Abstract
The oxygen partial pressure generally increases when cancerous cells become part of the blood vessels. The study was to investigate the influence of oxygen partial pressure on the apoptosis of B16 melanoma cells. Our results demonstrated that both short-term and long-term hypoxia/reoxygenation (H/R) treatment increased stress-induced intracellular reactive oxygen species (ROS). H/R treatment also increased apoptosis and autophagy in B16 cells. N-acetylcysteine (NAC), a ROS scavenger, can reduce ROS and aid survival. However, Bafilomycin A1, an autophagy inhibitor, can accelerate cell death. Thus, our work revealed that ROS and autophagy play critical roles in cellular H/R.
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More From: Biochemical and Biophysical Research Communications
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