Title : The influence of age on the inducibility of rat liver cytochrome P450IA1 (CYPIA1) and P450IA2 (CYPIA2) mRNAs.

Pub. Date : 1990 May-Jul

PMID : 2233817






3 Functional Relationships(s)
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1 The levels of the messenger RNAs for the cytochromes P450IA1 (CYPIA1) and P450IA2 (CYPIA2) were determined in liver cytoplasmic RNA of rats of various ages after maximal induction with either 3-methylcholanthrene or isosafrole and in untreated rats. isosafrole cytochrome P450, family 1, subfamily a, polypeptide 2 Rattus norvegicus
2 An increase in the CYPIA1 mRNA levels was observed only after treatment with 3-methylcholanthrene, whereas both 3-methylcholanthrene and isosafrole were able to induce the levels of CYPIA2 mRNA. isosafrole cytochrome P450, family 1, subfamily a, polypeptide 2 Rattus norvegicus
3 After induction with isosafrole the levels of the CYPIA2 mRNAs in the older age groups were lower than those observed in young rats. isosafrole cytochrome P450, family 1, subfamily a, polypeptide 2 Rattus norvegicus