Results 21 to 30 of about 14,518 (218)

Role of Selenoproteins in Redox Regulation of Signaling and the Antioxidant System: A Review

open access: yesAntioxidants, 2020
Selenium is a vital trace element present as selenocysteine (Sec) in proteins that are, thus, known as selenoproteins. Humans have 25 selenoproteins, most of which are functionally characterized as oxidoreductases, where the Sec residue plays a catalytic
Ying Zhang   +7 more
doaj   +1 more source

The Neurobiology of Selenium: Looking Back and to the Future

open access: yesFrontiers in Neuroscience, 2021
Eighteen years ago, unexpected epileptic seizures in Selenop-knockout mice pointed to a potentially novel, possibly underestimated, and previously difficult to study role of selenium (Se) in the mammalian brain.
Ulrich Schweizer   +3 more
doaj   +1 more source

Gene expression evaluation of antioxidant enzymes in patients with hepatocellular carcinoma: RT-qPCR and bioinformatic analyses [PDF]

open access: yesGenetics and Molecular Biology, 2021
Any condition leading to chronic liver disease is a potential oncogenic agent for hepatocellular carcinoma (HCC). Alterations in the expression of antioxidant enzymes could alter the redox balance. Our aim was to evaluate the expression of the genes GPX1,
Andressa de Freitas Alves   +6 more
doaj   +1 more source

Accurate quantification of selenoproteins in human plasma/serum by isotope dilution ICP-MS : focus on selenoprotein P [PDF]

open access: yes, 2017
Acknowledgements The research leading to these results was funded by the EMRP Joint Research Project “Metrology for metalloproteins” (HLT-05 2012). The EMRP is jointly funded by the EMRP participating countries within EURAMET and the European Union.Peer ...
Busto, M. Estela del Castillo   +8 more
core   +1 more source

Selenoproteins synergistically protect porcine skeletal muscle from oxidative damage via relieving mitochondrial dysfunction and endoplasmic reticulum stress

open access: yesJournal of Animal Science and Biotechnology, 2023
Background The skeletal muscle of pigs is vulnerable to oxidative damage, resulting in growth retardation. Selenoproteins are important components of antioxidant systems for animals, which are generally regulated by dietary selenium (Se) level.
Jinzhong Jing   +12 more
doaj   +1 more source

Selenium in biology: Facts and medical perspectives [PDF]

open access: yes, 2000
Several decades after the discovery of setenium as an essential trace element in vertebrates approximately 20 eukaryotic and more than 15 prokaryotic selenoproteins containing the 21(st) proteinogenic amino acid, selenocysteine, have been identified ...
Brigelius-Flohé, Regina   +5 more
core   +1 more source

Deciphering the Role of Selenoprotein M

open access: yesAntioxidants, 2023
Selenocysteine (Sec), the 21st amino acid, is structurally similar to cysteine but with a sulfur to selenium replacement. This single change retains many of the chemical properties of cysteine but often with enhanced catalytic and redox activity ...
Lance G. A. Nunes   +4 more
doaj   +1 more source

The single-nucleotide polymorphism (GPX4c718t) in the glutathione peroxidase 4 gene influences endothelial cell function : Interaction with selenium and fatty acids [PDF]

open access: yes, 2013
© 2013 The Authors. Molecular Nutrition & Food Research published by Wiley-VCH Verlag GmbH & Co.
Akbaraly   +31 more
core   +2 more sources

Environmental and Circadian Regulation Combine to Shape the Rhythmic Selenoproteome

open access: yesCells, 2022
The circadian clock orchestrates an organism’s endogenous processes with environmental 24 h cycles. Redox homeostasis and the circadian clock regulate one another to negate the potential effects of our planet’s light/dark cycle on the generation of ...
Holly Kay   +2 more
doaj   +1 more source

Selenoproteins and Metastasis [PDF]

open access: yes, 2017
Cancer survival is largely impacted by the dissemination of cancer cells from the original tumor site to secondary tissues or organs through metastasis. Targets for antimetastatic therapies have recently become a focus of research, but progress will require a better understanding of the molecular mechanisms driving metastasis.
Michael P, Marciel, Peter R, Hoffmann
openaire   +2 more sources

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