An international panel of experts on DCM genetics evaluated published evidence on 51 genes relevant to DCM, and they summarized that 12 genes (BAG3, DES, FLNC, LMNA, MYH7, PLN, RBM20, SCN5A, TNNC1, TNNT2, TTN) had definitive or strong evidence, and 7 genes (ACTC1, ACTN2, JPH2, NEXN, TNNI3, TPM1, VCL) had moderate evidence (9). The gene discussed is TNNC1; the disease is familial dilated cardiomyopathy.