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iScience. 2020 May 22;23(5):101102. doi: 10.1016/j.isci.2020.101102. Epub 2020 Apr 29.

High Glucose Induces Lipid Accumulation via 25-Hydroxycholesterol DNA-CpG Methylation.

iScience

Yaping Wang, Lanming Chen, William M Pandak, Douglas Heuman, Phillip B Hylemon, Shunlin Ren

Affiliations

  1. College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Department of Internal Medicine, Virginia Commonwealth University/McGuire VA Medical Centre, Research 151, 1201 Broad Rock Boulevard, Richmond, VA 23249, USA.
  2. College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China.
  3. Department of Internal Medicine, Virginia Commonwealth University/McGuire VA Medical Centre, Research 151, 1201 Broad Rock Boulevard, Richmond, VA 23249, USA.
  4. Department of Internal Medicine, Virginia Commonwealth University/McGuire VA Medical Centre, Research 151, 1201 Broad Rock Boulevard, Richmond, VA 23249, USA. Electronic address: [email protected].

PMID: 32408171 PMCID: PMC7225732 DOI: 10.1016/j.isci.2020.101102

Abstract

This work investigates the relationship between high-glucose (HG) culture, CpG methylation of genes involved in cell signaling pathways, and the regulation of carbohydrate and lipid metabolism in hepatocytes. The results indicate that HG leads to an increase in nuclear 25-hydroxycholesterol (25HC), which specifically activates DNA methyltransferase-1 (DNMT1), and regulates gene expression involved in intracellular lipid metabolism. The results show significant increases in

Copyright © 2020 The Author(s). Published by Elsevier Inc. All rights reserved.

Keywords: Biological Sciences; Molecular Genetics; Systems Biology

Conflict of interest statement

Declaration of Interests S.R. and Virginia Commonwealth University obtain license-related payments from DURECT Corporation, Cupertino, CA.

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