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For more than 50 years, Children's Hospital Boston has been the world leader in pediatric cardiology and cardiac surgery, pioneering solutions to cardiovascular problems that have dramatically improved the survival rate and the quality of life for children born with heart defects.
The Cardiovascular Program at Children's has the nation's most intensive clinical and basic research program focused on pediatric heart disease, and is a world leader in opening new avenues of "translational research," bringing laboratory advances to the bedside and doctor's offices as soon as possible.
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Mark Keating, MD, is working with tiny zebrafish to discover the genetic secret that allows them to grow a new heart. Zebrafish, whose genetic structure is quite similar to humans', can regenerate their hearts after injury unlike humans, whose hearts scar after damage. Keating's hope is to identify the self-repair genes and eventually find ways to stimulate human hearts to grow anew, too. 
