TTN and hypertrophic cardiomyopathy: Furthermore, c.2609G>T p.(Arg870Leu) and c.52903C>T p.(Arg17635*) were identified in MYH7 (associated with hypertrophic cardiomyopathy) and TTN (associated with dilated cardiomyopathys), respectively (Table 2) [12,13,14,15].