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Antibody effector functions mediated by Fc-receptors are compromised during persistent viral infection

Distribution, Biosynthesis, and Disease Associations Glutathione is found both intracellularly and in the extracellular matrix, with particularly high levels in: Lung tissue Brain tissue Liver tissue It is synthesized endogenously through a two-step enzymatic pathway involving -glutamylcysteine synthetase and glutathione synthetase

As a result, anti-doping testing panels are specifically designed to identify these peptides even if routine drug tests cannot

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