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. 2020 Jun;48(6):300060520925948.
doi: 10.1177/0300060520925948.

Th17 cell frequency and IL-17A production in peripheral blood of patients with non-small-cell lung cancer

Gang Chen  1 , Pei-Gang Zhang  2 , Jun-Sheng Li  3 , Jing-Jing Duan  4 , Wen Su  4 , Shi-Ping Guo  1 , Yan-Feng Wang  4 , Jun-Ning Sun  4 , Xiao-Tang Yang  1
Affiliations

Th17 cell frequency and IL-17A production in peripheral blood of patients with non-small-cell lung cancer

Gang Chen et al. J Int Med Res. 2020 Jun.

Abstract

Objective: This study investigated the frequency of T-helper (Th)17 lymphocytes and production of cytokine interleukin (IL)-17 in peripheral blood of patients with non-small-cell lung cancer (NSCLC) and their use as a marker of clinical value.

Methods: Sixty patients with NSCLC and 60 healthy volunteers were enrolled in the study. Flow cytometry was used to detect the frequency of Th17 lymphocytes in peripheral blood, and enzyme-linked immunosorbent assay (ELISA) was used to detect serum levels of IL-17. We analyzed the association of Th17 lymphocytes and IL-17 levels in the peripheral blood of patients with their clinicopathological features.

Results: Frequency of Th17 lymphocytes and production of IL-17 were significantly higher in the NSCLC group than in the control group and were higher in patients with a smoking history compared with non-smokers. Moreover, Th17 lymphocyte and IL-17 expression levels were higher in patients with squamous cell carcinoma than in patients with adenocarcinoma, and significantly higher in patients with stage III and IV cancers than in patients at stage I or II.

Conclusion: Th17 lymphocytes and IL-17 play an important role in the development of NSCLC in patients and may have clinical value as markers for treatment of NSCLC.

Keywords: Non-small-cell lung cancer; T-helper17 lymphocyte; clinical marker; enzyme linked immunosorbent assay; flow cytometry; interleukin-17 cytokine.

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