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HIF-2α/ITPR1 axis: A new saboteur of NK-mediated lysis
Yosra Messai1, Muhammad Zaeem Noman1, Meriem Hasmim1
1INSERM U753; Gustave Roussy Cancer campus ; Villejuif, France.
Abstract:
We recently investigated the role of von Hippel-Lindau (VHL) mutation and the subsequent induction of hypoxia-inducible factor 2α (HIF-2α) in the regulation of renal cell carcinoma (RCC) susceptibility to natural killer (NK) cell-mediated killing. We demonstrated that the resistance of VHL-mutated RCC cell line 786-0 to NK-mediated lysis requires HIF-2α and ITPR1, a direct novel target of HIF-2α, through the activation of autophagy in target cells by NK-derived signals.
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