Cited by 110Cholesterol and Lipid MetabolismMicroRNA in disease regulationLipoproteins and Cardiovascular Health

Anti-miR-33 therapy does not alter the progression of atherosclerosis in low-density lipoprotein receptor-deficient mice

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Marquart, Tyler J., Wu, Judy, Lusis, Aldons J., Baldán, Ángel·2013·Arteriosclerosis, Thrombosis, and Vascular Biology

Abstract

Objective—: To determine the efficacy of long-term anti-miR-33 therapy on the progression of atherosclerosis in high-fat, high-cholesterol–fed Ldlr –/– mice. Methods and Results—: Ldlr –/– mice received saline, or control or anti-miR-33 oligonucleotides once a week for 14 weeks. The treatment was effective, as measured by reduced levels of hepatic miR-33 and increased hepatic expression of miR-33 targets. Analysis of plasma samples revealed an initial elevation in high-density lipoprotein cholesterol after 2 weeks of treatment that was not sustained by the end of the experiment. Additionally, we found a significant increase in circulating triglycerides in anti-miR-33–treated mice, compared with controls. Finally, examination of atheromata revealed no significant changes in the size or composition of lesions between the 3 groups. Conclusion—: Prolonged silencing of miR-33 fails to maintain elevated plasma high-density lipoprotein cholesterol and does not prevent the progression of atherosclerosis in Ldlr –/– mice.

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Authors
Marquart, T. J., Wu, J., Lusis, A. J., & Baldán, Á.
Affiliations
University of California, Los Angeles (US)
Venue
Arteriosclerosis, Thrombosis, and Vascular Biology
Published
2013-03
Volume
33
Issue
3
Pages
455-458
ISSN
  • 1079-5642 (ISSN-L)
  • 1524-4636
OpenAlex
W2169384530
Cited by
110
References
14
Citations by year
2026: 2 · 2025: 3 · 2024: 3 · 2023: 4 · 2022: 1 · 2021: 5 · 2020: 4 · 2019: 3 · 2018: 4 · 2017: 14 · 2016: 18 · 2015: 15 · 2014: 18 · 2013: 16
FWCI
22.03
Type
journal article
Language
en
Open access
Locations
  • Arteriosclerosis Thrombosis and Vascular Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Saint Louis University
  • National Heart, Lung, and Blood Institute (HL030568, HL095154, P01HL030568, R01HL095154, HL107794, R01HL107794)
Topics
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
Keywords
miR-33, atherosclerosis progression, LDL receptor-deficient mice, HDL cholesterol, high-fat high-cholesterol diet, microRNA silencing
MeSH terms
Animals, Aorta, Aortic Diseases, Cholesterol, Dietary, Disease Models, Animal, Cholesterol, HDL, Liver, Male, Receptors, LDL, Time Factors, Triglycerides, Biomarkers, Down-Regulation, Oligonucleotides, Antisense, Mice, Knockout, Disease Progression, MicroRNAs, Atherosclerosis, Mice

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