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Intracerebroventricular Administration of Growth Hormone Releasing Peptide-6 (GHRP-6) Inhibits Food Intake, but not Food Retention of Crop and Stomach in Neonatal Chicks

  Growth hormone secretagogues (GHS), including ghrelin, are known to stimulate feeding behavior in mammals. In contrast, intracerebroventricular (ICV) injection of rat or chicken ghrelin, strongly inhibits food intake in chicks. The difference prompted us to compare the effect of growth hormone rel... Full description

Journal Title: The Journal of Poultry Science 2006, Vol.43(1), p.35
Main Author: Sakirul Islam Khan, Md.
Other Authors: Dodo, Koh-Ichi , Yahata, Kazuki , Nishimoto, Sayuri , Ueda, Hiroshi , Taneike, Tetsuro , Kitazawa, Takio , Hosaka, Yoshinao , Bungo, Takashi
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 13467395 ; E-ISSN: 13490486
Link: http://search.proquest.com/docview/1439292442/?pq-origsite=primo
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title: Intracerebroventricular Administration of Growth Hormone Releasing Peptide-6 (GHRP-6) Inhibits Food Intake, but not Food Retention of Crop and Stomach in Neonatal Chicks
format: Article
creator:
  • Sakirul Islam Khan, Md.
  • Dodo, Koh-Ichi
  • Yahata, Kazuki
  • Nishimoto, Sayuri
  • Ueda, Hiroshi
  • Taneike, Tetsuro
  • Kitazawa, Takio
  • Hosaka, Yoshinao
  • Bungo, Takashi
subjects:
  • Chick
  • Food Intake
  • Food Retention
  • Ghrp-6
  • Intracerebroventricular Injection
ispartof: The Journal of Poultry Science, 2006, Vol.43(1), p.35
description:   Growth hormone secretagogues (GHS), including ghrelin, are known to stimulate feeding behavior in mammals. In contrast, intracerebroventricular (ICV) injection of rat or chicken ghrelin, strongly inhibits food intake in chicks. The difference prompted us to compare the effect of growth hormone releasing peptide-6 (GHRP-6), one of synthetic GHSs on feeding behavior of chicks with that of ghrelin. Gastric motility stimulating action of GHRP-6 was also examined in vivo measuring retention of food in digestive tracts. ICV injection of GHRP-6 (0.38nmol-1.5nmol) dose-dependently inhibited food intake of neonatal chicks under both ad libitum and fasting conditions. The anorexic effect of GHRP-6 was attenuated by D-Lys3-GHRP-6 (GHS receptor antagonist) in a dose dependent manner. Central injection of GHS agonist and/or antagonist did not affect food retention in crop, proventriculus and gizzard. These results suggest that central injection of synthetic GHS, GHRP-6 inhibits feeding behavior as dose ghrelin without affecting gastrointestinal motility in layer chicks.
language: eng
source:
identifier: ISSN: 13467395 ; E-ISSN: 13490486
fulltext: fulltext
issn:
  • 13467395
  • 1346-7395
  • 13490486
  • 1349-0486
url: Link


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titleIntracerebroventricular Administration of Growth Hormone Releasing Peptide-6 (GHRP-6) Inhibits Food Intake, but not Food Retention of Crop and Stomach in Neonatal Chicks
creatorSakirul Islam Khan, Md. ; Dodo, Koh-Ichi ; Yahata, Kazuki ; Nishimoto, Sayuri ; Ueda, Hiroshi ; Taneike, Tetsuro ; Kitazawa, Takio ; Hosaka, Yoshinao ; Bungo, Takashi
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identifierISSN: 13467395 ; E-ISSN: 13490486
description  Growth hormone secretagogues (GHS), including ghrelin, are known to stimulate feeding behavior in mammals. In contrast, intracerebroventricular (ICV) injection of rat or chicken ghrelin, strongly inhibits food intake in chicks. The difference prompted us to compare the effect of growth hormone releasing peptide-6 (GHRP-6), one of synthetic GHSs on feeding behavior of chicks with that of ghrelin. Gastric motility stimulating action of GHRP-6 was also examined in vivo measuring retention of food in digestive tracts. ICV injection of GHRP-6 (0.38nmol-1.5nmol) dose-dependently inhibited food intake of neonatal chicks under both ad libitum and fasting conditions. The anorexic effect of GHRP-6 was attenuated by D-Lys3-GHRP-6 (GHS receptor antagonist) in a dose dependent manner. Central injection of GHS agonist and/or antagonist did not affect food retention in crop, proventriculus and gizzard. These results suggest that central injection of synthetic GHS, GHRP-6 inhibits feeding behavior as dose ghrelin without affecting gastrointestinal motility in layer chicks.
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titleIntracerebroventricular Administration of Growth Hormone Releasing Peptide-6 (GHRP-6) Inhibits Food Intake, but not Food Retention of Crop and Stomach in Neonatal Chicks
description  Growth hormone secretagogues (GHS), including ghrelin, are known to stimulate feeding behavior in mammals. In contrast, intracerebroventricular (ICV) injection of rat or chicken ghrelin, strongly inhibits food intake in chicks. The difference prompted us to compare the effect of growth hormone releasing peptide-6 (GHRP-6), one of synthetic GHSs on feeding behavior of chicks with that of ghrelin. Gastric motility stimulating action of GHRP-6 was also examined in vivo measuring retention of food in digestive tracts. ICV injection of GHRP-6 (0.38nmol-1.5nmol) dose-dependently inhibited food intake of neonatal chicks under both ad libitum and fasting conditions. The anorexic effect of GHRP-6 was attenuated by D-Lys3-GHRP-6 (GHS receptor antagonist) in a dose dependent manner. Central injection of GHS agonist and/or antagonist did not affect food retention in crop, proventriculus and gizzard. These results suggest that central injection of synthetic GHS, GHRP-6 inhibits feeding behavior as dose ghrelin without affecting gastrointestinal motility in layer chicks.
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titleIntracerebroventricular Administration of Growth Hormone Releasing Peptide-6 (GHRP-6) Inhibits Food Intake, but not Food Retention of Crop and Stomach in Neonatal Chicks
authorSakirul Islam Khan, Md. ; Dodo, Koh-Ichi ; Yahata, Kazuki ; Nishimoto, Sayuri ; Ueda, Hiroshi ; Taneike, Tetsuro ; Kitazawa, Takio ; Hosaka, Yoshinao ; Bungo, Takashi
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atitleIntracerebroventricular Administration of Growth Hormone Releasing Peptide-6 (GHRP-6) Inhibits Food Intake, but not Food Retention of Crop and Stomach in Neonatal Chicks
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abstract  Growth hormone secretagogues (GHS), including ghrelin, are known to stimulate feeding behavior in mammals. In contrast, intracerebroventricular (ICV) injection of rat or chicken ghrelin, strongly inhibits food intake in chicks. The difference prompted us to compare the effect of growth hormone releasing peptide-6 (GHRP-6), one of synthetic GHSs on feeding behavior of chicks with that of ghrelin. Gastric motility stimulating action of GHRP-6 was also examined in vivo measuring retention of food in digestive tracts. ICV injection of GHRP-6 (0.38nmol-1.5nmol) dose-dependently inhibited food intake of neonatal chicks under both ad libitum and fasting conditions. The anorexic effect of GHRP-6 was attenuated by D-Lys3-GHRP-6 (GHS receptor antagonist) in a dose dependent manner. Central injection of GHS agonist and/or antagonist did not affect food retention in crop, proventriculus and gizzard. These results suggest that central injection of synthetic GHS, GHRP-6 inhibits feeding behavior as dose ghrelin without affecting gastrointestinal motility in layer chicks.
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