Embryos shape their limbs: a key discovery of "genetic brakes"
limb developmentgenetic brakesPolycomb complexesembryonic developmentgene expression
Author: gmays
Date: 6/3/2026
Article Summary:
Researchers at the IRCM discover how certain proteins, known as Polycomb complexes, act as "genetic brakes" to switch off genes at the right time, allowing proper limb development in embryos.