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首页> 外文期刊>Chemico-biological interactions >Flavonoids suppress human glioblastoma cell growth by inhibiting cell metabolism, migration, and by regulating extracellular matrix proteins and metalloproteinases expression
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Flavonoids suppress human glioblastoma cell growth by inhibiting cell metabolism, migration, and by regulating extracellular matrix proteins and metalloproteinases expression

机译:类黄酮通过抑制细胞代谢,迁移以及调节细胞外基质蛋白和金属蛋白酶的表达来抑制人胶质母细胞瘤细胞的生长

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摘要

The malignant gliomas are very common primary brain tumors with poor prognosis, which require more effective therapies than the current used, such as with chemotherapy drugs. In this work, we investigated the effects of several polyhydroxylated flavonoids namely, rutin, quercetin (F7), apigenin (F32), chrysin (F11), kaempferol (F12), and 3',4'-dihydroxyflavone (F2) in human GL-15 glioblastoma cells. We observed that all flavonoids decreased the number of viable cells and the mitochondrial metabolism. Furthermore, they damaged mitochondria and rough endoplasmic reticulum, inducing apoptosis. Flavonoids also induced a delay in cell migration, related to a reduction in filopodia-like structures on the cell surface, reduction on metalloproteinase (MMP-2) expression and activity, as well as an increase in intra- and extracellular expression of fibronectin, and intracellular expression of laminin. Morphological changes were also evident in adherent cells characterized by the presence of a condensed cell body with thin and long cellular processes, expressing glial fibrillary acidic protein (GFAP). Therefore, these flavonoids should be tested as potential antitumor agents in vitro and in vivo in other malignant glioma models. (C) 2015 Elsevier Ireland Ltd. All rights reserved.
机译:恶性神经胶质瘤是非常常见的原发性脑肿瘤,预后较差,需要比目前使用的疗法(例如化学疗法药物)更有效的疗法。在这项工作中,我们研究了几种多羟基黄酮类化合物,如芦丁,槲皮素(F7),芹菜素(F32),菊花蛋白(F11),山奈酚(F12)和3',4'-二羟基黄酮(F2)的作用-15个胶质母细胞瘤细胞。我们观察到所有黄酮类化合物均减少了存活细胞的数量和线粒体代谢。此外,它们破坏线粒体和粗糙的内质网,诱导细胞凋亡。类黄酮还诱导细胞迁移延迟,这与细胞表面丝状伪足样结构的减少,金属蛋白酶(MMP-2)表达和活性的降低以及纤连蛋白在细胞内和细胞外表达的增加有关,以及层粘连蛋白的细胞内表达。粘附细胞的形态学变化也很明显,其特征是存在一个凝聚的细胞体,具有稀疏和长细胞过程,表达胶质原纤维酸性蛋白(GFAP)。因此,应在其他恶性神经胶质瘤模型中在体外和体内测试这些类黄酮作为潜在的抗肿瘤药。 (C)2015 Elsevier Ireland Ltd.保留所有权利。

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