Others have created primitive human sperm this way. He's turned human blood cells into IPS cells and then used them to create very primitive human eggs. STEIN: In fact, Saitou says he's already pretty far down that pathway. MITINORI SAITOU: We are in the process of translating these technologies into humans. Mitinori Saitou joins the workshop via Zoom from Kyoto University. They've even used those sperm and eggs to make embryos and implanted the embryos into the wombs of female mice, which gave birth to apparently healthy mouse pups. STEIN: Japanese scientists describe how they've already done this in mice, coaxing cells from the tails of adult mice to become what's known as induced pluripotent stem cells, or IPS cells, and then coaxing those cells to become mouse sperm and eggs. Eli Adashi from Brown University opens the Academy's first gathering to explore the latest scientific developments and complicated social implications of something known as in vitro gametogenesis, or IVG, which involves making human eggs and sperm in the laboratory from any cell in a person's body.ĪDASHI: It is on the precipice of materialization, and IVF will probably never be the same. ROB STEIN, BYLINE: It's a Wednesday morning at the National Academies of Sciences, Engineering, and Medicine in downtown Washington, D.C.ĮLI ADASHI: Welcome, everybody, to the National Academy of Medicine workshop. What does that mean for humanity? Here's NPR health correspondent Rob Stein.
Scientists are near creating human eggs and sperm in the lab with any one person's genes. We are close to a revolution in the way that human beings reproduce.
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