岩藻黄质
PI3K/AKT/mTOR通路
蛋白激酶B
细胞凋亡
细胞生长
生物
活力测定
癌细胞
细胞生物学
癌症研究
生物化学
癌症
类胡萝卜素
遗传学
作者
Yan Li,Leisi Tao,Lei Bao,Arunachalam Chinnathambi,Sulaiman Ali Alharbi,Jian‐Ying Cui
摘要
Background: Fucoxanthin is rich in seaweed and considered the most efficient anticancer drug because of its powerful antioxidant properties. The aim of this study was to elucidate the role of fucoxanthin on apoptosis via signaling pathway in ovarian cancer cells. First, fucoxanthin exhibited obvious cytotoxicity against A2780 human ovarian cancer cells. Materials and Methods: We established the action potential of fucoxanthin on cell proliferation in addition to apoptosis in A2780 cells, which were measured using reactive oxygen species (ROS) generation and the mitochondrial membrane potential (MMP). Apoptotic-related morphological alterations were inspected by acridine orange/EtBr dual staining. In addition, we analyzed caspase family protein expression by enzyme-linked immunosorbent assay analysis. Results: Our results established that fucoxanthin stimulates apoptosis as confirmed through reduced cell viability, improved production of ROS, and altered MMP in A2780 cells. Further, the fucoxanthin upregulates the expression of caspase (3, 8, and 9) protein experimentally in A2780 cell. In addition, we uncovered upstream signaling cascade (Akt/mTOR) induced by incubation A2780 cell lines with fucoxanthin that mediated cell apoptosis, migration, and invasion process. Conclusion: These findings suggest that fucoxanthin augments apoptosis; reduces cell proliferation, migration, and invasion; and reveals a potential mechanism of fucoxanthin-mediated Akt/mTOR suppression in human ovarian cancer cell line. Hence, fucoxanthin could be reflected as a potential therapeutic agent for ovarian cancer treatment.
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