Investigation of striatal dopamine D2 receptor acquisition following prenatal neuroleptic exposure.

M H Schmidt, T Lee

Faculty of Medicine, University of Toronto, Ont., Canada.

Psychiatry research 1991 Mar

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To test the hypothesis that neuroleptic blockade impairs the development of striatal dopamine D2 receptors, pregnant rats were given haloperidol, thiothixene, or trifluoperazine for gestational days 15-18 (short-term exposure) or days 5-20 (long-term exposure). All of the drugs were demonstrated to cross the placenta and enter the fetal brains equally well. Striatal dopamine D2 receptors of the pups were assayed on postnatal day 14. Neither receptor density nor receptor affinity was altered significantly by the short- or long-term prenatal neuroleptic treatment.

Citation

M H Schmidt, T Lee. Investigation of striatal dopamine D2 receptor acquisition following prenatal neuroleptic exposure. Psychiatry research. 1991 Mar;36(3):319-28