Terme de Glossaire

myeloperoxidase

Myeloperoxidase (MPO) is an enzyme present in high concentration in the primary granules of polymorphonuclear neutrophil cells. It uses hydrogen peroxide and the chlorure ion to form a very powerful oxidizing molecule, hypochlorous acid (or HOCl). Myeloperoxidase is also responsible for the nitration of amino acids particularly tyrosine.

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