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. 2021 Mar 1;7:43. doi: 10.1038/s41420-021-00428-w

Fig. 5. Caspase 1 activation, lytic monocyte death, and increased Il-1β lvels associate with severe COVID-19.

Fig. 5

Monocytes were isolated from blood samples of critically ill patients with COVID-19 and healthy donors. These cells were stained with FAM-YVAD-FLICA (A, B) or propidium iodide (PI) (C, D). Plasma samples were analyzed for IL-1β levels (E). Western blotting, histogram and graphs data are representative of nine critically ill patients and eight healthy donors. Data are presented as the mean ± SEM *P < 0.05 versus healthy donors (HD).