Zebrafish xenotransplantation models for studying gene function and drug treatment in hepatocellular carcinoma
Journal of Gastrointestinal Cancer
1248 - 1265
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Introduction Zebrafish is a promising model organism for human disease including hepatocellular cancer (HCC). Recently, zebrafish has emerged also as a host for xenograft studies of liver cancer cell lines and patient derived tumors of HCC. Zebrafish embryos enable drug screening and gene function studies of xenografted cells via ease of microinjection and visualization of tumor growth and metastasis. Objectives In this review, we aimed to overview zebrafish HCC and liver cancer xenotransplantation studies focusing on ‘gene functional analysis’ and ‘drug/chemical screening’. Methods Herein, a comprehensive literature search was performed for liver and HCC xenografts in zebrafish on PubMed using different key words and filters for molecular modifications or drug exposure. Results Our literature search revealed around 250 studies which were filtered and summarized in a table (Table 1) revealing comprehensive collection of experimental and technical details on microinjection, injected cell lines, molecular modifications of injected cells, types and doses of drug treatments as well as biological assessments. Conclusion This review provides a platform for HCC and liver xenografts and highlights studies performed to understand gene functionality and drug efficacy in vivo in zebrafish.