Source: New Scientist Print Edition
Posted: July 11, 2006
Summary:
Stem cells taken from mouse embryos have been used to generate sperm that went on to fertilise eggs and produce live offspring. The technique could one day help an infertile man to have his own biological children.
Sperm have been created from stem cells and injected into eggs before, but the resultant embryos stopped growing after a couple of days.
Stem cells were extracted from early mouse embryos, and coaxed into becoming sperm by manipulating the environment in which they were grown in the lab. These sperm were then injected into normal mouse egg cells to fertilise them.
Commentary: Maybe this finding could lead to improved fertility treatments in humans
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