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https://doi.org/10.3390/cancers13205148
Title: | Inducible liver cancer models in transgenic zebrafish to investigate cancer biology | Authors: | Lee, Ai Qi Li, Yan Gong, Zhiyuan |
Keywords: | Cancer cachexia Chemical screen Hepatocellular carcinoma (HCC), transgenic Liver cancer Metastasis Sex disparity Toxicology Tumour regres-sion Zebrafish |
Issue Date: | 14-Oct-2021 | Publisher: | MDPI | Citation: | Lee, Ai Qi, Li, Yan, Gong, Zhiyuan (2021-10-14). Inducible liver cancer models in transgenic zebrafish to investigate cancer biology. Cancers 13 (20) : 5148. ScholarBank@NUS Repository. https://doi.org/10.3390/cancers13205148 | Rights: | Attribution 4.0 International | Abstract: | Primary liver cancer is one of the most prevalent and deadly cancers, which incidence continues to increase while treatment response remains poor; thus, in-depth understanding of tu-mour events is necessary to develop more effective therapies. Animal models for liver cancer are powerful tools to reach this goal. Over the past decade, our laboratory has established multiple oncogene transgenic zebrafish lines that can be robustly induced to develop liver cancer. Histolog-ical, transcriptomic and molecular analyses validate the use of these transgenic zebrafish as experimental models for liver cancer. In this review, we provide a comprehensive summary of our findings with these inducible zebrafish liver cancer models in tumour initiation, oncogene addiction, tumour microenvironment, gender disparity, cancer cachexia, drug screening and others. Induced oncogene expression causes a rapid change of the tumour microenvironment such as inflammatory responses, increased vascularisation and rapid hepatic growth. In several models, histologically-proven carcinoma can be induced within one week of chemical inducer administration. Interest-ingly, the induced liver tumours show the ability to regress when the transgenic oncogene is sup-pressed by the withdrawal of the chemical inducer. Like human liver cancer, there is a strong bias of liver cancer severity in male zebrafish. After long-term tumour progression, liver cancer-bearing zebrafish also show symptoms of cancer cachexia such as muscle-wasting. In addition, the zebrafish models have been used to screen for anti-metastasis drugs as well as to evaluate environmental toxicants in carcinogenesis. These findings demonstrated that these inducible zebrafish liver cancer models provide rapid and convenient experimental tools for further investigation of fundamental cancer biology, with the potential for the discovery of new therapeutic approaches. © 2021 by the authors. Licensee MDPI, Basel, Switzerland. | Source Title: | Cancers | URI: | https://scholarbank.nus.edu.sg/handle/10635/233120 | ISSN: | 2072-6694 | DOI: | 10.3390/cancers13205148 | Rights: | Attribution 4.0 International |
Appears in Collections: | Staff Publications Elements |
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