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Chenodeoxycholic acid significantly impacts the expression of miRNAs and genes involved in lipid, bile acid and drug metabolism in human hepatocytes
Univ Zurich, Dept Clin Pharmacol & Toxicol, Univ Zurich Hosp, CH-8006 Zurich, Switzerland..
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Functional Pharmacology.
Hosp Univ Munich, Dept Gen Visceral Transplantat Vasc & Thorac Surg, Munich, Germany..
Hosp Univ Munich, Dept Gen Visceral Transplantat Vasc & Thorac Surg, Munich, Germany..
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2016 (English)In: Life Sciences, ISSN 0024-3205, E-ISSN 1879-0631, Vol. 156, 47-56 p.Article in journal (Refereed) PublishedText
Abstract [en]

Aims: Bile acids (BAs) are important gut signaling hormones, influencing lipid, glucose, and energy homeostasis. The exact mechanisms behind these effects are not yet fully understood. Lately, they have come to the fore as putative therapeutics in metabolic diseases, such as e.g. nonalcoholic fatty liver disease (NAFLD). We elucidate to what extent BAs impacts on the mRNAome and microRNAome in hepatocytes to gather novel insights into the mechanisms behind metabolic and toxicologic effects of bile acids. Main methods: Five batches of primary human hepatocytes were treated with 50 mu mol/l chenodeoxycholic acid (CDCA) for 24 or 48 h. Total RNA was extracted, size fractionated and subjected to Next Generation Sequencing to generate mRNA and miRNA profiles. Key findings: Expression of 738 genes and 52 miRNAs were CDCA dependently decreased, whereas 1566 genes and 29 miRNAs were significantly increased in hepatocytes. Distinct gene clusters controlling BA and lipid homeostasis (FGF(R), APO and FABP family members, HMGCS2) and drug metabolism (CYP, UGT and SULT family members) were significantly modulated by CDCA. Importantly, CDCA affected distinct microRNAs, including miR-34a, -505, -885, -1260 and -552 that systematically correlated in expression with gene clusters responsible for bile acid, lipid and drug homeostasis incorporating genes, such as e.g. SLCO1B1, SLC22A7, FGF19, CYP2E1, CYP1A2, APO family members and FOXO3. Significance: Bile acids significantly modulate metabolic and drug associated gene networks that are connected to distinct shifts in the microRNAome These findings give novel insights on how BA enfold metabolic and system toxic effects.

Place, publisher, year, edition, pages
2016. Vol. 156, 47-56 p.
Keyword [en]
Bile acids, Chenodeoxycholic acid, Primary human hepatocytes, mRNA profiling, microRNA profiling, microRNA-34a
National Category
Pharmacology and Toxicology
URN: urn:nbn:se:uu:diva-299033DOI: 10.1016/j.lfs.2016.04.037ISI: 000377540900007PubMedID: 27174168OAI: diva2:948865
Swedish Society for Medical Research (SSMF)
Available from: 2016-07-14 Created: 2016-07-13 Last updated: 2016-07-14Bibliographically approved

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Boström, AdrianSchiöth, Helgi B.Mwinyi, Jessica
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