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Higher gene expression of CYP1A2, 2B1 and 2D2 in the brain of female compared with male rats.
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2016
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Brain DevelopmentNeuroendocrinologyFemale Reproductive FunctionSocial SciencesMale BrainNeuroendocrine MechanismMale RatsExpression ProfilesNeurochemistryNeurogeneticsMolecular NeuroscienceNeuropharmacologyCytochrome P450EndocrinologyPharmacologySex DifferenceDevelopmental BiologyHigher Gene ExpressionNeuroanatomyPhysiologyNeuroscienceMolecular NeurobiologyMedicine
Cytochrome P450 (CYP) in the brain plays an essential role in the local metabolism of various compounds, including clinically used drugs, toxins, and endogenous substances. In the present study, we compared the expression profiles of mRNAs for several CYP subtypes in the brain between male and female rats. The expression of CYP1A2, CYP2B1, and CYP2D2 in females was significantly higher than that in males. On the other hand, the expression level of the other CYP subtypes examined in the male brain was similar to that in the female brain. These results strongly suggest that marked gender differences exist in the expression profiles of some CYP subtypes in rat brain.