Cited by 47T-cell and B-cell ImmunologyImmunotherapy and Immune ResponsesCancer Immunotherapy and Biomarkers

IL-12 reverses anergy to T cell receptor triggering in human lung tumor-associated memory T cells

Broderick, Lori, Brooks, Stephen P., Takita, Hiroshi, Baer, Alan N., Bernstein, Joel M., Bankert, Richard B.·2006·Clinical Immunology

Abstract

Memory T cells in human non-small cell lung cancer are unresponsive to progressing tumors. T cells were evaluated at the single cell level by imaging the nuclear translocation of NF-kappaB and NFAT via immunofluorescence confocal microscopy as an early measure of responsiveness to T cell receptor triggering. Little translocation of NF-kappaB or NFAT occurred in tumor-associated T cells in response to CD3+CD28 cross-linking under conditions which led to maximal translocation in normal donor peripheral blood T cells. TNF-alpha induced maximal NF-kappaB translocation in these T cells, indicating that they remain receptive to alternative signaling pathways, and pulsing with IL-12 prior to TCR triggering reversed their apparent anergy. T cells from additional chronic inflammatory microenvironments demonstrated a similar refractoriness to TCR activation, suggesting either that a common regulatory mechanism present within the microenvironment controls these cells or that with continuous antigen exposure, they remain refractory to activation via the TCR.

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Crossref · 10.1016/j.clim.2005.09.008

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39 of 39 references verified0 citation errors · 0 not checkable

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Authors
Broderick, L., Brooks, S. P., Takita, H., Baer, A. N., Bernstein, J. M., & Bankert, R. B.
Affiliations
  • University at Buffalo, State University of New York (US)
  • Kaleida Health (US)
Corresponding author
Bankert, Richard B.
Venue
Clinical Immunology
Publisher
Elsevier BV
Published
2006-02
Volume
118
Issue
2-3
Pages
159-169
ISSN
1521-6616 (ISSN-L)
OpenAlex
W2080045946
Cited by
47
References
39
Citations by year
2021: 2 · 2020: 1 · 2019: 1 · 2018: 5 · 2017: 2 · 2016: 1 · 2015: 5 · 2014: 1 · 2013: 4 · 2012: 4
FWCI
1.30
Type
journal article
Language
en
Open access
closed
Locations
  • Clinical Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Public Health Service
  • National Cancer Institute (R01 CA 10897)
  • National Institute of Allergy and Infectious Diseases (AI 07614, T32AI007614)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
Keywords
IL-12, T cell anergy, memory T cells, non-small cell lung cancer, T cell receptor stimulation, NF-κB nuclear translocation, NFAT nuclear translocation, TNF-α, tumor microenvironment, chronic inflammation
MeSH terms
Carcinoma, Non-Small-Cell Lung, Cell Separation, Humans, Immunologic Memory, Lung Neoplasms, Lymph Nodes, Lymphocyte Activation, Receptors, Antigen, T-Cell, Tumor Necrosis Factor-alpha, Signal Transduction, T-Lymphocyte Subsets, Clonal Anergy, Microscopy, Confocal, Interleukin-12, Active Transport, Cell Nucleus

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