Selenoproteins: molecular pathways and physiological roles

VM Labunskyy, DL Hatfield… - Physiological …, 2014 - journals.physiology.org
Selenium is an essential micronutrient with important functions in human health and
relevance to several pathophysiological conditions. The biological effects of selenium are …

[HTML][HTML] Role of selenoproteins in redox regulation of signaling and the antioxidant system: a review

Y Zhang, YJ Roh, SJ Han, I Park, HM Lee, YS Ok… - Antioxidants, 2020 - mdpi.com
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 …

Endoplasmic reticulum-resident selenoproteins as regulators of calcium signaling and homeostasis

MW Pitts, PR Hoffmann - Cell Calcium, 2018 - Elsevier
The human selenoprotein family contains 25 members that share the common feature of
containing the amino acid, selenocysteine (Sec). Seven selenoproteins are localized to the …

[HTML][HTML] Emerging roles of ER-resident selenoproteins in brain physiology and physiopathology

C Jehan, D Cartier, C Bucharles, Y Anouar, I Lihrmann - Redox Biology, 2022 - Elsevier
The brain has a very high oxygen consumption rate and is particularly sensitive to oxidative
stress. It is also the last organ to suffer from a loss of selenium (Se) in case of deficiency. Se …

Selenocysteine oxidation in glutathione peroxidase catalysis: an MS-supported quantum mechanics study

L Orian, P Mauri, A Roveri, S Toppo, L Benazzi… - Free Radical Biology …, 2015 - Elsevier
Glutathione peroxidases (GPxs) are enzymes working with either selenium or sulfur
catalysis. They adopted diverse functions ranging from detoxification of H 2 O 2 to redox …

The selenocysteine toolbox: A guide to studying the 21st amino acid

CZ Chung, N Krahn - Archives of biochemistry and biophysics, 2022 - Elsevier
Abstract Selenocysteine (Sec), the 21st genetically encoded amino acid, is structurally
similar to cysteine (Cys) but with a sulfur to selenium replacement. This small change …

Emerging roles of endoplasmic reticulum-resident selenoproteins in the regulation of cellular stress responses and the implications for metabolic disease

AB Addinsall, CR Wright, S Andrikopoulos… - Biochemical …, 2018 - portlandpress.com
Chronic metabolic stress leads to cellular dysfunction, characterized by excessive reactive
oxygen species, endoplasmic reticulum (ER) stress and inflammation, which has been …

[HTML][HTML] Serum selenium concentrations and risk of all-cause and heart disease mortality among individuals with type 2 diabetes

Z Qiu, T Geng, Z Wan, Q Lu, J Guo, L Liu, A Pan… - The American journal of …, 2022 - Elsevier
Background The impact of selenium status on the long-term health of people with type 2
diabetes (T2D) remains unclear. Objectives To prospectively examine the association of …

X-Ray fluorescence imaging and other analyses identify selenium and GPX1 as important in female reproductive function

MJ Ceko, K Hummitzsch, N Hatzirodos… - Metallomics, 2015 - academic.oup.com
Studies of selenium (Se) status indicate that Se is necessary for fertility but how precisely is
not known. We aimed to show that Se was important in bovine female reproductive function …

Natural and synthetic selenoproteins

N Metanis, D Hilvert - Current opinion in chemical biology, 2014 - Elsevier
Highlights•Selenocysteine endows proteins with novel redox properties.•New recombinant
and chemical methods are facilitating selenoprotein production.•Many natural …