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. 2020 Nov 25;11:527750. doi: 10.3389/fimmu.2020.527750

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Copyright © 2020 Cai, Duan, Qian, Wang, Wang, Li, Wang, Zhao, Zhang, Bai and Wang

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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Programmed death-ligand 1 (PD-L1) expression induced by ROS1 fusion. (A) Western blot analysis of PD-L1 expression after specific interference of ROS proto-oncogene 1, receptor tyrosine kinase (ROS1) fusion; (B) Flow cytometry analysis of PD-L1 expression on the surface of HCC78 cells after 6 h of treatment with crizotinib at 1 µM.