PMID: 3770438Jun 1, 1986Paper

Evidence that vasoactive intestinal polypeptide is a physiological prolactin-releasing factor in the bantam hen

General and Comparative Endocrinology
M C MacnameeS Harvey

Abstract

Vasoactive intestinal polypeptide (VIP)-like material was localised immunohistochemically in the hypothalamus of the bantam hen. Abundant immunoreactive VIP terminals were seen in the external layer of the median eminence and most immunoreactive VIP cell bodies were located in the basal hypothalamus. A few immunoreactive VIP cell bodies and many fibres were found in the preoptic hypothalamus. Intravenous injections of synthetic porcine VIP over a dose range of 12.5 to 100 micrograms kg-1 body wt resulted in dose-related increase in concentration of plasma prolactin in incubating bantams deprived of their nests for 24 hr. These doses of VIP did not stimulate the release of growth hormone. Studies in vitro showed that synthetic VIP directly stimulated prolactin release from the anterior pituitary gland. The glands from incubating bantams were more responsive to the prolactin-releasing effects of VIP than were the glands from laying birds. Studies in vitro showed that the amount of prolactin released in response to an iv injection of 50 micrograms kg-1 VIP was greater in incubating birds deprived of their nests for 24 hr than in laying hens. Prolactin release was not stimulated in ovariectomized hens after an injection of 50 micro...Continue Reading

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Citations

Jun 13, 2008·Cell and Tissue Research·Alexander JurkevichWayne J Kuenzel
Jan 1, 1994·Psychoneuroendocrinology·C J SaldanhaR Silver
May 10, 2005·Hormones and Behavior·Donna L ManeyChristopher T Goode
Nov 25, 1998·Comparative Biochemistry and Physiology. Part C, Pharmacology, Toxicology & Endocrinology·P J SharpR W Lea
Feb 1, 2009·Animal : an International Journal of Animal Bioscience·S K PrasadS Qureshi
Jan 13, 2015·Hormones and Behavior·Marcy A KingsburyJames L Goodson
Jan 27, 2011·General and Comparative Endocrinology·Nattiya PrakobsaengYupaporn Chaiseha
Sep 2, 2008·General and Comparative Endocrinology·Sunantha KosonsirilukYupaporn Chaiseha
Feb 15, 2005·General and Comparative Endocrinology·Norio KansakuKiyoshi Shimada
Aug 11, 2004·General and Comparative Endocrinology·Seong W KangMohamed E El Halawani
Jun 16, 2009·General and Comparative Endocrinology·Hongyan LiWayne J Kuenzel
Feb 19, 2010·Animal Science Journal = Nihon Chikusan Gakkaihō·Gen HiyamaNorio Kansaku
Jul 17, 2012·Acta histochemica·Orn-Anong ChaiyachetYupaporn Chaiseha
Jan 12, 1999·General and Comparative Endocrinology·C M Vleck, D J Patrick
Mar 9, 1999·General and Comparative Endocrinology·D L ManeyJ C Wingfield
Jun 9, 2016·Animal Reproduction Science·Boonyarit KamkrathokYupaporn Chaiseha
Jan 1, 1988·Annals of the New York Academy of Sciences·S Reichlin
Aug 23, 2005·General and Comparative Endocrinology·Tetsuya TachibanaMitsuhiro Furuse

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