Hennig K.M., Fass D.M., Zhao W.-N., Sheridan S.D., Fu T., Erdin S.,Stortchevoi A., Lucente D., Cody J.D., Sweetser D., Gusella J.F.,Talkowski M.E., Haggarty S.J. WNT/β-catenin pathway and epigeneticmechanisms regulate the Pitt-Hopkins syndrome and schizophreniarisk gene TCF4. This evidence concerns the gene TCF4 and Pitt-Hopkins syndrome.