Volume 1, Issue 2 (4-2011)                   NCMBJ 2011, 1(2): 37-42 | Back to browse issues page

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Naseh V, Zandehdel M, Taghizadeh F. The effect of intracerebroventricular injection of CNQX in cumulative food and water intake in chicken . NCMBJ. 2011; 1 (2) :37-42
URL: http://ncmbjpiau.ir/article-1-20-en.html
Department of Biology Science Faculty, Islamic Azad University, Parand Branch , Vahid55vet@yahoo.com
Abstract:   (16731 Views)

 Aim and Background. Previous researches about physiological mechanisms of appetite control in mammalian and avian indicated central and peripheral agents. Glutamate as one of the most important neurotransmitter has a significant role in central and peripheral control of appetite and some glutamatergic circuits involved in control of appetite. Intracerebro ventricular (icv) injection of glutamate and its agonists leads to severe decrease of foodintake . Ionotropic receptors of glutamate include NMDA and non-NMDA (AMPA and kainate) receptors. This study examines effects of Interacerebroventricular injection of CNQX as a Non-NMDA receptor anatagonist in cumulative food and water intake in chicken.

Materials and Methods. When chickens received 700-750 gram, after general anesthesia and aseptic surgery canula replaced in lateral ventricule. This study performed in four group, one control and three treatments. There were 9 birds in any group. After injection of different doses of drug, cumulative food and water intake measured in 15, 30, 60, 120 and 180 minutes.

Results.Interacerebroventricular (icv) injection of CNQX increased cumulative food intake (P<0.05) dose dependently, as compared with control group and injection of CNQX decreased water intake (P<0.05) dose dependently.

Conclusion. According to these results Non NMDA receptors (AMPA and Kainate receptors) have important role in decreasing food intake dose dependently and also these receptors have important role in cumulative water intake in chicken.


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Type of Study: Research Article | Subject: Physiology
Received: 2011/05/5 | Accepted: 2014/04/23 | Published: 2014/04/23

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