Study the Antinociceptive Effect of Intracerebroventricular Injection of Aqueous Extract of Origanum Vulgare Leaves in Rat: Possible Involvement of Opioid System

  • سال انتشار: 1392
  • محل انتشار: مجله علوم پایه پزشکی ایران، دوره: 16، شماره: 10
  • کد COI اختصاصی: JR_IJBMS-16-10_011
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 310
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نویسندگان

Yasaman Pahlavan

Neuroscience Research Center and Department of Physiology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran

Gholamreza Sepehri

Neuroscience Research Center and Department of Physiology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran

Vahid Sheibani

Neuroscience Research Center and Department of Physiology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran

Mohammadreza Afarinesh khaki

Neuroscience Research Center and Department of Physiology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran ۲ Department of Physiology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Morteza Gojazadeh

Departments of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran

Bahare Pahlavan

Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran

Fereshteh Pahlavan

Faculty of Medicine, Ardabil Azad University of Medical Sciences, Ardabil, Iran

چکیده

  Objective(s): The aim of study was to investigate the antinociceptive effect of intracerebroventricular (ICV) microinjection of Origanum vulgare (ORG) extract and possible involvement of opioid receptors.   Materials and Methods: Cannula was inserted into left ventricle of male rats. Five days after surgery Tail Flick Latency (TFL) was measured after ICV microinjection of, ORG (۱, ۳ and ۶ μg / rat). Effective dose of ORG was injected ICV in concomitant with morphine (۲ mg/kg, IP), naloxone (۲ mg / kg, IP) and saline (۰.۵ μl/rat) and TFL was recorded. Results: The co- administration of ORG extract with morphine showed a significant increase in TFL and naloxone, pretreatment significantly inhibited the antinociceptive activity of ORG and morphine. Conclusion: The aqueous extract of ORG possesses antinociceptive activities in the tail-flick test in a dose dependent manner. ORG - induced antinociception may have been mediated by opioid systems.

کلیدواژه ها

Intracerebroventricular Origanum vulgare Pain Rat Tail-flick test

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