ACTB and myotonic dystrophy type 1: QRT-PCR experiments, using Syber-Green assay and the Beta-Actin mRNA as control for normalization of samples, showed no significant differences between DM1 and controls groups (Fold change DM1-1 = 1,27, DM1-2 = -1,82, DM1-3 = 1,77, DM1-4 = 2,1, DM1-5 = 1,06, DM1-6 = -1,92, DM1-7 = 1,29).