Direct luteotrophic effect of oestradiol-17 on pig corpora lutea
نویسندگان
چکیده
منابع مشابه
Effect of a specific aromatase inhibitor on oestradiol secretion by porcine corpora lutea at various stages of the luteal phase.
The present study was undertaken to investigate the aromatization capability of pig corpora lutea at different stages of the luteal phase using the nonsteroidal aromatase inhibitor CGS 16949A. Luteal cells were collected during early (0-2 days after ovulation), mid- (7-10 days after ovulation) and late (13-16 days after ovulation) luteal phase. Cells were incubated either with or without 10(-7)...
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15 صفحه اولEffect of number of corpora lutea and fetuses on concentrations of progesterone in blood of goats.
The objectives of this study were to assess relationships between 1) number of corpora lutea (CL) and concentrations of progesterone (P) in plasma of goats from onset of estrus (d 0) to d 45 of pregnancy and 2) concentration of P and number of fetuses on d 45. Blood from 79 pregnant goats was obtained on d 0 and 1 and at 48-h intervals thereafter to d 25 of gestation. Additional samples were co...
متن کاملEffect of successive enucleations of bovine corpora lutea on formation and function of subsequent luteal tissue.
I T has been demonstrated that exogenous progesterone exerts a stimulatory effect on ovulation in cattle (Hansel and Trimberger, 1952) as well as an inhibitory effect (Ulberg, Christian and Casida, 1951; Trimberger and Hansel, 1955; Nellor and Cole, 1957; Labhsetwar et al., 1964). However, the role of endogenous luteal progesterone in the regulation of bovine corpus luteum formation and functio...
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ژورنال
عنوان ژورنال: Reproduction
سال: 1989
ISSN: 1470-1626,1741-7899
DOI: 10.1530/jrf.0.0870125