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Green tea (Camellia sinensis, CS), a kind of Chinese tea commonly consumed as a healthy beverage, has been demonstrated to have various biological activities, including antioxidation, antiobesity and anticancer. Our study aims to investigate the antitumor, antimetastasis and antiosteolytic effects of CS aqueous extract both in vitro and in vivo using(More)
BACKGROUND Imperatorin (IM) is a furanocoumarin isolated from the root of Angelica dahurica, which is reported to have anticonvulsant and anticancer effects. In this study, the antiproliferative effect of IM on 9 human cancer cell lines was examined, and human hepatoma HepG2 cells were chosen as the target for preferential killing by IM. Particularly, the(More)
BACKGROUND/AIMS Coumarins are natural compounds found in many plants that possess medical value by itself and its modified derivatives. METHOD Six novel coumarin derivatives were synthesized and examined for their potential anticancer cytotoxicity. RESULT Among the 6 derivatives, 3,5-dimethyl-(7)H-furo[3,2-g]chromen-7-one (DMFC) presented the strongest(More)
During the search of new anti-cancer agent from high fungi, the ethyl acetate extract of the mushroom Suillus placidus was found to exhibit a significant cytotoxic activity against human hepatoma HepG2 cells. With bioassay-guided fractionation, a cytotoxic component suillin was isolated from the extract. The anti-cancer effect of suillin was subsequently(More)
In previous studies, we demonstrated that green tea (Camellia sinensis, CS) water extract had potent anti-tumor and anti-metastasis effects in the 4T1 mouse breast cancer xenograft model, and the metronomic regimen (0.0125 mg/kg twice a week for 4 weeks) of zoledronic acid (ZOL) was also effective in decreasing tumor burden and metastasis when compared with(More)
In previous studies, we demonstrated that the green tea Camellia sinensis (CS) water extract had potent antitumor and antimetastatic effects on 4T1 breast cancer. The metronomic regimen (0.0125 mg/kg twice a week for 4 weeks) of zoledronate (ZOL) was found to be effective in decreasing tumor burden and metastasis as compared with conventional regimen. The(More)
Osteoprotegerin (OPG) is a secreted member of the TNF receptor superfamily, which binds to the receptor activator of nuclear factor κB ligand (RANKL) and inhibits osteoclast activity and bone resorption. Systemic administration of recombinant OPG was previously shown to inhibit tumor growth in bone and to prevent cancer-induced osteolysis. In this study, we(More)
Epigallocatechin-3-gallate (EGCG), the bioactive polyphenol in green tea, has been demonstrated to have various biological activities. Our study aims to investigate the antiproliferation and antimigration effects of EGCG against bladder cancer SW780 cells both in vitro and in vivo. Our results showed that treatment of EGCG resulted in significant inhibition(More)
Coriolus versicolor (CV), a medicinal mushroom widely consumed in Asian countries, has been demonstrated to be effective in stimulation of immune system and inhibition of tumor growth. The present study aimed to investigate the anti-tumor and anti-metastasis effects of CV aqueous extract in mouse mammary carcinoma 4T1 cells and in 4T1-tumor bearing mouse(More)
This study aims to determine the effect of metronomic (0.0125 mg/kg twice a week for 4 weeks) zoledronic acid (ZOL) on cancer propagation and osteolysis against both metastatic and primary breast cancer in mice model. From our results, metronomic ZOL resulted in a significant reduction of tumor burden and did not promote lung or liver metastasis. The(More)