Sources include amalgam dental fillings containing mercury, contaminated seafood, lead in older plumbing systems and paint, cadmium from cigarette smoke and contaminated foods, and arsenic in some water supplies and agricultural products
Richard-Carpentier G, Kantarjian HM, Ravandi F, Kadia TM, Borthakur G, Garcia-Manero G, DiNardo CD, Wierda WG, Daver NG, Pemmaraju N, Bose P, Konopleva MY, Andreeff M , Verstovsek S, Krause HM, Aung FM, Cortes JE
Under normal conditions, an enzyme system (NADPH-dependent methemoglobin reductase) keeps methemoglobin levels low, but if this system is overwhelmed (by oxidant drugs or toxins), MB administered intravenously acts as an artificial electron carrier
The endoplasmic reticulum offers a unique setting concerning GSH homeostasis
Vitamin B12 supplementation should be considered for patients with documented deficiency
10.1056/NEJMsa063904 54 MusialekM