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Lack of effect of ROI or RNI inhibitors on killing by neutrophils. M. tuberculosis-infected neutrophils were preincubated with medium, DPI, l-NMMA, or a SOD mimic prior to stimulation with TNF-α. The data represent triplicate wells and are percentages of reduction of CFU on four plates/sample relative to CFU at time zero (immediately after washout of uningested bacilli). Differences between treatments were not significant (P > 0.05; Student's t test).
