ArticleAntioxidants (Basel, Switzerland)2025
Protective Roles of Zinc and Selenium Against Oxidative Stress in Brain Endothelial Cells Under Shear Stress.
Article in Antioxidants (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- GPx1 rs1050450 Polymorphism Modulates Selenium Status and Glutathione Peroxidase 1 Activity in Children with Autism Spectrum Disorder: A Case-Control Study from Western Algeria.Biological trace element research · 2026Article
- Surgical Treatment, Rehabilitative Approaches and Functioning Assessment for Patients Affected by Breast Cancer-Related Lymphedema: A Comprehensive Review.Medicina (Kaunas, Lithuania) · 2025Review
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundHypertension is a major risk factor for cerebrovascular diseases due to its damaging effects on the blood-brain barrier (BBB) and associated pathologies. Oxidative stress-induced endothelial damage plays a critical role in BBB disruption, potentially leading to cognitive impairment and neurodegeneration. In this study, we investigated the protective effects of two essential trace elements, zinc (Zn) and selenium (Se), against oxidative stress in human brain endothelial cells (HBCE5i) exposed to hypertensive shear stress. Using an innovative millifluidic system (LiveBox2), which allows for the precise simulation of continuous flow conditions, we replicated the hemodynamic forces associated with hypertension.
methodsCells were treated with ZnCl
resultsOur results demonstrated that shear stress significantly altered the localization of the tight junction protein zonula occludens-1 (ZO-1) and induced the nuclear translocation of the transcription factor NRF2, a hallmark of oxidative stress. Importantly, treatment with 10 µM ZnCl DISCUSSION: We discuss potential reasons for selenium's limited efficacy, including differences in bioavailability and cellular uptake. Our findings underscore zinc's promising role as a neurovascular protector and suggest that further investigation into more complex in vitro models and in vivo studies is warranted.
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