AGT and cardiovascular disorder: Recent studies have shown that ghrelin can upregulate microRNAs (miRNAs) and can in turn be regulated by miRNAs.10,11 However, the target miRNAs of ghrelin in inhibiting Ang II-induced apoptosis and the mechanisms underlying their role in cardiovascular diseases, especially in cardiomyocytes apoptosis, have not been fully elucidated.