Interaction Between Central Oxytocinergic and Glutamatergic Systems on Food Intake in Neonatal Chicks: Role of NMDA and AMPA Receptors

  • Mohammadsaber Jalali
  • Morteza ZendehdelEmail author
  • Vahab Babapour
  • Hasan Gilanpour


The present study was designed to examine the interconnection between oxytocinergic and glutamatergic systems on feeding behavior in neonatal chicks. In experiment 1, FD3 chicken ICV injected with (A) saline (control solution), (B) oxytocin (10 µg), (C) MK-801(NMDA receptor antagonist, 15 nmol) and (D) oxytocin + MK-801. In experiment 2, (A) control solution, (B) oxytocin (10 µg), (C) CNQX (390 nmol) and (D) oxytocin + CNQX were injected. Experiments 3–6 were similar to experiment 1, except FD3 chicks ICV injected with CNQX (AMPA glutamate receptors antagonist, 390 nmol), AIDA (mGLUR1 glutamate receptors antagonist, 2 nmol), LY341495 (mGLUR2 glutamate receptors antagonist, 150 nmol) and UBP1112 (mGLUR3 glutamate receptors antagonist, 2 nmol) instead of MK-801, respectively. In experiment 7, injections were (A) control solution, (B) glutamate (300 nmol), (C) ABN-297 (9 nmol) and (D) glutamate + ABN-297. Then the cumulative food intake measured until 120 min post injection. According to the results, ICV injection of glutamate decreased food intake and co-injection of the glutamate + ABN-297 increased food consumption in neonatal broiler (P < 0.001). ICV injection of oxytocin, significantly decreased food intake in neonatal chicks (P < 0.001). Also, MK-801 significantly attenuated oxytocin- induced hypophagia in chicks (P < 0.001). In addition, combination of oxytocin plus CNQX significantly decreased hypophagic effect of the oxytocin in neonatal chicks (P < 0.001). These results suggested interconnection between central oxytocinergic and glutamatergic systems on feeding behavior is probably mediated via NMDA and AMPA receptors.


Central oxytocin Glutamatergic system Food intake Chicken 



The authors thank the central laboratory (Dr. Rastegar Lab.) of the Faculty of Veterinary Medicine, University of Tehran for cooperation. This research is conducted as a part of the PhD thesis of the first author.

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.

Informed Consent

This manuscript does not contain any studies with human subjects performed by any of the authors.

Research Involving Human and Animal Rights

All experiments were executed according to the Guide for the Care and Use of Laboratory Animals and were approved by the institutional animal ethics committee.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2017

Authors and Affiliations

  • Mohammadsaber Jalali
    • 1
  • Morteza Zendehdel
    • 2
    Email author
  • Vahab Babapour
    • 2
  • Hasan Gilanpour
    • 1
  1. 1.Department of Basic Sciences, Faculty of Veterinary Medicine, Science and Research BranchIslamic Azad UniversityTehranIran
  2. 2.Department of Basic Sciences, Faculty of Veterinary MedicineUniversity of TehranTehranIran

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