Inhibitory effects on chondrosarcoma cell metastasis by Senna alata extract - 19/03/21
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Abstract |
Background |
Senna alata L. Roxb or candle bush is a traditional medicinal plant with a wide range of biological activities including anti-inflammatory, antimicrobial and antifungal. Leaf extract of S. alata showed the anti-tumor activity in various cancer cell lines. In this study, we focused on the inhibitory mechanism of S. alata extract (SAE) on cancer metastasis including cell migration, cell invasion and signaling pathways in chondrosarcoma SW1353 cells.
Purpose |
This study aimed to evaluate the anti-metastatic mechanisms of Senna alata extract on chondrosarcoma SW1353 cells.
Methods |
Screening for phytochemicals in biologically active fraction of SAE was analysed by 1H NMR spectroscopy. Cell viability and cytoxicity were determined by using MTT assay. Cell migration was observed by scratch wound healing and transwell migration assay. Cell invasion and cell adhesion assay were examined by Matrigel coated transwell chambers or plates. The expression of matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs), MAPKs and PI3K/Akt signaling pathways and NF-κB were detected by Western blot analysis.
Results |
The SAE treatment at the sub-cytoxic and non-cytotoxic concentrations significantly inhibited cell migration, cell invasion and cell adhesion of SW1353 cells in a dose-dependent manner. The results from Western blot analysis showed decreased MMP-2 and MMP-9 expression, while increased TIMP-1 and TIMP-2 expression in SAE treated cells. Moreover, SAE suppressed phosphorylation of ERK1/2, p38 and Akt but decreased NF-κB transcription factor expression in SW1353 cells.
Conclusion |
These results revealed that SAE could reduce MMP-2 and MMP-9 expression by downregulation of NF-κB which is downstream of MAPKs and PI3K/Akt signaling pathway in SW1353 cells resulting in reduced cancer cell migration and invasion. Therefore, SAE may have the potential use as an alternative treatment of chondrosarcoma metastasis.
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Highlights |
• | Senna alata ethanolic extract shows anti-metastatic activity in vitro. |
• | Senna alata ethanolic extract inhibits proliferation, migration, invasion and adhesion in SW1353 cells. |
• | Senna alata ethanolic extract inhibits MMP-9/-2 while increases TIMP-1/2 expression in SW1353 cells. |
• | Senna alata ethanolic extract down-regulates MAPK/Akt/NF-κB signaling pathway in SW1353 cells. |
Abbreviations : SAE, ECM, MMPs, TIMPs, MAPKs, PI3K, Akt, ERK1/2, JNK/SAPK, NF-κB, uPA, DCM, TLC, NMR, DMSO, DMEM, FBS, MTT, PMSF, PBS, PVDF, TBST, GAPDH, ECL
Keywords : Senna alata, Metastasis, Chondrosarcoma, MAPK, Akt, NF-κB
Plan
Vol 137
Article 111337- mai 2021 Retour au numéro
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