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Expression of Follicle Stimulating Hormone (FSHβ) and its Receptor (FSHR) within the Ovine Placentome

Creator:: Wu, Eleas M.
Abstract:: Follicle stimulating hormone (FSH) plays a key role in the ewe’s estrous cycle but understanding its continued importance during pregnancy is not well understood. Researchers have proposed a model theorizing that a cascade of hormones is responsible for pregnancy maintenance. Weems et al. proposed a model for placental progesterone production;...
Resource Type:: Masters Thesis
Full Text:: Expression of Follicle Stimulating Hormone (FSH) and its Receptor (FSHR) within the Ovine Placentome

Nongenomic inhibition of oxytocin binding by progesterone in ovine uteri

Creator:: Dunlap, Kathrin Anson
Abstract:: Effects of progesterone (P₄) and mifepristone (RU 486) on binding of oxytocin (OT) to its ovine uterine receptor (OTR) were studied in two experiments. Two additional experiments were conducted to evaluate specific binding sites for P4 in endometrial plasma membranes. In Exp. 1, ovariectomized ewes were injected with estradiol-17β (E₂)...
Resource Type:: Masters Thesis
Full Text:: et al., 1990; Wathes and Hamon, 1993). The release of follicle stimulating hormone (FSH) allows for

Mechanisms of estradiol-17β-induced down-regulation of ovine uterine oxytocin receptors during the estrous cycle

Creator:: Hazzard, Timothy McLagan
Resource Type:: Dissertation
Full Text:: follicle selection during the follicular wave. Alternatively, the expression of mRNA for FSH receptor

Corpus luteum function in hysterectomized and unilaterally hysterectomized ewes treated with gonadotropin-releasing hormone

Creator:: Whitmore, Diana L.
Resource Type:: Masters Thesis
Full Text:: hormone (LH) and follicle stimulating hormone (FSH) from the anterior pituitary, which are under the

Characterization of the plasminogen activator produced by ovine embryos and evaluation of its physiologic role in early development

Creator:: Bartlett, Susan E.
Resource Type:: Masters Thesis
Full Text:: produced by ovine embryos and evaluation of its physiologic role in early development AN ABSTRACT OF THE

Reproductive Effects of PG-600 Administration in Ewes

Creator:: Habeeb, Hayder
Abstract:: Sheep are seasonally polyestrus, which means they do exhibit estrus and ovulation during the short daylight (breeding season) and do not during the long daylight (nonbreeding season). To stimulate the ewes to ovulate during the nonbreeding season, various hormonal treatments have been used. PG-600 contains both equine chorionic gonadotropin and...
Resource Type:: Dissertation
Full Text:: estrogen receptor concentration [ESR] and follicle stimulating hormone receptor (FSHR) expression

Membrane-type matrix metalloproteinase and inhibitor expression in sheep embryos and uterus

Creator:: Paul, Katy Beth
Abstract:: Expression of membrane-type matrix metalloproteinases (MT) and tissue inhibitors of matrix metalloproteinases (TIMP) was evaluated in sheep embryos and uterus during the pre- and peri-implantation periods. Embryos and uterine samples were surgically collected from ewes on days 9, 11, 13, and 15 of pregnancy (n=3 ewes/day) and of the estrous...
Resource Type:: Masters Thesis
Full Text:: after the onset of estrus ............... 26 5. TIMP and i8S rRNA expression in the sheep uterus

The role of the plasminogen activator system in the etiology of ovarian follicular cysts in dairy cattle

Creator:: McNeel, Anthony Kent
Abstract:: Cystic ovarian disease (COD) is an anovulatory condition in cattle that afflicts between 6-18% of all dairy cows in the US. Ovulation is dependent on the plasminogen activator (PA) family of proteases and protease inhibitor for proteolysis, culminating in follicular rupture. Failure of the follicle to ovulate suggests an aberration...
Resource Type:: Dissertation
Full Text:: secrete the 507 glycoproteins follicle stimulating hormone (FSH) and luteinizing 508 hormone (LH) with

Effects of Maternal Treatment with Testosterone Proprionate in Ewes from Day 30-60 of Gestation on Male Offspring Potential Fertility

Creator:: Scully, Clare M.
Abstract:: Prenatal exposure to excess androgens, testosterone in particular, has clear effects on potential ram fertility. Utilizing breeding soundness examinations in male sheep will assess the ram's potential ability to impregnate a certain number of healthy females during a defined breeding season. Identifying rams that have high breeding potential can provide...
Resource Type:: Masters Thesis
Full Text:: studies addressed potential fertility of rams, how it can be assessed and how it can be manipulated. The

ScholarsArchive@OSU

Expression of Follicle Stimulating Hormone (FSHβ) and its Receptor (FSHR) within the Ovine Placentome

Nongenomic inhibition of oxytocin binding by progesterone in ovine uteri

Mechanisms of estradiol-17β-induced down-regulation of ovine uterine oxytocin receptors during the estrous cycle

Corpus luteum function in hysterectomized and unilaterally hysterectomized ewes treated with gonadotropin-releasing hormone

Characterization of the plasminogen activator produced by ovine embryos and evaluation of its physiologic role in early development

Reproductive Effects of PG-600 Administration in Ewes

Membrane-type matrix metalloproteinase and inhibitor expression in sheep embryos and uterus

The role of the plasminogen activator system in the etiology of ovarian follicular cysts in dairy cattle

Effects of Maternal Treatment with Testosterone Proprionate in Ewes from Day 30-60 of Gestation on Male Offspring Potential Fertility

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