GRIA4 and schizophrenia: The molecules that mostly contributed to discriminate schizophrenia from controls were EAAT2, CAMK2A, Synapsin-1, l-Asn, GRIA2, GRIA4, and SLC17A7 whereas the ones that barely contributed to the discrimination were: Gly, mGluR5, CaMKIIα, VGluT1, and d-Asp (Fig. 5a).