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. 2019 Dec 16;2:470. doi: 10.1038/s42003-019-0662-5

Fig. 3. LPS (O128:B12) induces citrullination of Histone 3 (citH3) during NETosis and SP-D suppresses LPS-induced citH3 formation.

Fig. 3

Neutrophils were activated for 2 h with −ve control (media only), LPS or ionomycin with or without 20 and 40 μg/mL of SP-D. The cells were fixed and immunostained imaged for citH3 (red) and myeloperoxidase (MPO; green) and stained with DAPI for DNA-blue. LPS and ionomycin, but not buffer control, induced citH3 formation that co-localized with DNA and MPO. SP-D suppressed LPS-mediated, but not ionomycin-mediated citH3 formation (n = 2, scale bar, 40 μm).