Icariin Prevents H2O2-Induced Apoptosis via the PI3K/Akt Pathway in Rat Nucleus Pulposus Intervertebral Disc Cells
The sectionalization: (A) blank control. (B) 200 μM H2O2. (C) 200 μM H2O2 + 20 μM icariin (Ica). (D) 200 μM H2O2 + 20 μM Ica. (E) 200 μM H2O2 + 20 μM Ica + 25 μM LY294002. (a) Flow cytometry detection and fluorescence microscope observations: the intracellular ROS dye of group (B) rises. In group (C), there were fewer intracellular ROS than in group (B). However, in groups (D) and (E), intracellular ROS dye increased. (b) ROS rate: the ROS rate of H2O2 group increased significantly and the cytotoxicity of H2O2 is weakened by icariin ( versus control group; versus H2O2 group). In addition, the lock of PI3/AKT pathway made a dent in the protection effect of icariin ( versus group (C)). Group (E) showed the highest ROS levels among all groups, which indicates LY294002 acts synergistically to H2O2 in elevating intracellular ROS ( versus group (B)).
Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.