Mice with human cells developed using 'game-changing' technique
To develop more effective human-animal chimaeras, researchers successfully injected human cells into pregnant mice's amniotic fluid, yielding baby mice with human cells in vital organs.
Clonal tracing with somatic epimutations reveals dynamics of blood ageing - Nature
Despite the utility of traditional lineage tracing techniques, there's a pressing need for methods that utilize endogenous markers instead of complex genetic engineering.