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Control of oxytocin secretion by ovine corpora lutea: effects of arachidonic acid, phospholipases, and prostaglandins

Endocrinology 122(3): 774-781

Control of oxytocin secretion by ovine corpora lutea: effects of arachidonic acid, phospholipases, and prostaglandins

When slices of ovine corpora lutea were cultured, oxytocin was secreted at steady rates during 60-min incubations (315+or-45.3 pg per mg per h). The secretion of oxytocin was stimulated by arachidonic acid, phospholipase A2 (PLA2) and phospholipase C (PLC) in a dose-dependent manner. The highest doses of arachidonic acid, PLA2, and PLC used stimulated oxytocin secretion by 145.8+or-23.0% (P<0.01; n = 6), 331.5+or-42.4% (P<0.02; n = 4) and 955.5+or-278.6% (P<0.01; n = 4) resp.

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Accession: 001554658

PMID: 3125041

DOI: 10.1210/endo-122-3-774

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