Index Catalog // ScholarsArchive@OSU

Luteinizing hormone receptor-mediated cell proliferation in canine T-cell lymphoma cells

Creator:: Flint, Camryn
Abstract:: Luteinizing hormone (LH) is secreted in low-amplitude pulses in sexually intact dogs to stimulate synthesis of estrogen and testosterone in females and males, respectively. LH is mainly considered a reproductive hormone, but LH receptors (LHR) have been identified in non-reproductive tissues, including in canine lymphoma and isolated canine T-cell lymphoma...
Resource Type:: Honors College Thesis
Full Text:: proliferation in canine T-cell lymphoma cells by Camryn Flint A THESIS

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:: regulates the proteolytic activity responsible for ovulation. Vitamin E supplementation reduces plasma

Steroid transformations in the pregnant mare: the effects of exogenous progestins and trilostane on the progestin milieu- in vivo and in vitro

Creator:: Schutzer, William E.
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF William E. Schutzer for the degree

Cortisol, pregnene and pregnane profiles in normal and dysmature newborn pony and lighthorse foals

Creator:: Voller, Bernadette E.
Resource Type:: Masters Thesis
Full Text:: dysmature newborn pony and lighthorse foals AN ABSTRACT OF THE THESIS OF Bernadette E. Voller for the

The use of natural plant extracts as a feed additive to prevent laminitis in lactating dairy cows

Creator:: Pierson, Miranda L.
Abstract:: Two experiments were conducted looking at both acute and sub-acute laminitis. An acute nutritional induction model was used to examine whether blood profiles and gene expression are similar to other studies conducted using an endotoxin induction model. Twelve sheep were randomly assigned to three treatment groups which were control, 4-hour...
Resource Type:: Masters Thesis
Full Text:: : Neil E. Forsberg Two experiments were conducted looking at both acute and sub-acute laminitis. An

Oxytocin synthesis and release by the bovine corpus luteum

Creator:: Abdelgadir, Salaheldin Eltigani
Abstract:: Four experiments were conducted to determine oxytocin concen tration of bovine luteal tissue at different stages of the estrous cycle and to study the effects of prostaglandins F₂α (PGF₂α), E₂ (PGE₂), luteinizing hormone (LH), cycloheximide, colchicine and cytochalasin B on oxytocin synthesis and release in vitro. In experiment 1, luteal...
Resource Type:: Dissertation
Full Text:: Redacted for privacy D1k-. James E. (dfield Four experiments were conducted to determine oxytocin concen

Physiological factors affecting ovine uterine estrogen and progesterone receptor concentrations

Creator:: Prater, Patrice L.
Abstract:: Two experiments were conducted to determine whether in ewes uterine concentrations of estrogen and progesterone receptors are affected by the presence of a conceptus or by the hormonal milieu associated with extremes in photoperiod to which ewes are exposed. In Exp.1, nine mature ewes were unilaterally ovariectomized by removing an...
Resource Type:: Masters Thesis
Full Text:: cells that supply nutrients to the early embryo (Auletta and Flint, 1988; Clark and Markaverich, 1988

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:: estradiol-1 7 (E) and P4 to simulate an abbreviated estrous cycle (7 days) and then treated daily with 25

Reproductive endocrinology and vaginal cytology of the female llama (lama glama)

Creator:: Leon, Juan B.
Abstract:: Four studies were conducted in the llama (Lama glama) evaluating changes in reproductive physiology, vaginal cytology, and growth. Study I. Temporal changes in vaginal cytology were correlated with alterations in serum estradiol -17β and progesterone concentrations. A 2 * 2 factorial study examined the treatment effects of a) concurrent male...
Resource Type:: Dissertation
Full Text:: species 16 E. Growth characteristics of domestic species 29 III. Sexual behavior, vaginal cytology, and

Effects of conjugated linoleic acids on PGE₂, PGF₂α and progesterone production by bovine luteal cells in vitro

Creator:: May, Katherine C. P.
Abstract:: Feeding conjugated linoleic acids (CLA) improves reproductive performance in dairy cows; however, the molecular mechanisms by which CLA improves reproduction are not well understood. Therefore, we evaluated whether the CLA isomers, trans-10, cis-12 CLA and cis-9, trans-11 CLA altered synthesis of steroidogenic hormones in bovine luteal cells by measuring concentrations...
Resource Type:: Masters Thesis
Full Text:: , Sheldrick E, Marshall E, Wathes D, Abayasekara D, Flint A. 2007. Control of cyclic AMP concentration in

ScholarsArchive@OSU

Luteinizing hormone receptor-mediated cell proliferation in canine T-cell lymphoma cells

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

Steroid transformations in the pregnant mare: the effects of exogenous progestins and trilostane on the progestin milieu- in vivo and in vitro

Cortisol, pregnene and pregnane profiles in normal and dysmature newborn pony and lighthorse foals

The use of natural plant extracts as a feed additive to prevent laminitis in lactating dairy cows

Oxytocin synthesis and release by the bovine corpus luteum

Physiological factors affecting ovine uterine estrogen and progesterone receptor concentrations

Nongenomic inhibition of oxytocin binding by progesterone in ovine uteri

Reproductive endocrinology and vaginal cytology of the female llama (lama glama)

Effects of conjugated linoleic acids on PGE₂, PGF₂α and progesterone production by bovine luteal cells in vitro

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