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The prolactin response to neuroleptics can serve as an index of dopamine blockade in humans. Plasma prolactin increments to single doses of chlorpromazine, and prolactin decrements to single doses of levodopa, were similar in normal and schizophrenic subjects. Antischizophrenic drugs of all chemical classes stimulated prolactin release,while chemically(More)
beta-Endorphin immunoactivity was measured in the plasma and cerebrospinal fluid (CSF) of 13 patients with metastatic cancer 1 day before and 5 days after complete transsphenoidal hypophysectomy. Preoperatively, mean beta-endorphin-like immunoactivity in plasma was 18.2 +/- 3.5 pg/ml (SEM) and in CSF 32.3 +/- 6.3 pg/ml. No correlation was noted between the(More)