Tumor Establishment
Tumor Establishment - Related Videos
02:46
Establishing a Brain Tumor in an Organotypic Slice Co-culture Model
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2025
This video demonstrates the development of a 3D co-culture system. Mouse brain slices are placed on a membrane, and fluorescently labeled human brain tumor cells are allowed to grow on it. Once the system is ready, it is stained for imaging.
11:09
Establishing Intracranial Brain Tumor Xenografts With Subsequent Analysis of Tumor Growth and Response to Therapy using Bioluminescence Imaging
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Cited by 104 •
2010
Luciferase-modified human brain tumor xenografts can be established intracranially in athymic mice, with subsequent monitoring of tumor growth and response to therapy using bioluminescence imaging. In combination with survival analysis, bioluminescence monitoring is an essential research tool for pre-clinical testing of therapies being considered for treating brain tumors.
07:55
Establishment and Propagation of Human Retinoblastoma Tumors in Immune Deficient Mice
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Cited by 8 •
2011
A method is described to propagate human retinoblastoma tumors in mice. Tumor cells are directly injected into the eyes of immune deficient mice. Secondary tumors have been successfully established using both cells directly harvested from human tumors and cultured tumorspheres.
08:42
Establishment of a Co-culture System of Patient-Derived Colorectal Tumor Organoids and Tumor-Infiltrating Lymphocytes (TILs)
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Cited by 1 •
2025
The protocol describes a method for creating a patient-derived colorectal cancer (CRC) organoid model co-cultured with tumor-infiltrating lymphocytes (TILs) to study their interactions and therapeutic potential. This model provides a preclinical platform to explore immune responses in the tumor microenvironment and to predict the efficacy of TIL-based therapy for personalized CRC treatment.
07:44
Establishment of Orthotopic Patient-derived Xenograft Models for Brain Tumors using a Stereotaxic Device
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2025
The development of orthotopic pediatric brain tumor models requires meticulous precision, using a stereotaxic device to implant cancer cells precisely. The methodology presented here outlines the steps involved in preparing brain tumor cells, performing intracranial injections, and implementing a post-operative monitoring system to assess brain tumor engraftment.
FAQs
They disrupt normal growth control, allowing transformed cells to persist and expand when healthy regulatory mechanisms would otherwise limit abnormal proliferation. Genetic changes alter cellular instructions, whereas epigenetic changes modify how those instructions are regulated without necessarily changing the underlying sequence. Examining both types of alteration helps researchers identify events that enable cancer initiation and sustained tumor growth.
The extracellular matrix provides a surrounding structural environment that can influence how transformed cells remain within tissue and organize into a persistent mass. Its interactions with tumor cells are part of the local conditions that support survival and growth. Studying this relationship helps clarify how cancer cells adapt to their surroundings rather than functioning independently of the tissue.
Blood vessels and immune cells contribute to the tissue environment in which abnormal cells either fail to persist or continue developing. Blood-vessel interactions help tumor cells secure nutrients, while interactions with immune cells can support evasion of elimination. These relationships are important because tumor establishment depends not only on altered cells, but also on their ability to engage surrounding biological systems.
Tumor establishment focuses on the early transition from isolated abnormal cells to an organized, persistent tumor mass. Later cancer progression can involve additional changes and behaviors, including spread to other sites. Keeping these stages distinct allows researchers to investigate which mechanisms enable initial persistence and which processes are associated with subsequent development, metastasis, or treatment response.
Experimental models provide systems for investigating how transformed cells initiate tumors, survive within tissue, and interact with the extracellular matrix, blood vessels, and immune cells. They can also be used to study adaptation to the microenvironment. These models connect cellular alterations with observable tumor formation, helping researchers evaluate mechanisms relevant to cancer initiation and early growth.
Models of tumor establishment help researchers examine the conditions that allow abnormal cells to persist and form an organized primary tumor before considering spread to other locations. Comparing establishment with metastatic behavior can reveal which cellular or microenvironmental features are shared and which are distinct. This supports more precise investigation of how cancers initiate, adapt, and progress.
Early tumor formation reveals cellular alterations and microenvironmental interactions associated with persistence, nutrient acquisition, and avoidance of elimination. Researchers can use these observable features to investigate candidate biomarkers linked to cancer initiation or established growth. Such studies may help distinguish biologically important changes from alterations that do not contribute meaningfully to tumor development.
Because tumor cells depend on interactions with their surrounding tissue, therapeutic research can examine strategies that prevent tumor growth by disrupting supportive conditions rather than focusing only on the transformed cells. The relevant niche includes the extracellular matrix, blood vessels, and immune cells. Understanding these relationships may guide approaches designed to interfere with the support system required for persistent tumors.