image: Genetic modification of the mouse embryo allowed for the color-coding of different parts of the heart with green, red, or both green and red (shown in yellow). This image relates to an article that appeared in the October 16, 2009, issue of Science, published by AAAS. The study, by Dr. I.J. Domian of Massachusetts General Hospital in Boston, Mass., and colleagues, was titled, "Generation of Functional Ventricular Heart Muscle from Mouse Ventricular Progenitor Cells." view more
Credit: Image courtesy of Ibrahim Domian, Murali Chiravuri, and Kenneth Chien