The transgenic construct contains the mouse DNA-damage-inducible transcript 4-like (Ddit4l) gene, tagged with human influenza hemagglutinin, under the control of the tetO/Myh6, tet-operator (tetracycline-responsive element) and mouse myosin, heavy polypeptide 6, cardiac muscle, alpha (alpha-MHC) fusion promoter. (J:242621)