Human monocyte-derived dendritic cells (mDC) were generated from CD14+ monocytes isolated from human PBMC by magnetic bead separation (Miltenyi) and were differentiated by culturing for 6-days in RPMI1640 (Lonza) 5% FCS (Biosera) supplemented with 20 ng/ml GM-CSF (Life Technologies) and 4 ng/ml IL-4 (BD Biosciences) as described previously (8 (link)). CGD donors were recruited at the Royal Free Hospital, London and age and sex matched to healthy donors recruited at the University of Cambridge, in accordance with ethical rules set out by each institution. Human CD1c+ DC were isolated from PBMC by magnetic bead separation (Miltenyi). Murine bone marrow-derived dendritic cells (BMDC) were generated by culturing cells isolated from bone marrow of wildtype (TSLPR+/+) and TSLPR knockout (TSLPR−/−) BALB/c mice for 7-days in RPMI1640 10% FCS supplemented with 5% X63 conditioned media and 10 ng/ml IL-4 (Peprotech).
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