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Suppressed expression of COX2 in HL-60 cells by water extracts of I'm-Yunity™ (PSP). Control and treated cells were harvested and expression of COX2 was determined quantitatively by real-time PCR (panel A) and semi-quantitatively by RT-PCR (panel B). Semi-quantitative expression of COX2 in panel B was also adjusted using expression of GAPDH and presented as fold differences, with 1 representing the value in control cells.
