CD163 expression is induced by Leishmania infection of neutrophils.
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(A) Gating strategy for the analysis of neutrophil phenotypes. Neutrophils were purified from healthy donors and infected with GFP-expressing L. amazonensis (5 parasites: 1 neutrophil) in RPMI 1640 plus 10% FBS. (B) 3h after infection, neutrophils were characterized by flow cytometry and data analyzed by FlowJo software (in duplicate, n = 5 experiments). Green and black bars represent, respectively, the GFP positive and negative cells. The white bars represent non-exposed group (unstimulated). The mean ± SD of parental percentage of GFP+, GFP- and non-exposed cells were compared by Friedman paired test with Dunn’s post test.