Still, the reprogrammedcellsshowedthe definingcharacteristicsofinducedpluripotentstem cells; theycould both differentiateintovariouscelltypes and generate more of themselves.
When the first iPS cells were developed two years ago in Japan and the United States, skin cells were reprogrammed to be able to have properties similar to a human embryonic stem cell.
Some of the top American researchers who specialize in both embryonic and reprogrammed adult stem cells were scheduled to present, and no doubt this had the more conservative elements in fits.