Title : Suppression of cytochrome P450 (Cyp1a-1) induction in mouse hepatoma Hepa-1C1C7 cells by methoxsalen.

Pub. Date : 1995 Mar 28

PMID : 7702611






4 Functional Relationships(s)
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1 Suppression of cytochrome P450 (Cyp1a-1) induction in mouse hepatoma Hepa-1C1C7 cells by methoxsalen. Methoxsalen cytochrome P450, family 1, subfamily a, polypeptide 1 Mus musculus
2 Cultured mouse hepatoma cell line Hepa-1c1c7 cells were treated with methoxsalen to assess the role of methoxsalen in the process of Cyp1a-1 induction. Methoxsalen cytochrome P450, family 1, subfamily a, polypeptide 1 Mus musculus
3 We find that treatment of Hepa-1c1c7 cells with methoxsalen inhibited CYP1A1 mRNA induction by TCDD as well as the concomitant increase P4501A1 protein. Methoxsalen cytochrome P450, family 1, subfamily a, polypeptide 1 Mus musculus
4 Formation of DNA-protein complexes between the dioxin receptor and its DRE target was inhibited by methoxsalen, as determined by gel mobility shift assays using oligonucleotides corresponding to DRE 3 of the Cyp1a-1 gene. Methoxsalen cytochrome P450, family 1, subfamily a, polypeptide 1 Mus musculus