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Psychiatry Res. 1991 Nov;39(2):155-65.

Studies on the serotonin uptake binding site in major depressive disorder and control post-mortem brain: neurochemical and clinical correlates.

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  • 1MRC Neurochemical Pathology Unit, Newcastle General Hospital, U.K.


Serotonin (5-hydroxytryptamine; 5HT) uptake sites have been measured using the selective high affinity uptake inhibitor 3H-citalopram in post-mortem frontal cortex from depressed and matched control subjects. The lateralization of these sites was assessed in neurologically normal brain. A lower concentration of 3H-citalopram binding was found in brains from depressed subjects. A nonsignificant trend toward a greater attenuation of 5HT uptake sites was observed in brains of bipolar cases in the depressed state. No effect of antidepressant treatment or of the age at onset of illness was noted. No difference in the binding capacity of the 5HT uptake site was noted between hemispheres of normal brains.

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