Journal
NEUROREPORT
Volume 15, Issue 17, Pages 2571-2574Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00001756-200412030-00002
Keywords
anterior cingulate; chronic fatigue syndrome; fatigue; positron emission tomography (PET); serotonin transporter
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To assess the involvement of serotonin in the symptoms of chronic fatigue syndrome, we investigated the serotonergic neurotransmitter system of chronic fatigue syndrome patients by the positron emission tomography (PET). Here we show that the density of serotonin transporters (5-HTTs) in the brain, as determined by using a radiotracer, [C-11](+)McN5652, was significantly reduced in the rostral subdivision of the anterior cingulate as compared with that in normal volunteers. This subdivision is different from that in the dorsal anterior cingulate in which binding potential values of individual patient showed a weak negative correlation with self. reported pain score of the patients. Therefore. an alteration of serotonergic system in the rostral anterior cingulate plays a key role in pathophysiology of chronic fatigue syndrome.
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