gamma-glutamyl transpeptidase in glutathione biosynthesis Frontiers Full article: Gamma-Glutamyl Transferase: The

Abu Kwaik and Bumann, 2015

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Cellular stresses profoundly inhibit protein synthesis and modulate the states of phosphorylation of multiple translation factors

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FINO2 Initiates Ferroptosis through GPX4 Inactivation and Iron Oxidation

So people at greatest risk for deficiency include those with low stomach acid (e.g., older adults and people on proton pump inhibitors or antacids) or low IF production (known as pernicious anemia), people on medications that interfere with B12 absorption (such as metformin), people who have had gastric surgery, those with GI conditions that impair nutrient absorption (like celiac or Crohn's disease), and people on vegan and vegetarian diets