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Träfflista för sökning "WFRF:(Wanders R) srt2:(2015-2019)"

Sökning: WFRF:(Wanders R) > (2015-2019)

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  • Herzog, Katharina, et al. (författare)
  • An UPLC-MS/MS assay to measure glutathione as marker for oxidative stress in cultured cells
  • 2019
  • Ingår i: Metabolites. - : MDPI AG. - 2218-1989. ; 9:3
  • Tidskriftsartikel (refereegranskat)abstract
    • Oxidative stress plays a role in the onset and progression of a number of diseases, such as Alzheimer’s disease, diabetes and cancer, as well as ageing. Oxidative stress is caused by an increased production of reactive oxygen species and reduced antioxidant activity, resulting in the oxidation of glutathione. The ratio of reduced to oxidised glutathione is often used as a marker of the redox state in the cell. Whereas a variety of methods have been developed to measure glutathione in blood samples, methods to measure glutathione in cultured cells are scarce. Here we present a protocol to measure glutathione levels in cultured human and yeast cells using ultra-performance liquid chromatography-tandem mass spectrometry (UPLC–MS/MS).
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5.
  • van Kuilenburg, Andre B. P., et al. (författare)
  • Glutaminase Deficiency Caused by Short Tandem Repeat Expansion in GLS
  • 2019
  • Ingår i: New England Journal of Medicine. - 0028-4793 .- 1533-4406. ; 380:15, s. 1433-1441
  • Tidskriftsartikel (refereegranskat)abstract
    • We report an inborn error of metabolism caused by an expansion of a GCA-repeat tract in the 5′ untranslated region of the gene encoding glutaminase (GLS) that was identified through detailed clinical and biochemical phenotyping, combined with whole-genome sequencing. The expansion was observed in three unrelated patients who presented with an early-onset delay in overall development, progressive ataxia, and elevated levels of glutamine. In addition to ataxia, one patient also showed cerebellar atrophy. The expansion was associated with a relative deficiency of GLS messenger RNA transcribed from the expanded allele, which probably resulted from repeat-mediated chromatin changes upstream of the GLS repeat. Our discovery underscores the importance of careful examination of regions of the genome that are typically excluded from or poorly captured by exome sequencing.
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