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Untreated A549 cells under hypoxia condition and A549 cells treated with 10 and 20 µM of DHE for 24 h under hypoxic condition. Transwell assays were performed to explore the effects of DHE on A549 cells migration and invasion. (A) Quantification of the number of migrated cells. (B) Quantification of the number of invaded cells. *P<0.05 vs. A549 cells under normoxic condition. #P<0.05 vs. A549 cells under hypoxic condition
