A zebrafish mutant with expanded endocardial cushions, which are precursors of the heart valves, has allowed Adam Hurlstone and colleagues to identify a surprising new role for the Wnt/β-catenin ...

An artistic rendering of a developing mouse heart showing cilia (green) at the endocardial cushion, with inflow on the left and the ventricle on the right. See Berg et al. Septic cardiomyopathy arises ...