期刊
ARCHIVES OF MEDICAL SCIENCE
卷 10, 期 2, 页码 232-239出版社
TERMEDIA PUBLISHING HOUSE LTD
DOI: 10.5114/aoms.2014.42573
关键词
carcinoma; non-small cell lung; TregFoxP3(+); ROR gamma t; Th17
Introduction: The aim of this study was to explore the relationships between TregFoxP3(+) cells and Th17 cells and occurrence of lung cancer. Material and methods: The proportions of TregFoxP3(+) and Th17 cells, the expression of FoxP3 and ROR gamma t mRNA, and the levels of related cell factors such as transforming growth factor-beta (TGF-beta), interleukin IL-17 (IL-17) and IL-23 were determined respectively by flow cytometry analysis, real-time-polymerase chain reaction (PCR), and ELISA in peripheral blood of 18 healthy people and 26 patients with non-small cell lung cancer (NSCLC). Results: The levels of TregFoxP3(+) and Th17, expression of FoxP3 and ROR gamma t mRNA, and ratios of TregFoxP3(+)/Th17 and FoxP3/ROR gamma t in peripheral blood with NSCLC were higher than those in healthy controls (p < 0.05). The proportion of Th17 cells from NSCLC patients was positively correlated with that of TregFoxP3(+) (r = 0.81, p < 0.05). The receiver-operating characteristic (ROC) curve demonstrates that the increased level of TregFoxP3(+)/Th17 in the peripheral blood may be a useful indicator in early diagnosis of non-small cell lung carcinoma. The TregFoxP3(+)/Th17 and FoxP3/ROR gamma t levels for patients in stage IV were higher than those of patients in stages I, II, and III (p < 0.05). The levels of TGF-beta, IL-17, and IL-23 were higher in NSCLC patients than those in healthy controls. Conclusions: The results suggest that ratios of Treg/Th17 correlate with the stage of NSCLC.
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