Xenografting Technique
Xenografting Technique - Related Videos
02:26
A Technique to Generate a Human PBMC-Engrafted Humanized Xenograft Mouse Model
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2025
This video demonstrates an assay to generate a humanized xenograft mouse model. An immunocompromised mouse is injected with cyclophosphamide to cause immune cell depletion. Patient-derived tumor cells mixed with human peripheral blood mononuclear cells (PBMCs) in a hydrogel are subcutaneously injected into the mouse, forming a tumor with infiltrating T cells.
03:16
Patient-derived Xenograft Modeling: A Technique to Generate Melanoma Mouse Models
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2023
In this video, human-derived melanoma cells are implanted subcutaneously into the flank region of an immunocompromised mouse. The PDX model allows preclinical investigation of melanoma cells that better recapitulate the tumor heterogeneity and melanoma aggressiveness observed in in vivo conditions.
04:12
Renal Capsule Tumor Xenografting: A Technique to Generate an Experimental Animal Model to Evaluate Prostate Carcinogenesis
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2023
In this video, we demonstrate the implantation of human-derived prostate cancer tissue grafts into the renal capsule of an immunocompromised recipient mouse. This technique can be used to assess tumor progression and develop novel therapeutic strategies.
03:32
Patient-derived Tumor Xenografting: A Technique to Generate Experimental Mouse Model for Evaluating Urothelial Cell Carcinoma
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2023
This video describes the procedure to generate an experimental xenograft murine model, which can be used for studying urothelial cell carcinoma progression.
10:35
Generation of Subcutaneous and Intrahepatic Human Hepatocellular Carcinoma Xenografts in Immunodeficient Mice
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Cited by 15 •
2013
Human tumor xenografts in immunodeficient mice are valuable tools to study cancer biology. Specific protocols to generate subcutaneous and intrahepatic xenografts from human hepatocellular carcinoma cells or tumor fragments are described. Liver regeneration induced by partial hepatectomy in recipient mice is presented as a strategy to facilitate intrahepatic engraftment.
FAQs
The central barrier is immune recognition of foreign antigens. When recipient immune cells detect these molecular markers as non-self, they can attack the implanted material and prevent successful engraftment, meaning establishment of the graft in the recipient. Xenograft outcomes therefore reflect both the properties of donor cells or tissues and the recipient’s immune state at transplantation.
Immunodeficient animals provide a recipient environment with reduced immune activity, lowering the chance that implanted material will be rejected. Researchers may also use immune-suppressing conditions to limit immune-cell attacks. These approaches help the graft remain in place long enough to study tissue behavior, disease development, therapeutic response, or host-graft interactions in a living organism.
Foreign antigens act as biological signals that distinguish donor material from the recipient’s own cells. Their recognition can activate immune cells against the graft, making compatibility a central experimental concern. Studying this response allows biology researchers to examine how tissues from different species interact with host defenses and why immune control is important for engraftment.
When human tumor material is implanted into a suitable recipient, the resulting model can preserve features of the original tumor within a living organism. This creates an opportunity to examine tumor growth under biological conditions rather than only in isolated preparations. Such models support investigations of disease behavior and responses to potential therapies.
Researchers can assess tumor growth, therapeutic response, tissue function, and interactions between the host and the graft. These outcomes connect the implanted material with the recipient’s living biology, providing information about how disease or tissue behavior changes in an organism. The resulting observations can contribute to preclinical evaluation before further research or treatment development.
The technique is useful when researchers need to study human tumors or other tissues in a living biological system. It provides a preclinical model for examining growth, function, host responses, and treatment effects. Its value comes from combining experimentally accessible graft material with an organism that can reveal responses not captured by studying the material alone.
Xenografting raises scientific concerns about immune rejection, because graft survival may depend on immunodeficient animals or immune-suppressing conditions. It also raises ethical challenges associated with cross-species transplantation and the use of living organisms in research. These issues should be considered alongside the technique’s potential to clarify disease mechanisms, tissue function, and therapeutic responses.