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Docosahexaenoic acid inhibits aflatoxin B1-induced migration and invasion in hepatocellular carcinoma cells in vitro / 南方医科大学学报
Journal of Southern Medical University ; (12): 952-956, 2016.
Article in Chinese | WPRIM | ID: wpr-286867
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the effect of docosahexaenoic acid (DHA) on invasiveness of aflatoxin B1 (AFB1)-induced hepatocellular carcinoma cells in vitro.</p><p><b>METHODS</b>HepG2.2.15 cells were exposed to different concentrations of AFB1 and DHA plus AFB1. The cell migration and invasion were assessed using wound-healing and Transwell assay, and flow cytometry was used to analyze the cell cycle changes. The ultrastructural changes of the cells were observed by transmission electron microscopy.</p><p><b>RESULTS</b>Compared with the control group, the cells exposed to2 µmol/L AFB1 showed obviously enhanced migration and invasion with decreased cell ratio in G1/G1 phase and increased cell ratio in G2/M phase but no changes in S phase cells; transmission electron microscopy revealed the presence of multiple nucleoli and significantly increased mitochondria and Golgi apparatus in the exposed cells. Compared with AFB1-exposed cells, the cells treated with DHA and AFB1 showed decreased migration and invasion abilities, and the G1/G1 phase cells increased and G2/M phase cells decreased significantly; ultrastructurally, the cells contained single nucleoli with decreased mitochondria and vacuolization occurred in the cytoplasm.</p><p><b>CONCLUSION</b>DHA can significantly inhibit AFB1-induced enhancement of cell migration and invasion in hepatocellular carcinoma cells in vitro.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Pharmacology / Cell Cycle / Cell Movement / Docosahexaenoic Acids / Aflatoxin B1 / Carcinoma, Hepatocellular / Hep G2 Cells / Golgi Apparatus / Liver Neoplasms Limits: Humans Language: Chinese Journal: Journal of Southern Medical University Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Pharmacology / Cell Cycle / Cell Movement / Docosahexaenoic Acids / Aflatoxin B1 / Carcinoma, Hepatocellular / Hep G2 Cells / Golgi Apparatus / Liver Neoplasms Limits: Humans Language: Chinese Journal: Journal of Southern Medical University Year: 2016 Type: Article