Table 1

CGG size, per cent of methylation measured by Southern blot analysis and clinical measures for the 17 males with an expanded CGG repeat allele

CaseCGG*AgePer cent methylationIQAnxietyADHDPerseverationTantrumsASD/PDDNOS
1107695123
212119991
31383997
415514651
5150, 1808<2116
6157, 18083124
71638795
8162211968
9160–19022297
1017018754
11177104863
1218771162
1318892160
14192725111
1519243555
162202179NANANANANANA
1725098455
  • *All 17 cases show series of peaks by CE indicating the presence of multiple CGG repeat alleles. The CGG size reported in the table is correspondent to the major peak(s). Both the CGG and per cent of methylation reported in the table were measured in peripheral blood.

  • ASD, autism spectrum disorders.