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Article Publish Status: FREE
Abstract Title:

Betavulgarin Isolated from Sugar Beet () Suppresses Breast Cancer Stem Cells through Stat3 Signaling.

Abstract Source:

Molecules. 2020 Jun 30 ;25(13). Epub 2020 Jun 30. PMID: 32630026

Abstract Author(s):

Ren Liu, Hack Sun Choi, Xing Zhen, Su-Lim Kim, Ji-Hyang Kim, Yu-Chan Ko, Bong-Sik Yun, Dong-Sun Lee

Article Affiliation:

Ren Liu

Abstract:

Breast cancer is a major health problem that affects lives worldwide. Breast cancer stem cells (BCSCs) are small subpopulations of cells with capacities for drug resistance, self-renewal, recurrence, metastasis, and differentiation. Herein, powder extracts of beetroot were subjected to silica gel, gel filtration, thin layer chromatography (TLC), and preparatory high-pressure liquid chromatography (HPLC) for isolation of one compound, based on activity-guided purification using tumorsphere formation assays. The purified compound was identified as betavulgarin, using nuclear magnetic resonance spectroscopy and electrospray ionization (ESI) mass spectrometry. Betavulgarin suppressed the proliferation, migration, colony formation, and mammosphere formation of breast cancer cells and reduced the size of the CD44/CD24subpopulation and the expression of the self-renewal-related genes,,, and. This compound decreased the total level and phosphorylated nuclear level of signal transducer and activator of transcription 3 (Stat3) and reduced the mRNA and protein levels of sex determining region Y (SRY)-box 2 (SOX2), in mammospheres. These data suggest that betavulgarin inhibit the Stat3/Sox2 signaling pathway and induces BCSC death, indicating betavulgarin might be an anticancer agent against breast cancer cells and BCSCs.

Study Type : In Vitro Study

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