ZNF667 and myocardial ischemia: The rat zinc finger protein 667, ZNF667, provisionally named myocardial ischemic preconditioning upregulated protein 1 (Mipu1) in our lab due to its upregulation during myocardial ischemia/reperfusion, belongs to the KRAB/C2H2 zinc finger proteins that contains a KRAB domain at its N-terminus and 14 zinc fingers at its C-terminus.