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Depression: 21st Century Solutions + The Dark Side of Wheat

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Article Publish Status: FREE
Abstract Title:

Low concentration of quercetin antagonizes the invasion and angiogenesis of human glioblastoma U251 cells.

Abstract Source:

Onco Targets Ther. 2017 ;10:4023-4028. Epub 2017 Aug 11. PMID: 28860810

Abstract Author(s):

Yue Liu, Zhen-Gang Tang, Jian-Quan Yang, Yi Zhou, Ling-Hu Meng, Heng Wang, Cai-Li Li

Article Affiliation:

Yue Liu

Abstract:

Glioblastoma is the most aggressive type of brain tumor with a very poor prognosis. Therefore, it is always of great importance to explore and develop new potential treatment for glioblastoma. Quercetin, a flavonoid present in a variety of human foods, has been shown to inhibit various tumor cell proliferation. In this study, we found that treating human glioblastoma U251 cells with 10μg/mL quercetin for 24 hours, a concentration that was far below the IC50 (113.65 μg/mL) and at which quercetin failed to inhibit cell proliferation, inhibited cell migration (30%) and cell invasion as examined by wound scratch assay and transwell assay, respectively. We further showed that 10 μg/mL quercetin inhibited cell migration and tube formation of human umbilical vein endothelial cells induced by the conditioned medium derived from U251 cell culture. The inhibitory effect of quercetin on migration and angiogenesis is possibly mediated through the downregulation of protein levels ofVEGFA, MMP9, and MMP2 as detected by Western blot. Our findings demonstrated that low concentration of quercetin antagonized glioblastoma cell invasion and angiogenesis in vitro.

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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