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Showing 1 to 20 of 51 for “"Anterior pituitary"”.

  1. Dense Core Vesicle Heterogeneity in Anterior Pituitary Cells

    Sinak, Kelly2018

    <p>Peptides, which are packaged in dense core vesicles, are an integral part of the function of the endocrine and neurological systems. The dense core vesicles function as an efficient form of peptide storage prior to regulated exocytosis. Two different dense core specific transmembrane proteins …

    denver Repository record

  2. Ion channels and electrical excitability in native murine anterior pituitary corticotrophs

    Liang, ZhiThe University of Edinburgh2013

    As a central component of the hypothalamic-pituitary-adrenal (HPA) axis, the anterior pituitary corticotrophs play an important role in the regulation of HPA axis function and the neuroendocrine response to stress. Pituitary corticotrophs integrate stress-induced stimulatory signals (CRH and AVP) …

    edinburgh Repository record

  3. The regulation of luteinizing hormone exocytosis in α-toxin permeabilized sheep anterior pituitary cells

    Van der Merwe, Philip AntonDivision of Chemical Pathology1990

    … was found to stimulate cAMP production in intact pituitary cells. Since previous studies have shown that GnRH activates PKC and stimulates a rise in cytosolic [Ca²⁺]free, these results suggest that a synergistic interaction of the cAMP, PKC and Ca²⁺ second messenger systems is of importance in the …

    cape-town Repository record

  4. A Morphological Study of Paracrine Interactions in the Anterior Pituitary of Lactating Rats Using Immunogold Techniques

    Statton, Maria K.

    … relationship between the hypothalamus and the pituitary, and the relationship between the different cell types in the anterior pituitary.</p> <p>The present study was undertaken to assess the changes that take place in the relationships between lactotropes and luteotropes in the anterior …

    nodak Repository record

  5. Correction of Defects Induced by 'Hypophysectomy' in Chicken Embryos by Grafts of Embryonic Anterior Pituitary Glands

    Betz, Thomas WilliamUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-10T18:13:27Z (GMT). No. of bitstreams: 1 6604141.pdf: 3186508 bytes, checksum: ab8e8332963be399f5c26ff370bdbdef (MD5) Previous issue date: 1965

    uiuc Repository record

  6. Immunocytochemical light microscopy and transmission electron microscopy study of growth hormone secreting cells in the porcine anterior pituitary

    Lee, Jin-Sook2003

    <p>The anterior pituitary contains cells that produce and secrete growth hormone (GH) into the circulating blood that plays a critical role in muscle accretion, lipolysis and lean growth in the pig. GH cells (somatotrophs) characterized as specific topographical localizations in the anterior …

    iastate Repository record

  7. Microspectrophotometric Measurements of Deoxyribonucleic Acid in Feulgen-Stained Nuclei of the Anterior Pituitary Cells of the White Rat

    Millhouse, Edward William, Jr.University of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-04T22:46:14Z (GMT). No. of bitstreams: 1 6003960.pdf: 2082628 bytes, checksum: 75ae328f78610c8056682b9b6055f9d1 (MD5) Previous issue date: 1960

    uiuc Repository record

  8. Capacity of Anterior Pituitary Grafts to Correct Modified Growth and Development of Selected Long Bones of Hypophysectomized Chick Embryos

    Mehall, Andrew GeraldUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-12T01:27:30Z (GMT). No. of bitstreams: 1 7114868.pdf: 7519799 bytes, checksum: f01b8ed4921287ed45a59bebdf4337dd (MD5) Previous issue date: 1970

    uiuc Repository record

  9. Role of Endogenous Dopamine in Regulation of Anterior Pituitary Hormone Secretion During Early Postpartum and Various Stages of the Estrous Cycle in Holstein Cows

    Ahmadzadeh, AminVirginia Tech1998

    The role of endogenous dopamine, utilizing a dopamine antagonist (fluphenazine; FLU), in modulation of gonadotropin, growth hormone (GH) and prolactin (PRL) secretion during the early postpartum period and various stages of the estrous cycle was investigated in Holstein cows. Experiment 1 was …

    vt Repository record

  10. The effect of photoperiod on central steroid receptor expression and plasma hormone concentration in the ring dove (Streptopelia Risoria)

    Woodcock, Christine PamelaUniversity of Central Lancashire2001

    … immunoreactivity (PR-ir) within the brain and anterior pituitary gland of both male and female ring doves. Quantitative analysis revealed that there was no significant variation (P>0.05) in plasma prolactin concentrations of short day and long day (non breeding) doves of either sex. Plasma LH …

    cent-lancashire Repository record

  11. A Lamprey Gonadotropin-releasing Hormone in the Bovine Brain

    Warner, Kara E.Southwest Texas State University2001

    Mammalian gonadotropin release from the anterior pituitary is under control of the hypothalamic luteinizing hormone-releasing hormone (LHRH) and a putative analog, follicle stimulating hormone-releasing factor (FSHRF). Analogs of mammalian LHRH and their receptors have been isolated in various …

    texas-state Repository record

  12. Effect of age and pregnancy on the murine melanocortin system in the female reproductive system

    Berruien, N.University of Westminster2019

    … MC expression in the female mouse hypothalamus, pituitary gland, ovary and uterus. Age influenced the expression of MC5 and POMC, whilst pregnancy altered the expression of MC2, MC4 and MC5. This research reports, for the first time, the characterisation of MRAP1 expression in the hypothalamus …

    westminster Repository record

  13. The neurobiology of parental behaviour of the ring dove (streptopelia risoria)

    Georgiou, George CostasUniversity of Central Lancashire1997

    … to determine the central nervous function of the anterior pituitary hormone prolactin and the neuropeptide VIP in incubation behaviour. Quantitative 2-deoxyglucose (2DG) autoradiography at the onset of incubation revealed an increase in uptake in the nucleus preopticus medialis (POM), nucleus …

    cent-lancashire Repository record

  14. Gonadal steroid regulation of luteinizing hormone-releasing hormone and luteinizing hormone release in the male sheep

    Lubbers, Laura SueUniversity of Illinois at Urbana-Champaign2011

    … and frequency, (3) E acts directly on the anterior pituitary gland to rapidly reduce responsiveness to LHRH, not by rapidly reducing LHRH release, and (4) tyrosine hydroxylase-containing neurons of A14 and A15 are activated concomitant with T-induced suppression of LH release. The …

    uiuc Repository record

  15. System identification of cortisol secretion : characterizing pulsatile dynamics

    Faghih, Rose TajMassachusetts Institute of Technology2014

    … hormone (ACTH) released from the anterior pituitary; in return, cortisol has a negative feedback effect on ACTH release. Modeling cortisol secretion and the interactions between ACTH and cortisol allows for quantifying normal and abnormal physiology and can potentially be used for …

    mit Repository record

  16. Characterization of Pituitary Protein Expression Patterns During Stages in the Reproductive Cycle of Turkey Hens

    Spellerberg, Amy MarieVirginia Tech2003

    … the hypothalamic-hypophyseal complex, namely the anterior pituitary, of the mature turkey hen have a profound impact on reproductive cycling (Scanes, 2000). One of the key physiological factors produced by the anterior pituitary and shown to play a significant role in the regulation of egg laying …

    vt Repository record

  17. The role of extracellular loop three of the human gonadotropin releasing hormone receptor in ligand selectivity

    Fromme, Bernhard JohannesDivision of Medical Biochemistry2001

    … GnRH type I receptors on the gonadotropes in the anterior pituitary. Activation of the GnRH receptor is required for the biosynthesis and release of luteinizing hormone (LH) and follicle stimulating hormone (FSH), which regulate reproductive function. Multiple forms of GnRH are present in most …

    cape-town Repository record

  18. Transcriptome analysis of the hypothalamic-pituitary-adrenal axis in the experimentally domesticated fox

    Hekman, Jessica PerryUniversity of Illinois at Urbana-Champaign2017

    … of the hormonal stress response, or hypothalamic-pituitary-adrenal (HPA) axis, has been associated with different personality traits and coping styles in humans and animals, while its dysregulation has been implicated in psychological disorders. The molecular basis of HPA axis regulation, however, …

    uiuc Repository record

  19. Evolution of the structure and function of vertebrate brain gonadotropin-releasing hormone

    Powell, R CDivision of Chemical Pathology1986

    … activity of fractions in a chicken dispersed anterior pituitary cell bioassay. Five GnRH molecular forms have thusfar been structurally characterized in vertebrate brain. In mammals a GnRH with the structure pGlu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH₂ has been demonstrated in the hypothalamus …

    cape-town Repository record

  20. Localization of Luteinizing Hormone-Releasing Hormone (LHRH) in the Hypothalamus of Fetal Bovine

    DeSimone, IvySouthwest Texas State University2001

    … are mammalian gonadotropins released from the anterior pituitary by Gonadotropin Releasing Hormone (GnRH) in the hypothalamus. Various analogs ofGnRH have been identified. Localization of these hormones is the first step in discovering the individual function of each analog. …

    texas-state Repository record

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