It’s by Induced pluripotent stem cell.
http://news.yahoo.com/blogs/this-could-be-big-abc-news/grow-own-organs-173451147.html
http://en.wikipedia.org/wiki/Induced_pluripotent_stem_cell
http://www.youtube.com/watch?v=i-QSurQWZo0
http://vimeo.com/54943703
