Article
Secreted gelsolin inhibits DNGR-1-dependent cross-presentation and cancer immunity.
Cell - 22 Jul 2021
Giampazolias Evangelos, Schulz Oliver, Lim Kok Haw Jonathan, Rogers Neil C, Chakravarty Probir, Srinivasan Naren, Gordon Oliver, Cardoso Ana, Buck Michael D, Poirier Enzo Z, Canton Johnathan, Zelenay Santiago, Sammicheli Stefano, Moncaut Natalia, Varsani-Brown Sunita, Rosewell Ian, Reis e Sousa Caetano
Abstract excerpt
Cross-presentation of antigens from dead tumor cells by type 1 conventional dendritic cells (cDC1s) is thought to underlie priming of anti-cancer CD8+ T cells. cDC1 express high levels of DNGR-1 (a.k.a. CLEC9A), a receptor that binds to F-actin exposed by dead cell debris and promotes cross-presentation of associated antigens. Here, we show that secreted gelsolin (sGSN), an extracellular protein, decreases DNGR-1...
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