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Nongenomic action of progesterone inhibits oxytocin signaling through the ovine oxytocin receptor

Creator:: Bishop, Cecily V.
Abstract:: Experiments were conducted to characterize the nongenomic effects of progesterone (P4) on binding of oxytocin (OT) to the ovine oxytocin receptor (OTR) and signal transduction. The dose-response relationship of P4 to OT binding to the OTR in endometrium was examined. Progesterone interfered with the binding of OT to the OTR...
Resource Type:: Dissertation
Full Text:: especially am grateful to Dr Fred Stormshak for serving as a wonderful mentor these past four years (even

Utilization of lipid by primiparous beef heifers during the postpartum period

Creator:: Filley, Shelby Jean
Resource Type:: Dissertation
Full Text:: , Savery Award, and Fred. F. McKenzie Scholarship Foundations and Dr. Stormshak for additional support at

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:: to thank those faculty members who served on my graduate committee, especially Dr. Fred Menino for

Characteristics of preovulatory follicles of pubertal gilts

Creator:: Smith, Gary Daniel
Abstract:: Two experiments were conducted utilizing crossbred gilts to evaluate follicle characteristics at puberty and to determine the effect of exogenous estradio1-17β on embryonic mortality in the mature cycling gilt. Experiment 1 was conducted to compare preovulatory follicle numbers and sizes and follicular fluid concentrations of progesterone, estradio1-17β, plasminogen activator and...
Resource Type:: Masters Thesis
Full Text:: want to especially thank Dr. Fred Menino for his valuable scientific advice and for tolerating my

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:: Foremost among the people who contributed to the successful completion of this program are Dr. Fred

Embryonic mortality in pubertal gilts

Creator:: Archibong, Anthony Effanga
Abstract:: An experiment was conducted to compare the reproductive performance and serum concentrations of progesterone and estrogen of mated first (n=18) and third (n=18) estrous gilts slaughtered in equal numbers on days 3, 15 and 30 postmating. Fertilization rate did not differ between mated first and third estrous gilts. Embryonic survival...
Resource Type:: Dissertation
Full Text:: Bob Oltjen for their support of this agreement. I wish to express my sincere gratitude to Dr. Fred

Plasma membrane composition and luteinizing hormone receptors of ovine corpora lutea during early pregnancy

Creator:: Zelinski, Mary Beth
Abstract:: The lipid composition of plasma membranes of corpora lutea was examined to determine whether changes in this organelle occur during regression and early pregnancy in the ewe. Forty ewes were assigned to be necropsied on days 13 or 15 of the estrous cycle (D13-NP and D15-NP) or pregnancy (D13-P and...
Resource Type:: Dissertation
Full Text:: . Fred- rick Stormshak, Professor of Animal Science, for providing me with the opportunity to pursue

Endocrinology of fur growth and reproduction in mink

Creator:: Rose, William Jackson
Abstract:: Experiments were conducted to determine: 1) the effects of exogenous melatonin and reduced photoperiod on molting and growth of the winter pelage (fur) and 2) whether changes in serum prolactin levels of treated and control mink during this same period were correlated with growth of winter fur. Adult and kit...
Resource Type:: Dissertation
Full Text:: . Fred Stormshak, Professor of Animal Science, for serving as my major professor. His instruction in

Intrauterine migration of the porcine embryo

Creator:: Pope, William Frederick
Abstract:: The mechanism(s) involved with intrauterine migration of the porcine embryo was investigated. Twenty-four gilts on Days 6, 9 and 12 of gestation (Day 0 = 1st day of estrus) were utilized to examine the relationship between myometrial activity and intrauterine migration. On Day 2, embryos were flushed from one oviduct...
Resource Type:: Dissertation
Full Text:: acknowledge Dr. Fred Stormshak, Professor of Animal Science, 0.S.U., and Dr. Ralph Maurer, Research

Photoperiodic effects on serum glucocorticoids and fur growth in mink

Creator:: Weiss, Deborah Ellen
Abstract:: The relationship of glucocorticoid secretion to light-induced, early-winter priming of pelage in ranch mink was investigated. Sixteen Standard Dark, mature, female mink were exposed to natural light conditions of 45° North latitude beginning on December 13, 1977. A 2x4 cm area of the right hip of each animal was sheared...
Resource Type:: Masters Thesis
Full Text:: ACKNOWLEDGEMENTS The author wishes to acknowledge Dr. Fred Stormshak, Professor of Animal Science, for his

ScholarsArchive@OSU

Nongenomic action of progesterone inhibits oxytocin signaling through the ovine oxytocin receptor

Utilization of lipid by primiparous beef heifers during the postpartum period

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

Characteristics of preovulatory follicles of pubertal gilts

Oxytocin synthesis and release by the bovine corpus luteum

Embryonic mortality in pubertal gilts

Plasma membrane composition and luteinizing hormone receptors of ovine corpora lutea during early pregnancy

Endocrinology of fur growth and reproduction in mink

Intrauterine migration of the porcine embryo

Photoperiodic effects on serum glucocorticoids and fur growth in mink

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