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Creator:: Martin, Teri L.
Abstract:: Two experiments were conducted to investigate the effects of gonadotropin-releasing hormone (GnRH), administered twice during the same estrous cycle, on bovine luteal function. Eight mature beef cows, each cow serving as her own control, were injected intravenously (i.v.) with saline on days 2 and 8 of the cycle (day of...
Resource Type:: Masters Thesis
Full Text:: of rat anterior pituitary cells (Clayton et al., 1979). Based on target size analysis, the molecular

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:: onset of estrus in the ewe (Kaltenbach and Dunn, 1980; Hansel and Convey, 1983). The increase in

Creator:: Bertrand, Jennifer Elaine
Abstract:: To determine whether membrane-related events may be involved in attenuated luteal function after gonadotropin-releasing hormone (GnRH) administration, corpora lutea (CL) were removed from 10 beef heifers on day 7 of the estrous cycle after i.v. injection of GnRH or saline on day 2 of the cycle. Luteal slices were incubated...
Resource Type:: Dissertation
Full Text:: cellular LH pools and release of the gonadotropins themselves (Belchetz et al., 1978; Clayton, 1982

Creator:: Filley, Shelby Jean
Resource Type:: Dissertation
Full Text:: during the breeding season (Dunn et al., 1969). Subsequent studies revealed high energy level increased

Creator:: Whitmore, Diana L.
Resource Type:: Masters Thesis
Full Text:: synthesizing progesterone (Murdoch and Dunn, 1982) and prostaglandins (Murdoch et al., 1981). It has been

Creator:: Gendron, Eric
Abstract:: Half Polypay ewe lambs were bred to Suffolk, North Country Cheviot and Hampshire rams to lamb at about one year of age. Type of birth-rearing significantly affected mortality by 70 days of age and all weights of lambs from birth to weaning. The mortality rate at 70 days of age...
Resource Type:: Masters Thesis

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

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