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PMID |
Sentence |
1 |
1598076
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Hypercholesterolemia was associated with a defect of lipoprotein receptor activity and with elevated HMG-CoA reductase and cholesterol 7 alpha - hydroxylase; conversely ACAT activity was lower in Yoshida as compared to Brown Norway rats.
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2 |
14522988
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Furthermore, we show that PGC-1alpha activates the CYP7A1 promoter directly in transient transfection assays in cultured cells.
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3 |
14522988
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Thus, PGC-1alpha is a key activator of CYP7A1 and bile acid biosynthesis and is likely responsible for the fasting and diabetes dependent induction of CYP7A1.
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4 |
16885156
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The insulin-regulated forkhead box O1 (FoxO1) and steroid regulatory element-binding protein-1c (SREBP-1c) strongly inhibited hepatocyte nuclear factor 4alpha and peroxisome proliferator-activated receptor gamma coactivator-1alpha trans-activation of the CYP7A1 gene.
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5 |
16885156
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FoxO1 binds to an insulin response element in the rat CYP7A1 promoter, which is not present in the human CYP7A1 gene.
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6 |
16885156
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We conclude that insulin has dual effects on human CYP7A1 gene transcription; physiological concentrations of insulin rapidly inhibit FoxO1 activity leading to stimulation of the human CYP7A1 gene, whereas prolonged insulin treatment induces SREBP-1c, which inhibits human CYP7A1 gene transcription.
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7 |
19237543
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Consistent with recently reported results, we show CYP7A1 is a direct target of FoxO1.
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