Encyclopedia of Experiments: Immunology
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Transcript
Take an immunocompromised mouse possessing only neutrophils and monocytes as functional immune cells.
Intraperitoneally inject cyclophosphamide, a drug that targets immune progenitor cells.
The drug enters actively proliferating immune progenitor cells and crosslinks nucleic acids, causing cell death. The death of progenitor cells leads to immune cell depletion.
Orally administer disulfiram, a drug that forms an adduct with cyclophosphamide, reducing cyclophosphamide-induced side effects.
Subcutaneously inject a mixture of human tumor cells and peripheral blood mononuclear cells, or PBMCs, in a suitable gelatinous protein mixture.
The protein mixture forms a gel, mimicking the physiological extracellular matrix, and entraps the tumor cells.
Functional immune cell depletion allows the tumor cells to proliferate and form new blood vessels, transforming into a solid tumor xenograft.
Simultaneously, T cells from the injected PBMCs infiltrate the tumor.
The tumor xenograft exhibits growth and tumor-infiltrating T cells, establishing a humanized xenograft mouse model.
