PLA2G1B and schizophrenia: Moreover, although it has been suggested that the PLA2 superfamily genes influence the pathogenesis of schizophrenia by participating in cell membrane lipid homeostasis, the present study could not yet conclude that the pathomechanism of the association between deletion of the PLA2G4A gene and the risk of schizophrenia is related to cell membrane lipid disorders due to the lack of relevant experimental evidence.