Farnesyl caffeate, synthesis of propolis and polar bud excretion, has been reported to exhibit anti-allergic effects in mice. However, little is known about anti-tumor effects. In this study, we investigated the effect of Farnesyl caffeate in cell proliferation of lung carcinoma cell line (H157). Antiproliferative effect and apoptosis on H157 cell were evaluated using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide assay (MTT) and DNA fragmentation assay, respectively. Farnesyl caffeate inhibited the growth of H157 cell in dose-dependent manner. Morphological changes of nuclei by staining Hoechst 33258 and DNA fragmentation suggested that Farnesyl caffeate induced death involved in a mechanism of apoptosis. Moreover, caspase-3, caspase-7 and caspase-9 were activated by Farnesyl caffeate on H157 cell. The protein expressions of Bax and Bcl-2 were down-regulated by Farnesyl caffeate, resulting in cytochrome c release from the mitochondria. Farnesyl caffeate significantly increased the expression of p53 proteins which indicates that p53 plays a pivotal role in the initiation phase of Farnesyl caffeate-induced HepG2 cell apoptosis. These results demonstrated Farnesyl caffeate-induced apoptosis in human lung carcinoma cell line. More detailed mechanism of Farnesyl caffeate-induced H157 apoptosis remains to be elucidated.
Home Effect of Farnesyl Caffeate-Induced Apoptosis of Lung Carcinoma Cell Line from Damage to DNA
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