Title : Altered regulation of the cytochrome P4501A1 gene: novel inducer-independent gene expression in pulmonary carcinoma cell lines.

Pub. Date : 1989 Dec 6

PMID : 2555530






5 Functional Relationships(s)
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1 CYP1A1 mRNA was detected in 14 of 15 (93%) of the non-small cell lung carcinoma cell lines examined following 24-hour treatment with benz[a]anthracene (BA) and in nine of 15 (60%) of the non-small cell lines cultured without an inducer in the medium. benz(a)anthracene cytochrome P450 family 1 subfamily A member 1 Homo sapiens
2 CYP1A1 mRNA was detected in 14 of 15 (93%) of the non-small cell lung carcinoma cell lines examined following 24-hour treatment with benz[a]anthracene (BA) and in nine of 15 (60%) of the non-small cell lines cultured without an inducer in the medium. benz(a)anthracene cytochrome P450 family 1 subfamily A member 1 Homo sapiens
3 A positive correlation was noted between BA-induced CYP1A1 mRNA levels and the corresponding aryl hydrocarbon hydroxylase activity expressed as absolute BA-induced enzyme activity (r = 0.74; P less than .01; n = 24), which further demonstrated that CYP1A1 mRNA expression reflects CYP1A1 enzyme activity in the individual cell lines. benz(a)anthracene cytochrome P450 family 1 subfamily A member 1 Homo sapiens
4 A positive correlation was noted between BA-induced CYP1A1 mRNA levels and the corresponding aryl hydrocarbon hydroxylase activity expressed as absolute BA-induced enzyme activity (r = 0.74; P less than .01; n = 24), which further demonstrated that CYP1A1 mRNA expression reflects CYP1A1 enzyme activity in the individual cell lines. benz(a)anthracene cytochrome P450 family 1 subfamily A member 1 Homo sapiens
5 A positive correlation was noted between BA-induced CYP1A1 mRNA levels and the corresponding aryl hydrocarbon hydroxylase activity expressed as absolute BA-induced enzyme activity (r = 0.74; P less than .01; n = 24), which further demonstrated that CYP1A1 mRNA expression reflects CYP1A1 enzyme activity in the individual cell lines. benz(a)anthracene cytochrome P450 family 1 subfamily A member 1 Homo sapiens