Fig. 5From: Substance P enhances lactic acid and tyramine production in Enterococcus faecalis V583 and promotes its cytotoxic effect on intestinal Caco-2/TC7 cells a Viability of Caco-2/TC7 cells and b IL-8 secretion after infection with E. faecalis V583 exposed to SP. Black infection with untreated bacteria, grey infection with E. faecalis V583 exposed to 10−6 M SP, *P < 0.05 versus untreated bacteria. Results are the mean ± SEM of at least three independent experimentsBack to article page