REAGENT or RESOURCE SOURCE IDENTIFIER Antibodies CD14-FITC (RMO52 clone) Beckman Coulter Cat#IM0645U; RRID: AB_130992 CD45-PC5 (J33 clone) Beckman Coulter Cat#IM2653U; RRID: AB_10641226 HLA-DR-RD1 (9-49 clone) Beckman Coulter Cat#6604366; RRID: AB_2832962 IgG1-PE isotype control (679.1Mc7 clone) Beckman Coulter Cat#A07796; RRID: AB_2832963 IgG1-FITC isotype control (679.1Mc7 clone) Beckman Coulter Cat#A07795; RRID: AB_2832964 CD3-FITC/CD4-PE Antibody Cocktail (UCHT1/13b8.2 clones) Beckman Coulter Cat#A07733; RRID: AB_2832965 CD3-FITC/CD8-PE Antibody Cocktail Beckman Coulter Cat#A07734; RRID: AB_2832966 CD3-FITC/CD(16+56)-PE Antibody Cocktail (UCHT1/3G8/N901 (NKH-1)) Beckman Coulter Cat#A07735; RRID: AB_1575965 CD19-FITC/CD5-PE Antibody Cocktail Beckman Coulter Cat#IM1346U; RRID: AB_2832967 Quantibrite Anti-HLA-DR/Anti-Monocyte (L243/MϕP9) BD Biosciences Cat#340827; RRID: AB_400137 Mouse Anti-Human IL-6-PE (AS12 clone) BD Biosciences Cat#340527; RRID: AB_400442 Chemicals, Peptides, and Recombinant Proteins VersaLyse Lysing Solution Beckman Coulter A09777 Fixative Solution Beckman Coulter A07800 eBioscience™ Brefeldin A Solution (1000x) Invitrogen 00-4506-51 IntraPrep Permeabilization Reagent Beckman Coulter A07802 RPMI 1640 W/ Stable Glutamine W/ 25 MM HEPES Biowest L0496 Lymphosep, Lymphocyte Separation Media Biowest L0560 PBS Dulbecco’s Phosphate Buffered Saline w/o Magnesium, w/o Calcium Biowest L0615 FBS Superior; standardized Fetal Bovine Serum, EU-approved Biochrom S0615 Gentamycin Sulfate BioChemica PanReac AppliChem A1492 Penicillin G Potassium Salt BioChemica PanReac AppliChem A1837 Lipopolysaccharides from Escherichia coli O55:B5 Sigma-Aldrich L2880 Critical Commercial Assays Human IL-1β uncoated ELISA Invitrogen 88-7261 Human TNF-α uncoated ELISA Invitrogen 88-7346 Human IL-6 ELISA Invitrogen 88-7066 Human IL-17A (homodimer) uncoated ELISA Invitrogen 88-7176 Human Ferritin ELISA ORGENTEC Diagnostika GmbH ORG 5FE Human IFN-γ ELISA Diaclone 950.000.192 Software and Algorithms GraphPad Prism Graphpad Software https://www.graphpad.com SPSS IBM https://www.ibm.com/analytics/spss-statistics-software