Figure 1: FKN levels in culture supernatant of HK-2 cells at 0, 4, 12 and 24 h. Cells were incubated with LPS (◆), MP (▲), SC514 (＊), MP+LPS (●), SC-514+MP (■). *P<0.01 compared to control, MP, SC-514, MP+LPS and SC- 514+LPS treated cells.