Interestingly, the percentage of S100β+ / DAPI cells was significantly higher in FXS- hiDFP-derived neurons (15.88% ± 1.61%) compared to controls (4.46% ± 0.57%) at day 14 of differentiation [t(4) = 3.587, p = 0.023; Figure 7F]. The gene discussed is S100B; the disease is fragile X syndrome.