rhein induces a necrosis-apoptosis switch in pancreatic acinar cells
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ID: 201973
2014
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Abstract
Objectives. The Chinese herbal medicine Da-Cheng-Qi decoction can regulate a necrosis-apoptosis switch in injured pancreatic acinar cells. This study investigated the effects of rhein, a component of this medicine, on a necrosis-apoptosis switch in pancreatic rat AR42J cells. Methods. Cerulein-treated AR42J cells were used. After pretreatment with 479, 119.8, or 29.9 μg/L rhein, cells were cocultured with rhein and cerulein (10−8 M) for 4, 8, or 16 h. Apoptosis and necrosis were examined using annexin V and propidium iodide costaining. Mitochondria-dependent apoptosis-associated proteins were examined using enzyme-linked immunosorbent assays and western blotting. Results. Few cells died in untreated samples. The number was significantly higher in 16-h-cerulein-treated samples and treatment with 479 μg/L rhein most effectively increased the apoptotic-to-necrotic cell ratio (P<0.05). In cerulein-treated cells, rhein increased the concentrations of p53, cytochrome C, and caspase-3, and increased the Bax/Bcl-2 ratio in a time- and dose-dependent manner, with the maximum effect in cells treated with 479 μg/L rhein for 16 h (P<0.05). Conclusions. Rhein induces the necrosis-apoptosis switch in injured pancreatic acinar cells in a time- and dose-dependent manner. Mitochondria-dependent apoptosis signaling pathways might play an important role in this effect.
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| Reference Key |
zhao2014evidence-basedrhein
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|---|---|
| Authors | ;Xianlin Zhao;Juan Li;Shifeng Zhu;Yiling Liu;Jianlei Zhao;Meihua Wan;Wenfu Tang |
| Journal | ACS applied materials & interfaces |
| Year | 2014 |
| DOI |
10.1155/2014/404853
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| URL | |
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