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pubmed:abstractText |
Mouse mammary epithelial cultures were examined for the ability to specifically bind [125I]PRL after cultivation on floating collagen gels. Corticosterone, particularly hydrocortisone, were effective in increasing the ability of mouse mammary cells to bind [125I]PRL. The absence of a glucocorticoid in the medium resulted in a loss of PRL binding during the 3 days in culture. 17 beta-Estradiol, progesterone, and aldosterone at equal molar concentration had no or only a small effect in increasing [125I]PRL binding.
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