Mutations in the RS-domain of RNA-binding motif protein 20 (RBM20) have recently been identified to segregate with aggressive forms of familial dilated cardiomyopathy (DCM).
Mutation in RBM20 is linked to autosomal-dominant familial dilated cardiomyopathy (DCM), yet most of the RBM20 missense mutations in familial and sporadic cases were mapped to an RSRSP stretch in an arginine/serine-rich region of which function remains unknown.
Recent evidence revealed that RBM20 mutation represents one main cause for familial dilated cardiomyopathy with a 3% prevalence in all forms of dilated cardiomyopathy.
MYH7 appears as the most frequently mutated gene in our FDCM population (approximately 10%), and mutation carriers present with delayed onset, in contrast to TNNT2.
Rapid and effective response of the R222QSCN5A to quinidine treatment in a patient with Purkinje-related ventricular arrhythmia and familial dilated cardiomyopathy: a case report.
The importance of BAG3 in the homeostasis of myocytes and its role in the development of heart failure was evidenced by the finding that single allelic mutations in BAG3 were associated with familial dilated cardiomyopathy.
Identical deletions in exon 13 of TNNT2 have been reported in 2 families with FDC, but little is known about the frequency of this deletion among patients with FDC and idiopathic dilated cardiomyopathy (IDC) and the associated phenotype.