Document Detail


Olanzapine effects on body composition, food preference, glucose metabolism and insulin sensitivity in the rat.
MedLine Citation:
PMID:  21671852     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The atypical antipsychotic drug olanzapine induces weight gain and defects in glucose metabolism in patients. Using a rat model we investigated the effects of acute and long term olanzapine treatment on weight gain, food preference and glucose metabolism. Olanzapine treated rats fed a chow diet grew more slowly than vehicle controls but olanzapine treated animals fed a high fat/sugar diet grew faster than control animals on the same diet. These changes in weight were paralleled by changes in fat mass. Olanzapine also induced a strong preference for a high fat/high sugar diet. Acute exposure to olanzapine rapidly induced severe impairments of glucose tolerance and increased insulin secretion but did not impair insulin tolerance. These results indicate the defect in glucose metabolism induced by acute olanzapine treatment was most likely due to increased hepatic glucose output associated with a reduction in active GLP-1 levels and correspondingly high glucagon levels.
Authors:
G C Smith; M H Vickers; P R Shepherd
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-6-15
Journal Detail:
Title:  Archives of physiology and biochemistry     Volume:  -     ISSN:  1744-4160     ISO Abbreviation:  -     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-6-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9510153     Medline TA:  Arch Physiol Biochem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Molecular Medicine and Pathology and Maurice Wilkins Centre for Molecular Biodiscovery, University of Auckland, Auckland, New Zealand.
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