In Vivo Xenograft
In Vivo Xenograft - Related Videos
03:10
In Vivo Fluorescence Imaging to Localize Antibodies in a Mouse Tumor Xenograft Model
0 Views •
2025
The video demonstrates a fluorescence imaging method for in vivo antibody localization in a mouse tumor xenograft model. It involves the injection of tumor cells in a mouse to generate solid xenografts beneath the skin. Subsequent injection of fluorescent antibodies confirms specific localization through enhanced fluorescence signals within the tumor xenograft.
08:09
Validation of Nanobody and Antibody Based In Vivo Tumor Xenograft NIRF-imaging Experiments in Mice Using Ex Vivo Flow Cytometry and Microscopy
0 Views •
Cited by 24 •
2015
This protocol outlines the steps required to perform ex vivo validation of in vivo near-infrared fluorescence xenograft imaging experiments in mice using fluorophore labelled nanobodies and conventional antibodies.
07:10
Depletion of Mouse Cells from Human Tumor Xenografts Significantly Improves Downstream Analysis of Target Cells
0 Views •
Cited by 9 •
2016
Human tumor xenografts are vascularized and infiltrated by cells of mouse origin during the growth phase in vivo. To circumvent the bias caused by these contaminating cells during downstream analysis, we developed a method allowing for comprehensive depletion of all mouse cells by magnetic cell sorting.
10:52
Stereotactic Intracranial Implantation and In vivo Bioluminescent Imaging of Tumor Xenografts in a Mouse Model System of Glioblastoma Multiforme
0 Views •
Cited by 42 •
2012
We describe an integrated method for the precise, stereotactic implantation of human glioblastoma multiforme cells into the brains of nude mice and subsequent serial in vivo imaging to monitor growth and response to treatment of the resultant xenografts.
07:52
Fluorescence Molecular Tomography for In Vivo Imaging of Glioblastoma Xenografts
0 Views •
Cited by 5 •
2018
Orthotopic intracranial injection of tumor cells has been used in cancer research to study brain tumor biology, progression, evolution, and therapeutic response. Here we present fluorescence molecular tomography of tumor xenografts, which provides real-time intravital imaging and quantification of a tumor mass in preclinical glioblastoma models.
FAQs
After implantation, tumor cells or tissue must successfully engraft before they can proliferate into a measurable mass. The resulting growth can be followed over time, allowing researchers to examine not only expansion but also invasion and treatment response. This progression provides information about tumor behavior in a living system rather than in an isolated cell culture.
Immunodeficient mice reduce immune rejection of implanted human cells or tissue, creating conditions in which the material can remain established and grow. This feature is essential when the experimental goal is to evaluate human tumor behavior in vivo. Because immune activity is reduced, findings must also be interpreted in light of the model's biological limitations.
A xenograft places tumor material in a whole-body context, where researchers can monitor tumor growth, invasion, treatment response, and biomarker activity over time. Cell culture can support controlled observation of tumor cells, but it does not provide the same living-organism setting. Comparing both systems can therefore expose biological or therapeutic differences between simplified and in vivo conditions.
Researchers can compare xenografts established from different human tumor cells or tissues, including patient-derived material, by monitoring their growth and responses under the same general model conditions. Such comparisons may reveal differences in tumor behavior or treatment sensitivity. Patient-derived tumors are particularly useful for examining variation among tumors that may be obscured by more uniform laboratory cell systems.
A typical workflow begins with selecting human tumor cells or tissue, implanting the material into an immunodeficient mouse, and allowing time for engraftment and proliferation. Researchers then monitor tumor development over time and assess outcomes such as growth, invasion, biomarker activity, or treatment response. The procedure links the implanted material to measurable changes in a living model.
Xenografts are used when investigators need to evaluate candidate treatments against growing human tumor material in an animal model. They support preclinical drug testing by allowing treatment response to be monitored alongside tumor growth and invasion. Researchers can also compare responses across different tumor sources, helping identify biological or therapeutic differences before further study.
Results should be considered as evidence of tumor behavior and treatment response within the selected animal model, not as a complete representation of every human cancer. Xenografts can reveal patterns that cell culture misses, yet the overview also notes biological and therapeutic differences between model systems and human disease. Comparisons among tumor sources and measured outcomes therefore remain important.