KLF5 and schizophrenia: Some of them, including EGR1, KLF5, SP1, SP4, and TFDP1, have been associated with the pathophysiology of schizophrenia (Katsel et al., 2008; Yanagi et al., 2008; Fusté et al., 2013; Duclot and Kabbaj, 2017).