TNNT2 and familial dilated cardiomyopathy: In conclusion, based on the sequence analysis of TNNT2 in DCM patients, the present study identified 6 novel TNNT2 variants, a missense mutation (G12026T, c.252 G>T, Leu84Phe), 5 mutations in introns, SNP rs3729843, and 2 novel single-nucleotide polymorphisms (c.192+353 C>A, c.192+463 G>A).