The technique, which involves a simple injection, could aid the recovery of hundreds of thousands of heart failure patients - and could even consign heart transplants to history. Researchers hope to increase levels of SERCA2a, a protein in heart muscle cells that plays an important role in heart muscle contraction The technique, which involves a simple injection, could aid the recovery of hundreds of thousands of heart failure patients. Heart transplants could even be consigned to history thanks to a trial by Imperial College, London, which aims to show for the first time that gene therapy could repair failing organs....