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KMID : 1102020230530010001
Applied Microscopy
2023 Volume.53 No. 1 p.1 ~ p.1
Changes of lysosome by L-serine in rotenone-treated hippocampal neurons
Shin Su-Min

Hwang Su-Kyeong
Mun Ji-Young
Abstract
Oxidative stress destroys cellular organelles and damages DNA, eventually leading to degenerative brain disorders. Persistent mitochondrial damage by oxidative stress eventually causes cells to inhibit the function of lysosomes. Rotenone used in this study inhibits complex 1 of the mitochondrial electron transport chain. Due to this inhibition, the production of free radicals is promoted, and oxidative stress can occur. To test as a role of antioxidant, L-serine was treated before treatment of rotenone to HT22 hippocampal cells. Then, changes in the activity and structure of lysosomes were analyzed. As a result, the oxidative stress caused by rotenone in HT22 cells was protected by L-serine. L-serine reduced free radicals in cells, and the damaged lysosomal structure and lysosome activity were also protected.
KEYWORD
L-serine, Reactive oxygen species, Mitochondria, Lysosome
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