Fig. 5

FMR1 5hmC levels correlate with transcriptionally active chromatin and is reciprocal to 5mC levels at the FMR1 TSS. a Hierarchical clustering using Ward’s method for the different indicated molecular endpoints at the region surrounding FMR1 TSS. Yellow color represents the highest values, blue color the lowest, and the black the mean. b–c Linear regression analysis of indicated molecular assays (5mC, 5hmC, or FMR1 mRNA expression) in eight FXS patients PBMC samples. The coefficient of determination denoted RSq and the p value are indicated. The dots gradient coloring represents the mRNA expression level for each sample, black for the highest expression level, and light grey for the lowest level. All results from linear regression analyses are available from Additional file 6: Table S5