PD-1 Is Expressed by Tumor-Infiltrating Immune Cells and Is Associated with Poor Outcome for Patients with Renal Cell Carcinoma

R. Houston Thompson, Haidong Dong, Christine M. Lohse, Bradley C. Leibovich, Michael L. Blute, John C. Cheville, Eugene D. Kwon

Clinical Cancer Research · 2007 · 559 citations · 17 references

Abstract

Levels of immune cells expressing PD-1 were increased in patients with high-risk RCC tumors. Interactions between immune cell PD-1 and B7-H1 may promote cancer progression by contributing to immune dysfunction in patients with RCC.

References

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