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Autosomal-dominant polycystic kidney disease (ADPKD) is a common genetic disorder that frequently leads to renal failure. Mutations in polycystin-1 (PC1) underlie most cases of ADPKD, but the function of PC1 has remained poorly understood. No preventive treatment for this disease is available. Here, we show that the cytoplasmic tail of PC1 interacts with(More)
Multiple mechanisms have been proposed to account for immune escape by tumors. Although gangliosides have long been known to suppress T-cell immunity, few studies have examined the effect of human tumor-derived gangliosides on immune responses. Here, we show that gangliosides isolated from renal cell carcinoma (RCC) cell lines and clear cell tumor tissue(More)
T cells represent an important component in the development of an effective antitumor immune response. Although most solid tumors are infiltrated with T lymphocytes, including some clones capable of preferentially recognizing malignant cells, T-cell immunity fails to develop adequately in patients with tumors (1–4). Defects in proliferation and effector(More)
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