Fig. 4.
Invasion assay with (a) EHT1864- and (b) C3 transferase-treated KB and OBA-9 cells. Values are expressed as a percentage of bacterial invasion of non-treated KB cells (designated 100 %). Error bars, sd. Asterisks indicate statistically significant differences relative to untreated cells (*, P<0.05; ***, P<0.001).
