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[Effect of juglone on the ultrastructure of human liver cancer BEL-7402 cells]. | LitMetric

[Effect of juglone on the ultrastructure of human liver cancer BEL-7402 cells].

Nan Fang Yi Ke Da Xue Xue Bao

Laboratory Animal Center and Institute of Comparative Medicine, Southern Medical University, Guangzhou, China.

Published: June 2009

AI Article Synopsis

Article Abstract

Objective: To study the effect of juglone on the ultrastructure of human liver cancer BEL-7402 cells.

Methods: BEL-7402 cells were incubated in the presence of 12.5 micromol/L juglone for 24 h, and fixed in 2.5% glutaraldehyde for HE staining and Coomassie brilliant blue staining and scanning electron microscopy.

Results: Incubation with juglone resulted in obvious changes in the cell morphology and cytoskeletal alterations of the cells. Scanning electron microscopy revealed reduced volume of the cell bodies, dissociation of the cells, curling and malformation of the microvilli on the cell surface with rupture of the intercellular junction and enlargement of the intercellular space. The formation of apoptotic bodies was observed. Transmission electron microscopy showed expansion of the endoplasmic reticula, mitochondrial cristea disintegration, nucleolar fragmentation and formation of the apoptotic bodies after the exposure to juglone for 24 h.

Conclusion: Juglone can cause ultrastructural changes of human liver cancer BEL-7402 cells and induce their apoptosis.

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