Table 2.

Quantitative analysis of normalized γ-H2AX signal intensity in mitotic and interphase cells

	Interphase population		Mitotic population
Cell linea	Mean ± SEMb	nc	Mean ± SEM	n	p Valued
HeLa	0.120 ± 0.006	226	0.397 ± 0.040	36	<0.0001
M059K	0.130 ± 0.006	483	0.721 ± 0.100	19	<0.0001
M059J	0.185 ± 0.006	400	0.644 ± 0.053	27	<0.0001
GM38	0.085 ± 0.005	182	0.385 ± 0.069	20	<0.0001
AT2BE	0.308 ± 0.050	141	0.340 ± 0.066	13	0.848
AT5BI	0.648 ± 0.012	305	0.698 ± 0.054	26	0.257
EBS	0.254 ± 0.050	392	0.278 ± 0.048	27	0.292
YZ5	0.205 ± 0.013	457	0.654 ± 0.123	31	<0.0001

^aM059J are DNA-PK_cs deficient, AT2BE,AT5BI and EBS are ATM defective, and YZ5 are ATM corrected.

^bMean Norm-γ-H2AX signal intensity ± SEM.

^cn, number.

^dA p value <0.05 is considered to be statistically significant.