Myocardial ischemia–reperfusion injury is more severe during the sleep-to-wake transition period of the day. A new study shows that timed administration of digoxin, a cardiac glycoside approved by the US Food and Drug Administration, prevents experimental myocardial ischemia–reperfusion injury by controlling proteostasis of the circadian-clock regulator Rev-Erbα.
- Hui J. Wang
- Ronald M. Evans