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Selective toxicity of chrysin on mitochondria isolated from liver of a HCC rat model

机译:HCC大鼠模型肝脏裂解中蛹对线粒体的选择性毒性

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Flavonoids are natural compounds that show various biological effects, such as the anti-cancer effect. Chrysin is a flavonoid compound found in honey and propolis. Studies have shown that chrysin has anti-cancer activity due to induction of apoptosis signaling. In the present study, we examined the cytotoxic effect of chrysin against liver mitochondria obtained from the hepatocellular carcinoma (HCC) rat model. Diethylnitrosamine (DEN) and 2-acetylaminofluorene (2-AAF) was used for induction of HCC. Mitochondria were isolated from liver hepatocytes using differential centrifugation. Then, hepatocytes and mitochondria markers related to apoptosis signaling were investigated. Our finding indicated an increase in mitochondrial reactive oxygen species (ROS) generation, collapse in the mitochondrial membrane potential (MMP), swelling in mitochondria, and cytochrome c release (about 1.6 fold) after exposure of mitochondria obtained from the HCC rats group with chrysin (10, 20, and 40 mu M) compared to the normal rats group. Furthermore, Chrysin was able to increase caspase-3 activity in the HCC rats group (about 2.4 fold) compared to the normal rats group. According to the results, we proposed that chrysin could be considered as a promising complementary therapeutic candidate for the treatment of HCC, but it requires a further in vivo and clinical studies.
机译:黄酮类化合物是呈各种生物效应的天然化合物,例如抗癌作用。 Chrysin是一种在蜂蜜和蜂胶中发现的黄酮类化合物。研究表明,由于诱导凋亡信号传导,Chrysin具有抗癌活性。在本研究中,我们检查了蛹对肝细胞癌(HCC)大鼠模型获得的肝线粒体的细胞毒性作用。二乙基硝基胺(DEN)和2-乙酰氨基氟烯(2-AF)用于诱导HCC。使用差动离心从肝肝细胞中分离线粒体。然后,研究了与凋亡信号传导相关的肝细胞和线粒体标记。我们的发现表明线粒体反应性氧物质(ROS)产生的增加,线粒体膜电位(MMP)塌陷,线粒体肿胀,细胞色素C释放(约1.6倍)在与Chrysin获得的线粒体暴露后(10,20和40μm)与正常大鼠组相比。此外,与正常大鼠组相比,Chrysin能够在HCC大鼠基团(约2.4倍)中增加Caspase-3活性。根据结果​​,我们提出蛹可以被视为治疗HCC的有前途的互补治疗候选者,但它需要进一步体内和临床研究。

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