CHRNA4 and schizophrenia: These include the glutamate transporter SLC1A1, a recently reported candidate CNV locus for schizophrenia (Myles-Worsley et al., 2013; Rees et al., 2014a); GABAergic (GABRD also reported in Rees et al., 2014a) and nicotinic receptors (CHRNA4); synaptic scaffolding proteins DLG2, DLGAP1, and SHANK2; and key elements of the presynaptic vesicle release machinery PCLO and NSF.