V gamma 9V delta 2 T cell response to colon carcinoma cells. 2005

Murielle Corvaisier, and Agnès Moreau-Aubry, and Elisabeth Diez, and Jaafar Bennouna, and Jean-Francois Mosnier, and Emmanuel Scotet, and Marc Bonneville, and Francine Jotereau
Institut National de la Santé et de la Recherche Médicale (INSERM), Unité 601, Nantes, France.

During analysis of CD8 T cells derived from ascites of a colon cancer patient, we isolated a Vgamma9Vdelta2 T cell clone showing strong reactivity against autologous tumor cell lines. This clone killed a large fraction of allogeneic colon carcinoma and melanoma cell lines, but did not affect a normal colon cell line, colon fibroblasts, or melanocytes. Tumor cell recognition was TCR and NKG2D dependent and induced TNF-alpha and IFN-gamma secretion by the clone; accordingly, tumor targets expressed several NKG2D ligands, such as MHC class I chain-related gene A and UL16-binding protein molecules. Colon tumor recognition by Vgamma9Vdelta2 T cells was highly dependent on isopentenyl pyrophosphate production and ICAM-1 expression by target cells. Finally, similar reactivity patterns against colon carcinoma cell lines were observed using polyclonal Vgamma9Vdelta2 T cells of various origins, and Vgamma9Vdelta2 lymphocytes were present in the majority of colon tumor samples studied. Together, these results suggest that Vgamma9Vdelta2 T cells contribute to the natural immune surveillance against colon cancers. Therefore, this study provides a strong rationale for the use of Vgamma9Vdelta2 T cell agonists in immunotherapies targeting colon tumors.

UI MeSH Term Description Entries
D011971 Receptors, Immunologic Cell surface molecules on cells of the immune system that specifically bind surface molecules or messenger molecules and trigger changes in the behavior of cells. Although these receptors were first identified in the immune system, many have important functions elsewhere. Immunologic Receptors,Immunologic Receptor,Immunological Receptors,Receptor, Immunologic,Receptors, Immunological
D002999 Clone Cells A group of genetically identical cells all descended from a single common ancestral cell by mitosis in eukaryotes or by binary fission in prokaryotes. Clone cells also include populations of recombinant DNA molecules all carrying the same inserted sequence. (From King & Stansfield, Dictionary of Genetics, 4th ed) Clones,Cell, Clone,Cells, Clone,Clone,Clone Cell
D003110 Colonic Neoplasms Tumors or cancer of the COLON. Cancer of Colon,Colon Adenocarcinoma,Colon Cancer,Cancer of the Colon,Colon Neoplasms,Colonic Cancer,Neoplasms, Colonic,Adenocarcinoma, Colon,Adenocarcinomas, Colon,Cancer, Colon,Cancer, Colonic,Cancers, Colon,Cancers, Colonic,Colon Adenocarcinomas,Colon Cancers,Colon Neoplasm,Colonic Cancers,Colonic Neoplasm,Neoplasm, Colon,Neoplasm, Colonic,Neoplasms, Colon
D003602 Cytotoxicity, Immunologic The phenomenon of target cell destruction by immunologically active effector cells. It may be brought about directly by sensitized T-lymphocytes or by lymphoid or myeloid "killer" cells, or it may be mediated by cytotoxic antibody, cytotoxic factor released by lymphoid cells, or complement. Tumoricidal Activity, Immunologic,Immunologic Cytotoxicity,Immunologic Tumoricidal Activities,Immunologic Tumoricidal Activity,Tumoricidal Activities, Immunologic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000941 Antigens Substances that are recognized by the immune system and induce an immune reaction. Antigen
D016176 T-Lymphocyte Subsets A classification of T-lymphocytes, especially into helper/inducer, suppressor/effector, and cytotoxic subsets, based on structurally or functionally different populations of cells. T-Cell Subset,T-Cell Subsets,T-Lymphocyte Subset,Subset, T-Cell,Subset, T-Lymphocyte,Subsets, T-Cell,Subsets, T-Lymphocyte,T Cell Subset,T Cell Subsets,T Lymphocyte Subset,T Lymphocyte Subsets
D016692 Receptors, Antigen, T-Cell, gamma-delta T-cell receptors composed of CD3-associated gamma and delta polypeptide chains and expressed primarily in CD4-/CD8- T-cells. The receptors appear to be preferentially located in epithelial sites and probably play a role in the recognition of bacterial antigens. The T-cell receptor gamma/delta chains are separate and not related to the gamma and delta chains which are subunits of CD3 (see ANTIGENS, CD3). Antigen Receptors, T-Cell, gamma-delta,T-Cell Receptors delta-Chain,T-Cell Receptors gamma-Chain,T-Cell Receptors, gamma-delta,TcR gamma-delta,Antigen T Cell Receptor, delta Chain,Antigen T Cell Receptor, gamma Chain,Receptors, Antigen, T Cell, gamma delta,T Cell Receptors, gamma delta,T-Cell Receptor delta-Chain,T-Cell Receptor gamma-Chain,T-Cell Receptor, gamma-delta,T Cell Receptor delta Chain,T Cell Receptor gamma Chain,T Cell Receptor, gamma delta,T Cell Receptors delta Chain,T Cell Receptors gamma Chain,TcR gamma delta,delta-Chain, T-Cell Receptor,delta-Chain, T-Cell Receptors,gamma-Chain, T-Cell Receptor,gamma-Chain, T-Cell Receptors,gamma-delta T-Cell Receptor,gamma-delta T-Cell Receptors,gamma-delta, TcR
D045325 HCT116 Cells Human COLORECTAL CARCINOMA cell line. HCT 116 Cells,HCT-116 Cells,Cell, HCT 116,Cell, HCT-116,Cell, HCT116,Cells, HCT 116,Cells, HCT-116,Cells, HCT116,HCT 116 Cell,HCT-116 Cell,HCT116 Cell
D045744 Cell Line, Tumor A cell line derived from cultured tumor cells. Tumor Cell Line,Cell Lines, Tumor,Line, Tumor Cell,Lines, Tumor Cell,Tumor Cell Lines

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