5 resultados
In many diseases, tissue hypoxia occurs in conjunction with other inflammatory processes. Since previous studies have demonstrated a role for leukocytes in ischemia/reperfusion injury, we hypothesized that endothelial hypoxia may "superinduce" expression of an important leukocyte adhesion molecule,
The effects of hypoxia on the beta-adrenoceptor-mediated slow channel responses of guinea pig ventricular muscle in a potassium-rich (27 mM) solution containing Ba2+ were examined using microelectrode techniques. Isoproterenol produced a small depolarization of the resting membrane and also induced
Hypoxia and reoxygenation, ischemia and reperfusion, catecholamine infusion, ouabain, sodium pentobarbital and caffeine, can all be used experimentally to induce ventricular arrhythmias. According to the Lambeth Convention guidelines our experimentally-induced ventricular arrhythmias include but are
1. The novel phosphodiesterase (PDE) inhibitor SCA40 (6-bromo-8(methylamino)imidazo[1,2-a]pyrazine-2-carbonitrile) was examined for its vasorelaxant activity on isolated pulmonary vascular preparations from rats. 2. SCA40 relaxed ring preparations of main and intralobar pulmonary artery
Milrinone and 6-bromo-8(methylamino)imidazo[1,2a]pyrazine-2-carbonitrile [SCA40; phosphodiesterase (PDE) III inhibitors], zaprinast (PDE V inhibitor), and 3-isobutyl-1-methyl xanthine (IBMX; nonselective PDE inhibitor) were examined on main pulmonary arteries from control rats and rats exposed to