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Actin cytoskeleton analysis of A549 cells in the different treatment groups. The actin cytoskeleton was stained with phalloidin-Alexa488, and the nucleus was stained with DAPI, following control, seawater and seawater + BAPTA-AM or capsazepine treatments. Stress fibers are indicated by the red arrows, and the disorganization of actin filaments is indicated by the red asterisks.
