- Mar 23, 2004
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They would use embryos that are considered "irreversibly arrested":
"The group isolated thirteen surplus embryos acquired via in vitro fertilization that were deemed to have “arrested irreversibly,” meaning the blastomeres had not undergone any cleavage division for at least 24 to 48 hours after conception."
https://www.ocf.berkeley.edu/~issues/articles/14.2_Shaikh_A_Dead_Embryos_1.html
These are embryos that have stopped dividing into new cells on their own, and would not grow any further if implanted. The initial research into this possible treatment for mitochondrial disease would start in these non-viable embryos to hone the process of introducing the mitochondria without doing harm to the embryo. Reading the press release from the National Academies of Science, the next step would move to viable male embryos since men do not pass on mitochondria to their children, if approved by the FDA.
Thank you for your generous information and providing some clarity.
Something i'm wondering about is what exactly gives the FDA authority to approve of or disapprove of something like this.
This is confusing.
It's the "Food and Drug Administration". Did something change, or have i just been in the dark about what they've always done?
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