doi: 10.1111/j.1365-2265.1979.tb01357.x.
The effects of dopamine, bromocriptine, lergotrile and metoclopramide on prolactin release from continuously perfused columns of isolated rat pituitary cells
- PMID: 34491
- DOI: 10.1111/j.1365-2265.1979.tb01357.x
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The effects of dopamine, bromocriptine, lergotrile and metoclopramide on prolactin release from continuously perfused columns of isolated rat pituitary cells
Clin Endocrinol (Oxf).
1979 Feb.
Abstract
The control of secretion of prolactin was studied using continuous perfusion of a column of isolated rat pituitary cells supported by Bio-Gel polyacrylamide beads. Prolactin secretion was inhibited repeatedly by dopamine and rapidly recovered in its absence. Maximum inhibition was achieved at 5 x 10(-7) M dopamine. Bromocriptine and lergotrile directly inhibited prolactin release from the pituitary cells. Bromocriptine had a longterm action in inhibiting secretion. The dopamine receptor blocking agent, metoclopramide, overcame the inhibitory effect of dopamine but had no effect on prolactin secretion in its absence.
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