ArticleNeurochemical research2021
Autophagy Inhibition by ATG3 Knockdown Remits Oxygen-Glucose Deprivation/Reoxygenation-Induced Injury and Inflammation in Brain Microvascular Endothelial Cells.
Article in Neurochemical research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 15 citations in OpenAlex.
- The Ubiquitination and Degradation of SH2B3 Mediated by MEF2A/WWP2 Axis Restores Microglial Homeostasis to Alleviate Cerebral Microvascular Endothelial Cell Injury in Ischemic Stroke.Neurochemical research · 2025Article
- Relationship of Autophagic Dysfunction With the Quality of Life and Sleep, Depression and Disease Severity in Patients With Restless Legs Syndrome.Brain and behavior · 2025Article
- KLF6 alleviates hepatic ischemia-reperfusion injury by inhibiting autophagy.Cell death & disease · 2023Article
- Endothelial Autophagy Dysregulation in Diabetes.Cells · 2023Review
- Mitophagy in atherosclerosis: from mechanism to therapy.Frontiers in immunology · 2023Review
- Identification and cross-validation of autophagy-related genes in cardioembolic stroke.Frontiers in neurology · 2023Article
- Protocatechualdehyde Rescues Oxygen-Glucose Deprivation/Reoxygenation-Induced Endothelial Cells Injury by Inducing Autophagy and Inhibiting ApoptosisFrontiers in pharmacology · 2022Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Autophagy participates in the development of cerebral ischemia stroke. Autophagy-related 3 (ATG3), an important autophagy regulator, was reported to be upregulated in a rat model of cerebral ischemia/reperfusion (CI/R) injury and an oxygen-glucose deprivation/reoxygenation (OGD/R) cell model. However, the detailed role of ATG3 in CI/R injury remains elusive. An in vitro cellular model was established to mimic CI/R injury by exposing hBMECs and bEnd.3 cells to OGD/R. OGD/R-induced injury were evaluated by cell counting kit-8 (CCK-8), LDH release assay, caspase-3 activity assay and TUNEL assay. Inflammation was assessed by detecting mRNA expression and concentrations of interleukin-1β (IL-1β), IL-6 and tumor necrosis factor-α (TNF-α) using qRT-PCR and ELISA, respectively. The protein levels of ATG3, light chain 3 (LC3)-I, LC3-II, p62, protein kinase B (Akt), and phosphorylated Akt (p-Akt) were determined by western blot analysis. We successfully established an in vitro OGD/R injury model using hBMECs and bEnd.3 cells. ATG3 was time-dependently upregulated and ATG3 knockdown inhibited autophagy in OGD/R-challenged brain microvascular endothelial cells. Moreover, autophagy inhibition by ATG3 interference attenuated OGD/R-induced viability inhibition and increase of LDH release, caspase-3 activity, programmed cell death, and production of IL-1β, IL-6 and TNF-α. Inhibition of autophagy by ATG3 silencing activated the phosphoinositide 3-kinase (PI3K)/Akt pathway in OGD/R-challenged brain microvascular endothelial cells. Furthermore, inhibition of the PI3K/Akt pathway reversed the protective effects of ATG3 silencing on OGD/R-induced injury and inflammation. In conclusion, autophagy inhibition by ATG3 knockdown remitted OGD/R-induced injury and inflammation in brain microvascular endothelial cells via activation of the PI3K/Akt pathway.
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