Ali Mohammad Alizadeh
[ 1 ] - Role of mineralocorticoid receptors in the mediation of acute effects of hydrocortisone in isolated ischemic rat heart
Introduction: Cardiac preconditioning is an important method to reduce the damage caused by prolonged ischemia. Previous studies have shown that corticosteroids have protective effects on the heart, however at high concentrations this effect may be reduced with unknown mechanisms. We hypothesize that the contradictory effects of hydrocortisone at high concentration may be mediated via minera...
[ 2 ] - New manifestations of electrophysiological remodeling of heart during experimental model of atrial fibrillation in cirrhotic rat isolated heart
Introduction: The present study is aimed to evaluate electrophysiological remodeling of atrioventricular (AV) node and ventricular conduction during experimental atrial fibrillation (AF) model in isolated heart of cirrhotic rats. Methods: Cirrhosis-induced electrophysiological remodeling was evaluated in 24 isolated retrogradely perfused rat hearts in 2 groups (control and cirrhotic). Cirrho...
[ 3 ] - A novel isolated dual perfusion/superfusion heart model for physiological and pharmacological evaluation of mammalian heart preparations
Abstract Introduction: Isolated perfused heart models such as perfusion and superfusion are commonly used for mammalian heart research. However, there are several fundamental limitations in the current techniques. In perfusion model, a suitable cannula is connected to the aorta and the perfusion is retrogradely performed. But, electrode displacement is a potential unwanted event resulted fr...
[ 4 ] - Preconditioning effects of oxytocin in reducing cardiac arrhythmias in a rat heart regional ischemia-reperfusion model
Abstract Introduction: Occurrence of cardiac arrhythmias and myocardial infarction are two main deleterious events that are caused by ischemia-reperfusion (IR) injury in the heart. Cardiac preconditioning represents the most potent method of rescuing heart tissue from undergoing irreversible ischemic damage. The aim of the present study was to evaluate oxytocin (OT) cardioprotective effect...
[ 5 ] - Effect of pre-treatment with oxytocin on cardiac enzymes in regional ischemiareperfusion injury induced in the rat heart
Introduction: Cardiac preconditioning represents the most potent and consistently reproducible method of rescuing heart tissue from undergoing irreversible ischemic damage. The aim of the present study was to evaluate oxytocin (OT) induced cardioprotection and its signaling pathways on lactate dehydrogenase (LDH) and creatine kinase-MB isoenzyme (CK-MB) in the anesthetized rats. Methods: Ei...
[ 6 ] - اثرات آنتی‌پرولیفراتیو و ضد‌سرطانی نانوکورکومین بر سرطان کولون در موش صحرایی
Background: Curcumin, the active ingredient of turmeric, has the ability to inhibit the carcinogenic pathways, and thus can prevent or postpone the carcinogenic process in different animal species. Retention time of curcumin is short due to the quick excretion of the body, so, the therapeutic effects of curcumin are restricted resulting in short-term retention in the plasma. Therefore, several ...
[ 7 ] - نقش آدنوزین در اثرات محافظتی سیمواستاتین بر خواص گره دهلیزی- بطنی در مدل فیبریلاسیون دهلیزی ایجاد شده در قلب ایزوله خرگوش
Background: The 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhi-bitors (statins) have revolutionized the treatment of hypercholesterolemia. Some evide-nce indicated the role of nodal refractoriness and concealed conduction in anticipating the ventricular rate during atrial fibrillation. Recent evidence has indicated that statins can reduce the incidence of both supraventricular a...
[ 8 ] - اثرات فومونیسین B1 بر رده‌های سلولی معده و کولون در محیط آزمایشگاهی
Background: Fumonisins, a family of mycotoxins, are mainly found in wheat, corn and their products. Previous studies have shown that fumonisin B1 (FB1), the most abundant and toxic of known fumonisins, has been associated with many animal and human diseases including cancer. In the present study, the effects of FB1 were examined on the production of inflammatory cytokines in intestine and stoma...
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