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. 2016 Nov 3;7:473. doi: 10.3389/fimmu.2016.00473

Figure 6.

Figure 6

MBL-mediated opsonophagocytosis of A. fumigatus in C1q-deficient serum. FITC-conjugated A. fumigatus conidia (1 × 107 conidia/ml) were opsonized with C1q-deficient serum including MBL inhibitor or MBL mock-inhibitor. Opsonized conidia were mixed with isolated human neutrophils in a ratio of 5:1, and phagocytosis was quantified by flow cytometry. (A) The percentage of phagocytizing neutrophils. (B) Phagocytic index (percentage of phagocytizing neutrophils × MFI). (C) Fluorescence and DIC microscopy image of neutrophils phagocytizing A. fumigatus-FITC. Results represent the means of three independent experiments ± SD, *p ≤ 0.05 (two-tailed Student’s t-test). MFI = mean fluorescence intensity.