The New England journal of medicine
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Particulate fractions from normal human granulocytes preactivated with opsonized zymosan were found to catalyze superoxide production in the presence of reduced pyridine nucleotides. Similar preparations from three patients with X-linked chronic granulomatous disease produced no detectable superoxide. ⋯ Particles from the mothers of two of the patients produced superoxide at diminished rates; superoxide production by particles from the third mother was normal. These findings suggest that chronic granulomatous disease represents either a defect in a pyridine nucleotide-dependent superoxide-forming oxidase or a lesion in the apparatus responsible for activating the oxidase.