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. Author manuscript; available in PMC: 2023 Apr 15.
Published in final edited form as: J Immunol. 2022 Apr 4;208(8):1857–1872. doi: 10.4049/jimmunol.2101123

Figure 4. Classical monocyte response to SARS-CoV-2 proteins in pregnant and non-pregnant women.

Figure 4.

Peripheral blood samples were collected from non-pregnant (n = 20, indicated in blue) and pregnant (n = 20, indicated in red) women to isolate peripheral blood mononuclear cells (PBMCs) for in vitro stimulation with SARS-CoV-2 proteins. Flow cytometry was performed to determine the expression of activation markers by classical monocytes. (A) Heatmap representations showing the expression of activation markers by classical monocytes after stimulation with SARS-CoV-2 proteins or the mutant S1 variant S1D614G. Mean fluorescence intensity (MFI) of (B) CD181 expression and (C) CX3CR1 expression by classical monocytes from pregnant (red symbols) and non-pregnant (blue symbols) women in response to SARS-CoV-2 proteins (circles) or control (triangles). *p < 0.05; **p < 0.01; ***p < 0.001. (+) Stimulated, (−) Control.