The American journal of psychiatry · 2001
Inverse relationship between serotonin 5-HT(1A) receptor binding and anxiety: a [(11)C]WAY-100635 PET investigation in healthy volunteers.
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Tauscher J, Bagby R M, Javanmard M, Christensen B K, Kasper S, Kapur S
Аннотация
OBJECTIVE: The authors investigated the relationship between anxiety--a facet of the Revised NEO Personality Inventory dimension of neuroticism--and serotonin 5-HT(1A) receptor binding potential.
METHOD: Positron emission tomography with [(11)C]WAY-100635 was used to estimate regional 5-HT(1A) binding potential in 19 healthy volunteers who completed the Revised NEO Personality Inventory. Correlation coefficients were calculated to determine the degree of association between 5-HT(1A) binding potential and personality inventory measures.
RESULTS: There was a significant negative correlation between 5-HT(1A) binding potential and anxiety in four regions: the dorsolateral prefrontal cortex, anterior cingulate cortex, parietal cortex, and occipital cortex.
CONCLUSIONS: The inverse relationship between 5-HT(1A) receptor binding potential and anxiety is consistent with 1) animal models that have shown higher anxiety in mice lacking 5-HT(1A) receptors and 2) clinical trial data that have demonstrated antianxiety properties of partial 5-HT(1A) agonists.
METHOD: Positron emission tomography with [(11)C]WAY-100635 was used to estimate regional 5-HT(1A) binding potential in 19 healthy volunteers who completed the Revised NEO Personality Inventory. Correlation coefficients were calculated to determine the degree of association between 5-HT(1A) binding potential and personality inventory measures.
RESULTS: There was a significant negative correlation between 5-HT(1A) binding potential and anxiety in four regions: the dorsolateral prefrontal cortex, anterior cingulate cortex, parietal cortex, and occipital cortex.
CONCLUSIONS: The inverse relationship between 5-HT(1A) receptor binding potential and anxiety is consistent with 1) animal models that have shown higher anxiety in mice lacking 5-HT(1A) receptors and 2) clinical trial data that have demonstrated antianxiety properties of partial 5-HT(1A) agonists.