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

Article Publish Status: FREE
Abstract Title:

Trichosanthin suppresses the proliferation of glioma cells by inhibiting LGR5 expression and the Wnt/β-catenin signaling pathway.

Abstract Source:

Oncol Rep. 2015 Dec ;34(6):2845-52. Epub 2015 Sep 18. PMID: 26397053

Abstract Author(s):

Junjie Miao, Yilin Jiang, Dongliang Wang, Jingru Zhou, Cungang Fan, Feng Jiao, Bo Liu, Jun Zhang, Yangshuo Wang, Qingjun Zhang

Article Affiliation:

Junjie Miao

Abstract:

Studies have indicated that trichosanthin (TCS), a bioactive protein extracted and purified from the tuberous root of Trichosanthes kirilowii (a well‑known traditional Chinese medicinal plant), produces antitumor effects on various types of cancer cells. However, the effects of TCS on glioma cells are poorly understood. The objective ofthis study was to investigate the antitumor effects of TCS on the U87 and U251 cell lines. The in vitro effects of TCS on these two cell lines were determined using a Cell Counting Kit‑8 (CCK‑8) assay, Annexin V‑FITC staining, DAPI staining, Transwell assays, terminal deoxynucleotidyl transferase‑mediated dUTP nick end‑labeling (TUNEL) assays, 5,5',6,6'‑tetrachloro‑1,1',3,3'‑tetraethyl‑imidacarbocyanine iodide (JC‑1) staining and western blotting, which was utilized to assess the expression of leucine‑rich repeat‑containing G protein‑coupled receptor 5 (LGR5) and key proteins in the Wnt/β‑catenin signaling pathway. Our data indicated that TCS inhibited the proliferation of glioma cells in a dose‑ and time‑dependent manner and played a role in inhibiting glioma cell invasion and migration. Additional investigation revealed that the expression levelsof LGR5 and of key proteins in the Wnt/β‑catenin signaling pathway were markedly decreased after TCS treatment. The results suggest that TCS may induce apoptosis in glioma cells by targeting LGR5 and repressing the Wnt/β‑catenin signaling pathway. In the future, in vivo experiments should beconducted to examine the potential use of this compound as a novel therapeutic agent for gliomas.

Study Type : In Vitro Study

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

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