Background: Atractylenolide III (ATL III) is a natural bioactive compound, that possesses anti-inflammatory, antioxidant, and neuroprotective properties. However, whether ATL III can protect against neuronal injury induced by cerebral ischemia/reperfusion (I/R) have not yet been studied. This study aimed to investigate the protective effects of ATL III on neuronal injury using an oxygen-glucose deprivation/reperfusion (OGD/R) model in HT22 cells.
Methods: Establishment of OGD/R model to induce HT22 cell injury in vitro. Cell viability, live-dead cell staining, oxidative stress levels, and pro-inflammatory cytokine levels were detected using kits. Cell apoptosis was observed by flow cytometry, and the expression of Bax, Bcl-2, and Caspase-3 proteins was detected by western blot.
Results: ATL III significantly alleviates OGD/R-induced cell injury, as evidenced by the increased cell viability and reduced apoptosis rate. ATL III increased the levels of superoxide dismutase (SOD) and glutathione (GSH), while reducing malondialdehyde (MDA), reactive oxygen species (ROS), and the levels of TNF-α, IL-1β, and IL-6. The protein expression of Bax and Caspase-3 was downregulated, while Bcl-2 expression was upregulated by ATL III.
Conclusion: ATL III as a potential therapeutic agent for reducing neuronal injury by mitigating oxidative stress, apoptosis, and inflammation.
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