5-Desmethylsinensetin isolated from Artemisia princeps suppresses the stemness of breast cancer cells via Stat3/IL-6 and Stat3/YAP1 signaling > REFERENCE LIBRARY

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[EZ-Cytox] 5-Desmethylsinensetin isolated from Artemisia princeps suppresses the stemness of breast cancer cell…

김상진
2022-01-27 10:46 2,626 1

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년도
2021
제품명
EZ-Cytox
학술지명
LIFE SCIENCES

Highlights

Desmethylsinensetin suppresses the proliferation and mammosphere formation of breast cancer cells.

Desmethylsinensetin reduces the subpopulations of CD44+/CD24 and ALDH1+ cancer cells.

Desmethylsinensetin reduces the transcription of the stemness markers Oct4, c-Myc, Nanog and CD44 in BCSCs.

Desmethylsinensetin reduces the mRNA and protein levels of IL-6.

Desmethylsinensetin inhibits the total and nuclear expression of Stat3 and p-Stat3, as well as the translocation of YAP1.

Our results show that 5-desmethylsinensetin exhibits potential anticancer activity against breast cancer stem cells via Stat3-IL-6 and Stat3-YAP1 signaling.

Abstract

Aims

To study 5-desmethylsinensetin exhibiting potential anticancer activity against breast cancer stem cells and the related molecular mechanism.

Main methods

In this study, isolation of a cancer stem cell (CSC) inhibitor of Artemisia princeps was performed using a silica gel column, a Sephadex gel column, and high-performance liquid chromatography. A single compound was purified via activity-based isolation using mammosphere formation assays. An MTS was used to examine the proliferation of breast cancer cells, and flow cytometry was used to analyze apoptosis and cancer stem cell markers. Western blotting was used to detect the signaling pathway.

Results

The isolated compound was identified as 5-desmethylsinensetin using nuclear magnetic resonance and mass spectrometry. 5-Desmethylsinensetin suppresses the proliferation and mammosphere formation of breast cancer cells, reduces the subpopulations of CD44+/CD24- and ALDH1+ cancer cells, and reduces the transcription of the stemness markers Oct4, c-Myc, Nanog and CD44 in Breast CSCs. 5-Desmethylsinensetin inhibits the total and nuclear expression of Stat3 and p-Stat3, as well as the translocation of YAP1. Additionally, 5-desmethylsinensetin reduces the mRNA and protein levels of IL-6.

Conclusion

Our results show that 5-desmethylsinensetin exhibits potential anticancer activity against breast cancer stem cells via Stat3-IL-6 and Stat3-YAP1 signaling.

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김상진
2022-01-27 10:47
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