May 6, 2021

For First Time Ever, Scientists Create Part-Human, Part-Monkey Embryos

Posted by in categories: biotech/medical, genetics

The human cells grew inside all 132 of the embryos after just 24 hours. After ten days, 103 chimeric embryos remained. By day 19, however, only three chimeras were left alive – and they were then terminated.

“This knowledge will allow us to go back now and try to re-engineer these pathways that are successful for allowing appropriate development of human cells in these other animals,” Juan Carlos Izpisua Belmonte, genetics professor at the Salk Institute for Biological Sciences in La Jolla, California and co-author of the study, told NPR.

“We are very, very excited,” he added.

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