What does this research mean for the field?

Perforin-dependent cytotoxicity is a crucial mechanism for in vivo resistance to injected tumor cells and operates during viral and chemical carcinogenesis, whereas Fas-dependent cytotoxicity plays only a minor role in tumor surveillance. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This research investigates the role of perforin and Fas ligand in tumor surveillance mechanisms in mice.

November 1, 1996The Journal of Experimental MedicineOpen Access

Decreased tumor surveillance in perforin-deficient mice.

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Authors

MBMaries van den BroekUniversity of Zurich DKDavid KägiOntario Institute for Cancer Research FOFerry OssendorpLeiden University Medical Center

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Implication

Randomized trial reveals reduced tumor control in perforin-deficient mice, indicating its critical role in immune defense.

Key Points

This research investigates the role of perforin and Fas ligand in tumor surveillance mechanisms in mice.
Used perforin-deficient C57BL/6 (PKO) mice and control mice in vivo.
Induced tumors using syngeneic tumor cell lines, chemical carcinogens, and oncogenic viruses.
Analyzed tumor response in unprimed and primed mice for varying tumor types.
C57BL/6 mice eliminated tumor cell lines significantly better than PKO mice, especially after priming.
MCA-induced tumors developed faster and more frequently in PKO mice compared to C57BL/6 or CD8-deficient mice.
Fas-transfected lymphoma cells had improved control in both mouse types, suggesting a potential minor role for Fas in tumor control.

Cite This Study

Broek et al. (1996) studied this question.

synapsesocial.com/papers/6a0cbd11ed9ffa0cbfaddc70 https://doi.org/10.1084/jem.184.5.1781

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Decreased tumor surveillance in perforin-deficient mice.

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Member takes

Implication

Key Points

Cite This Study

Decreased tumor surveillance in perforin-deficient mice.

Discussion

Member takes

Implication

Key Points

Cite This Study

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