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. 2022 Feb 3;12:773539. doi: 10.3389/fphys.2021.773539

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Copyright © 2022 So, Park, Jang, Lim, Imdad and Kang.

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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Effect of PM exposure and AICAR on AMPK-Sestrin2 protein expression in A549 cells. (A) Representative western blot images of p-AMPK (Thr 172), Sestrin2, p62, and LC3 at (A) 24 h and (B) 48 h of PM exposure and AICAR treatment.