1. Laboratory of Receptor and Signal Transduction, Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi;
2. Department of Physiology and Biophysics, Case Western Reserve University School of Medicine, Cleveland, Ohio;
3. Division of Nephrology, Department of Internal Medicine, University of Mississippi Medical Center, Jackson, Mississippi; and
4. Center of Excellence for Cardiovascular-Renal Research, University of Mississippi Medical Center, Jackson, Mississippi