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Chemotaxing neutrophils enter alternate branches at capillary bifurcations

Author

Listed:
  • Xiao Wang

    (BioMEMS Resource Center, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Shriners Burns Hospital)

  • Mokarram Hossain

    (Department of Physiology and Biophysics, University of Calgary)

  • Ania Bogoslowski

    (Department of Physiology and Biophysics, University of Calgary)

  • Paul Kubes

    (Department of Physiology and Biophysics, University of Calgary)

  • Daniel Irimia

    (BioMEMS Resource Center, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Shriners Burns Hospital)

Abstract

Upon tissue injury or microbial invasion, a large number of neutrophils converge from blood to the sites of injury or infection in a short time. The migration through a limited number of paths through tissues and capillary networks seems efficient and ‘traffic jams’ are generally avoided. However, the mechanisms that guide efficient trafficking of large numbers of neutrophils through capillary networks are not well understood. Here we show that pairs of neutrophils arriving closely one after another at capillary bifurcations migrate to alternating branches in vivo and in vitro. Perturbation of chemoattractant gradients and the increased hydraulic resistance induced by the first neutrophil in one branch biases the migration of the following neutrophil towards the other branch. These mechanisms guide neutrophils to efficiently navigate through capillary networks and outline the effect of inter-neutrophil interactions during migration on overall lymphocyte trafficking patterns in confined environments.

Suggested Citation

  • Xiao Wang & Mokarram Hossain & Ania Bogoslowski & Paul Kubes & Daniel Irimia, 2020. "Chemotaxing neutrophils enter alternate branches at capillary bifurcations," Nature Communications, Nature, vol. 11(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-15476-6
    DOI: 10.1038/s41467-020-15476-6
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    Cited by:

    1. Christine Chiasson-MacKenzie & Jeremie Vitte & Ching-Hui Liu & Emily A. Wright & Elizabeth A. Flynn & Shannon L. Stott & Marco Giovannini & Andrea I. McClatchey, 2023. "Cellular mechanisms of heterogeneity in NF2-mutant schwannoma," Nature Communications, Nature, vol. 14(1), pages 1-17, December.

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