April 16, 2008
Sperm From Skin Becoming a Reality?
From Science:
In as little as 5 years, scientists may be able to grow eggs and sperm from ordinary body cells, an international consortium of scientists and ethicists announced in a consensus statement yesterday. The technological advance could be a boon for infertile couples as well as for research on reproduction, providing policymakers don't ban the tools, the group says. Last year scientists announced that they had learned to turn back the clock on body cells. By inserting a select group of genes, they were able to convert skin cells into pluripotent stem cells (PSC)--cells capable of developing into any type of body tissue. This capability has opened up a whole new world of research--and it's brought closer to reality the possibility of generating embryos from gametes (i.e., sperm and eggs) grown in the lab, bypassing the need to collect oocytes from women.
The consortium, known as the Hinxton Group, warns that "oversight structures" need to be in place before anyone attempts to deploy such gametes in human reproduction. Such a development raises a host of concerns that include safety issues and the specter of the "ultimate incest"--the same person supplying both egg and sperm. At the same time, the group urges policymakers to be "flexible" in regulating the new technologies, not only because of the insights they can offer into human development but also because they could present new options for infertile couples whose eggs or sperm is defective. In legislation currently being considered in the United Kingdom, it would be illegal to use gametes created in the lab to treat infertility.
More here.
Posted by Azra Raza at 05:55 AM | Permalink






Comments
And a stir will cause in a world threatened by overpopulation and food shortages looming.
Posted by: Felix E. F. Larocca MD | Apr 16, 2008 7:09:49 AM
There it is - the end of the 'gay people can't procreate' argument
Posted by: D | Apr 16, 2008 11:45:50 AM
"...but also because they could present new options for infertile couples whose eggs or sperm is defective."
But shouldn't we worry about passing on the genes for defective eggs or sperm?
And I found it strange that the article touches on the oddball 'ultimate incest' case, but not the much more relevant possibility of creating sperm from a woman's skin cells (or, later, eggs from a man's).
Posted by: Slocum | Apr 16, 2008 2:51:02 PM
But shouldn't we worry about passing on the genes for defective eggs or sperm?
And this is different from the case of IVF how?
Posted by: D | Apr 16, 2008 11:49:29 PM
Next time someone asks me to shake hands, I shall hesitate...
Posted by: aguy109 | Apr 17, 2008 6:41:19 AM
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