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When rat L8 muscle cells were cultured to examine the effects of serum and selenium concentration on selenoprotein W levels and glutathione peroxidase (GPX) activities, no significant differences (P > 0.05) were found in selenoprotein W levels and GPX activities during differentiation. With three different forms of selenium, selenoprotein W levels and GPX activities were shown to increase in L8...
The effects of selenium on selenoprotein W gene expression were examined in cultured L8 rat skeletal muscle cells. Selenoprotein W contains selenium as selenocysteine in the primary protein structure and levels of this selenoprotein are affected by selenium. Northern blots indicated that there were no significant changes (P<0.05) in selenoprotein W mRNA levels during cell proliferation and differentiation...
Selenoprotein W (SelW) and selenium (Se) plays important roles in gastrointestinal function and that SelW expression in the gastrointestinal system of mammals is sensitive to Se levels. However, little is known about the pattern of SelW expression in the bird gastrointestinal tract. To investigate the distribution of SelW and effects of dietary Se levels on the SelW mRNA expression in the gastrointestinal...
As an essential trace element, selenium (Se) deficiency results in White Muscle Disease in livestock and Keshan disease in humans. The main objectives of this study were to clone and characterize the chicken selenoprotein W (SeW) gene and investigate SeW mRNA expression in chicken tissues. The deduced amino acid (AA) sequence of chicken SeW contains 85 AAs with UAG as the stop codon. Like all SeW...
Selenium (Se) and Selenoprotein W (SelW) plays a pivotal role in the brain development, function, and degeneration and that SelW expression in the brain may be affected by Se. However, the mechanism which Se regulates the SelW gene expression in neurons remains to be unclear. To investigate the effects of the SelW gene expression and mRNA stability induced by Se, primary cultured chicken embryos neurons...
Selenium (Se), selenoprotein N (SelN) and selenoprotein W (SelW) play a crucial role in muscle disorders. Se status highly regulates selenoprotein mRNA levels. However, few attempts have been performed on the effect of dietary Se supplementation on muscle SelN and SelW mRNA levels in birds. To investigate the effects of Se on the regulation of SelN and SelW mRNA levels in muscle tissues, one-day-old...
To verify the antioxidative role of SelW in oxidant-induced chicken splenic lymphocyte, in this report, the influence of selenite supplementation and SelW gene silence on H2O2-mediated cell viability and cell apoptosis in cultured splenic lymphocyte derived from spleen of chicken were examined. The cultured cells were treated with sodium selenite and H2O2, or knocked down SelW with small interfering...
Selenoprotein W (SelW) is mainly understood in terms of its antioxidant effects in the cellular defense system. Inflammation is an important indicator of animal tissue injury, and the inflammatory cells may trigger a sophisticated and well-orchestrated inflammatory cascade, resulting in exaggerated oxidative stress. To investigate the role of SelW in inflammatory injury in chicken immune tissues and...
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