期刊
PROGRESS IN NEURO-PSYCHOPHARMACOLOGY & BIOLOGICAL PSYCHIATRY
卷 30, 期 3, 页码 531-534出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pnpbp.2005.11.021
关键词
cortisol; depression; 5-HIAA; HVA; serotonin
Plasma levels of ACTH, cortisol and monoamines were examined in 23 depressed patients and 31 healthy subjects. Patients showed increased plasma cortisol levels, but not plasma adrenocorticotropic hormone (ACTH) levels. The plasma levels of a dopamine metabolite, homovanillic acid (HVA) and 3,4-dihydroxyphenylacetic acid (DOPAC), were significantly decreased in the patients. In contrast, the plasma levels of a scrotonin (5-HT) metabolite, hydroxyindoleacetic acid (5-HIAA), and 5-HT turnover (5-HIAA/5-HT) were increased in the depressed patients. Therefore, plasma levels of HVA and 5-HIAA are proven to be dissociable. Furthermore, plasma levels of 5-HIAA and L-DOPA have positive relationships with severity of depression. On the basis of this and the previous studies, we speculate that an increase in the plasma 5-HIAA levels might be a compensatory mechanism for stress, whereas 5-HT turnover might reflect depressive state. Taken together, plasma levels of HVA and 5-HIAA, and 5-HT turnover (5-HIAA/5-HT) could be good markers for evaluating depression. (c) 2005 Elsevier Inc. All rights reserved.
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