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Abstract Title:

[Isoliquiritigenin can inhibit migration and invasion of human glioma stem cells by down-regulating matrix metalloproteinases].

Abstract Source:

Zhejiang Da Xue Xue Bao Yi Xue Ban. 2018 May 25 ;47(2):181-186. PMID: 30226314

Abstract Author(s):

Ying Dang, Yuliang Lin, Hongjun Sun, Jianjun Sun, Changdong Li, Zhiyun Li

Article Affiliation:

Ying Dang

Abstract:

OBJECTIVE: To investigate the effects of isoliquiritigenin on the migration and invasion of human glioma stem cells and the underlying mechanism.

METHODS: The stem cell markers CD133 and Nestin in SHG44 human glioma stem cells were examined with immunofluorescence microscopy. The migration and invasion ability of glioma stem cells was determined by transwell method. The mRNA and protein expression of matrix metalloproteinase (MMP)-2 and MMP-9 were detected by real-time RT-PCR and Western blot, respectively.

RESULTS: CD133 and Nestin were positive in SHG44 cells. The number of migrated cells in SHG44 cells treated with 20 and 80μmol/L isoliquiritigenin for 48 h were significantly lower than that in control group (76±5 and 42±4 vs. 85±6, all<0.01), and the number of migrated cells in 80μmol/L isoliquiritigenin group was lower than that in 20 μmol/L isoliquiritigenin group (<0.01). The numbers of cells crossing through membrane in 20 and 80μmol/L isoliquiritigenin groups were 190±13 and 130±9, respectively, which were significantly lower than that in control group (230±14, all<0.01), and the number of crossed cells in the 80μmol/L isoliquiritigenin group was lower than that in 20 μmol/L isoliquiritigenin group (<0.01). The mRNA and protein expression levels of MMP-2 and MMP-9 were decreased compared with control group (<0.05 or<0.01), and the expression levels in 80μmol/L isoliquiritigenin group were lower than those in 20 μmol/L isoliquiritigenin group (<0.05 or<0.01).

CONCLUSIONS: Isoliquiritigenin exhibits antitumor effects on glioma stem cells by inhibiting cell migration and invasion, which may be related to the down-regulation of MMP-2 and MMP-9.

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