introduction: endurance training has significant effects on the renewal of heart tissue, including myosin heavy chain (mhc) proteins. on the other side, purine-rich element-binding protein β (purb) decreases the &alphamhc; gene expression. the aim of this study was to determine the impact of exercise endurance training on purb gene expression in the heart of wistar rats. methods: fourteen rats ...

From the Donald W. Reynolds Cardiovascular Clinical Research Center ( J.A.H., E.N.O.); and the Departments of Internal Medicine (Cardiology) ( J.A.H.) and Molecular Biology ( J.A.H., E.N.O.), University of Texas Southwestern Medical Center, Dallas. Address reprint requests to Dr. Hill at the Division of Cardiology, University of Texas Southwestern Medical Center, 6000 Harry Hines Blvd., NB11.20...