Evidence map›Paper›PMID 27426513›Full record

ArticleCurrent biology : CB2016

Systems Analysis of the Dynamic Inflammatory Response to Tissue Damage Reveals Spatiotemporal Properties of the Wound Attractant Gradient.

Helen Weavers, Juliane Liepe, Aaron Sim, Will Wood, Paul Martin, Michael P H Stumpf

Abstract read
In one paragraph

Article in Current biology : CB, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

39 citing papers in PubMed.

  1. Article
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  8. Cellular and molecular mechanisms of skin wound healing.Nature reviews. Molecular cell biology · 2024
    Review
  9. Rapid Preparation of Living Drosophila Pupal Macrophages for Ex Vivo Imaging.Methods in molecular biology (Clifton, N.J.) · 2024
    Article
  10. Article
  11. Review
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  17. Learning the dynamics of cell-cell interactions in confined cell migration.Proceedings of the National Academy of Sciences of the United States of America · 2021
    Article
  18. Review
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors.

Helen WeaversDepartment of Biochemistry, School of Medical Sciences, University of Bristol, Bristol BS8 1TD, UK; School of Cellular and Molecular Medicine, Medical Sciences, University of Bristol, Bristol BS8 1TD, UK.
Juliane LiepeTheoretical Systems Biology, Division of Molecular Biosciences, Imperial College London, London SW7 2AZ, UK.
Aaron SimTheoretical Systems Biology, Division of Molecular Biosciences, Imperial College London, London SW7 2AZ, UK.
Will WoodSchool of Cellular and Molecular Medicine, Medical Sciences, University of Bristol, Bristol BS8 1TD, UK.
Paul MartinDepartment of Biochemistry, School of Medical Sciences, University of Bristol, Bristol BS8 1TD, UK; Department of Physiology, Pharmacology and Neuroscience, Faculty of Biomedical Sciences, University of Bristol, Bristol BS8 1TD, UK; School of Medicine, Cardiff University, Cardiff CF14 4XN, UK; Lee Kong Chian School of Medicine, Nanyang Technologicial University, Singapore 636921, Singapore. Electronic address: paul.martin@bristol.ac.uk.
Michael P H StumpfTheoretical Systems Biology, Division of Molecular Biosciences, Imperial College London, London SW7 2AZ, UK. Electronic address: m.stumpf@imperial.ac.uk.

Funding

Biotechnology and Biological Sciences Research Council BB/K018027/1Medical Research Council MR/J002577/1National Centre for the Replacement, Refinement and Reduction of Animals in Research NC/K001949/1Wellcome Trust
6 · The paper itself

Abstract

In the acute inflammatory phase following tissue damage, cells of the innate immune system are rapidly recruited to sites of injury by pro-inflammatory mediators released at the wound site. Although advances in live imaging allow us to directly visualize this process in vivo, the precise identity and properties of the primary immune damage attractants remain unclear, as it is currently impossible to directly observe and accurately measure these signals in tissues. Here, we demonstrate that detailed information about the attractant signals can be extracted directly from the in vivo behavior of the responding immune cells. By applying inference-based computational approaches to analyze the in vivo dynamics of the Drosophila inflammatory response, we gain new detailed insight into the spatiotemporal properties of the attractant gradient. In particular, we show that the wound attractant is released by wound margin cells, rather than by the wounded tissue per se, and that it diffuses away from this source at rates far slower than those of previously implicated signals such as H2O2 and ATP, ruling out these fast mediators as the primary chemoattractant. We then predict, and experimentally test, how competing attractant signals might interact in space and time to regulate multi-step cell navigation in the complex environment of a healing wound, revealing a period of receptor desensitization after initial exposure to the damage attractant. Extending our analysis to model much larger wounds, we uncover a dynamic behavioral change in the responding immune cells in vivo that is prognostic of whether a wound will subsequently heal or not. VIDEO ABSTRACT.

Indexed as

Immunity, InnateAnimalsChemotactic FactorsDrosophilaSystems AnalysisChemotactic Factors

Identifiers

PMID27426513
PMCPMC4985561

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.