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Iranian Journal of Basic Medical Sciences، جلد ۱۹، شماره ۵، صفحات ۵۴۲-۵۴۹
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| عنوان انگلیسی |
Administration of orexin receptor 1 antagonist into the rostral ventromedial medulla increased swim stress-induced antinociception in rat |
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| چکیده انگلیسی مقاله |
Objective(s): Intracerebroventricular injection of orexin-A (hypocretin-1) antagonist has been shown to inhibit stress-induced analgesia. However the locations of central sites that may mediate these effects have not been totally demonstrated. This study was performed to investigate the role of rostral ventromedial medulla (RVM) orexin receptor 1 in stress-induced analgesia (SIA). Materials and Methods: Forced swim stress in water was employed to adult male rats (200-250 g). Nociceptive responses were measured by formalin test (50 µl injection of formalin 2% subcutaneously into hind paw) and, pain related behaviors were monitored for 90 min following intra-microinjection of SB-334867 (orexin receptor 1 antagonist) into RVM. Results: Exposure to swimming stress test after administration of SB-334867 into RVM significantly reduces the formalin-induced nociceptive behaviors in phase1, interphase, and phase 2 in rats. Conclusion: The result demonstrated the involvement of OXR1 in antinociceptive behaviors induced by swim stress in RVM. |
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| نویسندگان مقاله |
ندا سلیمانی | neda soliemani
physiology-pharmacology research center, rafsanjan university of medical sciences, rafsanjan, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی رفسنجان (Rafsanjan university of medical sciences)
علیرضا مسلم | alireza moslem
faculty of medicine, sabzevar university of medical sciences, sabzevar, iran
علی شمسی زاده | ali shamsizadeh
physiology-pharmacology research center, rafsanjan university of medical sciences, rafsanjan, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی رفسنجان (Rafsanjan university of medical sciences)
حسن اژدری زرمهری | hassan azhdari zarmehri
department of basic science and neuroscience research center, torbat heydariyeh university of medical sciences, torbat heydariyeh, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی تربت حیدریه (Torbat heydariyeh university of medical sciences)
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| نشانی اینترنتی |
http://ijbms.mums.ac.ir/article_6939.html |
| فایل مقاله |
اشکال در دسترسی به فایل - ./files/site1/rds_journals/87/article-87-45078.pdf |
| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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| نوع مقاله منتشر شده |
Original Article |
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