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Lidocaine increases the relative viability and activation of H/R-induced A549 cells. The viability of (A) lidocaine-treated A549 cells and (B) H/R-induced A549 cells after lidocaine treatment was detected by using MTT. (C and D) Apoptosis was detected by performing a TUNEL assay. ##P<0.01 and ###P<0.001 vs. H/R; ***P<0.001 vs. control. H/R, hypoxia/reoxygenation.
