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. 2019 Jan 17;10(3):391–396. doi: 10.3892/mco.2019.1801

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Copyright: © Fujisawa et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 3. — PD-L1 protein and mRNA levels. Linearity of PD-L1 protein measurements using ELISA and digital immunostaining with PID resulted in a statistically significant correlation for all antibodies. (A) E1L3N: r=0.902, (B) SP263: r=0.914, (C) 28-8: r=0.911 and (D) SP142: r=0.903. Linearity of PD-L1 mRNA measurements using the nCounter system and digital immunostaining with PID resulted in a statistically significant correlation for all antibodies. (E) E1L3N: r=0.957, (F) SP263: r=0.962, (G) 28-8: r=0.958 and (H) SP142: r=0.961. PD-L1, programmed death ligand-1; PID, phosphor-integrated dot.