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PsA inhibited colon cancer cell proliferation. Subsequent to incubation with 5 ng/µl PsA, 5 ng/µl 5-FU or 2.5 ng/µl 5-FU + 2.5 ng/µl PsA, the viability of HT-29 cells was measured by CCK-8 assay. Data were obtained from 3 independent experiments. *P<0.05 vs. vehicle control at the same time point. PsA, Pulsatilla saponin A; 5-FU, fluorouracil; Con, control.
