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. 2017 Aug 14;7:8004. doi: 10.1038/s41598-017-08336-9

Figure 1.

Figure 1

Gene expression analysis of 12 immunity-related genes, assessed by means of RT-qPCR, after 20 h stimulation of PBMCs with S. aureus strain ATCC 6538 or S. aureus phage ISP. Comparison of the immune response of the PBMCs, expressed as log2 fold change, after normalization with reference gene ACTB, as induced by the phage lysate, highly purified phage (undiluted and diluted hundredfold) or its bacterial host (i.e. S. aureus strain ATCC 6538). The immune response induced by the highly purified phage preparation is stronger than the one induced by the phage lysate. Diluting of the highly purified phage led to an almost complete reduction of the observed immune response, with the exception of CXCL5 and IL1B. A strong difference is present between the immune response induced by the phage compared to its bacterial host (i.e. S. aureus strain 6538).