In addition to lower levels of cytoplasmic Rbfox1, the mean levels of nuclear Rbfox1 (F1,19=19.9, p < 0.001) and total Rbfox1 (F1,19=19.9, p < 0.001) immunoreactivities were also lower in PVIs in schizophrenia subjects (Fig. 2B, C). Here, RBFOX1 is linked to schizophrenia.