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Embryonic zebrafish xenograft assay of human cancer metastasis

Hill, David, Chen, Lanpeng, Snaar-Jagalska, Ewe and Chaudhry, Bill (2018) Embryonic zebrafish xenograft assay of human cancer metastasis. F1000Research, 7. p. 1682. ISSN 2046-1402

Item Type: Article


Cancer metastasis is the most important prognostic factor determining patient survival, but currently there are very few drugs or therapies that specifically inhibit the invasion and metastasis of cancer cells. Currently, human cancer metastasis is largely studied using transgenic and immunocompromised mouse xenograft models, which are useful for analysing end-point tumour growth but are unable to accurately and reliably monitor in vivo invasion, intravasation, extravasation or secondary tumour formation of human cancer cells. Furthermore, limits in our ability to accurately monitor early stages of tumour growth and detect micro-metastases likely results in pain and suffering to the mice used for cancer xenograft experiments. Zebrafish (Danio rerio) embryos, however, offer many advantages as a model system for studying the complex, multi-step processes involved during cancer metastasis. This article describes a detailed method for the analysis of human cancer cell invasion and metastasis in zebrafish embryos before they reach protected status at 5 days post fertilisation. Results demonstrate that human cancer cells actively invade within a zebrafish microenvironment, and form metastatic tumours at secondary tissue sites, suggesting that the mechanisms involved during the different stages of metastasis are conserved between humans and zebrafish, supporting the use of zebrafish embryos as a viable model of human cancer metastasis. We suggest that the embryonic zebrafish xenograft model of human cancer is a tractable laboratory model that can be used to understand cancer biology, and as a direct replacement of mice for the analysis of drugs that target cancer invasion and metastasis.

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Depositing User: Leah Maughan


Item ID: 12768
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ISSN: 2046-1402
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ORCID for David Hill: ORCID iD

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Date Deposited: 06 Nov 2020 15:37
Last Modified: 06 Nov 2020 15:37


Author: David Hill ORCID iD
Author: Lanpeng Chen
Author: Ewe Snaar-Jagalska
Author: Bill Chaudhry

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Faculty of Health Sciences and Wellbeing > School of Nursing and Health Sciences

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