Iranian Journal of Basic Medical Sciences، جلد ۲۲، شماره ۱۲، صفحات ۱۴۴۰-۱۴۴۴

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عنوان انگلیسی A comparative study on the equine and camelid antivenoms upon cardiovascular changes induced with Hemiscorpius lepturus venom in rats
چکیده انگلیسی مقاله Objective(s): In this study, the neutralizing abilities of the equine and the recently introduced camelid antivenoms on the hemodynamic parameters (inotropism, chronotropism, and arrhythmogenicity) were assessed following envenomation by Hemiscorpius lepturus venom in rats. Materials and Methods: At first, the electrophoretic profiles of both products were obtained by using the SDS-PAGE method (12.5%) and stained with Coomassie blue and silver nitrate. Secondly, different doses of the camelid antivenom (10, 50, and 100 µl) were given intravenously in 10 min before venom injection (400 µg/rat). The neutralizing potencies of camelid and equine antivenoms were measured by preincubation (100 µl) with H. lepturus venom for 30 min at room temperature. Finally, equal amounts of the antivenoms were injected intravenously to observe the hemodynamic changes.Results: Based on the electrophoretic profile, it was evident that undesired proteins significantly decreased in equine antivenom, owing to impurities. Pretreatment with the camelid antivenom (100 µl), neutralized the elevation of the mean arterial pressure evoked with scorpion venom injection (88.15±4.56 versus 10.2±1.23 percent at the 8th min). The Incubation of the venom and the camelid antivenom counteracted the hemodynamic changes, but the equine product had no effect. The intravascular injection of the equine antivenom transiently increased the mean arterial pressure as compared to the control (108.67±8.63 mmHg versus 52.67±1.93 mmHg at the 10th min).Conclusion: The most obvious finding emerging from this study was that the camelid antivenom neutralized the hemodynamic changes in rats significantly, but in comparison, the equine antivenom had just a minor ability.
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نویسندگان مقاله | Hossein Fatemikia
Department of Physiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran


| Mostafa Kamyab
Department of Aquatic Biotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran


| Ali Movahed
The Persian Gulf Tropical Research Center, Biochemistry Group, Bushehr University of Medical Sciences, Bushehr, Iran


| Mehdi Sadeghi
Department of Physiology, School of Medicine, Bushehr University of Medical Sciences, Bushehr, Iran


| Euikyung Kim
College of Veterinary Medicine, Gyeongsang National University, Jinju, South Korea


| Mahdi Behdani
Biotechnology Research Center, Venom and Biotherapeutics Molecules Laboratory, Pasteur Institute of Iran, Tehran, Iran


| Naser Mohammadpour
Department of Human Vaccine and Serum, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization, Karaj, Iran


| Mehrnaz Shahrivar
School of Medicine, Bushehr University of Medical Sciences, Bushehr, Iran


| Ramin Seyedian
Department of Pharmacology, Bushehr University of Medical Sciences, Bushehr, Iran



نشانی اینترنتی http://ijbms.mums.ac.ir/article_14052.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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