Journal of Neuroendocrinology

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Glutamate Inhibits Ingestive Behaviour
Journal of Neuroendocrinology - Tập 6 Số 4 - Trang 403-408 - 1994
I. Bednar, Minping Qian, A. Aziz Qureshi, Lillemor Källström, Allan E. Johnson, Hugo F. Carrer, Per Södersten
AbstractMale rats treated with reserpine were motionless and ingested only a few of ten consecutive intraoral injections of a 1 M solution of sucrose. While injection of apomorphine, a dopamine agonist, stimulated locomotion and stereotyped sniffing in reserpinized rats, it did not reactivate ingestive responses. The non‐competitive N‐methyl‐D‐aspartate receptor an...... hiện toàn bộ
Sex‐Related Differences in Dendritic Branching of Cells in the Prefrontal Cortex of Rats
Journal of Neuroendocrinology - Tập 3 Số 1 - Trang 95-99 - 1991
Bryan Kolb, Jane Stewart
AbstractMale and female Sprague‐Dawley rats were given either gonadectomies or sham surgery on the day of birth. In adulthood they were sacrificed and prepared for Golgi‐Cox staining. Using a camera lucida technique, layer II/III pyramidal neurons were drawn in the anterior cingulate cortex areas 1 and 3 and the agranular insular cortex and the number of dendritic ...... hiện toàn bộ
Low Temperature Stimulates α‐Melanophore‐Stimulating Hormone Secretion and Inhibits Background Adaptation in Xenopus laevis
Journal of Neuroendocrinology - Tập 16 Số 11 - Trang 894-905 - 2004
Yoshikazu Tonosaki, Peter M. J. M. Cruijsen, Keiji Nishiyama, Hiroyuki Yaginuma, Eric W. Roubos
AbstractIt is well‐known that α‐melanophore‐stimulating hormone (α‐MSH) release from the amphibian pars intermedia (PI) depends on the light condition of the animal's background, permitting the animal to adapt the colour of its skin to background light intensity. In the present study, we carried out nine experiments on the effect of low temperature on this skin ada...... hiện toàn bộ
Distribution and Acute Stressor‐Induced Activation of Corticotrophin‐Releasing Hormone Neurones in the Central Nervous System of Xenopus laevis
Journal of Neuroendocrinology - Tập 16 Số 11 - Trang 880-893 - 2004
Meng Yao, Nicole J. Westphal, Robert J. Denver
AbstractIn mammals, corticotrophin‐releasing hormone (CRH) and related peptides are known to play essential roles in the regulation of neuroendocrine, autonomic and behavioural responses to physical and emotional stress. In nonmammalian species, CRH‐like peptides are hypothesized to play similar neuroendocrine and neurocrine roles. However, there is relatively litt...... hiện toàn bộ
Brain‐Derived Neurotrophic Factor in the Brain of Xenopus laevis May Act as a Pituitary Neurohormone Together with Mesotocin
Journal of Neuroendocrinology - Tập 18 Số 6 - Trang 454-465 - 2006
Marinella Calle, L. Wang, F. J. Kuijpers, Peter M. J. M. Cruijsen, Lut Arckens, Eric W. Roubos
AbstractBrain‐derived neurotrophic factor (BDNF), a member of the neurotrophin family, occurs abundantly in the brain, where it exerts a variety of neural functions. We previously demonstrated that BDNF also exists in the endocrine melanotroph cells in the intermediate lobe of the pituitary gland of the amphibian Xenopus laevis, suggestin...... hiện toàn bộ
Activity‐Dependent Dynamics of Coexisting Brain‐Derived Neurotrophic Factor, Pro‐Opiomelanocortin and α‐Melanophore‐Stimulating Hormone in Melanotrope Cells ofXenopus laevis
Journal of Neuroendocrinology - Tập 16 Số 1 - Trang 19-25 - 2004
L. C. Wang, Hans Meijer, Bruno M. Humbel, Bruce G. Jenks, Eric W. Roubos
AbstractBrain‐derived neurotrophic factor (BDNF) is involved as an autocrine factor in the regulation of the secretory activity of the neuroendocrine pituitary melanotrope cells ofXenopus laevis. We studied the subcellular distribution of BDNF inXenopusmelanotropes using a combination of high‐pressure freezing, ...... hiện toàn bộ
Diurnal Change of Thyroid‐Stimulating Hormone mRNA Expression in the Rat Pars Tuberalis
Journal of Neuroendocrinology - Tập 19 Số 11 - Trang 839-846 - 2007
Sayaka Aizawa, Satoya Hoshino, Ichiro Sakata, Akio Adachi, Sayaka Yashima, Atsuhiko Hattori, Tatsuo Sakai
Thyroid‐stimulating hormone (TSH)‐producing cells (TSH cells), which account for a large fraction of the cells in the rat pars tuberalis (PT), have been found to express MT1 melatonin receptor and mammalian clock genes at high densities. Although these findings suggest that TSH production in the rat PT is regulated by melatonin and/or the biological clock, there have been no studies focusi...... hiện toàn bộ
Ghrelin‐Induced Growth Hormone Release From Isolated Rat Anterior Pituitary Cells Depends on Intracellullar and Extracellular Ca2+ Sources
Journal of Neuroendocrinology - Tập 16 Số 10 - Trang 825-831 - 2004
Mami Yamazaki, Haruo Kobayashi, Tohru Tanaka, Kenji Kangawa, Kinji Inoue, Tatsuo Sakai
AbstractGhrelin, a novel growth hormone (GH)‐releasing peptide, was isolated from the rat stomach as an endogenous ligand to the growth hormone secretagogues receptor. It is known that ghrelin stimulates the release of GH from the rat anterior pituitary gland, but the intracellular signal cascade in somatotrophs has not yet been clarified. In this study, using an i...... hiện toàn bộ
GHRP6‐Stimulated Hormone Secretion in Somatotrophs: Involvement of Intracellular and Extracellular Calcium Sources
Journal of Neuroendocrinology - Tập 8 Số 4 - Trang 309-314 - 1996
Laurence Bresson-Bepoldin, L. Dufy-Barbe
GHRP6 is a synthetic hexapeptide which stimulates growth hormone (GH) secretion from the pituitary in vivo and in vitro. We have previously shown that in identified somatotrophs, GHRP6 induces a biphasic increase in cytosolic Ca2+ concentration ([Ca2+]i) consisting of an abrupt increase (first p...... hiện toàn bộ
Regulational Effect of Ghrelin on Growth Hormone Secretion from Perifused Rat Anterior Pituitary Cells
Journal of Neuroendocrinology - Tập 14 Số 2 - Trang 156-162 - 2002
Mami Yamazaki, Kazuaki Nakamura, Haruo Kobayashi, Maki Matsubara, Yoshitaka Hayashi, Kenji Kangawa, Tatsuo Sakai
AbstractGhrelin, a novel growth hormone (GH)‐releasing peptide, was recently isolated from the rat stomach as an endogenous ligand to growth hormone secretagogue receptor (GHS‐R). Ghrelin specifically stimulates the release of GH from the rat anterior pituitary gland, but the regulational effect of ghrelin on GH secretion has not yet been clarified. We used a perif...... hiện toàn bộ
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