They revealed a significant prevalence of the T/T genotype of AGT (M235T) in three groups of patients (hypertrophic cardiomyopathy (HCM), dilated cardiomyopathy (DCM) and restrictive cardiomyopathy (RCM)) compared to the control group, indicating that the T/T genotype was significantly associated with enhanced risk of the disease in HCM, DCM and RCM [78]. This evidence concerns the gene AGT and cardiomyopathy, familial restrictive, 1.