Then a team in Japan reported success using a very different technique that did not require
donated human eggs or the creation of embryos.
Not exact matches
As
humans, we've developed ways to
donate blood, tissue, organs, and even sperm and ovarian
eggs in recent generations, but
human milk has been shared since women began having babies.
If the cells can be fertilized and develop into viable embryos, and if
human ES cells turn out to have similar powers, such cells could allow researchers to get around some of the expense and ethical questions that arise from using
donated eggs for therapeutic cloning experiments.
To overcome that hurdle, glycobiologist Gary Clark of the University of Missouri School of Medicine in Columbia and colleagues obtained nearly 200
human eggs that were
donated to research after they failed to fertilize during a type of infertility treatment.