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KMID : 0043319980210010035
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Archives of Pharmacal Research
1998 Volume.21 No. 1 p.35 ~ p.40
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Isolation of Human CYP4F2 genomic DNA and its 5[I] End Regulatory Region Structure
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Jin Hyung-Jong
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Abstract
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Human cytochrome P450 4F2 shows high regioselectivity in hydroxylation of stearic acid and leukotriene As a first step of its regulation study, human cytochrome P450 4F2 genomic DNA was isolated from liver of a person who was administered clofibrate for 10 years. From Southern hybridization, restriction enzyme digestion and sequencing experiments, isolated genomic DNA fragment was found to contain around 32 Kb DNA and more than 20 Kb of end regulatory region. Sequences of the structural gene region revealed exon 1 and exon 2. Further regulation studies would elucidate the feedback mechanisms of the oxidative degradation of fatty acids, inflammatory response and the clearance of leukotriene B4 in the liver. Furthermore, regulation study of this gene could explain the species difference in responses to peroxisome proliferator and help in the safety evaluation of peroxisome proliferating chemicals to human being.
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KEYWORD
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Human cytochrome p450 4F2, Leukotriene B4, Genomic DNA cloning, 5` end regulatory region
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