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  • Title: Sequence of the rat PB-inducible CYP2B1 promoter.
    Author: Shaw PM, Edigkaufer M, Doehmer J, Adesnik M.
    Journal: Biochim Biophys Acta; 1996 Feb 07; 1305(1-2):54-8. PubMed ID: 8605250.
    Abstract:
    The 5' flanking region of the rat PB-inducible CYP2B1 gene was isolated and the sequence from +27 to -3878 was determined. This sequence contains several putative binding sites for the liver-enriched factors HNF3 as well as an AP1, two NF-kappa B and several possible STAT sites. The promoter sequence of the CYP2B1 gene was compared to that of the CYP2B2 sequence, published by Hoffman et al. ((1992) Gene Exp. 2, 353-362) and was found to be almost identical up to -2300 bp, beyond which it diverges significantly from the remaining published sequence of CYP2b2 gene. Transient transfection experiments in the differentiated hepatoma cell line, FGC4, showed that the 3.9 kb promoter was expressed, however, an increase in reporter activity was not observed in the presence of phenobarbital.
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