Concurrent infiltration by CD8+ T cells and CD4+ T cells is a favourable prognostic factor in non-small-cell lung carcinoma

The purpose of this study was to clarify the relationship between the number of tumour-infiltrating T lymphocytes and the clinicopathological features and clinical outcome in patients with non-small-cell lung cancer (NSCLC). Tissue specimens from 109 patients who underwent surgical resection for NSC...

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Veröffentlicht in:British journal of cancer 2006-01, Vol.94 (2), p.275-280
Hauptverfasser: Hiraoka, K, Miyamoto, M, Cho, Y, Suzuoki, M, Oshikiri, T, Nakakubo, Y, Itoh, T, Ohbuchi, T, Kondo, S, Katoh, H
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container_title British journal of cancer
container_volume 94
creator Hiraoka, K
Miyamoto, M
Cho, Y
Suzuoki, M
Oshikiri, T
Nakakubo, Y
Itoh, T
Ohbuchi, T
Kondo, S
Katoh, H
description The purpose of this study was to clarify the relationship between the number of tumour-infiltrating T lymphocytes and the clinicopathological features and clinical outcome in patients with non-small-cell lung cancer (NSCLC). Tissue specimens from 109 patients who underwent surgical resection for NSCLC were immunohistochemically analysed for CD4 and CD8 expression. Patients were classified into two groups according to whether their tumours exhibited a ‘high’ or ‘low’ level of CD8 + or CD4 + lymphocyte infiltration. Although the level of infiltration by CD8 + T cells alone had no prognostic significance, the survival rate for patients with both ‘high’ CD8 + and ‘high’ CD4 + T-cell infiltration was significantly higher than that for the other groups (log-rank test, P =0.006). Multivariate analysis indicated that concomitant high CD8 + and high CD4 + T-cell infiltration was an independent favourable prognostic factor ( P =0.0092). In conclusion, the presence of high levels of both CD8 + T cells and CD4 + T cells is a significant indicator of a better prognosis for patients with NSCLC, and cooperation between these cell populations may allow a significantly more potent antitumour response than either population alone.
doi_str_mv 10.1038/sj.bjc.6602934
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Tissue specimens from 109 patients who underwent surgical resection for NSCLC were immunohistochemically analysed for CD4 and CD8 expression. Patients were classified into two groups according to whether their tumours exhibited a ‘high’ or ‘low’ level of CD8 + or CD4 + lymphocyte infiltration. Although the level of infiltration by CD8 + T cells alone had no prognostic significance, the survival rate for patients with both ‘high’ CD8 + and ‘high’ CD4 + T-cell infiltration was significantly higher than that for the other groups (log-rank test, P =0.006). Multivariate analysis indicated that concomitant high CD8 + and high CD4 + T-cell infiltration was an independent favourable prognostic factor ( P =0.0092). In conclusion, the presence of high levels of both CD8 + T cells and CD4 + T cells is a significant indicator of a better prognosis for patients with NSCLC, and cooperation between these cell populations may allow a significantly more potent antitumour response than either population alone.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>16421594</pmid><doi>10.1038/sj.bjc.6602934</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Aged
Aged, 80 and over
Biological and medical sciences
Biomedical and Life Sciences
Biomedicine
Cancer Research
Carcinoma, Non-Small-Cell Lung - immunology
Carcinoma, Non-Small-Cell Lung - mortality
CD4-Positive T-Lymphocytes - immunology
CD8-Positive T-Lymphocytes - immunology
Drug Resistance
Epidemiology
Female
Hospitals
Humans
Immunohistochemistry
Lung cancer
Lung Neoplasms - immunology
Lung Neoplasms - mortality
Lymphocytes
Male
Medical prognosis
Medical research
Medical sciences
Medicine
Middle Aged
Molecular Diagnostics
Molecular Medicine
Oncology
Patients
Pneumology
Prognosis
Survival Analysis
Survival Rate
Thoracic surgery
Tumors
Tumors of the respiratory system and mediastinum
title Concurrent infiltration by CD8+ T cells and CD4+ T cells is a favourable prognostic factor in non-small-cell lung carcinoma
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