this post was submitted on 05 Jul 2025
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Quest to create viable human sex cells in lab progressing rapidly, with huge implications for reproduction

Scientists are just a few years from creating viable human sex cells in the lab, according to an internationally renowned pioneer of the field, who says the advance could open up biology-defying possibilities for reproduction.

Speaking to the Guardian, Prof Katsuhiko Hayashi, a developmental geneticist at the University of Osaka, said rapid progress is being made towards being able to transform adult skin or blood cells into eggs and sperm, a feat of genetic conjury known as in-vitro gametogenesis (IVG).

His own lab is about seven years away from the milestone, he predicts. Other frontrunners include a team at the University of Kyoto and a California-based startup, Conception Biosciences, whose Silicon Valley backers include the OpenAI founder, Sam Altman and whose CEO told the Guardian that growing eggs in the lab “might be the best tool we have to reverse population decline” and could pave the way for human gene editing.

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[–] Mothra@mander.xyz 29 points 1 week ago (8 children)

Ah yes great I feel at ease now, knowing Sam Altman gives the thumbs up to this

That little voice telling me this is a very sharp double edged sword probably doesn't know shit

[–] untorquer@lemmy.world 2 points 6 days ago (1 children)

"Just a a few years away" means, "We are attempting to grift a billionaire", and it won't be achieved. I wish the company many well funded years of unprofitable operation.

[–] Mothra@mander.xyz 1 points 6 days ago (1 children)

I hope you are so right, I really hope

[–] untorquer@lemmy.world 1 points 6 days ago

Not like the story will end. This one's in the same cabinet as combatting aging.

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