BACKGROUND β-blockers prevent cardiac arrhythmias in patients with chronic heart failure and reduced left ventricular ejection fraction, including ventricular tachycardia/ventricular fibrillation (VT/VF). We hypothesized that prevention of ventricular arrhythmias by the β-blocker/sympatholytic agent bucindolol is influenced by genetic variation in adrenergic receptors. METHODS AND RESULTS Fro...

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razi mouse is originally established from native iranian mice at razi institute and is susceptible to spontaneous mammary tumor. in this study, incidence, age and predisposing factors of tumor and some of biological characteristics of this strain were studied. there were significant differences in incidence of mammary tumor in razi virgin females as compared with normally breeding and hormone t...

During an investigation of bovine brucellosis in Iran, conducted by the Razi Institute over a twelve-month period, samples of serum and milk were collected simultaneously from 6,472 cows in eight infected herds for serological and bacteriological testing. A total of 1,056 cows were serologically positive and 1,632 of 6,472 milk samples were positive to the milk ring test (MRT). Culture of the p...