IKBKB and schizophrenia: Even after accounting for inflammatory status, people with schizophrenia differed significantly from controls in their expression of TNFR2, IKKβ and NIK mRNAs (main effect of diagnosis: all F > 4.49, all p < 0.04), such that patients had higher levels of TNFR2 transcript and lower levels of IKKβ and NIK transcripts compared to controls (Fig. 4).