ReferenceID 1257
Neuroprotective effects of aucubin on hydrogen peroxide-induced toxicity in human neuroblastoma SH-SY5Y cells via the Nrf2/HO-1 pathway
Phytomedicine
BACKGROUND: When redox balance is lost in the brain, oxidative stress can cause serious damage that leads to neuronal loss, in congruence with neurodegenerative diseases. Aucubin (AU) is an iridoid glycoside and that is
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- Reference Id
- 1257
- Evidence Id
- 17847
- Core Evidence Id
- 17847
- Source Reference Id
- 2505
- Herb2 Reference Id
- HBREF003302
- Subject Paper Key
- HBIN017343_33994055
- Pubmed Id
- 33994055
- Doi
- 10.1016/j.phymed.2021.153577
- Paper Title
- Neuroprotective effects of aucubin on hydrogen peroxide-induced toxicity in human neuroblastoma SH-SY5Y cells via the Nrf2/HO-1 pathway
- Paper Abstract
- BACKGROUND: When redox balance is lost in the brain, oxidative stress can cause serious damage that leads to neuronal loss, in congruence with neurodegenerative diseases. Aucubin (AU) is an iridoid glycoside and that is one of the active constituents of Eucommia ulmoides, has many pharmacological effects such as anti-inflammation, anti-liver fibrosis, and anti-atherosclerosis. PURPOSE: The present study aimed to evaluate the inhibitory effects of AU on cell oxidative stress against hydrogen peroxide (H2O2)-induced injury in SH-SY5Y cells in vitro. METHODS: SH-SY5Y cells were simultaneously treated with AU and H2O2 for 24 h. Cell viability was measured by CCK-8. Additionally, mitochondrial membrane depolarization, reactive oxygen species (ROS) generation, and cell apoptosis were measured by flow cytometry. RESULTS: The results showed that AU can significantly increase the H2O2-induced cell viability and the mitochondrial membrane potential, decrease the ROS generation, malondialdehyde (MDA), and increase glutathione (GSH) contents and the superoxide dismutase (SOD) activity. We also found that H2O2 stimulated the production of nitric oxide (NO), which could be reduced by treatment with AU through inhibiting the inducible nitric oxide synthase (iNOS) protein expression. In H2O2-induced SH-SY5Y cells, the levels of tumor necrosis factor-alpha (TNF-alpha), interleukin-6 (IL-6) and interleukin-1beta (IL-1beta) content and cell apoptosis were significantly reduced by AU treatment through nuclear factor E2-related factor 2/hemo oxygenase-1 (Nrf2/HO-1) activation, inhibiting the expression of p-NF-kappaB/NF-kappaB and down-regulating MAPK and Bcl-2/Bax pathways. CONCLUSION: These results indicate that AU can reduce inflammation and oxidative stress through the NF-kappaB, Nrf2/HO-1, and MAPK pathways.
- Journal
- Phytomedicine
- Publish Year
- 2021
- Experiment Subject
- h2o2-induced sh-sy5y cells; sh-sy5y cells
- Experiment Type
- Cell Experiment
- Phenotype Related
- Anti-atherosclerosis; Neuronal Loss; Neurodegenerative Diseases; Tumor; Anti-liver Fibrosis
- Paper Title Cn
- Paper Title En
- Neuroprotective effects of aucubin on hydrogen peroxide-induced toxicity in human neuroblastoma SH-SY5Y cells via the Nrf2/HO-1 pathway
- Bilingual Status
- semi_complete