DLGAP2 and autism: Rare de novo CNVs, deletions, and duplications of DLGAP2 have been reported in individuals with ASD, but how mutations of DLGAP2 contribute to autism is still largely unknown (Marshall et al., 2008; Ozgen et al., 2009; Chien et al., 2010; Pinto et al., 2010; Cukier et al., 2014).