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Cell Immunol. 2012;272(2):166-74. doi: 10.1016/j.cellimm.2011.10.015. Epub 2011 Oct 28.

Increased IL-17-producing CD4(+) T cells in patients with esophageal cancer.

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Institute of Oncology, The Affiliated Hospital of Jiangsu University, Zhenjiang 212001, China.


Increased interleukin-17 (IL-17)-producing Th (Th17) cells have been described in a variety of human carcinoma cases, however, the mechanism of Th17 cells' accumulation in a tumor microenvironment remains elusive. This study was designed to investigate whether Th17 cells were involved in the development of esophageal cancer. We found that the proportion of Th17 cells increased within the peripheral blood and tumor tissues of esophageal cancer patients. Furthermore, the proportion of circulating Th17 cells was higher in advanced esophageal cancer patients than that in early esophageal cancer patients. In addition, the Th17 cells differentiation-related cytokines (IL-23, IL-1β, and IL-6) and accumulation-related chemokines (CCL22 and CCL20) were present in a tumor microenvironment. Therefore, the findings may partly explain the cause for the increased proportion of Th17 cells and indicate a potential prognostic marker of Th17 cells in esophageal cancer.

[Indexed for MEDLINE]

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