Table 1. Radiation dose enhancement ratios for cytolethal distending toxin.

shVector				shDAB2IP
SF	IR (Gy)	CDT+IR	DER	SF	IR (Gy)	CDT+IR	DER
0.1	7.00	6.23	1.12	0.1	11.74	5.71	2.05
0.2	6.22	5.51	1.13	0.2	10.47	5.06	2.07
0.3	5.45	4.78	1.14	0.3	9.20	4.40	2.09
0.4	4.68	4.05	1.15	0.4	7.93	3.74	2.12
0.5	3.91	3.33	1.17	0.5	6.67	3.08	2.16
0.6	3.14	2.60	1.21	0.6	5.40	2.42	2.23

SF: surviving fraction; IR; ionizing radiation; CDT: cytolethal distending toxin; DER: dose enhancement ratio.