1. The neuroprotective effect of sodium pyruvate on mouse hippocampal neural HT22 cells
Na LI ; Ke -Qin CAI ; Wen-Xin LI ; Jim LYU ; Rui-Li SHI ; Bao-Hui MA ; Jing-Hua SHI ; Xiao-Qiong HAO ; Rui-Fang QI ; Na LI ; Ke -Qin CAI ; Wen-Xin LI ; Rui-Fang QI ; Guo SHAO
Chinese Pharmacological Bulletin 2023;39(8):1522-1526
Aim To study the effect of sodium pyruvate on apoptosis and autophagy of HT22 in mouse hippocampal neuronal cells under hypoxia conditions. Methods HT22 cells were incubated with different concentrations of sodium pyruvate to detect their cellular activity by MTS; iron staining was used to further observe the effect of sodium pyruvate on HT22 cells in mitochondrial metabolism; lysosomal staining was applied to detect the lysosomal changes of sodium pyruvate on HT22 cells; Western blot was used to detect the expression of Bcl-2, Bax and LC3-II/LC3- I proteins. Results To verify whether sodium pyruvate exerted neuroprotective effects on mouse hippocampal HT22 cells through affecting mitochondrial apoptosis and autophagy pathways, which were improved by administration of sodium pyruvate. Conclusions Sodium pyruvate administration under hypoxic conditions can reduce the neuroprotective effect of hypoxic injury by reducing apoptosis and activating autophagy in HT22 cells.
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