Relaxin and decidualization in mice: a reappraisal

The nature of the physiological stimulus inducing decidualization in the endometrium is unknown. In this study we attempted to verify a recent report that relaxin can induce decidualization in intact mice primed with a high dose of estradiol valerate (5 micrograms) and a low dose (10 micrograms) of...

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Bibliographic Details
Published in:Biology of reproduction Vol. 55; no. 6; pp. 1415 - 1418
Main Authors: Finn, C.A. (University of Liverpool, Liverpool, UK.), Pope, M.D, Milligan, S.R
Format: Journal Article
Language:English
Published: Madison, WI Society for the Study of Reproduction 01-12-1996
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Summary:The nature of the physiological stimulus inducing decidualization in the endometrium is unknown. In this study we attempted to verify a recent report that relaxin can induce decidualization in intact mice primed with a high dose of estradiol valerate (5 micrograms) and a low dose (10 micrograms) of medroxyprogesterone acetate. In our study, neither s.c. nor intrauterine relaxin, nor intraluminal arachis oil, (an established deciduogenic stimulus) were able to induce decidualization. In addition, while oil was able to induce decidualization (increased uterine weight, and positive Pontamine Sky Blue and stromal alkaline phosphatase reactions) in ovariectomized mice treated with a regimen of estradiol and medroxyprogesterone acetate designed to produce optimum uterine sensitivity, no decidualization occurred in response to either s.c. or intraluminal relaxin. This study fails to provide any support for a role for relaxin as a deciduogenic stimulus
Bibliography:9739933
L53
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ISSN:0006-3363
1529-7268
DOI:10.1095/biolreprod55.6.1415