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The phenobarbital response enhancer module in the human bilirubin UDP‐glucuronosyltransferase UGT1A1 gene and regulation by the nuclear receptor CAR
TLDR
The UDP‐glucuronosyltransferase, UGT1A1, is the critical enzyme responsible for detoxification of the potentially neurotoxic bilirubin by conjugating it with glucuronic acid and was effectively activated in mouse primary hepatocytes in response to phenobarbital. Expand
The induction of human UDP-glucuronosyltransferase 1A1 mediated through a distal enhancer module by flavonoids and xenobiotics.
TLDR
The results indicate that UGT1A1 was induced in response to flavonoids and xenobiotics through the transactivation of the 290-bp reporter gene, that was a multi-component enhancer containing CAR, PXR and AhR motifs. Expand
Hepatic CYP3A Expression is Attenuated in Obese Mice Fed a High-Fat Diet
TLDR
High-fat diet-induced changes in energy metabolism, which eventually result in obesity, modulate the hepatic expression profile of P450s, particularly CYP3As, suggesting a clinically important drug–diet interaction. Expand
Characterization of serum platelet-activating factor (PAF) acetylhydrolase. Correlation between deficiency of serum PAF acetylhydrolase and respiratory symptoms in asthmatic children.
TLDR
Results suggest that deficiency of serum PAF acetylhydrolase might be one of the factors leading to severe respiratory symptoms in asthmatic children. Expand
Identification of a defect in the UGT1A1 gene promoter and its association with hyperbilirubinemia.
TLDR
The results indicate that homozygosity and compound heterozygosity for mutations in the UGT1A1 gene promoter (T-3263G and A[TA](7)TAA) and/or exon 1 of the gene (G211A) could explain the hyperbilirubinemia seen in the majority of individuals with Gilbert's syndrome. Expand
Changes in the expression of cytochromes P450 and nuclear receptors in the liver of genetically diabetic db/db mice.
TLDR
The results demonstrate that db/db mice and Zucker fatty rats exhibit different expression profiles of P450s and nuclear receptors despite their similar characteristics for obesity and diabetes resulting from a defect in the leptin signaling pathway. Expand
Transcriptional regulation of human UGT1A1 gene expression through distal and proximal promoter motifs: implication of defects in the UGT1A1 gene promoter
TLDR
It is indicated that hepatocyte nuclear factor 1α (HNF1α) bound to the proximal promoter motif not only enhances the basal reporter activity of UGT1A1, including the distal (−3570/−3180) and proximal (−165/−1) regions, but also influences the transcriptional regulation of U GT1A 1 by CAR, PXR, GR, and AhR to markedly enhance reporter activities. Expand
Activation of a polyvalent cation-sensing receptor decreases magnesium transport via claudin-16.
TLDR
Investigation of the effect of a polyvalent cation-sensing receptor (CaSR) on the intracellular distribution of and transport of magnesium by claudin-16 in Madin-Darby canine kidney cells found that CaSR activation may decrease PKA activity, resulting in a decrease in phosphorylated claudIn-16, the translocation of claud in-16 to lysosome and a decreases in magnesium reabsorption. Expand
Nuclear distribution of claudin-2 increases cell proliferation in human lung adenocarcinoma cells.
TLDR
It is suggested that nuclear distribution of claudin-2 is up-regulated by dephosphorylation and claudIn-2 serves to retain ZONAB and cyclin D1 in the nucleus, resulting in the enhancement of cell proliferation in lung adenocarcinoma cells. Expand
Transcriptional Regulation of Human UGT1A1 Gene Expression: Activated Glucocorticoid Receptor Enhances constitutive Androstane Receptor/Pregnane X Receptor-Mediated UDP-Glucuronosyltransferase 1A1
UDP-glucuronosyltransferase (UGT) 1A1 glucuronidates endogenous metabolites, such as bilirubin, and exogenous substances, and plays a critical role in their detoxification and excretion. In aExpand
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