doi: 10.1080/07435807609052934.
Action of prolactin on ornithine decarboxylase activity in mammary gland explants of mice
- PMID: 991811
- DOI: 10.1080/07435807609052934
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Action of prolactin on ornithine decarboxylase activity in mammary gland explants of mice
Endocr Res Commun.
1976.
Abstract
Prolactin stimulated ornithine decarboxylase activity in mammary gland explants from midpregnant mice. The enhanced enzyme activity occurred in explants which were preincubated for 1 day in medium containing insulin, hydrocortisone, insulin plus hydrocortisone, or in medium containing no hormones. The largest prolactin effect was observed in tissues which were pretreated with insulin plus hydrocortisone; a greater than ten-fold increase in ornithine decarboxylase activity was observed when these tissues were incubated with prolactin for 2 hours. An effect of prolactin on ornithine decarboxylase activity was also observed in explants prepared from lactating mouse mammary glands.
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