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. 2021 Jun 24;12:669162. doi: 10.3389/fimmu.2021.669162

Figure 2.

Figure 2

Renal ischemia reperfusion injury (I/R) at 24 h induced more prominent neutrophil extracellular traps (NETs) in blood of lupus prone mice. Characteristics of NETs in peripheral blood neutrophils from Fcgr2b-/- or wild-type (Fcgr2b+/+) mice after renal ischemia reperfusion injury (I/R) as determined by the nuclear morphology by 4’,6-diamidino-2-phenylindole (DAPI) staining (blue color) (A), co-staining of myeloperoxidases (MPO) and neutrophil elastase (NE) (B), citrullinated histone H3 (CitH3) staining (C) with the representative pictures from peripheral blood neutrophils at 24 h post-I/R (or sham) from both mouse strains with DAPI staining (original magnification 200x) (D), and immunofluorescence of MPO/NE and CitH3 (original magnification 630x) (E, F) are demonstrated. Additionally, the gene expression of PAD4 and IL-1β (G, H) together with serum IL-1β (I) and serum ds-DNA (J) are also demonstrated (n = 6–7/time-point).