On the one hand, numerous studies have observed the mixed changes in ApoA1 and ApoB levels in patients with schizophrenia, such as an increase in ApoA1 [31, 34, 35] or ApoB [33, 36, 37] and reduction of ApoA1 [37, 38], or ApoB [35]. Here, APOB is linked to schizophrenia.