Catechol-O-methyltransferase val158met genotype determines effect of reboxetine on emotional memory in healthy male volunteers

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Catechol-O-methyltransferase val158met genotype determines effect of reboxetine on emotional memory in healthy male volunteers.

BACKGROUND Catechol-O-methyltransferase (COMT) metabolizes catecholamines in the prefrontal cortex (PFC). A common polymorphism in the COMT gene (COMT val158met) has pleiotropic effects on cognitive and emotional processing. The met allele has been associated with enhanced cognitive processing but impaired emotional processing relative to the val allele. METHODS We genotyped healthy, white me...

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Effect of catechol-O-methyltransferase val158met genotype on attentional control.

The cingulate cortex is richly innervated by dopaminergic projections and plays a critical role in attentional control (AC). Evidence indicates that dopamine enhances the neurophysiological signal-to-noise ratio and that dopaminergic tone in the frontal cortex is critically dependent on catechol-O-methyltransferase (COMT). A functional polymorphism (val158met) in the COMT gene accounts for some...

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Alpha 2B adrenoceptor genotype moderates effect of reboxetine on negative emotional memory bias in healthy volunteers.

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COMT Val158Met Genotype Determines the Direction of Cognitive Effects Produced by Catechol-O-Methyltransferase Inhibition

BACKGROUND Catechol-O-methyltransferase (COMT) metabolizes dopamine. The COMT Val(158)Met polymorphism influences its activity, and multiple neural correlates of this genotype on dopaminergic phenotypes, especially working memory, have been reported. COMT activity can also be regulated pharmacologically by COMT inhibitors. The inverted-U relationship between cortical dopamine signaling and work...

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ژورنال

عنوان ژورنال: Journal of Psychiatry & Neuroscience

سال: 2014

ISSN: 1180-4882

DOI: 10.1503/jpn.130131