DLG4 and schizophrenia: A recent machine learning approach confirmed that, among the molecules of glutamatergic pathway highly predictive of schizophrenia in post-mortem dorsolateral PFC, there were D-serine, D-aspartate/total aspartate ratio, and other postsynaptic proteins such as PSD-95, exhibiting a complex non-linear relationship with the probability of developing the disorder [190].