Cytokine Profiles Of Non-Small Cell Lung Cancer Patients Treated With Concurrent Chemoradiotherapy With Regards To Radiation Pneumonitis Severity
JOURNAL OF CLINICAL MEDICINE(2021)
摘要
The immunologic aspects of radiation pneumonitis (RP) are unclear. We analyzed variations in cytokine profiles between patients with grade (Gr) 0-1 and Gr >= 2 RP. Fifteen patients undergoing concurrent chemoradiotherapy for non-small cell lung cancer were included. Blood samples of 9 patients with Gr 0-1 and 6 with Gr >= 2 RP were obtained from the Biobank. Cytokine levels were evaluated using an enzyme linked immunosorbent assay at before radiotherapy (RT) initiation, 1, 3, and 6 weeks post-RT initiation, and 1 month post-RT completion. Concentrations of granulocyte colony-stimulating factor (G-CSF), interleukin (IL)-6, IL-10, IL-13, IL-17, interferon (IFN)-gamma, tumor necrosis factor (TNF)-alpha, and transforming growth factor (TGF)-beta were analyzed; none were related to the occurrence of Gr >= 2 RP at pre-RT initiation. At 3 weeks, relative changes in the G-CSF, IL-6, and IFN-gamma levels differed significantly between the groups (p = 0.026, 0.05 and 0.026, respectively). One month post-RT completion, relative changes of IL-17 showed significant differences (p = 0.045); however, relative changes in TNF-alpha, IL-10, IL-13, and TGF-beta, did not differ significantly. Evaluation of changes in IL-6, G-CSF, and IFN-gamma at 3 weeks after RT initiation can identify patients pre-disposed to severe RP. The mechanism of variation in cytokine levels in relation to RP severity warrants further investigation.
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关键词
cytokine, non-small cell lung cancer, chemoradiotherapy, radiation pneumonitis
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