Word: genese
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That's why nearly every major stem cell lab began looking for an alternative approach, the most promising of which was to simply reprogram adult cells without eggs or embryos. "When I started this work, I thought it would be a 20-year, not a few-year problem," says Thomson...
Neither Yamanaka nor Thomson believes their cells are quite ready for patients yet; for one, both methods use viruses to deliver the time-reversing genes, a practice that is acceptable in the lab but unsafe for the clinic. But the advances are finally pushing stem cell researchers to start talking...
One explanation might be that the scientists chose a cold virus as the delivery vehicle. Cold viruses do a good job of ferrying HIV genes for the same reason they do a good job of making us feel lousy: once inside the body, they infect cells very efficiently. But they...
A possible solution would be to stick with the cold virus but use different HIV genes and two injections spaced a few months apart. Dr. David Ho, director of the Aaron Diamond AIDS Research Center in New York City, thinks the answer might be to abandon the cold virus and...
Bioengineer J. Craig Venter is expected to announce within the next few months, perhaps weeks, that he and his company, Synthetic Genomics of Rockvile, Md. and La Jolla, Calif., have created Earth’s first artificial life form. The feat will be an important milestone in the growing scientific...