Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
22
pubmed:dateCreated
1998-11-23
pubmed:abstractText
Muscarinic agonists were tested in two models indicative of clinical antipsychotic activity: conditioned avoidance responding (CAR) in rats and inhibition of apomorphine-induced climbing in mice. The standard muscarinic agonists oxotremorine and pilocarpine were both active in these tests but showed little separation between efficacy and cholinergic side effects. Structure-activity relationships of the alkylthio-1,2,5-thiadiazole azacyclic type muscarinic partial agonists are shown, revealing the exo-6-(3-propyl/butylthio-1,2, 5-thiadiazol-4-yl)-1-azabicyclo[3.2.1]octane analogues (4a,b and 9a, b) to be the most potent antipsychotic agents with large separation between efficacy and cholinergic side effects. The lack of enantiomeric selectivity suggests the pharmacophoric elements are in the mirror plane of the compounds. A model explaining the potency differences of closely related compounds is offered. The data suggest that muscarinic agonists act as functional dopamine antagonists and that they could become a novel treatment of psychotic patients.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0022-2623
pubmed:author
pubmed:issnType
Print
pubmed:day
22
pubmed:volume
41
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
4378-84
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed-meshheading:9784113-Animals, pubmed-meshheading:9784113-Antipsychotic Agents, pubmed-meshheading:9784113-Avoidance Learning, pubmed-meshheading:9784113-Brain, pubmed-meshheading:9784113-Dopamine Antagonists, pubmed-meshheading:9784113-Drug Evaluation, Preclinical, pubmed-meshheading:9784113-Injections, Subcutaneous, pubmed-meshheading:9784113-Male, pubmed-meshheading:9784113-Mice, pubmed-meshheading:9784113-Models, Molecular, pubmed-meshheading:9784113-Molecular Conformation, pubmed-meshheading:9784113-Motor Activity, pubmed-meshheading:9784113-Muscarinic Agonists, pubmed-meshheading:9784113-Rats, pubmed-meshheading:9784113-Rats, Sprague-Dawley, pubmed-meshheading:9784113-Salivation, pubmed-meshheading:9784113-Stereoisomerism, pubmed-meshheading:9784113-Structure-Activity Relationship, pubmed-meshheading:9784113-Thiadiazoles, pubmed-meshheading:9784113-Tremor
pubmed:year
1998
pubmed:articleTitle
Muscarinic agonists with antipsychotic-like activity: structure-activity relationships of 1,2,5-thiadiazole analogues with functional dopamine antagonist activity.
pubmed:affiliation
Health Care Discovery, Novo Nordisk A/S, Novo Nordisk Park, 2760 Mâlov, Denmark, and Neuroscience Research, Lilly Research Laboratories, Indianapolis, Indiana 46285, USA. psa@novo.dk
pubmed:publicationType
Journal Article, In Vitro