ArticleAntioxidants (Basel, Switzerland)2024
NRF2 and Thioredoxin Reductase 1 as Modulators of Interactions between Zinc and Selenium.
Article in Antioxidants (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Zinc regulates the balance of specific gut microbiota through MTF1/Nrf2 and mitigates ferroptosis through activation of PINK1/Parkin/mitophagy via the gut-kidney axis in sepsis-associated acute kidney injury in pregnant mice.Apoptosis : an international journal on programmed cell death · 2026Article
- Oxidative Stress andInternational journal of molecular sciences · 2026Review
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
backgroundSelenium and zinc are essential trace elements known to regulate cellular processes including redox homeostasis. During inflammation, circulating selenium and zinc concentrations are reduced in parallel, but underlying mechanisms are unknown. Accordingly, we modulated the zinc and selenium supply of HepG2 cells to study their relationship.
methodsHepG2 cells were supplied with selenite in combination with a short- or long-term zinc treatment to investigate intracellular concentrations of selenium and zinc together with biomarkers describing their status. In addition, the activation of the redox-sensitive transcription factor NRF2 was analyzed.
resultsZinc not only increased the nuclear translocation of NRF2 after 2 to 6 h but also enhanced the intracellular selenium content after 72 h, when the cells were exposed to both trace elements. In parallel, the activity and expression of the selenoprotein thioredoxin reductase 1 (TXNRD1) increased, while the gene expression of other selenoproteins remained unaffected or was even downregulated. The zinc effects on the selenium concentration and TXNRD activity were reduced in cells with stable NRF2 knockdown in comparison to control cells.
conclusionsThis indicates a functional role of NRF2 in mediating the zinc/selenium crosstalk and provides an explanation for the observed unidirectional behavior of selenium and zinc.
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