David Scadden, Harvard University (IMAGE) Harvard University Caption "The idea that we could improve regeneration of the blood and the immune system through transplant is something that's been an area of emphasis for a number of years--really, for most of my career," says Harvard Professor David Scadden. Credit BD Colen/Harvard University Usage Restrictions Editorial use only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.