PVALB and schizophrenia: In addition, IPA analysis indicated that PCP-SI altered several additional genes coding proteins (e.g. parvalbumin, neurotensin, and the 5-HT5A receptor) previously associated by multiple techniques to changes seen in patients with schizophrenia (Beasley and Reynolds, 1997; Sharma et al., 1997; Iwata et al., 2001; Hashimoto et al., 2003; Table 2).