Density of CD8-positive tumor-infiltrating T-lymphocytes is an independent prognostic factor in adenocarcinoma of the esophagogastric junction.

Juliana Knief, Pamela Lazar-Karsten, Ulrich Wellner, Richard Hummel, Christoph Thorns

Abstract

Summary. Tumor-infiltrating lymphocytes (TILs) have commonly been associated with markedly improved prognosis in a variety of human cancers, including carcinomas of the upper and lower gastrointestinal tract. Especially the presence of T-cells (cytotoxic as well as helper cells) seems to define a subgroup of patients with prolonged overall and event-free survival. The density of TILs was assessed via immunohistochemistry for CD8 and CD103 in a population of 228 adenocarcinomas of the esophagogastric junction. Density of CD8+ T-lymphocytes was inversely correlated with depth of tumor infiltration (p=0.013) while no correlation with any of the analyzed clinicopathologic factors could be established for CD103-density. High density of CD8-positive T-cells additionally showed significantly longer overall survival (OS) with a p-value of 0.024 while density of CD103+ cells was associated with prolonged tumor free survival (p-value 0.011). Independence could be demonstrated applying Cox proportional hazard analysis (Hazard Ratio 0.742; 95%-Confidence Interval 0.579-0.951; p=0.019). High density of CD8-positive T-lymphocytes identifies a patient subgroup with significantly prolonged overall survival, is correlated with tumor stage and might open up new therapeutic possibilities via immunomodulating drugs. Histol Histopathol 34, 1121-1129 (2019)

OriginalspracheEnglisch
ZeitschriftHistology and Histopathology
Jahrgang34
Ausgabenummer10
Seiten (von - bis)1121-1129
Seitenumfang9
ISSN0213-3911
DOIs
PublikationsstatusVeröffentlicht - 01.04.2019

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  • Profilbereich: Lübeck Integrated Oncology Network (LION)

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