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The Atypical Antipsychotic Lurasidone Affects Brain but Not Liver Cytochrome P450 2D (CYP2D) Activity. A Comparison with Other Novel Neuroleptics and Significance for Drug Treatment of Schizophrenia

Published:6 November 2022 DOI: 10.3390/cells11213513 PMID: 36359909
Przemys?aw J Danek, W?adys?awa A Daniel

Abstract

The aim of this work was to study the effect of prolonged lurasidone administration on the cytochrome 2D (CYP2D) expression and activity in the rat liver and selected brain structures involved in the therapeutic or side effects of this neuroleptic. Male Wistar rats received lurasidone (1 mg/kg ip.) for two weeks. The activity of CYP2D was measured in brain and liver microsomes as the rate of bufuralol 1'-hydroxylation. The CYP2D protein level was determined in microsomes by Western blot analysis. The CYP2D gene expression was estimated in liver tissue by a qRT-PCR method. Lurasidone decreased the activity and protein level of CYP2D in the frontal cortex but increased them in the striatum, nucleus accumbens, brain stem, substantia nigra, and the remainder of the brain. The neuroleptic did not affect CYP2D in the hippocampus, hypothalamus, and cerebellum. In the liver, lurasidone did not affect the CYP2D activity and protein level, though it enhanced the mRNA of CYP2D1 without affecting that of CYP2D2, CYP2D3, CYP2D4, and CYP2D5. In conclusion, lurasidone regulates brain (but not liver) CYP2D activity/protein level in a region-dependent manner, which is similar to that of other atypical neuroleptics (iloperidone and asenapine) as concerns the frontal cortex (down-regulation) and nigrostriatal pathway (up-regulation) and may be of pharmacological significance. However, further molecular studies with selective receptor agonists are necessary to find out which individual monoaminergic receptors/signaling pathways are involved in the regulation of the rat CYP2D4 and human CYP2D6 enzyme in particular brain structures.

Substances (4)

Materials
Procduct Name CAS Molecular Formula Supplier Price
Lurasidone hydrochloride 367514-88-3 C28H37ClN4O2S 359 suppliers $39.00-$1875.00
Lurasidone hydrochloride 367514-88-3 C28H37ClN4O2S 359 suppliers $39.00-$1875.00
Lurasidone hydrochloride 367514-88-3 C28H37ClN4O2S 359 suppliers $39.00-$1875.00
Lurasidone hydrochloride 367514-88-3 C28H37ClN4O2S 359 suppliers $39.00-$1875.00

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