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Lack of relationship between prolactin and adrenal steroidogenesis in the ovine fetus.

Abstract：

:The role of fetal prolactin (PRL) as a fetal adrenotropic hormone was investigated in eight chronically catheterized fetal lambs. Catheters were placed for measurement of plasma prolactin (PRL), cortisol (F), dehydroepiandrosterone (DHEA), dehydroepiandrosterone sulfate (DHEA-S), and androstenedione (A). Daily (9 AM) samples were obtained until the onset of labor. In four animals 2-Br-alpha-ergocryptine (BC) was administered subcutaneously (1 mg/12 hours) for 11 to 21 days prior to delivery. Four animals served as controls. No difference between groups was noted in the duration of gestation. PRL increased in the control animals from 8.4 +/- 2.4 to 43.0 +/- 5.6 ng/ml (mean +/- SEM) at the time of delivery whereas in animals that received BC it decreased within 24 hour of administration and remained below 3 ng/ml throughout the study period. No differences were noted in the concentration of F, DHEA, DHEA-S, and A between groups. These results suggest that PRL does not play a role in adrenal steroidogenesis or in the initiation of parturition.

journal_name

Am J Obstet Gynecol

journal_title

American journal of obstetrics and gynecology

authors

Takahashi K,Auletta F,Tseng HY,Scommegna A,Burd LI

doi

10.1016/0002-9378(81)90320-3

subject

Has Abstract

pub_date

1981-02-15 00:00:00

pages

427-34

issue

4

eissn

0002-9378

issn

1097-6868

pii

0002-9378(81)90320-3

journal_volume

139

pub_type

杂志文章

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