AKT1 and cardiac hypertrophy: Multiple signalling pathways have been demonstrated to positively regulate protein synthesis and cardiac hypertrophy, including phosphoinositide 3‐kinase (PI3K)/Akt signalling, mitogen‐activated protein kinase signalling, Ca2+/calmodulin‐dependent kinase II signalling and calcineurin‐nuclear factor of activated T cell signalling.3, 4