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. 2021 Jan 12;16:67–78. doi: 10.2147/COPD.S288428

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© 2021 Sun et al.

This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php).

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RNA expression of top five autophagy-related genes were measured in COPD and healthy samples. (A) RNA expression of NAF1, HIF1A, CDKN1A, BAG3 and CHMP4B were measured in blood samples using qRT-PCR. (B) RNA expression of ERBB2, GAPDH, FAM48A, ATG16L1 and ITPR1 were measured in blood samples using qRT-PCR. P-values were calculated using a two-sided unpaired Student’s t-test. **P<0.01; ***P<0.001; ****P<0.0001.

Abbreviation: ns, non significant.