Cited by 87Cholesterol and Lipid MetabolismLipid metabolism and disordersLipoproteins and Cardiovascular Health

The LXR–Idol Axis Differentially Regulates Plasma LDL Levels in Primates and Mice

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Hong, Cynthia, Marshall, Stephanie M., McDaniel, Allison L., Graham, Mark, Layne, Joseph D., Cai, Lei, Scotti, Elena, Boyadjian, Rima +9 more·2014·Cell Metabolism

Abstract

The LXR-regulated E3 ubiquitin ligase IDOL controls LDLR receptor stability independent of SREBP and PCSK9, but its relevance to plasma lipid levels is unknown. Here we demonstrate that the effects of the LXR-IDOL axis are both tissue and species specific. In mice, LXR agonist induces Idol transcript levels in peripheral tissues but not in liver, and does not change plasma LDL levels. Accordingly, Idol-deficient mice exhibit elevated LDLR protein levels in peripheral tissues, but not in the liver. By contrast, LXR activation in cynomolgus monkeys induces hepatic IDOL expression, reduces LDLR protein levels, and raises plasma LDL levels. Knockdown of IDOL in monkeys with an antisense oligonucleotide blunts the effect of LXR agonist on LDL levels. These results implicate IDOL as a modulator of plasma lipid levels in primates and support further investigation into IDOL inhibition as a potential strategy for LDL lowering in humans.

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Crossref · 10.1016/j.cmet.2014.10.001

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Authors
Hong, C., Marshall, S. M., McDaniel, A. L., Graham, M., Layne, J. D., Cai, L., Scotti, E., Boyadjian, R., Kim, J., Chamberlain, B. T., Tangirala, R. K., Jung, M. E., Fong, L., Lee, R., Young, S. G., Temel, R. E., & Tontonoz, P.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Wake Forest University Health Sciences (US)
  • Ionis Pharmaceuticals (United States) (US)
  • University of Kentucky (US)
  • University of California, Los Angeles (US)
  • California NanoSystems Institute (US)
  • Atrium Health Wake Forest Baptist (US)
Corresponding author
  • Temel, Ryan E.
  • Tontonoz, Peter
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2014-11
Volume
20
Issue
5
Pages
910-918
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2124416452
Cited by
87
References
29
Citations by year
2026: 2 · 2025: 7 · 2024: 9 · 2023: 7 · 2022: 4 · 2021: 10 · 2020: 9 · 2019: 9 · 2018: 4 · 2017: 9 · 2016: 6 · 2015: 11
FWCI
8.60
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • Wake Forest University
  • Tulane University
  • National Institutes of Health (5r00hl088528-05)
  • Wake Forest School of Medicine
  • National Heart, Lung, and Blood Institute (P01HL090553, R01HL111932, HL066088, R00-HL088528, T32HL091797, HL111932, HL090553, K99HL088528, R01HL066088, HL088528)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK041301)
Topics
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
Keywords
liver X receptor, idols, E3 ubiquitin ligase, LDL receptor, species differences, Macaca fascicularis, LXR agonists, antisense oligonucleotides, LDL-C lowering therapy, lipid metabolism
MeSH terms
Liver X Receptors, Animals, Haplorhini, Cells, Cultured, Humans, Cholesterol, LDL, Liver, Macaca fascicularis, Male, Mice, Inbred C57BL, Receptors, LDL, Species Specificity, Signal Transduction, Ubiquitin-Protein Ligases, Mice, Orphan Nuclear Receptors

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