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. 2013 Jul 31;8(7):e70002. doi: 10.1371/journal.pone.0070002

Figure 4. Effect of FB1 on OxPL induced CerS activation and ceramide levels.

Figure 4

(A) Raw 264.7 cells were pre-incubated with FB1 (20 µM) for 2 h prior to the 24 h OxPL treatment. Lipids were extracted and ceramide levels were analyzed as described under “Experimental Procedure”. No probability values are given for total ceramide levels because these levels are the sum of ceramide species with different acyl chain lengths. (B) Ceramide species were analyzed as earlier. The data are means ± S.E., *p < 0.05, **p < 0.01 compared with control, n = 4.