Association between CAG repeat length in the PPP2R2B gene and Alzheimer disease in the Japanese population

▶ The repeat range was 5-37 and 8-35 in the control and AD groups, respectively. ▶ The frequency of CAG repeats shorter than 15 was significantly higher in AD group. ▶ Especially, in the AD with APOE4 group, it was significantly higher than control.