Chinese Herbal Mixture, Tien-Hsien Liquid, Induces G2/M Cycle Arrest and Radiosensitivity in MCF-7 Human Breast Cancer Cells through Mechanisms Involving DNMT1 and Rad51 Downregulation

Table 2

Cell cycle phase distribution (%) of 72-hour THL-treated MDA-MB-231 cells showing G2/M arrest.

Treatment	SubG1 (%)	Cell cycle distribution
		G1 (%)	S (%)	G2/M (%)
PBS	0.6	50.4	22.6	27.1
THL 0.75 mg/mL	0.5	48.8	22.5	28.7
THL 1.5 mg/mL	0.6	50.5	21.7	27.8
THL 3 mg/mL	2.3	47.7	20.4	31.9
THL 6 mg/mL	2.1	28.2	19.3	52.5