TTN and cardiomyopathy, familial restrictive, 1: Genes with (non-infiltrative) RCM variants include also TNNI3, TNNT2, TNNC1, TPM1, TTN, MYH7, MYL2, MYBPC3, MPN, DES, FLNC, LMNA, BAG3 (Table 1) and are similar to those of DCM, HCM and LVNC [52,54,55].