Transcriptomics

Dataset Information

5

Transcription profiling of human T cell lines isolated from tumor infiltrating lymphocytes or peripheral blood lymphocytes of a patient with large cell carcinoma of the lung


ABSTRACT: The IGR-Heu tumor cell line was established from patient Heu suffering from large cell carcinoma of the lung. Heu171, Heu127 and Heu161 T cell clones were isolated from autologous tumor infiltrating lymphocytes. H32 T cell line and H32-22 clone were isolated from autologous PBL after stimulation with IGR-Heu and sorting with peptide-MHC tetramers. T cells were grown in the presence of irradiated autologous tumor and lymphoblastoid cell lines in complete media supplemented with rIL-2 and conditioned medium from phytohemagglutinin-activated lymphocytes for 3 weeks. Then, for microarray assays, RNA was extracted from the different cells.

ORGANISM(S): Homo sapiens  

SUBMITTER: Philippe Dessen  

PROVIDER: E-TABM-208 | ArrayExpress | 2007-03-02

REPOSITORIES: ArrayExpress

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Publications

Alpha E beta 7 integrin interaction with E-cadherin promotes antitumor CTL activity by triggering lytic granule polarization and exocytosis.

Le Floc'h Audrey A   Jalil Abdelali A   Vergnon Isabelle I   Le Maux Chansac Béatrice B   Lazar Vladimir V   Bismuth Georges G   Chouaib Salem S   Mami-Chouaib Fathia F  

The Journal of experimental medicine 20070226 3


Various T cell adhesion molecules and their cognate receptors on target cells promote T cell receptor (TCR)-mediated cell killing. In this report, we demonstrate that the interaction of epithelial cell marker E-cadherin with integrin alpha(E)(CD103)beta(7), often expressed by tumor-infiltrating lymphocytes (TILs), plays a major role in effective tumor cell lysis. Indeed, we found that although tumor-specific CD103(+) TIL-derived cytotoxic T lymphocyte (CTL) clones are able to kill E-cadherin(+)/  ...[more]

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