There are some cells on the margin of adult retinas that have been identified as having stem cell-like properties, which the team says could be suitable.
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.
Over there, the accountants add to earnings a paper gain for supposed appreciation in the properties, a practice that in the U.S. would get them space in the cell next to Bernie Ebbers'.