این سایت در حال حاضر پشتیبانی نمی شود و امکان دارد داده های نشریات بروز نباشند
Acta Medica Iranica، جلد ۴۹، شماره ۴، صفحات ۲۵۸-۲۶۱
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی The Effect of Paroxetine on Ouabain-Induced Toxicity in Isolated Guinea Pig Atria
چکیده انگلیسی مقاله It has been reported that selective serotonin reuptake inhibitors (SSRIs) possess some cardiac effects. In the present study we have investigated the effect of paroxetine (PX), a potent SSRI agent, on spontaneously as well as ouabain-induced arrhythmia beating isolated guinea-pig atria. The Guinea-pig heart was rapidly removed; the auricles were dissected out in oxygenated modified Krebs solution. The rate and force of spontaneous contractions were recorded isometrically with a photosensitive transducer. PX (1-16 µg/ml) caused a dose-dependent decrease in the rate of contractions (14-70%) and contractile force (8-16%). Ouabain alone (1.2 µg/ml) produced arrhythmia at 7.2 ± 1.5 min and asystole at 20.1 ± 3.1 min. Pretreatment with PX (4 µg/ml) significantly increased the time of arrhythmia onset to 19.8 min. In addition, PX prolonged the duration of action beating from 20.1 ± 3.1 min to 43.1± 2.6 and delayed the occurrence of asystole. The pattern of contractile force by PX + ouabain treatment was more regular than that observed after administration of ouabain alone. The above findings may the probably be due to the inhibition of cardiac Na+ and Ca2+ channels or autonomic nervous system. Results also suggest that PX may reduce the membrane conductance through inhibition of ionic channels to prevent ouabain-induced arrhythmia.
کلیدواژه‌های انگلیسی مقاله Paroxetine,Ouabain,Arrhythmias,cardiac,Guinea pigs,Atrial
نویسندگان مقاله میر جمال حسینی | mir jamal hosseini
department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran. and departments of toxicology and pharmacology, school of pharmacy, zanjan university of medical sciences, zanjan, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی زنجان (Zanjan university of medical sciences)

اعظم بختیاریان | azam bakhtiarian
department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran. and faculties of pharmacy, pharmaceutical sciences research center, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

پیوند بینا | peyvand bina
department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

سیما سبزه خواه | sima sabzeh khah
department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

فرزانه نجار | farzaneh najar
department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

عباس پوستی | abbas pousti
department of pharmacology, school of medicine, tehran university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

نشانی اینترنتی http://acta.tums.ac.ir/index.php/acta/article/view/3734
فایل مقاله فایلی برای مقاله ذخیره نشده است
کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده
نوع مقاله منتشر شده Articles
برگشت به: صفحه اول پایگاه   |   نسخه مرتبط   |   نشریه مرتبط   |   فهرست نشریات