Influence of bromoergocryptine on estrogen-modulated prolactin receptors of mouse mammary gland

Sheth, Nandini A. ; Tikekar, Shubhada S. ; Ranadive, Kamal J. ; Sheth, Anil R. (1978) Influence of bromoergocryptine on estrogen-modulated prolactin receptors of mouse mammary gland Molecular and Cellular Endocrinology, 12 (2). pp. 167-176. ISSN 0303-7207

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0303-7207(78)90112-0

Abstract

Modulation of specific binding of prolactin to murine mammary gland as a response to treatment with various doses of estradiol benzoate (EB) was studied. Measurements of serum and pituitary levels of prolactin were also carried out simultaneously. Estradiol benzoate at a dose of 5 μgram significantly increased the binding of 125I-labelled rat prolactin (rPRL) to mammary gland concomitant with increased serum prolactin levels in ovariectomized mice. Administration of bromoergocryptine along with EB resulted in decreased serum prolactin levels as well as binding of prolactin to breast tissue. It thus appears that the influence of estradiol on binding of prolactin to mammary gland is mediated primarily via its property of enhancing serum prolactin concentration apart from its possible direct effect at the target tissue level.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Prolactin Receptors; Estrogen Effect; Mammary Gland; Bromoergocryptine
ID Code:78099
Deposited On:17 Jan 2012 10:18
Last Modified:17 Jan 2012 10:18

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