Those proclaiming there is no need to continue research using human embryonic stem cells because reprogrammed adult cells are identical were dealt a setback this week.
Induced pluripotent stem (iPS) cells, which are adult cells that are converted to an embryonic-like state, retain a distinct ?memory? of their past, researchers reported Thursday in the journal Nature.
Quoted: Tim Kamp, director of UW-Madison?s Stem Cell and Regenerative Medicine Center