Cited by 2,082MicroRNA in disease regulationCholesterol and Lipid MetabolismLipid metabolism and disorders

miR-122 regulation of lipid metabolism revealed by in vivo antisense targeting

Open access
Esau, Christine, Davis, Scott, Murray, Susan F., Yu, Xing Xian, Pandey, Sanjay K., Pear, Michael, Watts, Lynnetta, Booten, Sheri L. +9 more·2006·Cell Metabolism

Abstract

Current understanding of microRNA (miRNA) biology is limited, and antisense oligonucleotide (ASO) inhibition of miRNAs is a powerful technique for their functionalization. To uncover the role of the liver-specific miR-122 in the adult liver, we inhibited it in mice with a 2'-O-methoxyethyl phosphorothioate ASO. miR-122 inhibition in normal mice resulted in reduced plasma cholesterol levels, increased hepatic fatty-acid oxidation, and a decrease in hepatic fatty-acid and cholesterol synthesis rates. Activation of the central metabolic sensor AMPK was also increased. miR-122 inhibition in a diet-induced obesity mouse model resulted in decreased plasma cholesterol levels and a significant improvement in liver steatosis, accompanied by reductions in several lipogenic genes. These results implicate miR-122 as a key regulator of cholesterol and fatty-acid metabolism in the adult liver and suggest that miR-122 may be an attractive therapeutic target for metabolic disease.

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Crossref · 10.1016/j.cmet.2006.01.005

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  • Many miRNAs have evolved to regulate multiple components of certain pathways, thereby mediating more effective negative regulation on those pathways.

    “This finding is in agreement with limited data from other laboratories that suggests that many miRNAs have evolved to regulate multiple components of certain pathways, thus mediating a more effective negative regulation on those pathways (33).”
  • Inhibition of miR-122 reduces plasma cholesterol and hepatic steatosis, though the specific gene regulatory pathways involved are unclear.

    “Inhibition of miR-122 reduces plasma cholesterol and hepatic steatosis, though the specific gene regulatory pathways involved are unclear.”

    From The Vasculature in Prediabetes (2018) · cites this paper as [140]

  • The most abundant microRNA in the liver is miR-122.

    “The most abundant microRNA in the liver is miR-122.”

    From The Vasculature in Prediabetes (2018) · cites this paper as [140]

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Authors
Esau, C., Davis, S., Murray, S. F., Yu, X. X., Pandey, S. K., Pear, M., Watts, L., Booten, S. L., Graham, M., McKay, R., Subramaniam, A., Propp, S., Lollo, B. A., Freier, S., Bennett, C. F., Bhanot, S., & Monia, B. P.
Affiliations
Ionis Pharmaceuticals (United States) (US)
Corresponding author
Esau, Christine
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2006-02
Volume
3
Issue
2
Pages
87-98
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2139342290
Cited by
2,082
References
43
Citations by year
2026: 41 · 2025: 41 · 2024: 46 · 2023: 71 · 2022: 96 · 2021: 89 · 2020: 98 · 2019: 105 · 2018: 121 · 2017: 119 · 2016: 155 · 2015: 141 · 2014: 159 · 2013: 178 · 2012: 149
FWCI
29.39
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Funders
University of California, San Diego
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
Keywords
miR-122, microRNA regulation, lipid metabolism, serum cholesterol, hepatic fatty acid oxidation, cholesterol biosynthesis, fatty acid synthesis, AMPK, diet-induced obesity, hepatic steatosis, lipogenic genes, therapeutic target
MeSH terms
Animals, Blood Chemical Analysis, Cell Line, Cholesterol, Chromatography, High Pressure Liquid, Enzyme Activation, Fatty Acids, Gene Expression Regulation, Liver, Molecular Sequence Data, Multienzyme Complexes, Obesity, Blotting, Northern, Blotting, Western, Oligonucleotides, Antisense, Protein Serine-Threonine Kinases, DNA Primers, Reverse Transcriptase Polymerase Chain Reaction, MicroRNAs, Microarray Analysis, Lipid Metabolism, Mice, AMP-Activated Protein Kinases

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