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  • 1
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    Cloning of a second type of activin receptor and functional characterization in Xenopus embryos (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-03-27
    Description: A complementary DNA coding for a second type of activin receptor (ActRIIB) has been cloned from Xenopus laevis that fulfills the structural criteria of a transmembrane protein serine kinase. Ectodermal explants from embryos injected with activin receptor RNA show increased sensitivity to activin, as measured by the induction of muscle actin RNA. In addition, injected embryos display developmental defects characterized by inappropriate formation of dorsal mesodermal tissue. These results demonstrate that this receptor is involved in signal transduction and are consistent with the proposed role of activin in the induction and patterning of mesoderm in Xenopus embryos.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mathews, L S -- Vale, W W -- Kintner, C R -- DK-26741/DK/NIDDK NIH HHS/ -- HD-07343/HD/NICHD NIH HHS/ -- HD-13275/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1992 Mar 27;255(5052):1702-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Clayton Foundation Laboratories for Peptide Biology, Salk Institute, La Jolla, CA 92037.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1313188" target="_blank"〉PubMed〈/a〉
    Keywords: Activin Receptors ; Activins ; Amino Acid Sequence ; Animals ; Cloning, Molecular ; DNA/genetics ; Inhibins/*physiology ; Membrane Proteins/genetics ; Molecular Sequence Data ; Protein Kinases/genetics ; Protein-Serine-Threonine Kinases ; Receptors, Cell Surface/*genetics ; Signal Transduction ; Xenopus laevis/embryology/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    Appetite-suppressing effects of urocortin, a CRF-related neuropeptide (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-09-13
    Description: The neuropeptide corticotropin-releasing factor (CRF) is well known to act on the central nervous system in ways that mimic stress and result in decreases in exploration, increases in sympathetic activity, decreases in parasympathetic outflow, and decreases in appetitive behavior. Urocortin, a neuropeptide related to CRF, binds with high affinity to the CRF2 receptor, is more potent than CRF in suppressing appetite, but is less potent than CRF in producing anxiety-like effects and activation. Doses as low as 10 nanograms injected intracerebroventricularly were effective in decreasing food intake in food-deprived and free-feeding rats. These results suggest that urocortin may be an endogenous CRF-like factor in the brain responsible for the effects of stress on appetite.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Spina, M -- Merlo-Pich, E -- Chan, R K -- Basso, A M -- Rivier, J -- Vale, W -- Koob, G F -- 1 F05 TW05262/TW/FIC NIH HHS/ -- DK 26741/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1996 Sep 13;273(5281):1561-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuropharmacology, Scripps Research Institute, 10666 North Torrey Pines Road, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8703220" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Appetite/*drug effects ; Appetite Depressants/administration & dosage/metabolism/*pharmacology ; Behavior, Animal/drug effects ; Blood Pressure/drug effects ; Carrier Proteins/metabolism ; Corticotropin-Releasing Hormone/administration & dosage/metabolism/*pharmacology ; Dose-Response Relationship, Drug ; Eating/drug effects ; Fasting ; Injections, Intraventricular ; Motor Activity/drug effects ; Rats ; Rats, Wistar ; Receptors, Corticotropin-Releasing Hormone/metabolism ; Urocortins ; Urotensins/pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Functional amyloids as natural storage of peptide hormones in pituitary secretory granules (2009)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2009-06-23
    Description: Amyloids are highly organized cross-beta-sheet-rich protein or peptide aggregates that are associated with pathological conditions including Alzheimer's disease and type II diabetes. However, amyloids may also have a normal biological function, as demonstrated by fungal prions, which are involved in prion replication, and the amyloid protein Pmel17, which is involved in mammalian skin pigmentation. We found that peptide and protein hormones in secretory granules of the endocrine system are stored in an amyloid-like cross-beta-sheet-rich conformation. Thus, functional amyloids in the pituitary and other organs can contribute to normal cell and tissue physiology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2865899/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2865899/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maji, Samir K -- Perrin, Marilyn H -- Sawaya, Michael R -- Jessberger, Sebastian -- Vadodaria, Krishna -- Rissman, Robert A -- Singru, Praful S -- Nilsson, K Peter R -- Simon, Rozalyn -- Schubert, David -- Eisenberg, David -- Rivier, Jean -- Sawchenko, Paul -- Vale, Wylie -- Riek, Roland -- P01 DK026741/DK/NIDDK NIH HHS/ -- P01 DK026741-29/DK/NIDDK NIH HHS/ -- P01 DK026741-30/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2009 Jul 17;325(5938):328-32. doi: 10.1126/science.1173155. Epub 2009 Jun 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Physical Chemistry, Eidgenossische Technische Hochschule (ETH) Zurich, Wolfgang-Paulistrasse 10, CH-8093 Zurich, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19541956" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenocorticotropic Hormone/chemistry/metabolism ; Amyloid/*chemistry/metabolism ; Animals ; Cell Survival ; Corticotropin-Releasing Hormone/chemistry/metabolism ; Heparin, Low-Molecular-Weight/chemistry ; Humans ; Hydrogen-Ion Concentration ; Mice ; Neurons/cytology/physiology ; Peptide Hormones/*chemistry/metabolism ; Pituitary Gland/*chemistry ; Pituitary Gland, Anterior/chemistry/metabolism ; Pituitary Gland, Posterior/chemistry/metabolism ; Pituitary Hormones/*chemistry/metabolism ; Protein Conformation ; Rats ; Secretory Vesicles/*chemistry/metabolism ; Sheep ; Urocortins/chemistry/metabolism ; beta-Endorphin/chemistry/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Inhibition of adrenocorticotropic hormone secretion in the rat by immunoneutralization of corticotropin-releasing factor (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-10-22
    Description: Intravenous administration of rabbit antiserum to ovine corticotropin-releasing factor (CRF) markedly reduced the CRF-induced rise of plasma adrenocorticotropic hormone (ACTH) in intact nonstressed adult male rats while blocking more than 75 percent of the ACTH release observed in rats exposed to ether stress. Furthermore, antiserum to CRF significantly lowered ACTH levels in adrenalectomized animals. These results suggest that endogenous CRF plays a physiological role in regulating ACTH secretion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rivier, C -- Rivier, J -- Vale, W -- AM18811/AM/NIADDK NIH HHS/ -- AM20917/AM/NIADDK NIH HHS/ -- AM26741/AM/NIADDK NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1982 Oct 22;218(4570):377-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6289439" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenalectomy ; Adrenocorticotropic Hormone/blood/*secretion ; Animals ; Antibodies ; Antigen-Antibody Complex ; Corticotropin-Releasing Hormone/*immunology ; Male ; Rats ; Secretory Rate/drug effects
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Inhibition of gastric acid secretion in rats by intracerebral injection of corticotropin-releasing factor (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-11-25
    Description: Intracisternal injection of ovine corticotropin-releasing factor (CRF) into the pylorus-ligated rat or the rat with gastric fistula resulted in a dose-dependent inhibition of gastric secretion stimulated with pentagastrin or thyrotropin-releasing hormone. When injected into the lateral hypothalamus--but not when injected into the cerebral cortex--CRF suppressed pentagastrin-stimulated acid secretion. The inhibitory effect of CRF was blocked by vagotomy and adrenalectomy but not by hypophysectomy or naloxone treatment. These results indicate that CRF acts within the brain to inhibit gastric acid secretion through vagal and adrenal mechanisms and not through hypophysiotropic effects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tache, Y -- Goto, Y -- Gunion, M W -- Vale, W -- River, J -- Brown, M -- AM30110/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1983 Nov 25;222(4626):935-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6415815" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenalectomy ; Animals ; Brain/*drug effects ; Cerebral Cortex/drug effects ; Corticotropin-Releasing Hormone/administration & dosage/*pharmacology ; Dose-Response Relationship, Drug ; Gastric Acid/*secretion ; Hypophysectomy ; Hypothalamus/drug effects ; Male ; Pentagastrin/antagonists & inhibitors ; Rats ; Rats, Inbred Strains ; Thyrotropin-Releasing Hormone/antagonists & inhibitors ; Vagotomy
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Elevated concentrations of CSF corticotropin-releasing factor-like immunoreactivity in depressed patients (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-14
    Description: The possibility that hypersecretion of corticotropin-releasing factor (CRF) contributes to the hyperactivity of the hypothalamo-pituitary-adrenal axis observed in patients with major depression was investigated by measuring the concentration of this peptide in cerebrospinal fluid of normal healthy volunteers and in drug-free patients with DSM-III diagnoses of major depression, schizophrenia, or dementia. When compared to the controls and the other diagnostic groups, the patients with major depression showed significantly increased cerebrospinal fluid concentrations of CRF-like immunoreactivity; in 11 of the 23 depressed patients this immunoreactivity was greater than the highest value in the normal controls. These findings are concordant with the hypothesis that CRF hypersecretion is, at least in part, responsible for the hyperactivity of the hypothalamo-pituitary-adrenal axis characteristic of major depression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nemeroff, C B -- Widerlov, E -- Bissette, G -- Walleus, H -- Karlsson, I -- Eklund, K -- Kilts, C D -- Loosen, P T -- Vale, W -- MH-36157/MH/NIMH NIH HHS/ -- MH-39415/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1984 Dec 14;226(4680):1342-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6334362" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Corticotropin-Releasing Hormone/*cerebrospinal fluid ; Dementia/cerebrospinal fluid ; Depressive Disorder/*cerebrospinal fluid ; Female ; Humans ; Male ; Middle Aged ; Radioimmunoassay ; Schizophrenia/cerebrospinal fluid
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Growth hormone-releasing factor stimulates pancreatic enzyme secretion (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-07-20
    Description: Growth hormone-releasing factors (GRF's) from two human pancreatic tumors (hpGRF's) that caused acromegaly and from the rat hypothalamus ( rhGRF ) were recently isolated and characterized. Although these peptides are potent growth hormone secretagogues, they have not until now been described to have actions outside the pituitary. These GRF's were shown to stimulate digestive enzyme secretion from an exocrine pancreatic preparation in vitro, rhGRF being more than 100 times as potent as hpGRF. Adenosine 3',5'-monophosphate mediates this action of the GRF's.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pandol, S J -- Seifert, H -- Thomas, M W -- Rivier, J -- Vale, W -- AM 26741/AM/NIADDK NIH HHS/ -- AM 33010/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1984 Jul 20;225(4659):326-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6204379" target="_blank"〉PubMed〈/a〉
    Keywords: Amylases/metabolism ; Animals ; Cyclic AMP/metabolism ; Growth Hormone-Releasing Hormone/*pharmacology ; Guinea Pigs ; Humans ; Pancreas/*drug effects/enzymology/secretion ; Pancreatic Neoplasms/metabolism ; Pituitary Gland/metabolism ; Rats ; Vasoactive Intestinal Peptide/pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
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    Corticotropin-releasing factor receptors in rat forebrain: autoradiographic identification (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-29
    Description: Corticotropin-releasing factor (CRF) receptors were identified in rat forebrain by autoradiography with an iodine-125-labeled analog of ovine CRF substituted with norleucine and tyrosine at amino acid residues 21 and 32, respectively. High-affinity receptors for CRF were found in discrete areas of rat forebrain, including laminae I and IV of the neocortex, the external layer of the medium eminence, the lateral nucleus of the amygdala, and the striatum. These results are consistent with earlier findings on the immunohistochemical distribution of CRF and suggest that endogenous CRF has a physiological role in regulating activity of the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉De Souza, E B -- Perrin, M H -- Insel, T R -- Rivier, J -- Vale, W W -- Kuhar, M J -- AM26741/AM/NIADDK NIH HHS/ -- MH00053/MH/NIMH NIH HHS/ -- MH25951/MH/NIMH NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1984 Jun 29;224(4656):1449-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6328656" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/physiology ; Animals ; Autoradiography ; Brain/*physiology ; Median Eminence/physiology ; Rats ; Receptors, Cell Surface/*physiology ; Receptors, Corticotropin-Releasing Hormone ; Visual Cortex/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
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  • 9
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    Antireproductive effects of a potent gonadotropin-releasing hormone antagonist in the male rat (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-10-03
    Description: Administration of a potent antagonist of gondadotropin-releasing hormone (GnRH) antagonist [Ac-dehydro-Pro1, pCl-D-Phe2, D-Trp3,6]-N alpha-MeLeu7-GnRH to adult male rats for 2 weeks resulted in decreased testosterone production and sexual organ weights and in disrupted spermatogenesis. The results demonstrate the essential role of gonadotropin-releasing hormone in the maintenance of reproductive functions and have implications for the regulation of male fertility.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rivier, C -- Rivier, J -- Vale, W -- HD09690/HD/NICHD NIH HHS/ -- RFP CD-78-5/FP/OFP OPHS HHS/ -- New York, N.Y. -- Science. 1980 Oct 3;210(4465):93-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6774418" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chorionic Gonadotropin/pharmacology ; Drug Interactions ; Follicle Stimulating Hormone/blood ; *Gonadotropin-Releasing Hormone/*analogs & derivatives ; Infertility, Male/*chemically induced ; Luteinizing Hormone/blood ; Male ; Organ Size ; Pituitary Hormone Release Inhibiting Hormones/*pharmacology ; Pituitary Hormone-Releasing Hormones/*antagonists & inhibitors/physiology ; Prostate/drug effects ; Rats ; Seminal Vesicles/drug effects ; Spermatogenesis/drug effects ; Testis/drug effects ; Testosterone/blood
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Characterization of a 41-residue ovine hypothalamic peptide that stimulates secretion of corticotropin and beta-endorphin (1981)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1981-09-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vale, W -- Spiess, J -- Rivier, C -- Rivier, J -- AM 18811/AM/NIADDK NIH HHS/ -- AM 20917/AM/NIADDK NIH HHS/ -- AM 26741/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1981 Sep 18;213(4514):1394-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6267699" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenocorticotropic Hormone/*secretion ; Amino Acid Sequence ; Amphibian Proteins ; Angiotensinogen ; Animals ; Corticotropin-Releasing Hormone/*isolation & purification ; Endorphins/*secretion ; Hypothalamo-Hypophyseal System/physiology ; Peptide Hormones ; Peptides ; Pituitary Gland, Anterior/*secretion ; Pituitary Hormone-Releasing Hormones/*isolation & purification ; Radioimmunoassay ; Sheep ; Structure-Activity Relationship
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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