Pituitary hormone responses to luteal regression after administration of prostaglandin F2α-analogue

被引：1

作者：

Hori, T ^{[1
]}

Kawakami, E ^{[1
]}

Tsutsui, T ^{[1
]}

机构：

[1] Nippon Vet & Anim Sci Univ, Dept Reprod, Tokyo, Japan

来源：

REPRODUCTION IN DOMESTIC ANIMALS | 2004年 / 39卷 / 05期

关键词：

D O I：

10.1111/j.1439-0531.2004.00511.x

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

As an experiment to elucidate the canine luteal function maintenance system, a PGF2alpha-analogue, fenprostalene (PGF-F), was administered 24 and 54 days after ovulation to induce luteal regression, and the responses of luteinizing hormone (LH) and prolactin (PRL), which are considered to support the canine corpus luteum, were investigated. The plasma progesterone (P-4) level was rapidly decreased, by which the plasma PRL level was increased, but no change was observed in the plasma LH level. The decrease in the plasma P-4 level after PGF-F administration may have induced positive feedback to the superior system, and stimulated secretion of the pituitary hormones. These findings suggested that the canine corpus luteum is maintained by PRL, not by LH.

引用

页码：298 / 302

页数：5

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