Here is a neat summary of the current 212 induced pluripotent stem cell lines derived from human patients - with at least 13 distinct diseases, including of course Parkinsons and diabetes. Total of 516 iPS lines underway. By contrast, of course, to exactly zero stem cell lines (in fact nary a stem cell) derived from that quaint and so pre-November-2007 science of SCNT cloning... see document at: http://docs.google.com/View?docID=dcpmpcfg_11c8qfk9cv&revision=_latest
For an update on all publications in iPS, both animal and human (with human highlighted) since Yamanaka first started the Revolution, see the document at: http://docs.google.com/View?docID=dcpmpcfg_9fwddzbcp&revision=_latest