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Increased serum levels of interleukin-10 predict poor prognosis in extranodal natural killer/T-cell lymphoma patients receiving asparaginase-based chemotherapy

Authors Wang H, Wang L, Wuxiao ZJ, Huang HQ, Jiang WQ, Li ZM, Lu Y, Xia ZJ

Received 24 June 2015

Accepted for publication 25 August 2015

Published 14 September 2015 Volume 2015:8 Pages 2589—2599

DOI https://doi.org/10.2147/OTT.S91077

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Leandro Thiago

Peer reviewer comments 3

Editor who approved publication: Professor Daniele Santini

Hua Wang,1–3,* Liang Wang,1–3,* ZhiJun Wuxiao,4,* HuiQiang Huang,5 WenQi Jiang,5 ZhiMing Li,5 Yue Lu,1–3 ZhongJun Xia1–3

1Department of Hematological Oncology, Sun Yat-Sen University Cancer Center, Guangzhou, People’s Republic of China; 2State Key Laboratory of Oncology in South China, Guangzhou, People’s Republic of China; 3Collaborative Innovation Center for Cancer Medicine, Guangzhou, People’s Republic of China; 4Department of Hematology & Oncology, The Affiliated Hospital, Hainan Medical College, Haikou, Hainan, People’s Republic of China; 5Department of Medical Oncology, Sun Yat-Sen University Cancer Center, Guangzhou, People’s Republic of China

*These authors contributed equally to this work

Abstract: There are currently no prognostic biomarkers for extranodal natural killer/T-cell lymphoma (ENKTL) patients receiving asparaginase-based chemotherapy. Interleukin-10 (IL-10) is a pleiotropic cytokine that is involved in the stimulation and suppression of immune responses and influences the prognosis of different subtypes of lymphoma. We retrospectively analyzed 98 newly diagnosed patients with ENKTL receiving asparaginase-based chemotherapy. Baseline serum IL-10 levels were tested with sandwich enzyme-linked immunosorbent assays. Patients with high IL-10 (≥12.28 pg/mL) at diagnosis tended to have more adverse clinical features. Patients with low IL-10 (<12.28 pg/mL) at diagnosis had better progression-free survival (PFS) (P<0.001) and overall survival (OS) (P<0.001). Multivariate analysis revealed that baseline serum IL-10 level ≥12.28 pg/mL, stage III/IV, elevated serum ferritin, and elevated serum Epstein–Barr virus DNA level at diagnosis were four adverse factors for PFS and OS. Based on these four independent prediction factors, we divided the patients into different subgroups as follows: group 1, no adverse factors; group 2, one factor; group 3, two factors; and group 4, three or four factors. Furthermore, significant differences in PFS and OS were found between the groups. Our results suggest that pretreatment serum IL-10 is a novel, powerful predictor of prognosis for ENKTL patients receiving asparaginase-based chemotherapy, which suggests a role for IL-10 in the pathogenesis of this disease and offers new insight into potential therapeutic strategies.

Keywords: ELISA, extranodal NK/T-cell lymphoma, Serum IL-10

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