Primary human tumor cells expressing CD155 impair tumor targeting by down-regulating DNAM-1 on NK cells.

@article{Carlsten2009PrimaryHT,
  title={Primary human tumor cells expressing CD155 impair tumor targeting by down-regulating DNAM-1 on NK cells.},
  author={Mattias Carlsten and H{\aa}kan Norell and Yenan T Bryceson and Isabel Poschke and Kjell Schedvins and H. D. Ljunggren and Rolf Kiessling and K J Malmberg},
  journal={Journal of immunology},
  year={2009},
  volume={183 8},
  pages={4921-30}
}
The activating NK cell receptor DNAX accessory molecule-1 (DNAM-1) contributes to tumor immune surveillance and plays a crucial role in NK cell-mediated recognition of several types of human tumors, including ovarian carcinoma. Here, we have analyzed the receptor repertoire and functional integrity of NK cells in peritoneal effusions from patients with ovarian carcinoma. Relative to autologous peripheral blood NK cells, tumor-associated NK cells expressed reduced levels of the DNAM-1, 2B4, and… CONTINUE READING
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