期刊
INTERNATIONAL JOURNAL OF MOLECULAR MEDICINE
卷 47, 期 5, 页码 -出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/ijmm.2021.4900
关键词
apoptosis; Fyn; glioma; invasion; PI3K; Akt; proliferation; rosmarinic acid
资金
- China Postdoctoral Science Foundation [2019M663104]
- Science and Technology Planning Project of Guangdong Province [2017A020215089]
The study found that RA, as a Fyn inhibitor, has anti-tumor effects in U251 and U343 glioma cells, significantly suppressing cell proliferation, migration, and invasion, and inducing apoptosis. Additionally, RA exerts its cytotoxicity by modulating the PI3K/Akt/NF-kappa B signaling pathway.
There is a growing evidence that Fyn kinase is upregulated in glioblastoma multiforme (GBM), where it plays a key role in tumor proliferation and invasion. In the present study, the antitumor effects of rosmarinic acid (RA), a Fyn inhibitor, were explored in human-derived U251 and U343 glioma cell lines. These cells were treated with various concentrations of RA to determine its effects on proliferation, migration, invasion, apoptosis, and gene and protein expression levels. The CCK-8 assay revealed that RA significantly suppressed cell viability of U251 and U343 cells. Furthermore, RA significantly reduced proliferation rates, inhibited migration and invasion, and decreased the expression levels of invasion-related factors, such as matrix metalloproteinase (MMP)-2 and MMP-9. TUNEL staining revealed that RA resulted in a dose-dependent increase of U251 and U343 cell apoptosis. In line with this finding, the expression of apoptosis suppressor protein Bcl-2 was downregulated and that of the pro-apoptotic proteins Bax and cleaved caspase-3 was increased. In addition, it was revealed that the phosphatidylinositol 3-kinase (PI3K)/Akt/nuclear factor-kappa B (NF-kappa B) signaling pathway was involved in RA-induced cytotoxicity in U251 and U343 cells. Collectively, the present study suggested RA as a drug candidate for the treatment of GBM.
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