KCNMB2 and Menkes disease: To our surprise, we did not find LTP abnormality in MD F1 mice comparing to CD F1 mice after either Kcnmb2 or control virus injection (Figures 5A,B; fEPSPs measured at 50–60 min post-tetanus, Two-way ANOVA with the between-subjects factors paternal diet and AAV treatment, P > 0.05).