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. 2017 Sep 20;15(9):294. doi: 10.3390/md15090294

Figure 1.

Figure 1

MP-A structure and effects of MP-A on cell viability and nitric oxide (NO) production of THP-1 cells with and without lipopolysaccharide (LPS) treatment. (A) MP-A structure; (B) Effects of 24, 48, and 72 h of MP-A and/or LPS treatment on THP-1 cell cytotoxicity. * p < 0.05 as compared to the control group (n = 3); (C) Effect of MP-A treatment on NO production in THP-1 cells with or without LPS. NO production was inferred from the level of nitrite formed in the supernatant, as detected using the Griess reagent. The absorbance of treated cells at 540 nm was measured against distilled water using the Griess reagent as a blank, and sodium nitrite as a standard sample. ** p < 0.01, *** p < 0.001, and **** p < 0.0001 compared with 1 μg/mL LPS treatment group (n = 3).