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8 protocols using cd45 hi30

1

Multiparameter Flow Cytometry Panel

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Cell suspensions were incubated with LIVE/DEAD Fixable Aqua Dead Cell Stain Kit (Life Technologies). Fc receptors were blocked using FcR block (Miltenyi) followed by staining with antibodies against surface molecules CD1c (AD5‐8E7; Miltenyi), CD3 (SP34‐2 and SK7; BD), CD11c (B‐Ly6; BD), CD14 (M5E2; BD), CD16 (3G8; Biolegend), CD19 (HIB19; Biolegend), CD20 (L27; BD), CD45 (HI30; Biolegend), CD56 (HCD56; Biolegend), CD66abce (TET2; Miltenyi), CD80 (2D10; Biolegend), CD123 (7G3; BD), CD141 (AD5‐14H12; Miltenyi), CCR7 (G043H7; Biolegend), and HLA‐DR (G46‐6; BD) for 15 min at 4°C in PBS with 2% FCS and fixed with 1% paraformaldehyde. Cells were analyzed using an LSRII flow cytometer (BD) and data were analyzed using FlowJo X software (Tree Star).
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2

Multiparameter Immune Cell Profiling

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CD45 (HI30); MerTK (2B10C42); CD14 (M5E2); CD64 (10.1); CCR2 (K036C2); HLA-DR (L243).
All antibodies listed above were purchased from Biolegend with the exception of CCR2 (475301) (R&D Systems), Lyve1 (ALY7) (eBiosciences) and B220 (RA3–6B2); BV421-SA (BD Biosciences). Antibody clone is provided in parentheses. For more details see the Life Sciences Reporting Summary
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3

Isolation and Purification of T-Cell Subsets

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Patients’ blood was collected in heparin tubes (40–50 ml in total), and peripheral blood mononuclear cells (PBMCs) were isolated by density gradient centrifugation using Ficoll density gradient medium (GE Healthcare Bio-Sciences AB, Uppsala, Sweden). CD4+ cells and CD8+ cells were isolated from the PBMCs via positive selection using CD4 or CD8 MicroBeads on an autoMACS® Pro Separator (Miltenyi Biotec Norden AB, Lund, Sweden). Flow cytometry was used to determine the purity of some of the sorted T-cell samples, and over 90% of CD45+ cells expressed CD4 (n = 5) or CD8 (n = 5). The following antibodies were used: CD45 (HI30; BioLegend, San Diego, CA, USA), CD4 (OKT4; BioLegend), and CD8 (SK1; BD Biosciences, Stockholm, Sweden).
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4

Multiparameter Immune Cell Profiling

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CD45 (HI30); MerTK (2B10C42); CD14 (M5E2); CD64 (10.1); CCR2 (K036C2); HLA-DR (L243).
All antibodies listed above were purchased from Biolegend with the exception of CCR2 (475301) (R&D Systems), Lyve1 (ALY7) (eBiosciences) and B220 (RA3–6B2); BV421-SA (BD Biosciences). Antibody clone is provided in parentheses. For more details see the Life Sciences Reporting Summary
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5

Characterization of Dermal APCs upon Plasmodium Stimulation

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Lysed single cell skin suspensions were counted and plated out in 48 well plates at 2*105 cells per well. Cells were stimulated with mCherry expressing Pb or Wild-type Pf SPZ for 1 hour (Pb uptake experiments) or 24 hours (Pb and Pf stimulated dermal APC phenotyping). Cells were stained with 7AAD live/dead dye (uptake) or with Aqua fixable live/dead dye (Thermo Fischer Scientific; phenotyping), CD45 (HI30; Biolegend), HLA-DR (L243; eBioscience), CD11c (Bu15, Biolegend), PD-L1 (MIH1; BD Biosiences), CD80 (L307.4; BD Biosciences) and analyzed by Flow Cytometry using an LSRFortessa (BD Biosciences). Data was analyzed in FlowJo version 9.9.6 (FlowJo LLC). Gates were set using ‘fluorescence minus one’ (FMO) stained control samples.
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6

Multiparametric Phenotyping of Decidual Leukocytes

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1-2 X 106 fresh decidual leukocytes were washed with PBS and stained using the following cocktail of antibodies: CD45 (HI30, Biolegend), CD66b (G10F5, BioLegend), CD20 (2H7, BioLegend), CD4 (OKT4, BioLegend), CD8b (2ST8.5H7, Beckman Coulter), CD14 (M5E2, BioLegend), HLA-DR (L243, BioLegend), CD56 (HCD56, Biolegend), CD16 (3G8, BioLegend), CD11c (3.9, ThermoFisher Scientific), CD123 (6H6, BioLegend), for 20 min in dark at 4C. Samples were washed twice in FACS buffer and resuspended in 400 uL. All samples were acquired with the Attune NxT Flow Cytometer (ThermoFisher Scientific, Waltham MA), immediately after addition of SYTOX Red Dead Cell Stain (1:1000). Data were analyzed using FlowJO (Ashland OR).
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7

Multiparameter Analysis of PBMC and Blister NK Cells

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Multiparameter analysis of PBMC and blister NK cell phenotype was performed on an ARIA II (BD Biosciences). PBMCs and blister cells were stained with different combinations of antibodies specific to human CD3(UCHT1;Biolegend), CD8(HIT8a;Biolegend), CD16(3G8;Biolegend), CD45(HI30;Biolegend), CD56(MEM-188;Biolegend), CD62L(DREG-56;Biolegend), CD69(FN50;Biolegend), CD107a(H4A3;Biolegend), NKG2D(1D11;Biolegend), CXCR6(K041E5;Biolegend), T-bet(04–46; BD), and EOMES(WD1928;ThermoFisher). All surface staining was performed for 30 min on ice after prior incubation of cells with Human Fc block and Murine Fc block (BD) for 10 minutes on ice. Following surface staining, cells were fixed and permeabilized using Foxp3 Transcription Factor Fixation/Permeabilization Concentrate and Diluent Kit (eBiosciences, Thermo Fisher), as per the manufacturers protocol, and stained for the expression of the transcription factors T-bet and Eomes. Fluorescence minus one control stains were performed using PBMC to verify the staining specificity and as a guide for setting markers to delineate positive and negative populations. Gating was set on the live lymphocyte population using forward- and side-scatter profiles to include lymphocytic blasts, followed by single cell gating using forward- and side-scatter heights and widths, before identification of hematopoietic cells using human CD45 staining.
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8

Comprehensive Immune Profiling of Decidual Leukocytes

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1–2 × 106 fresh decidual leukocytes were washed with PBS and stained using the following cocktail of antibodies: CD45 (HI30, Biolegend), CD66b (G10F5, BioLegend), CD20 (2H7, BioLegend), CD4 (OKT4, BioLegend), CD8b (2ST8.5H7, Beckman Coulter), CD14 (M5E2, BioLegend), HLA-DR (L243, BioLegend), CD56 (HCD56, Biolegend), CD16 (3G8, BioLegend), CD11c (3.9, ThermoFisher Scientific), CD123 (6H6, BioLegend), for 20 minutes in dark at 4C. Samples were washed twice in FACS buffer and resuspended in 400 uL. All samples were acquired with the Attune NxT Flow Cytometer (ThermoFisher Scientific, Waltham MA), immediately after addition of SYTOX Red Dead Cell Stain (1:1000). Data were analyzed using FlowJO (Ashland OR).
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