In the present study, we examined the in vivo effects of estradiol (E 2) and progesterone on
cyclooxygenase (COX) 2, prostaglandin F synthase (PTGFS, also known as PGFS), and …

The purposes of this study were to determine the separate and interactive functions of
progesterone and estradiol in regulating the cervical prostaglandin (PG) system in pregnant …

The use of transcervical artificial insemination in sheep is limited because of the anatomy of
the cervix, which restricts the passage of an inseminating pipette into the uterine lumen …

There is a degree of cervical relaxation in the ewe at estrus that is regulated by changes in
prostaglandin synthesis, prostaglandin receptor expression, and changes in the cervical …

Recent evidence suggests that ovine placental output of prostaglandin (PG) E2 rises
through late gestation partly because of a direct effect of cortisol on PGH2 synthase 2 (PGHS …

Contents Sex steroids in synergy with prostaglandins (PG) are involved in the regulation of
cyclic ovarian function. In this study, we investigated the mRNA expression of three genes …

Expression of the gene for prostaglandin synthase (PGS) was examined in whole
endometrial tissue derived from ewes during the oestrous cycle (Days 4–14), on Day 15 of …

Luteolysis in domestic species is mediated by the release of luteolytic pulses of
prostaglandin (PG) F2α by the uterus at the end of diestrus, which must be suppressed by …

In ruminants, endometrial prostaglandin F2α (PGF2α) is responsible for luteolysis and
prostaglandin E2 (PGE2) is thought to be involved in maternal recognition of pregnancy. In …

Although prostaglandin E 2 (PGE 2) has been identified as a central mediator of the cervical
ripening process, the mechanisms responsible for PGE 2 ripening are still poorly …