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Platelet serotonin measures in primary dysthymia

Published Online:https://doi.org/10.1176/ajp.151.9.1369

Serotonergic function in 22 patients with primary dysthymia and 22 normal volunteers was evaluated by measuring [3H]serotonin uptake and [3H]paroxetine binding in platelets. A significantly lower maximum rate of serotonin uptake was noted in the dysthymic patients than in the normal subjects, indicating a possible serotonergic dysfunction in dysthymia. However, the values for parameters of paroxetine binding were similar in the two groups.

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