Zebrafish Tumor Model
Zebrafish Tumor Model - Related Videos
10:23
Screening for Melanoma Modifiers using a Zebrafish Autochthonous Tumor Model
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Cited by 32 •
2012
A rapid way to screen for melanoma modifiers using a zebrafish autochthonous tumor model is presented. It takes advantage of the miniCoopR vector which allows for expression of candidate melanoma genes in melanocytes. A method to obtain melanoma-free survival curves, an invasion assay, a protocol for antibody staining of scale melanocytes and a melanoma transplantation assay are described.
04:07
miniCoopR Vector-based Transgenesis: A Technique to Screen Melanoma-inducing Genes in Zebrafish Tumor Model
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2023
This video describes a method to screen for the melanoma modifying genes using a transgenic zebrafish tumor model. When injected with a melanoma-inducing miniCoopR vector, the zebrafish develops melanomas and can therefore be used to study the genetic factors affecting tumor development in zebrafish.
04:17
Long-term Orthotopic Transplantation of Tumor Cells into Zebrafish Embryos: An Efficient Method to Deliver Tumor Cells into the Fourth Ventricle of Zebrafish Embryos for Long-term Analysis of Tumor Cell Behavior
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2025
This video demonstrates the orthotopic transplantation of zebrafish brain tumor cells into the fourth ventricle of an immunocompetent zebrafish embryo. This procedure allows for the long-term study of tumor cell invasion and behavior.
04:31
Side Population Assay: A Method to Isolate Side Population of Tumor Cells from Zebrafish
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2023
The following protocol describes a method for isolating the side population of T-cell Acute Lymphoblastic Leukemia (T-ALL) tumor cells, consisting of stem cells, from an adult Zebrafish. The side population lacks prominent cell markers and hence we use Hoechst 33342 dye efflux assay to isolate them.
09:43
Transplantation of Zebrafish Pediatric Brain Tumors into Immune-competent Hosts for Long-term Study of Tumor Cell Behavior and Drug Response
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Cited by 22 •
2017
The transplantation of cancer cells is an important tool for the identification of cancer mechanisms and therapeutic responses. Current techniques depend on immune-incompetent animals. Here, we describe a method to transplant zebrafish tumor cells into immune-competent embryos for the long-term analysis of tumor cell behavior and in vivo drug responses.
FAQs
These approaches answer different experimental questions. Genetic alterations allow investigators to examine tumor development within a zebrafish’s own biological context, whereas implanted human or zebrafish tumor cells support direct testing of tumor behavior and treatment sensitivity in a living host. Selecting between them depends on whether the study prioritizes disease initiation or comparative analysis of established tumor cells.
Optical transparency permits real-time imaging in living embryos, allowing investigators to follow tumor growth and observe processes such as invasion and angiogenesis without relying only on an endpoint measurement. This temporal view can connect changes in tumor behavior with treatment exposure, making it useful for evaluating dynamic responses in vivo and comparing outcomes among experimental groups.
A zebrafish tumor model can reveal growth, invasion, angiogenesis, and drug response. Together, these readouts capture both tumor behavior and interactions with the host environment. Examining several outcomes rather than growth alone helps distinguish a treatment that merely limits expansion from one that also affects invasion, blood-vessel formation, or overall treatment sensitivity.
Conserved signaling pathways create biological connections between zebrafish and human cancer, so observations in the model can inform questions about human disease. This does not make the species identical: species-specific limitations may alter how findings translate. Consequently, pathway-based results are most useful as experimental evidence that complements, rather than replaces, other disease models.
A study generally begins by generating tumors through genetic alteration or introducing tumor cells, followed by monitoring living animals for growth, invasion, angiogenesis, and treatment response. Researchers can then compare tumor behavior or drug sensitivity across experimental conditions. The model’s rapid and scalable character supports studies that examine multiple conditions within a practical research workflow.
It is particularly useful when investigators need a relatively rapid, scalable in vivo platform to screen candidate therapies or compare treatment sensitivity. Because responses can be assessed in living animals, the approach adds host-level context to treatment studies. It can therefore help prioritize questions or treatments for further testing in complementary models.
Results require cautious interpretation because zebrafish are not human and species-specific limitations can affect relevance to human disease. A promising growth pattern or drug response should therefore be checked in complementary models before strong conclusions about human disease behavior are drawn. This validation helps distinguish broadly informative findings from those dependent on zebrafish biology.