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BACKGROUND Chemotherapy has been assuring more important roles in the treatment of carcinoma. Developing new types of drugs with less adverse effects and low drug resistance has become an important researching focus. The present study aimed to investigate the anticancer effects of 5-hydroxy-4'-nitro-7-propionyloxy-genistein (HNPG) and to elucidate its underlying molecular mechanism. MATERIAL AND METHODS The inhibitory effects of cell viability of HNPG were detected using 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) assay, flat plate clone formation method, and Transwell assay. The distribution of cell cycle was analyzed using flow cytometry (FCM) method. The morphological alteration, root-mean-squared roughness (Rq), average roughness (Ra), Young's modulus, and adhesive force were measured by atomic force microscope (AFM) assay. Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot analysis were used to explore the possible molecular mechanism. RESULTS We found that HNPG had dramatic activity against Ji Endometrial cells (JEC) in vitro, inhibited the proliferation and colony formation, attenuated invasion and migration ability, and arrested cell cycle in G1 phase, all in a dose-dependent manner. Simultaneously, cell bodies shrunk, pseudopod structures retracted, Rq and Ra were reduced, and Young's modulus and adhesive force increased, accompanied by downregulation of β-catenin, C-Myc, Cyclin D1, matrix metalloprotease 2 (MMP-2), matrix metalloprotease 7 (MMP-7), and matrix metalloprotease 9 (MMP-9). CONCLUSIONS HNPG dramatically inhibited invasion and metastasis of JEC cells in vitro. Its molecular mechanism might be related to inactivation of the wnt/β-catenin signal pathway, accumulated cells in G1/S phase, inhibited cell proliferation, improved adhesive force between cells, and reduced cell plasticity and elasticity.

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5-Hydroxy-4’-Nitro-7-Propionyloxy-Genistein Inhibited Invasion and Metastasis via Inactivating Wnt/b-Catenin Signal Pathway in Human Endometrial Carcinoma Ji Endometrial Cells