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Novel Multialveolar Epithelial Structures from Rabbit Mammary Gland that Synthesize Milk Specific Fatty Acids in Response to Prolactin

C. A. Carrington, H. L. Hosick, I. A. Forsyth and R. R. Dils
In Vitro
Vol. 17, No. 5 (May, 1981), pp. 363-368
Stable URL: http://www.jstor.org/stable/4292510
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Novel Multialveolar Epithelial Structures from Rabbit Mammary Gland that Synthesize Milk Specific Fatty Acids in Response to Prolactin
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Abstract

Multialveolar mammary epithelial structures have been prepared from rabbit mammary gland by treating the tissue with collagenase plus hyaluronidase. These structures synthesize milk specific fatty acids when cultured with physiological concentrations (0.05 µg/ml) of prolactin in the presence of insulin and corticosterone. They have many of the advantages but few of the disadvantages of either mammary explants or primary cells in culture. For example, they are easily prepared in large numbers and respond to prolactin in culture even in the absence of serum or other tissue extracts. Because their level of organization is intermediate between that of explants and single cells, they provide a complementary system for studies on mammary differentiation.

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