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Live imaging the foreign body response in zebrafish reveals how dampening inflammation reduces fibrosis

Research output: Contribution to journalArticle

Original languageEnglish
Number of pages12
JournalJournal of Cell Science
Early online date26 Aug 2019
DateAccepted/In press - 30 Jul 2019
DateE-pub ahead of print - 26 Aug 2019
DatePublished (current) - 26 Sep 2019


Implanting biomaterials in tissues leads to inflammation and a Foreign Body Response (FBR), which can result in rejection. Here we live image the FBR triggered by surgical suture implantation in a translucent zebrafish model and compare with an acute wound response. We observe inflammation extending from the suture margins, and correlating with subsequent avascular and fibrotic encapsulation zones: sutures that induce more inflammation result in increased zones of avascularity and fibrosis. Moreover, we capture macrophages as they fuse to become multinucleate foreign body giant cells (FBGCs) adjacent to the most pro-inflammatory sutures. Genetic and pharmacological dampening of the inflammatory response minimises the FBR (including FBGC generation) and normalises the status of the tissue surrounding these sutures. This model of FBR in adult zebrafish allows us to live image the process and to modulate it in ways that may lead us towards new strategies to ameliorate and circumvent FBR in humans.

    Research areas

  • Angiogenesis, Fibrosis, Foreign body, Inflammation, Wound, Zebrafish

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    Rights statement: This is the final published version of the article (version of record). It first appeared online via Company of Biologists at . Please refer to any applicable terms of use of the publisher.

    Final published version, 14.6 MB, PDF document

    Licence: CC BY


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