FMR1 and fragile X syndrome: For this analysis, we used 1K GP3 data and selected RED genes that are caused by expansion of the reference sequence: FMR1 (fragile X syndrome), DIP2B (intellectual disability FRA12A type), ATXN8 (SCA8), ATXN10 (SCA10), LRP12 and GIPC1 (oculopharyngodistal myopathy 1 and 2, respectively45).