Between-ovary interaction in the regulation of follicle growth, corpus luteum function, and gonadotropin secretion in the primate ovarian cycle. III. Temporal and spatial dissociation of folliculogenesis and negative feedback regulation of tonic gonadotropin release after luteectomy in rhesus monkeys

A L GoodmanG D Hodgen


This study was designed to examine effects of previous ovarian status on subsequent follicle growth and the role of between-ovary communication in the regulation of folliculogenesis and gonadotropin secretion during the primate ovarian cycle. Responses to luteectomy were compared in two groups of rhesus monkeys. In the first, follicle growth and corpus luteum function had been constrained chronically to a single ovary by hemiovariectomy performed 66--258 days earlier; the second group was composed of intact monkeys that underwent contralateral wedge resection at luteectomy. In each group, luteal ablation was followed by a prompt fall in serum progesterone levels, a premature onset of menses, and the next preovulatory gonadotropin surges 14.7 +/- 1.1 or 15.4 +/- 1.4 days later (mean +/- SE; P greater than 0.25). Although the patterns of circulating estradiol before and after ablation in each group were superimposable, luteectomy in monkeys lacking a contralateral ovary was followed by a large (2- to 4-fold) and prolonged (7--10 days) increase in serum FSH, whereas in monkeys with two ovaries, serum FSH levels exhibited only a small short-lived rise. The findings indicate that 1) prior chronic constraint of ovarian function to a ...Continue Reading


Jan 1, 1987·Journal of Steroid Biochemistry·D T Baird
Apr 1, 1984·Theriogenology·M A Driancourt, E Palmer
Dec 1, 1983·International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics·S P DandekarA R Sheth
Mar 1, 1986·Journal of Dairy Science·M F Smith
Nov 1, 1982·The American Journal of Physiology·A L Goodman, G D Hodgen

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