ADARB1 and cardiovascular disorder: Currently the situation regarding research on ADARsis quite different.The role of ADAR2 in the brain is quite well established, and newroles of ADAR2 in human cardiovascular disease is a promising areaof research.66 What is rather surprisingis the high levels of RNA editing by ADAR2 in the vascular system,which are ten times higher than those in the brain.