The radiosensitization effects of Endostar on human lung squamous cancer cells H-520

Table 2 Cell cycle distribution in H-520 cell line after treatment with ES and irradiation(%, ± s)

Group	Treatment	G₀/G₁	S	G₂/M
0 h	No treatment	66.15 ± 1.01	28.18 ± 1.23	5.66 ± 0.22
12 h	ES	66.03 ± 1.46	30.66 ± 2.55	3.31 ± 1.10^a
	4Gy	47.27 ± 1.25^b	41.1 ± 1.67^c	11.63 ± 1.65^d
	ES+4Gy	58.62 ± 3.84^e	34.32 ± 2.88^f	7.06 ± 0.97
24 h	ES	72.36 ± 2.14^g	27.03 ± 1.71	0.61 ± 0.54^h
	4Gy	35.79 ± 1.43ⁱ	33.94 ± 1.79^j	30.23 ± 0.43^k
	ES+4Gy	57.34 ± 2.26^l	29.11 ± 2.39	13.55 ± 0.78^m
48 h	ES	82.72 ± 3.32ⁿ	15.06 ± 3.13^o	2.22 ± 0.94^p
	4Gy	48.85 ± 3.28^q	48.12 ± 2.10^r	3.03 ± 1.35^s
	ES+4Gy	57.78 ± 1.46^t	41.44 ± 1.08^u	0.78 ± 0.39^v

Compared with 0 h group, t = 3.63, ^aP < 0.05; t = 20.36,^bP < 0.01; t = -10.79,^cP < 0.01; t = -6.22, ^dP < 0.01; t = 3.29, ^eP < 0.05; t = -3.40, ^fP < 0.05; t = -4.54, ^gP < 0.05; t = 14.94, ^hP < 0.01; t = 30.12, ⁱP < 0.01; t = -4.60, ^jP < 0.05; t = -87.69, ^kP < 0.01; t = 6.17, ^lP < 0.01; t = -16.92, ^mP < 0.01; t = -8.28, ⁿP < 0.01; t = 6.76, ^oP < 0.01; t = 6.15, ^pP < 0.01; t = 8.75, ^qP < 0.01; t = -14.18, ^rP < 0.01; t = 3.33, ^sP < 0.05; t = 8.16, ^tP < 0.01; t = -14.08, ^uP < 0.01; t = 18.82,^vP < 0.01.

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