1. Renal Pathophysiology Laboratory, Department of Nephrology, Instituto Nacional de Cardiología “Ignacio Chávez,” México City, México;
2. Department of Molecular Biology, Instituto Nacional de Cardiología “Ignacio Chávez,” México City, México;
3. Department of Physiology, Instituto Nacional de Cardiología “Ignacio Chávez,” México City, México;
4. Pharmacology, Instituto Nacional de Cardiología “Ignacio Chávez,” México City, México; and
5. Department of Physiology and Hypertension and Renal Center, Tulane University School of Medicine, New Orleans, Louisiana