Table 1.

A summary of data obtained for U87MG cells in treated samples under TMZ and gamma-rays (IR) alone or combined. Data shows mean values obtained from triplicate experiments. SD is the standard deviation of mean values

Groups	Mean±SD					P value
	Control	Control solvent	TMZ (2,000 µM)	IR (5 Gy)	TMZ+IR
Times
24 hrs	1.15±0.15	1.26±0.35	0.78±0.03	0.69±0.09	0.55±0.16	0.009
48 hrs	1.17±0.17	0.92±0.05	0.63±0.11	0.72±0.14	0.53±0.10	0.016
72 hrs	1.23±0.19	1.20±0.29	0.73±0.08	0.64±0.10	0.40±0.05	0.015