Figure 1From: Discovery and antitumor activities of constituents from Cyrtomium fortumei(J.) Smith rhizomesEffect of PPI on proliferation of tumor cells. After MGC-803, PC3, and A375 cells were treated with PPI for 72 h in the concentration varied from 1.25 to 50 μM, growth inhibition of those tumor cells was detected by MTT assay.Back to article page