chimera

stem cells embyonic cells embryo

Research

First live chimeric monkey is technical feat, ethics concern

The first-ever live birth of a chimeric monkey grown largely from embryonic stem cells is a feat for stem cell research but raises ethical questions.

Helen Floersh Nov 10, 2023 7:05am

Four images showing humanized kidney cell growth in pig embryos

Humanized kidneys grown in pig embryos for the first time

Sep 12, 2023 7:15am