johnston, Tom H" sort="Johnston, Tom H" uniqKey="Johnston T" first="Tom H" last="Johnston">Tom H. Johnston</name>
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<author><name sortKey="Pires, Donna" sort="Pires, Donna" uniqKey="Pires D" first="Donna" last="Pires">Donna Pires</name>
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<author><name sortKey="Brotchie, Jonathan M" sort="Brotchie, Jonathan M" uniqKey="Brotchie J" first="Jonathan M" last="Brotchie">Jonathan M. Brotchie</name>
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<author><name sortKey="Fox, Susan H" sort="Fox, Susan H" uniqKey="Fox S" first="Susan H" last="Fox">Susan H. Fox</name>
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<series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title>
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<term>Amantadine (therapeutic use)</term>
<term>Animals</term>
<term>Antiparkinson Agents (adverse effects)</term>
<term>Antiparkinson Agents (therapeutic use)</term>
<term>Apomorphine (adverse effects)</term>
<term>Behavior, Animal (drug effects)</term>
<term>Behavior, Animal (physiology)</term>
<term>Callithrix</term>
<term>Disability Evaluation</term>
<term>Disease Models, Animal</term>
<term>Dose-Response Relationship, Drug</term>
<term>Drug Interactions</term>
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<term>Dyskinesia, Drug-Induced (etiology)</term>
<term>Dyskinesia, Drug-Induced (physiopathology)</term>
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<term>Grooming (drug effects)</term>
<term>Grooming (physiology)</term>
<term>Hallucinations (drug therapy)</term>
<term>Hallucinations (etiology)</term>
<term>Levodopa (adverse effects)</term>
<term>Parkinsonian Disorders (chemically induced)</term>
<term>Parkinsonian Disorders (drug therapy)</term>
<term>Parkinsonian Disorders (physiopathology)</term>
<term>Psychomotor Agitation (drug therapy)</term>
<term>Psychomotor Agitation (etiology)</term>
<term>Psychotic Disorders (drug therapy)</term>
<term>Psychotic Disorders (etiology)</term>
<term>Psychotic Disorders (physiopathology)</term>
<term>Statistics, Nonparametric</term>
<term>Stereotyped Behavior (drug effects)</term>
<term>Stereotyped Behavior (physiology)</term>
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<term>Grooming</term>
<term>Stereotyped Behavior</term>
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<keywords scheme="MESH" qualifier="drug therapy" xml:lang="en"><term>Dyskinesia, Drug-Induced</term>
<term>Hallucinations</term>
<term>Parkinsonian Disorders</term>
<term>Psychomotor Agitation</term>
<term>Psychotic Disorders</term>
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<keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Dyskinesia, Drug-Induced</term>
<term>Hallucinations</term>
<term>Psychomotor Agitation</term>
<term>Psychotic Disorders</term>
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<term>Stereotyped Behavior</term>
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<term>Psychotic Disorders</term>
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<term>Callithrix</term>
<term>Disability Evaluation</term>
<term>Disease Models, Animal</term>
<term>Dose-Response Relationship, Drug</term>
<term>Drug Interactions</term>
<term>Female</term>
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<front><div type="abstract" xml:lang="en">Investigation of the pathophysiology of psychosis in Parkinson's disease (PD), as well as the assessment of potential novel therapeutics, has been limited by the lack of a well-validated animal model. MPTP-lesioned primates exhibit abnormal behaviors that are distinct from dyskinesia and parkinsonism and may represent behavioral correlates of neural processes related to psychosis in PD. Here we assess four types of behavior--agitation, hallucinatory-like responses to nonapparent stimuli, obsessive grooming, and stereotypies that are termed "psychosis-like"--and define their pharmacology using a psychosis-like behavior rating scale. By assessing the actions of drugs known to enhance or attenuate psychosis in PD patients, we find that the pharmacology of these behaviors recapitulates, in several respects, the pharmacology of psychosis in PD. Thus, levodopa and apomorphine elicited psychosis-like behaviors. Amantadine significantly decreased levodopa-induced dyskinesia but exacerbated psychosis-like behaviors. Haloperidol reduced psychosis-like behaviors but at the expense of increased parkinsonian disability while the atypical neuroleptics clozapine and quetiapine reduced psychosis-like behaviors without significant effect on parkinsonian disability. The response of different components of the psychotomimetic behavior suggested the involvement of both dopaminergic and nondopaminergic mechanisms in their expression.</div>
</front>
</TEI>
<affiliations><list><country><li>Canada</li>
</country>
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<tree><noCountry><name sortKey="Brotchie, Jonathan M" sort="Brotchie, Jonathan M" uniqKey="Brotchie J" first="Jonathan M" last="Brotchie">Jonathan M. Brotchie</name>
<name sortKey="Fox, Susan H" sort="Fox, Susan H" uniqKey="Fox S" first="Susan H" last="Fox">Susan H. Fox</name>
<name sortKey="Gomez Ramirez, Jordi" sort="Gomez Ramirez, Jordi" uniqKey="Gomez Ramirez J" first="Jordi" last="Gomez-Ramirez">Jordi Gomez-Ramirez</name>
<name sortKey="Johnston, Tom H" sort="Johnston, Tom H" uniqKey="Johnston T" first="Tom H" last="Johnston">Tom H. Johnston</name>
<name sortKey="Pires, Donna" sort="Pires, Donna" uniqKey="Pires D" first="Donna" last="Pires">Donna Pires</name>
<name sortKey="Voon, Valerie" sort="Voon, Valerie" uniqKey="Voon V" first="Valerie" last="Voon">Valerie Voon</name>
</noCountry>
<country name="Canada"><noRegion><name sortKey="Visanji, Naomi P" sort="Visanji, Naomi P" uniqKey="Visanji N" first="Naomi P" last="Visanji">Naomi P. Visanji</name>
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