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Assessing the prognostic value of preoperative carcinoembryonic antigen-specific T-cell responses in colorectal cancer

Scurr, Martin J., Brown, Clare M., Costa Bento, Diana F., Betts, Gareth J., Rees, Brian I., Hills, Robert K., Gallimore, Awen and Godkin, Andrew 2015. Assessing the prognostic value of preoperative carcinoembryonic antigen-specific T-cell responses in colorectal cancer. JNCI: Journal of the National Cancer Institute 107 (4) , djv001. 10.1093/jnci/djv001

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Abstract

Current dogma suggests that tumor-reactive IFN-γ–producing (TH1-type) T-cells are beneficial to patient outcome; however, the clinical consequence of these responses with respect to long-term prognosis in colorectal cancer (CRC) is not understood. Here, we compared the utility of preoperative, peripheral blood–derived IFN-γ+ T-cell responses specific to carcinoembryonic antigen (CEA), 5T4, or control antigens (n = 64) with tumor staging and clinical details (n = 87) in predicting five-year outcome of CRC patients who underwent resection with curative intent. Although disease recurrence was more likely in patients with stage III tumors, the presence of preoperative, CEA-specific IFN-γ–producing T-cells identified patients at a statistically significantly greater risk of tumor recurrence following surgical resection, irrespective of tumor stage (odds ratio = 5.00, 95% confidence interval = 1.96 to 12.77, two-sided P <.001). Responses to other antigens, including 5T4, did not reflect outcome. Whilst these results initially appear surprising, they could improve prognostication and help redirect adjuvant treatments.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Medicine
Systems Immunity Research Institute (SIURI)
Centre for Economic and Social Aspects of Genomics (CESAGen)
Subjects: R Medicine > RC Internal medicine > RC0254 Neoplasms. Tumors. Oncology (including Cancer)
Additional Information: This is an open access article distributed under the terms of the Creative Commons CC BY license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Publisher: Oxford University Press
ISSN: 0027-8874
Funders: Wellcome Trust
Date of First Compliant Deposit: 30 March 2016
Date of Acceptance: 30 December 2014
Last Modified: 27 May 2020 09:15
URI: http://orca.cf.ac.uk/id/eprint/71976

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