Mechanism of Effect Opioid Central Food Intake Regulation in Ad Libitum Fed Neonatal Layer-Type Chicken

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SHOJAEI M.; ZENDEHDEL M.; BABAPOUR V.; CHARKHKAR S.; Rasoulinejad s.

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Journal: JOURNAL OF ANIMAL PHYSIOLOGY AND DEVELOPMENT (QUARTERLY JOURNAL OF BIOLOGICAL SCIENCES) Year:2017 | Volume:10 | Issue:3 (38) Page(s): 33-42

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Title

Mechanism of Effect Opioid Central Food Intake Regulation in Ad Libitum Fed Neonatal Layer-Type Chicken

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Keywords

OpioidergicQ1

Food IntakeQ1

Layer-Type ChicksQ1

Abstract

Inroduction & Objective: Opioidergic system has crucial role on central regulation of Food Intake in mammals and birds. This study was designed to investigate role of Opioidergic system on opioid-induced feeding behavior in 3-h food-deprived (FD3) neonatal Layer-Type Chicks. Material and Methods: 144 chickens allocated into3 experiments, each with four treatment groups. In Experiment 1, birds were ICV injected with D-Ala2– NMe-Phe4-Glyol5-enkephalin (DAMGO, μ-opioid receptor agonist) (125, 250 and 500pmol). In Experiment 2, chickens were ICV treated with D-Pen2, 5Enkephalin, DPen2, D-Pen5Enkephalin (DPDPE, δ-opioid receptor agonist) (20, 40 and 80pmol). In Experiment 3, the effect of ICV injection of U-50488H-, κ opioid receptor agonist (10, 20 and 30nmol) was investigated in chicks. Cumulative Food Intake recorded until 3-h post injection. Results: According to the results, ICV injection of μ-opioid receptor agonist significantly diminished Food Intake (P≤ 0. 05). Also, injection of δ and κ-opioid receptors agonist significantly increased Food Intake (P≤ 0. 05). ICV injection of DAMGO significantly decreased Food Intake whereas DPDPE and U-50488H increased Food Intake (P≤ 0. 05). Conclusion: These results suggest that central Opioidergic system has important role on feeding behavior.

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APA: Copy

SHOJAEI, M., ZENDEHDEL, M., BABAPOUR, V., CHARKHKAR, S., & Rasoulinejad, s.. (2017). Mechanism of Effect Opioid Central Food Intake Regulation in Ad Libitum Fed Neonatal Layer-Type Chicken. JOURNAL OF ANIMAL PHYSIOLOGY AND DEVELOPMENT (QUARTERLY JOURNAL OF BIOLOGICAL SCIENCES), 10(3 (38) ), 33-42. SID. https://sid.ir/paper/191578/en

Vancouver: Copy

SHOJAEI M., ZENDEHDEL M., BABAPOUR V., CHARKHKAR S., Rasoulinejad s.. Mechanism of Effect Opioid Central Food Intake Regulation in Ad Libitum Fed Neonatal Layer-Type Chicken. JOURNAL OF ANIMAL PHYSIOLOGY AND DEVELOPMENT (QUARTERLY JOURNAL OF BIOLOGICAL SCIENCES)[Internet]. 2017;10(3 (38) ):33-42. Available from: https://sid.ir/paper/191578/en

IEEE: Copy

M. SHOJAEI, M. ZENDEHDEL, V. BABAPOUR, S. CHARKHKAR, and s. Rasoulinejad, “Mechanism of Effect Opioid Central Food Intake Regulation in Ad Libitum Fed Neonatal Layer-Type Chicken,” JOURNAL OF ANIMAL PHYSIOLOGY AND DEVELOPMENT (QUARTERLY JOURNAL OF BIOLOGICAL SCIENCES), vol. 10, no. 3 (38) , pp. 33–42, 2017, [Online]. Available: https://sid.ir/paper/191578/en

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