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  • Dopamine receptors  (1)
  • Serotonin1A(5-HT1A) receptor  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Savoxepine fails to selectively influence glucose metabolism in the rat limbic system (1994)
    Springer
    Psychopharmacology 114 (1994), S. 275-280 
    Details
    ISSN: 1432-2072
    Keywords: Savoxepine ; Low dose savoxepine ; High dose savoxepine ; Limbic system ; Hippocampus ; hNucleus accumbens ; Dopamine receptors ; [14C]-2-DG technique
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The [14C]-2-deoxyglucose method was used to map the in vivo metabolic response of glucose to savoxepine, a novel tetracyclic cyano-dibenzoxepino-azepine. Savoxepine is reported to have higher affinity for dopamine (DA) receptors in the hippocampus than in the striatum and hence should have dose-dependent, anatomically selective actions. Two doses of savoxepine (0.05 mg/kg and 0.5 mg/kg) were compared with haloperidol (1 mg/kg) to test the hypothesis that low doses of savoxepine would display a selective action on limbic brain areas. Results failed to show that low dose savoxepine selectively modifies glucose utilization in the limbic system as previous biochemical studies suggested. In fact, low doses of the drug displayed a potent activity quite similar to haloperidol in effect and localization. The low dose did not produce significantly altered glucose metabolism in the nucleus accumbens or in the lateral habenular nucleus as observed with most other neuroleptics, suggesting a lack of antipsychotic action at this dose. Our findings demonstrate the difficulty of designing a neuroleptic with a preferential blockade of limbic DA receptors and point to the need for functional assessment of regional receptor binding differences.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02244849
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Differential changes in serotonin 5-HT1A and 5-HT2 receptor binding in patients with chronic schizophrenia (1993)
    Springer
    Psychopharmacology 112 (1993), S. S35 
    Details
    ISSN: 1432-2072
    Keywords: Serotonin ; Serotonin1A(5-HT1A) receptor ; Serotonin2(5-HT2) receptor ; Schizophrenia ; Postmortem brain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Serotonin 5-HT1A and 5-HT2 receptors were examined in the postmortem brains of controls and patients with chronic schizophrenia. In the prefrontal cortex from patients with schizophrenia, 5-HT1A receptor binding was increased, while 5-HT2 receptor binding was decreased, when compared to controls. The increased 5-HT1A receptor binding or the decreased 5-HT2 receptor binding was observed in both the patients who had been medicated with neuroleptics at time of death and those who had not, at least 2 months prior to death. Thus, abnormalities of 5-HT receptor subtypes seem to exist in the brains of patients with chronic schizophrenia. 5-HT related agents might be beneficial for the treatment of schizophrenia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02245005
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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