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INHIBITION OF LACTOGENIC ACTIVITIES OF BOVINE MAMMARY GLAND EXPLANTS BY THE WHEY FRACTION OF BOVINE MILK

✍ Scribed by A SHAMAY; D.A SHINDER; I BRUCKENTAL; N SILANIKOVE

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
117 KB
Volume
21
Category
Article
ISSN
1065-6995

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✦ Synopsis

Abstract

The regulation of milk constituents, synthesis and secretion in tissue cultures of the bovine mammary gland was altered by a whey fraction of bovine milk. α‐Casein gene expression, casein secretion and fatty acid synthesis were inhibited by the whey fraction in a dose‐dependent manner. The whey fraction inhibited the enhancement activity of prolactin on α‐casein gene expression and fatty acid synthesis, and also inhibited casein secretion to the medium, in explants cultured in a medium with or without prolactin. No effect on the expression of the β‐lactoglobulin gene was found.

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