Fig. 1From: Myeloid-derived suppressor cell function and epigenetic expression evolves over time after surgical sepsisPhenotypic classification of MDSCs. Gating strategy used to classify CD33+CD11b+HLA-DR−/low MDSC populations in the human whole blood using samples stained according to the protocol and analyzed on the LSR II flow cytometer. Monocytic MDSC subpopulations were further characterized as CD14+ and granulocytic MDSCs as CD14−CD15+Back to article page