Macrophage Phagocytosis Assay

KK Kosuke Kato
RU Reina Uchino
EL Erik P. Lillehoj
KK Kenneth Knox
YL Yong Lin
KK K. Chul Kim
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Heat-killed and glutaraldehyde-fixed green fluorescent protein–Pa or FITC-labeled E. coli (Life Technologies) were incubated for 2 hours (for THP-1 cells, mBMDMs, and mPMs) or 6 hours (for mAMs) at various bacteria:macrophage ratios in 96-well plates. The cells were washed, incubated for 1 minute with 0.4% trypan blue to quench extracellular fluorescence, and washed again, and intracellular fluorescence intensity was quantified by fluorometry.

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