Abstract
In physiological conditions, the angiotensin II (Ang II) regulates the blood pressure and extracellular volume (Weir et al, 1999). These effects are related with maintenance of vascular resistance, renal hemodynamics and renal sodium reabsorption (Kurtz et al., 1999; Spat and Hunydy, 2004). High doses of Ang II elicit the stimulation of AT1 receptor and Endothelin -1 (ET-1) synthesis/secr…