Cited by 170Selenium in Biological SystemsOrganoselenium and organotellurium chemistryRedox biology and oxidative stress

Selenium and the Selenoprotein Thioredoxin Reductase in the Prevention, Treatment and Diagnostics of Cancer

Selenius, Markus, Rundlöf, Anna-Klara, Olm, Eric, Fernandes, Aristi P., Björnstedt, Mikael·2010·Antioxidants & Redox Signaling

Abstract

Selenium is an essential element that is specifically incorporated as selenocystein into selenoproteins. It is a potent modulator of eukaryotic cell growth with strictly concentration-dependant effects. Lower concentrations are necessary for cell survival and growth, whereas higher concentrations inhibit growth and induce cell death. It is well established that selenium has cancer preventive effects, and several studies also have shown that it has strong anticancer effects with a selective cytotoxicity on malignant drug-resistant cells while only exerting marginal effects on normal and benign cells. This cancer-specific cytotoxicity is likely explained by high affinity selenium uptake dependent on proteins connected to multidrug resistance. One of the most studied selenoproteins in cancer is thioredoxin reductase (TrxR) that has important functions in neoplastic growth and is an important component of the resistant phenotype. Several reports have shown that TrxR is induced in tumor cells and pre-neoplastic cells, and several commonly used drugs interact with the protein. In this review, we summarize the current knowledge of selenium as a potent preventive and tumor selective anticancer drug, and we also discuss the potential of using the expression and modulation of the selenoprotein TrxR in the diagnostics and treatment of cancer.

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Crossref · 10.1089/ars.2009.2884

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  • Thioredoxin reductases contribute to regulation of gene expression of transcription factors implicated in inflammatory and cell cycle pathways, and in recycling of antioxidant molecules.

    “A second crucial family of proteins containing SeCys and involved in redox biology is thioredoxin reductases (TRs), which contribute to the regulation of gene expression of multiple transcription factors implicated in inflammatory and cell cycle pathways (e.g., NF-kB and p53) [442], as well as in the recycling of antioxidant molecules [441].”

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Authors
Selenius, M., Rundlöf, A.-K., Olm, E., Fernandes, A. P., & Björnstedt, M.
Affiliations
Karolinska University Hospital (SE)
Venue
Antioxidants & Redox Signaling
Published
2010-04
Volume
12
Issue
7
Pages
867-880
ISSN
  • 1523-0864 (ISSN-L)
  • 1557-7716
OpenAlex
W2082202554
Cited by
170
References
158
Citations by year
2026: 5 · 2025: 8 · 2024: 6 · 2023: 10 · 2022: 14 · 2021: 8 · 2020: 10 · 2019: 10 · 2018: 7 · 2017: 11 · 2016: 4 · 2015: 11 · 2014: 16 · 2013: 7 · 2012: 19
FWCI
13.87
Type
journal article
Language
en
Open access
closed
Locations
  • Antioxidants and Redox Signaling (publishedVersion)
  • PubMed (publishedVersion)
Funders
Cancerfonden
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Selenium in Biological Systems
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Toxicology › Organoselenium and organotellurium chemistry
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
selenium, thioredoxin reductase, selenoproteins, selenocysteine, cancer prevention, anticancer agents, multidrug resistance, selenium uptake, tumor-specific cytotoxicity, cancer diagnosis, drug resistance
MeSH terms
Antioxidants, Clinical Trials as Topic, Exons, Humans, Neoplasms, Oxidation-Reduction, Selenium, Thioredoxin-Disulfide Reductase, Drug Design, Biomarkers, Oxidants, Alternative Splicing, Dietary Supplements

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