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. 2022 May 30;13:867516. doi: 10.3389/fimmu.2022.867516

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Copyright © 2022 Wang, Liu, Chen, Fang, Li, Yuan, Qian, Yin, Yu, Fu, Zhang and Li

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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NLRP3 inflammasome mediated the effect of MIR503HG to inhibit NETs-triggered metastasis of NSCLC. (A, B) The protein and mRNA expression of NLRP3 and Caspase1 in A549 and SK-MES-1 cells with MIR503HG overexpression were analyzed by Western blot (A) and qRT-PCR (B) after NETs were stimulated. (C) A negative relationship between MIR503HG and NLRP3 in NETs-induced NSCLC cells is presented by correlation analysis. (D) Overexpression of NLRP3 attenuated the effect of MIR503HG in inhibiting NETs-triggered EMT in NSCLC cells by Western blot. (E, F) Overexpression of NLRP3 effectively reverses the effect of MIR503HG in inhibiting NETs-triggered promotion of NSCLC cells metastasis using transwell assay (magnification, 100×) (E) and wound healing assays (magnification, 50×) (F). (^*P < 0.05, ^**P < 0.01).