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Effects of Cynanchum wilfordii Hemsley, Phlomis umbrosa Turczaninow, and Angelica gigas Nakai extract (CPAE) on MCF-7 cell growth. MCF-7 cells were exposed to CPAE (100 μg/mL), estradiol (E2; 10 nM), ICI 182,780 (ICI, 10 μM) or a combination of these compounds for 24 hr. Cell proliferation was measured using water-soluble tetrazolium (WST)-1 assay. Bars represent mean ± SD. #P < 0.05 vs. control and *P < 0.05 vs. E2.
