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“The amount of functional mRNA specific for the P-450 polypeptides increases dramatically in response to an acute administration of phenobarbital ; however, in untreated rats the amount of functional mRNA was below the level of detection by the translational assay.”
Archives of biochemistry and biophysics • 1983 | View Paper
“A number of major microsomal polypeptides which might represent unidentified forms of cytochrome P-450 in untreated males and females were markedly decreased in a specific manner as a result of phenobarbital and/or 3-methylcholanthrene treatments.”
“Administration of phenobarbital , or of benzo[a]pyrene or 3-methylcholanthrene, resulted in specific increases of membrane polypeptides corresponding to cytochrome P-450 and cytochrome P-448 species respectively.”