IL1B and schizophrenia: In the case of IL-1β, IL-6 and TNF-α, their potential roles as trait markers of schizophrenia seem to be supported by correlations with the results of neuroimaging studies [84,100,101,102,103,104,105],; and in the case of TNF-α and IL-6, also with the experience of early childhood trauma [80,81].