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Factors affecting luteal oxytocin synthesis and/or secretion by the ovine and bovine corpus luteum

Creator:: Paslay, Elizabeth M.
Abstract:: Experiments were conducted to determine whether endogenous progesterone regulates synthesis and/or secretion of luteal oxytocin (OT). In experiment 1, mature ewes (n=5 per group) were assigned randomly to control or mifepristone (RU 486) treatment groups. Ewes were injected twice daily s.c. with vehicle or 10 mg RU 486 from days...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Elizabeth M. Paslay for the degree

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

Creator:: Whitmore, Diana L.
Resource Type:: Masters Thesis
Full Text:: receptors in the endometrium of the uterus (Roberts et al., 1976; Robinson et al., 1976; McCracken et al

Prostaglandin F α-induced signal transduction mechanism regulating the secretion of oxytocin from the bovine corpus lutem

Creator:: Orwig, Kyle Edwin
Resource Type:: Dissertation

Secretion of luteinizing hormone in response to exogenous melatonin in postpartum beef cows and ovariectomized beef heifers

Creator:: Sucheta, Susan Leers
Resource Type:: Dissertation
Full Text:: positive, the learning experience was invaluable. I also gratefully acknowledge Dr. D. J. Bolt, USDA

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

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:: from one or both ovaries (Curson, 1934; Boyd et al., 1944; Wallace, 1948; Robinson, 1951; Hafez

Factors affecting prolactin secretion in the African elephant

Creator:: Bechert, Ursula S.
Abstract:: Prolactin (PRL) is a peptide hormone that is involved in a number of diverse physiologic roles, particularly with respect to reproduction, including: influencing sexual and parental behaviors, onset of puberty, regulation of seasonal reproduction, follicular maturation, ovulation, luteinization and corpus luteum (CL) function, steroidogenesis, mammary gland development and lactation, testicular...
Resource Type:: Dissertation
Full Text:: was recently identified as (Z)-7-dodecen-l-y1 acetate (Rasmussen et al., 1996). Females also utilize

Cyclopropenoid fatty acid-induced suppression of ovine corpus luteum function

Creator:: Cortell, Anna Katherine
Resource Type:: Masters Thesis
Full Text:: preconditioning of the central nervous system to the estrus-inducing properties of estrogen (Robinson, 1954) and

Involvement of myristoylated alanine-rich c kinase substrate (MARCKS) protein in prostaglandin F2α- induced secretion of oxytocin by the bovine corpus luteum

Creator:: Salli, Ugur
Abstract:: Prostaglandin F₂α (PGF₂α), a stimulatory hormone of luteal oxytocin secretion, is known to activate protein kinase C (PKC); however, the intracellular signals that promote exocytosis of oxytocin remain to be elucidated. Myristoylated alanine-rich C kinase substrate (MARCKS), a protein specifically phosphorylated by PKC, crosslinks actin filaments associated with the inner...
Resource Type:: Dissertation

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:: rapid atresia and their replacement is blocked (Robinson and Nalbandov, 1951; Clark et al., 1982) The

ScholarsArchive@OSU

Factors affecting luteal oxytocin synthesis and/or secretion by the ovine and bovine corpus luteum

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

Prostaglandin F α-induced signal transduction mechanism regulating the secretion of oxytocin from the bovine corpus lutem

Secretion of luteinizing hormone in response to exogenous melatonin in postpartum beef cows and ovariectomized beef heifers

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

Intrauterine migration of the porcine embryo

Factors affecting prolactin secretion in the African elephant

Cyclopropenoid fatty acid-induced suppression of ovine corpus luteum function

Involvement of myristoylated alanine-rich c kinase substrate (MARCKS) protein in prostaglandin F2α- induced secretion of oxytocin by the bovine corpus luteum

Characteristics of preovulatory follicles of pubertal gilts

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