The present invention relates to methods of treating or preventing a metabolic disorder in a subject, methods of treating or preventing coronary artery disease in a subject with a metabolic disorder, as well as methods of reducing hepatic glucose production in a subject. Such methods include, but are not limited to, the administration to the subject of inhibitors or activators of CaMKII, IP3Rs, calcineurin, p38, MK2 / 3, HDAC4, Dach1, Dach2, or any combination thereof. The invention also provides methods of identifying a compound that inhibits the activity of CaMKII, IP3Rs, calcineurin, p38, MK2 / 3, HDAC4, Dach1 or Dach2, or reduces the activity and / or activation of CaMKII, IP3Rs, calcineurin, p38, MK2 / 3, HDAC4, Dach1 or Dach, or activates CaMKII, IP3Rs, calcineurin, p38, MK2 / 3, HDAC4, Dach1 or Dach2.