Synapse-Associated Protein 90/Postsynaptic Density-95-Associated Protein (SAPAP) is Expressed Differentially in Phencyclidine-Treated Rats and is Increased in the Nucleus Accumbens of Patients with Schizophrenia

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Abstract
Phencyclidine (PCP) induces a psychotomimetic state that closely resembles schizophrenia. Therefore, PCP-treated animals can provide a model for schizophrenia. Using differential display, we identified a gene regulated by the delayed action of PCP in rat nucleus accumbens (NAcs). Sequence analysis showed that the cDNA clone obtained was identical to rat synapse-associated protein 90/postsynaptic density-95-associated protein 1 (SAPAP1). Quantitative reverse transcriptase (RT)-PCR analysis showed that SAPAP1 mRNA had increased significantly in rat NAc (PPPN-methyl-D-aspartate (NMDA) receptors.

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