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Oral Administration of D-aspartate, but not of L-aspartate, Reduces Food Intake in Chicks

  In the present study, we determined the effects of oral administration of L- and D-aspartate (L-Asp and D-Asp) on food intake over a period of 2 h after the administration, as well as its effects on the concentration of L- and D-Asp in the brain and plasma. Chicks were orally administered differen... Full description

Journal Title: The Journal of Poultry Science 2013, Vol.50(2), p.164
Main Author: Erwan, Edi
Other Authors: Tomonaga, Shozo , Ohmori, Taketo , Mutaguchi, Yuta , Ohshima, Toshihisa , Nagasawa, Mao , Yasuo, Shinobu , Tamura, Yoshinaga , Furuse, Mitsuhiro
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 13467395 ; E-ISSN: 13490486
Link: http://search.proquest.com/docview/1478034480/?pq-origsite=primo
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title: Oral Administration of D-aspartate, but not of L-aspartate, Reduces Food Intake in Chicks
format: Article
creator:
  • Erwan, Edi
  • Tomonaga, Shozo
  • Ohmori, Taketo
  • Mutaguchi, Yuta
  • Ohshima, Toshihisa
  • Nagasawa, Mao
  • Yasuo, Shinobu
  • Tamura, Yoshinaga
  • Furuse, Mitsuhiro
subjects:
  • Agriculture
ispartof: The Journal of Poultry Science, 2013, Vol.50(2), p.164
description:   In the present study, we determined the effects of oral administration of L- and D-aspartate (L-Asp and D-Asp) on food intake over a period of 2 h after the administration, as well as its effects on the concentration of L- and D-Asp in the brain and plasma. Chicks were orally administered different levels (0, 3.75, 7.5 and 15 mmol/kg body weight) of L-Asp (Experiment 1) and D-Asp (Experiment 2). Administration of several doses of L-Asp linearly increased the concentration of L-Asp, but not of D-Asp, in plasma. Oral L-Asp somewhat modified the levels of L- and D-Asp levels in the telencephalon, but not in the diencephalon. However, food intake was not significantly changed with doses of L-Asp. On the other hand, D-Asp strongly and dose-dependently inhibited food intake over a period of 2 h after the administration. Oral D-Asp clearly increased D-Asp levels in the plasma and diencephalon, but no significant changes in L-Asp were detected. Brain monoamine contents were only minimally influenced by L- or D-Asp administration. We conclude that D-Asp may act as an anorexigenic factor in the diencephalon.
language: eng
source:
identifier: ISSN: 13467395 ; E-ISSN: 13490486
fulltext: fulltext
issn:
  • 13467395
  • 1346-7395
  • 13490486
  • 1349-0486
url: Link


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titleOral Administration of D-aspartate, but not of L-aspartate, Reduces Food Intake in Chicks
creatorErwan, Edi ; Tomonaga, Shozo ; Ohmori, Taketo ; Mutaguchi, Yuta ; Ohshima, Toshihisa ; Nagasawa, Mao ; Yasuo, Shinobu ; Tamura, Yoshinaga ; Furuse, Mitsuhiro
ispartofThe Journal of Poultry Science, 2013, Vol.50(2), p.164
identifierISSN: 13467395 ; E-ISSN: 13490486
description  In the present study, we determined the effects of oral administration of L- and D-aspartate (L-Asp and D-Asp) on food intake over a period of 2 h after the administration, as well as its effects on the concentration of L- and D-Asp in the brain and plasma. Chicks were orally administered different levels (0, 3.75, 7.5 and 15 mmol/kg body weight) of L-Asp (Experiment 1) and D-Asp (Experiment 2). Administration of several doses of L-Asp linearly increased the concentration of L-Asp, but not of D-Asp, in plasma. Oral L-Asp somewhat modified the levels of L- and D-Asp levels in the telencephalon, but not in the diencephalon. However, food intake was not significantly changed with doses of L-Asp. On the other hand, D-Asp strongly and dose-dependently inhibited food intake over a period of 2 h after the administration. Oral D-Asp clearly increased D-Asp levels in the plasma and diencephalon, but no significant changes in L-Asp were detected. Brain monoamine contents were only minimally influenced by L- or D-Asp administration. We conclude that D-Asp may act as an anorexigenic factor in the diencephalon.
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titleOral Administration of D-aspartate, but not of L-aspartate, Reduces Food Intake in Chicks
description  In the present study, we determined the effects of oral administration of L- and D-aspartate (L-Asp and D-Asp) on food intake over a period of 2 h after the administration, as well as its effects on the concentration of L- and D-Asp in the brain and plasma. Chicks were orally administered different levels (0, 3.75, 7.5 and 15 mmol/kg body weight) of L-Asp (Experiment 1) and D-Asp (Experiment 2). Administration of several doses of L-Asp linearly increased the concentration of L-Asp, but not of D-Asp, in plasma. Oral L-Asp somewhat modified the levels of L- and D-Asp levels in the telencephalon, but not in the diencephalon. However, food intake was not significantly changed with doses of L-Asp. On the other hand, D-Asp strongly and dose-dependently inhibited food intake over a period of 2 h after the administration. Oral D-Asp clearly increased D-Asp levels in the plasma and diencephalon, but no significant changes in L-Asp were detected. Brain monoamine contents were only minimally influenced by L- or D-Asp administration. We conclude that D-Asp may act as an anorexigenic factor in the diencephalon.
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abstract  In the present study, we determined the effects of oral administration of L- and D-aspartate (L-Asp and D-Asp) on food intake over a period of 2 h after the administration, as well as its effects on the concentration of L- and D-Asp in the brain and plasma. Chicks were orally administered different levels (0, 3.75, 7.5 and 15 mmol/kg body weight) of L-Asp (Experiment 1) and D-Asp (Experiment 2). Administration of several doses of L-Asp linearly increased the concentration of L-Asp, but not of D-Asp, in plasma. Oral L-Asp somewhat modified the levels of L- and D-Asp levels in the telencephalon, but not in the diencephalon. However, food intake was not significantly changed with doses of L-Asp. On the other hand, D-Asp strongly and dose-dependently inhibited food intake over a period of 2 h after the administration. Oral D-Asp clearly increased D-Asp levels in the plasma and diencephalon, but no significant changes in L-Asp were detected. Brain monoamine contents were only minimally influenced by L- or D-Asp administration. We conclude that D-Asp may act as an anorexigenic factor in the diencephalon.
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