Table 1. C-9 protects HGEC viability from Stx2 toxic effect but not from SubAB.

C-9 (µM)	Viability(%)			Cytotoxicity protection (%)
	C-9, 48 h	C-9 48 h, SubAB 24 h	C-9 48 h, Stx2 24 h
0	94.0 ± 1.2	77.2 ± 4.5	54.0 ± 1.5	0
0.05	80.1 ± 7.3	75.0 ± 7.2	72.1 ± 4.3*	70
0.5	85.0 ± 3.6	75.2 ± 4.5	87.0 ± 10.0*	100
1	87.5 ± 3.5	73.0 ± 6.3	87.3 ± 7.3*	100
5	83.2 ± 8.6	72.0 ± 7.5	93.0 ± 8.5*	100

^*P<0.05, n 4 [C-9 48h, Stx2 24h] vs Stx2