ArticleBMC pharmacology & toxicology2022
Cornin protects against cerebral ischemia/reperfusion injury by preventing autophagy via the PI3K/Akt/mTOR pathway.
Article in BMC pharmacology & toxicology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 23 citations in OpenAlex.
- PI3K-Akt signaling network crosstalk in cerebral ischemia/reperfusion injury: Mechanisms and therapeutic implications.Chinese medical journal · 2026Review
- Exercise-Induced Myonectin Protects Against Cerebral Ischemia-Reperfusion Injury.CNS neuroscience & therapeutics · 2026Article
- Modulation of Neuronal Mitochondrial Injury by Gualou Guizhi Decoction in a Mouse Ischemia-Reperfusion Model.Iranian journal of biotechnology · 2026Article
- Anti-inflammatory and neuroprotective effect of bryodulcosigenin against cerebral ischemia/reperfusion injury via modulation of inflammatory signaling pathways.Inflammopharmacology · 2026Article
- Iridoids as Multi-target Neuroprotective Agents for Ischemic Stroke: Mechanisms and Therapeutic Potential.Mini reviews in medicinal chemistry · 2026Review
- Running out the clock: Circadian rhythm dysfunction in cognitive disease.International review of neurobiology · 2026Review
- Effects and Mechanisms of Dietary Natural Products on Ischemic Stroke: An Updated Review.Food science & nutrition · 2025Review
- Mollugin attenuates oxygen-glucose deprivation/reperfusion-induced brain microvascular endothelial cell death and permeability through activation of BDNF/TrkB-modulated Akt pathway.Journal of bioenergetics and biomembranes · 2025Article
- Neuroprotective effects of phytochemicals through autophagy modulation in ischemic stroke.Inflammopharmacology · 2025Review
- Therapeutic potential of natural products in ischemic stroke: targeting angiogenesis.Frontiers in pharmacology · 2025Review
- Protective Role of Electroacupuncture Against Cognitive Impairment in Neurological Diseases.Current neuropharmacology · 2025Review
- Flavonoids in Brain Ischemia-Reperfusion and their Effect on Kinases as Signaling Pathway Activity.CNS & neurological disorders drug targets · 2025Article
- Neuroprotective Effects of Aucubin against Cerebral Ischemia and Ischemia Injury through the Inhibition of the TLR4/NF-κB Inflammatory Signaling Pathway in Gerbils.International journal of molecular sciences · 2024Article
- Review
- Cognitive Impairment in Multiple Sclerosis.Bioengineering (Basel, Switzerland) · 2023Review
- Cellular Metabolism: A Fundamental Component of Degeneration in the Nervous System.Biomolecules · 2023Review
- The impact of aging and oxidative stress in metabolic and nervous system disorders: programmed cell death and molecular signal transduction crosstalk.Frontiers in immunology · 2023Review
- The Metabolic Basis for Nervous System Dysfunction in Alzheimer's Disease, Parkinson's Disease, and Huntington's Disease.Current neurovascular research · 2023Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIschemia stroke is the leading cause of disability, which is a consequence of vascular occlusion. The purpose of this study is to investigate the effect of cornin which is isolated from the fruit of Verbena officinalis L, against astrocytes autophagy induced by cerebral ischemia/reperfusion (CI/R) injury in vitro and in vivo and its potential mechanism.
methodsCornin at dose of 2.5, 5 and 10 mg/kg were intravenously injected to MCAO rats at 15 min after reperfusion. The infarction volume, blood-brain barrier (BBB), neurological severity score (mNSS), and autophagy related protein were used to evaluated the protective effects and potential mechanism of cornin in autophagy with or without phosphoinositide-3 kinase (PI3K)inhibitor LY294002 and mammalian target of rapamycin (mTOR) small interfering RNA (siRNA) at 24 h after CI/R injury. The potential protective effects and mechanism of cornin at concention of 10 ~ 1000 nM were also evaluated in oxygen glucose deprivation/reperfusion (OGD/R) in U87 cells.
resultsThe results suggest that cornin at dose of 5 or 10 mg/kg significantly reduce the cerebral infarction volume and blood-brain barrier (BBB) leakage, and improve neurological recovery in MCAO rats. Cleaved caspase-3 and Bax levels were significantly decreased, while B-cell lymphoma-2 (Bcl-2) and the apoptosis regulator ratio (Bcl-2/Bax) were markedly increased when treated with 2.5-10 mg/kg cornin. The obvious decreased expressions of glial fibrillary acidic protein (GFAP), myosin-like BCL2 interacting protein (Beclin-1) and microtubule-associated protein light chain 3 II (LC3-II) and increased of neuronal nuclei (NeuN), sequestosome-1 (p62), phosphorylated mTOR (p-mTOR), and phosphorylated Akt (p-Akt) were observed in MCAO rats treated with 10 mg/kg cornin, which was counteracted by LY294002. The expression of autophagy-related proteins with or without LY294002 and mTOR siRNA presented the similar results as in vitro in OGD/R in U87 cells.
conclusionsThese results indicate that cornin improved neurological recovery after cerebral ischemia injury by preventing astrocytes autophagy induced by CI/R via the PI3K/Akt/mTOR signaling pathway.
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