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• W3086406611 endingPage "482" @default.
• W3086406611 startingPage "472" @default.
• W3086406611 abstract "Senescence marker protein 30 (SMP30) is a senescence marker molecule and identified as a calcium regulatory protein. Currently, SMP30 has emerged as a cytoprotective protein in a wide range of cell types. However, the role of SMP30 in regulating neuronal survival during cerebral ischemia/reperfusion injury remains unclear. In the present study, we aimed to investigate the biological function and regulatory mechanism of SMP30 on neuronal survival using a cellular model induced by oxygen-glucose deprivation/reoxygenation (OGD/R). The results showed that SMP30 expression was significantly decreased by OGD/R exposure in neurons. Functional experiments demonstrated that SMP30 overexpression significantly rescued the decreased cell viability and attenuated the apoptosis and reactive oxygen species generation in OGD/R-exposed neurons. By contrast, SMP30 knockdown exhibited the opposite effect. Mechanism research revealed that SMP30 overexpression contributed to the activation of nuclear factor erythroid 2-related factor (Nrf2)/antioxidant response element (ARE) signaling associated with downregulation of Kelch-like ECH-associated protein (Keap1). Keap1 overexpression or Nrf2 silencing significantly reversed SMP30-mediated neuroprotection against OGD/R-induced injury. Overall, these findings demonstrate that SMP30 overexpression protects neurons from OGD/R-induced apoptosis and oxidative stress by enhancing Nrf2/ARE antioxidant signaling via inhibition of Keap1. These data highlight the importance of the SMP30/Keap1/Nrf2/ARE signaling axis in regulating neuronal survival during cerebral ischemia/reperfusion injury." @default.
• W3086406611 created "2020-09-21" @default.
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• W3086406611 date "2020-09-10" @default.
• W3086406611 modified "2023-09-25" @default.
• W3086406611 title "Senescence marker protein 30 confers neuroprotection in oxygen-glucose deprivation/reoxygenation-injured neurons through modulation of Keap1/Nrf2 signaling: Role of SMP30 in OGD/R-induced neuronal injury" @default.
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• W3086406611 doi "https://doi.org/10.1177/0960327120954243" @default.
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