Apr 15, 2021 Volume 184 Issue 8 p1941-2258
Advancing the ethical dialogue about monkey/human chimeric embryos
Henry T. Greely, Nita A. Farahany
In this issue of Cell, Tan et al. report the first injection of human stem cells into in vitro non-human primate blastocysts with significant survival of the human cells, raising new scientific possibilities but also important ethical issues.