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Recombinant Wnt3a and Wnt5a elicit macrophage cytokine production and tolerization to microbial stimulation via Toll‐like receptor 4

Overview of attention for article published in European Journal of Immunology, March 2014
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Title
Recombinant Wnt3a and Wnt5a elicit macrophage cytokine production and tolerization to microbial stimulation via Toll‐like receptor 4
Published in
European Journal of Immunology, March 2014
DOI 10.1002/eji.201343959
Pubmed ID
Authors

Chien‐Hsiung Yu, Tam T. K. Nguyen, Katharine M. Irvine, Matthew J. Sweet, Ian H. Frazer, Antje Blumenthal

Abstract

An increasing number of studies address the roles of Wnt proteins in shaping leukocyte functions. Recombinant Wnt3a and Wnt5a, prototypical activators of β-Catenin-dependent and -independent Wnt signaling, respectively, are widely used to investigate the effects of Wnt proteins on myeloid cell functions. Recent reports describe both proinflammatory and immunemodulatory effects of Wnt3a and Wnt5a on macrophages, DCs, and microglia. The underlying molecular mechanisms for this divergence are unclear. We show here that recombinant Wnt3a- and Wnt5a-induced cytokine production from murine C57BL/6 macrophages was dependent on TLR4 and inhibited by Polymyxin B. Similarly, impairment of TLR-induced cytokine production upon preexposure to Wnt proteins was TLR4 dependent. The extent of Wnt3a- and Wnt5a-induced inflammatory gene expression greatly varied between Wnt protein lots. We conclude that cytokine responses and TLR tolerization induced by recombinant Wnt proteins are likely explained by contaminating TLR4 agonists, although we cannot fully exclude that Wnt proteins have an intrinsic capacity to signal via TLR4. This study emphasizes the need for careful, independent verification of Wnt-mediated cellular responses.

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The data shown below were collected from the profile of 1 X user who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 43 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 43 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 14 33%
Researcher 8 19%
Student > Doctoral Student 4 9%
Professor 3 7%
Student > Master 3 7%
Other 3 7%
Unknown 8 19%
Readers by discipline Count As %
Agricultural and Biological Sciences 10 23%
Medicine and Dentistry 9 21%
Biochemistry, Genetics and Molecular Biology 5 12%
Immunology and Microbiology 4 9%
Chemistry 2 5%
Other 4 9%
Unknown 9 21%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 21 March 2014.
All research outputs
#16,711,078
of 24,577,646 outputs
Outputs from European Journal of Immunology
#5,842
of 6,814 outputs
Outputs of similar age
#136,051
of 226,286 outputs
Outputs of similar age from European Journal of Immunology
#21
of 42 outputs
Altmetric has tracked 24,577,646 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 6,814 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.2. This one is in the 8th percentile – i.e., 8% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 226,286 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 30th percentile – i.e., 30% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 42 others from the same source and published within six weeks on either side of this one. This one is in the 30th percentile – i.e., 30% of its contemporaries scored the same or lower than it.