Zebrafish Brain Tumor
Zebrafish Brain Tumor - Related Videos
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.
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.
08:28
Zebrafish Brain Ventricle Injection
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Cited by 72 •
2009
After neural tube formation, the neuroepithelium constricts and folds while the tube fills with embryonic cerebrospinal fluid (eCSF) to form the embryonic brain ventricles. We developed this ventricle injection technique to better visualize the fluid filled space in contrast to the neuroepithelial shape in a live embryo.
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.
05:11
Brain Cell Isolation from Zebrafish Larvae: A Technique to Obtain Intact Neurons, Macrophages, and Microglia from Zebrafish Brain Tissue
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2023
This video describes a protocol to isolate neurons, macrophages, and microglia from larval zebrafish brains by mechanically disrupting the brain tissue. The purified cell populations can further be used for genomic analysis.
FAQs
Researchers can activate oncogenes, which promote tumor-associated growth, or alter tumor-suppressor pathways that normally restrain abnormal cell behavior. These different entry points connect specific genetic changes with tumor initiation and subsequent behavior in the nervous system. Comparing models generated through these mechanisms helps cancer researchers examine how genetic alterations contribute to brain tumor development.
Optically transparent zebrafish embryos allow investigators to observe tumor development in living animals rather than relying only on fixed tissue. Imaging can follow tumor initiation, angiogenesis, invasion, and responses to candidate therapies over time. This visibility links changes in tumor behavior with interactions between the neoplasm and the surrounding nervous-system tissue.
Transplanting fluorescent human tumor cells into the developing brain introduces a human tumor component while preserving the zebrafish setting for live observation. Fluorescence makes the implanted cells easier to track as they grow and interact with nearby tissue. This approach therefore complements genetically altered zebrafish models when researchers want to examine human tumor behavior in an accessible organism.
Tumor behavior is not limited to the altered or transplanted cancer cells themselves. Zebrafish models make it possible to visualize how growing tumors interact with surrounding tissue, including processes such as angiogenesis and invasion. Observing these relationships in living animals helps researchers connect tumor-cell changes with broader features of cancer progression and treatment response.
A model can begin by selecting a genetic or transplantation strategy, such as oncogene activation, tumor-suppressor pathway alteration, or placement of fluorescent human tumor cells into the developing brain. Researchers then monitor the resulting tumors in living zebrafish. The workflow links model generation with direct observation of growth, tissue interactions, invasion, angiogenesis, and therapy responses.
These experiments can provide observations of tumor initiation, growth, angiogenesis, invasion, and responses to candidate therapies. Because the animals are accessible for live imaging, researchers can examine these outcomes within developing organisms rather than treating tumor behavior as an isolated endpoint. The resulting observations help relate genetic mechanisms to visible patterns of tumor progression.
The models support cancer research by connecting altered genetic pathways with tumor behavior and by enabling efficient screening of candidate drugs or other therapies. Their small size, genetic tractability, and optical accessibility make them useful for examining treatment responses in living animals. Findings can then complement mammalian and patient-derived studies rather than replacing those systems.