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NK cells and T cells cooperate during the clinical course of colorectal cancer

Sconocchia, Giuseppe and Eppenberger-Castori, Serenella and Spagnoli, Giulio C. and Tornillo, Luigi and Droeser, Raoul A. and Caratelli, Sara and Ferrelli, Francesca and Coppola, Andrea and Arriga, Roberto and Lauro, Davide and Iezzi, Giandomenica and Terracciano, Luigi and Ferrone, Soldano. (2014) NK cells and T cells cooperate during the clinical course of colorectal cancer. Oncoimmunology, 3 (8). e952197.

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Official URL: https://edoc.unibas.ch/61938/

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Abstract

Recent evidence suggests that natural killer (NK) cells are typically defective in infiltrating solid tumors, with the exception of gastrointestinal stromal tumors (GIST). Interestingly, however, infrequently infiltrating NK cells do not appear to have a direct effect on tumor progression. Here, prompted by the recent evidence that NK cell and T cell crosstalk may trigger, or enhance, tumor antigen-specific immune responses, we have tested the clinical significance of this reciprocal signaling. To this end, a tissue microarray constructed with 1410 colorectal carcinoma (CRC) patient specimens was stained with NK and T cell antigen-specific monoclonal antibodies, utilizing the immunoperoxidase staining technique. Cut-off scores for positive (<4 NK cells) and negative ( 4 in only 132 (9%) of CRC samples. Correlation of the immunohistochemical staining results together with analysis of the clinical course of the disease revealed that the infiltration of colorectal tumors with both NK cells and CD8+ T cells is associated with prolonged patient survival. In contrast, infiltration of tumors with NK cells in combination with CD3+ and CD4+ T lymphocytes had no detectable effect on the clinical course of the disease. These results suggest that NK cell and CD8+ T cell crosstalk in the tumor microenvironment may benefit patient outcome and further, that the enumeration of infiltrating NK and CD8+ T cells in CRC tumors may provide useful prognostic information.
Faculties and Departments:03 Faculty of Medicine > Departement Biomedizin > Department of Biomedicine, University Hospital Basel > Cancer Immunotherapy (Iezzi)
UniBasel Contributors:Iezzi, Giandomenica
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Taylor & Francis
ISSN:2162-4011
e-ISSN:2162-402X
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:27 Jul 2020 14:29
Deposited On:27 Jul 2020 14:29

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