RBM20 and familial dilated cardiomyopathy: We selected three DCM-related mutations as PE targets in hi-CMs due to their clinical relevance: the LMNAK117fs frameshift (c.348_349insG) and two missense variants in the RBM20 gene, RBM20P633L (c.1898 C>T) and RBM20R634Q (c.1901 G>A).20