Cited by 136MicroRNA in disease regulationImmune Response and InflammationImmunotherapy and Immune Responses

MicroRNA Expression Profiles of Human Blood Monocyte-derived Dendritic Cells and Macrophages Reveal miR-511 as Putative Positive Regulator of Toll-like Receptor 4

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Tserel, Liina, Runnel, Toomas, Kisand, Kai, Pihlap, Maire, Bakhoff, Lairi, Kolde, Raivo, Peterson, Hedi, Vilo, Jaak +2 more·2011·Journal of Biological Chemistry

Abstract

Dendritic cells (DCs) and macrophages (MFs) are important multifunctional immune cells. Like other cell types, they express hundreds of different microRNAs (miRNAs) that are recently discovered post-transcriptional regulators of gene expression. Here we present updated miRNA expression profiles of monocytes, DCs and MFs. Compared with monocytes, ∼50 miRNAs were found to be differentially expressed in immature and mature DCs or MFs, with major expression changes occurring during the differentiation. Knockdown of DICER1, a protein needed for miRNA biosynthesis, led to lower DC-specific intercellular adhesion molecule-3-grabbing non-integrin (DC-SIGN) and enhanced CD14 protein levels, confirming the importance of miRNAs in DC differentiation in general. Inhibition of the two most highly up-regulated miRNAs, miR-511 and miR-99b, also resulted in reduced DC-SIGN level. Prediction of miRNA-511 targets revealed a number of genes with known immune functions, of which TLR4 and CD80 were validated using inhibition of miR-511 in DCs and luciferase assays in HEK293 cells. Interestingly, under the cell cycle arrest conditions, miR-511 seems to function as a positive regulator of TLR4. In conclusion, we have identified miR-511 as a novel potent modulator of human immune response. In addition, our data highlight that miRNA influence on gene expression is dependent on the cellular environment.

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Crossref · 10.1074/jbc.m110.213561

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  • miR-1, miR-99b, miR-139-5p, miR-212, miR-218, and miR-511 are overexpressed in macrophages and involved in the TLR signaling pathway.

    “Tserel et al. identified miR-1, miR-99b, miR-139-5p, miR-212, miR-218, and miR-511 as overexpressed in macrophages and involved in the toll-like receptor signaling pathway”

    From MicroRNAs as Regulators of Phagocytosis (2022) · cites this paper as [135]

    The 'Updated miRNA profile of human DCs and MFs' section reports that miR-99b, miR-212 and miR-511 were highly up-regulated in both dendritic cells and macrophages relative to monocytes, while miR-139-5p, miR-1 and miR-218 had higher expression in macrophages. Table 1 (FOOTNOTES; page unavailable) identifies predicted Toll-like receptor signaling targets for miR-511, and the Discussion examines its possible effect on TLR4. The paper does not establish that all six miRNAs are involved in that pathway. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • miR-511 binds the 3′UTR of TLR4 and upregulates TLR4 in dendritic cells.

    “They also confirmed binding of miR-511 with 3′UTR of TLR4, however, resulting in upregulation of TLR4 in dendritic cells [135].”

    From MicroRNAs as Regulators of Phagocytosis (2022) · cites this paper as [135]

    The results section (page unavailable) reports that TLR4 protein was about twice as high in control-treated differentiating dendritic cells as in cells treated with a miR-511 inhibitor, supporting positive regulation. It identifies predicted miR-511 sites in the TLR4 3′UTR and tests those fragments in luciferase reporters, but does not confirm direct binding. The paper describes miR-511 as a putative regulator, so the citing sentence overstates that part of the evidence. (LLM, conf=0.86)

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Authors
Tserel, L., Runnel, T., Kisand, K., Pihlap, M., Bakhoff, L., Kolde, R., Peterson, H., Vilo, J., Peterson, P., & Rebane, A.
Affiliations
University of Tartu (EE)
Corresponding author
Rebane, Ana
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2011-07
Volume
286
Issue
30
Pages
26487-26495
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2027996995
Cited by
136
References
51
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2023: 5 · 2022: 3 · 2021: 5 · 2020: 13 · 2019: 9 · 2018: 5 · 2017: 10 · 2016: 12 · 2015: 11 · 2014: 20 · 2013: 16 · 2012: 20
FWCI
6.20
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion, other-oa)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion, other-oa)
  • Zurich Open Repository and Archive (University of Zurich)
Funders
  • Sihtasutus Archimedes
  • Eesti Teadusfondi
  • Hariduse Infotehnoloogia Sihtasutus
  • Tartu Ülikool
  • European Regional Development Fund
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
Keywords
microRNA expression profiles, dendritic cells, macrophages, monocytes, miR-99b, TLR4, DC-SIGN, CD14, CD80, DICER1, dendritic cell differentiation, cell cycle arrest, post-transcriptional regulation, immune response
MeSH terms
DC-Specific ICAM-3 Grabbing Nonintegrin, Cell Differentiation, Dendritic Cells, Gene Expression Regulation, Humans, Macrophages, Monocytes, Receptors, Cell Surface, Cell Adhesion Molecules, B7-1 Antigen, Lipopolysaccharide Receptors, Gene Expression Profiling, MicroRNAs, Lectins, C-Type, Ribonuclease III, Toll-Like Receptor 4, DEAD-box RNA Helicases, Gene Knockdown Techniques, HEK293 Cells

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