Cytokine release assay

MZ Marta Zapotoczna
EM Ewan J. Murray
SH Siobhan Hogan
JO James P. O’Gara
SC Siri R. Chhabra
WC Weng C. Chan
EO Eoghan O’Neill
PW Paul Williams
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EDTA-treated human blood was incubated in microtitre wells containing either S. aureus USA300 biofilm, 5HE-C14-TMA (at 256 mg/L) only or biofilm with 5HE-C14-TMA (at 256 mg/L) and incubated for 2 h at 37 °C. Plasma samples were collected by centrifugation (1000 g) and assayed for human cytokines using a Bio-Plex 200 (Bio-Rad). A standard curve was employed to maximize sensitivity for samples containing low cytokine levels. At least three different donor blood samples (with three replicates for each) were used.

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