Myocardial carbohydrate uptake

Myocardial carbohydrate uptake" refers to the physiological process by which the heart muscle imports carbohydrates, principally glucose, to support energy production. This uptake occurs mainly through the actions of glucose transporter proteins GLUT4 and GLUT1, which translocate to the cell membrane in response to insulin signaling and muscle contraction[1][5]. The regulation of this process is critical for maintaining cardiac energy metabolism and function, especially under stress or disease conditions such as heart failure or ischemia[2][4]. Therapeutic strategies targeting this process include modulation of transporter activity and metabolic pathways (e.g., pyruvate dehydrogenase activation)[2]. Dysregulation can contribute to cardiovascular disease, making these transporters and metabolic steps indirect therapeutic targets in cardiac health[3][4]. In summary, for the purposes of structured information, "Myocardial carbohydrate uptake" should be flagged as an incorrect or overly broad entry. The relevant therapeutic targets are the specific glucose transporters (GLUT4, GLUT1) and associated enzymes in cardiac metabolism.

Other names

Glucose uptake in cardiomyocytesCardiac glucose transport

Stimulation of glucose transporters (GLUT4/GLUT1) translocation to sarcolemma (cell surface) via insulin or contraction signaling; Activation of pyruvate dehydrogenase via pyruvate dehydrogenase kinase inhibition (by dichloroacetate).