دوره 3، شماره 5 - ( Autumn 2012 -- 1391 )                   جلد 3 شماره 5 صفحات 19-29 | برگشت به فهرست نسخه ها



PMCID: 25012909

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Nasehi M, Sabouri Khanghah V, Mirzaei Varzeghani S, Zarrindast M. Involvement of Nitric Oxide System on Anxiolytic-Like Behaviors Induced by Cholestasiss. BCN. 2012; 3 (5) :19-29
URL: http://bcn.iums.ac.ir/article-1-279-fa.html
Involvement of Nitric Oxide System on Anxiolytic-Like Behaviors Induced by Cholestasiss. مجله علوم اعصاب پایه و بالینی. 1391; 3 (5) :19-29

URL: http://bcn.iums.ac.ir/article-1-279-fa.html


چکیده:  

Introduction: The mechanisms of hepatic encephalopathy are not fully understood. Moreover, there is no comprehensive data concerning the effects of nitric oxide (NO) system on anxiolytic-like behaviors induced by bile duct ligation (BDL).

Methods: Male mice weighing 25-30 g were used and anxiety-like behaviors were tested using hole-board task.

Results: The data indicated that cholestasis increased the number of head-dipping but did not alter other aspects of behavior, 7 days after BDL, suggesting an anxiolytic-like response. Furthermore, the results showed that intraperitoneal (i.p.) injection of L-arginine (200 and 250 mg/kg) 15 min before testing induced anxiolytic-like behaviors in the normal animals, 4 and 7 days after BDL (considering that the dose of 200 mg in the normal mice is ineffective but is effective in the BDL mice). On the other hand, injection of L-NAME (35 and 45 mg/kg, i.p.) 15 min before testing induced anxiogenic-like behaviors in the normal animals, 4 and 7 days after BDL (the dose of 35 mg/kg in the normal mice is ineffective but is effective in the BDL mice ). Moreover, injection of ineffective doses of L-NAME (25 and 35 mg/kg, i.p.) 15 min before administration of L-arginine (250 mg/kg, i.p.) and 7 days after BDL, decreased anxiolytic-like behaviors, signi.cantly.

Discussion: Cholestatic mice show anxiolytic-like behaviors suggesting the involvement of the nitric oxide system.

نوع مطالعه: Original | موضوع مقاله: Cellular and molecular Neuroscience
دریافت: ۱۳۹۱/۶/۲۸

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