Search results for "liver zonation"

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Convergence of Wnt signaling on the HNF4alpha-driven transcription in controlling liver zonation.

2009

Background & Aims: In each hepatocyte, the specific repertoire of gene expression is influenced by its exact location along the portocentrovenular axis of the hepatic lobule and provides a reason for the liver functions compartmentalization defined "metabolic zonation." So far, few molecular players controlling genetic programs of periportal (PP) and perivenular (PV) hepatocytes have been identified; the elucidation of zonation mechanisms remains a challenge for experimental hepatology. Recently, a key role in induction and maintenance of the hepatocyte heterogeneity has been ascribed to Wnt/β-catenin pathway. We sought to clarify how this wide-ranging stimulus integrates with hepatocyte s…

Beta-cateninWnt ProteinCellular differentiationBlotting WesternLiver Stem CellFluorescent Antibody TechniqueMice TransgenicBiologyTransfectionSensitivity and SpecificityAnimals; Blotting Western; Cell Differentiation; Cell Proliferation; Cells Cultured; Fluorescent Antibody Technique; Hepatocyte Nuclear Factor 4; Hepatocytes; Humans; Immunoprecipitation; Mice; Mice Knockout; Mice Transgenic; Reverse Transcriptase Polymerase Chain Reaction; Sensitivity and Specificity; Signal Transduction; Transfection; Wnt Proteins; beta Catenin; GastroenterologyMiceliver zonation; wnt signalling; beta catenin; hnf4Gene expressionmedicineAnimalsHumansImmunoprecipitationHepatocyteCells Culturedbeta CateninCell ProliferationMice KnockoutHepatologyAnimalReverse Transcriptase Polymerase Chain ReactionGastroenterologyWnt signaling pathwayCell DifferentiationMolecular biologyWnt Proteinsmedicine.anatomical_structureHepatocyte nuclear factor 4Hepatocyte Nuclear Factor 4Hepatocytebiology.proteinHepatocytesChromatin immunoprecipitationHumanSignal TransductionGastroenterology
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