4.7 Article

Xanthohumol attenuates tumour cell-mediated breaching of the lymphendothelial barrier and prevents intravasation and metastasis

期刊

ARCHIVES OF TOXICOLOGY
卷 87, 期 7, 页码 1301-1312

出版社

SPRINGER HEIDELBERG
DOI: 10.1007/s00204-013-1028-2

关键词

Xanthohumol; Cancer intravasation; Lymph endothelium; Adhesion; Mobility

资金

  1. Centre of the Region Hana for Biotechnological and Agricultural Research [GACR (P505/11/1163), ED0007/01/01]
  2. Fellinger foundation
  3. Herzfelder family foundation
  4. Hochschuljubilaeumsstiftung der Stadt Wien [H-2498/2011]
  5. Austrian exchange service OeAD
  6. Austrian Science Fund, FWF [P19598-B13, P20905-B13, S10704-B03, S10704-B13]
  7. European Union [HEALTH-F4-2008-202047]
  8. Austrian Science Fund (FWF) [P 20905] Funding Source: researchfish

向作者/读者索取更多资源

Health beneficial effects of xanthohumol have been reported, and basic research provided evidence for anti-cancer effects. Furthermore, xanthohumol was shown to inhibit the migration of endothelial cells. Therefore, this study investigated the anti-metastatic potential of xanthohumol. MCF-7 breast cancer spheroids which are placed on lymphendothelial cells (LECs) induce circular chemorepellent-induced defects (CCIDs) in the LEC monolayer resembling gates for intravasating tumour bulks at an early step of lymph node colonisation. NF-kappa B reporter-, EROD-, SELE-, 12(S)-HETE- and adhesion assays were performed to investigate the anti-metastatic properties of xanthohumol. Western blot analyses were used to elucidate the mechanisms inhibiting CCID formation. Xanthohumol inhibited the activity of CYP, SELE and NF-kB and consequently, the formation of CCIDs at low micromolar concentrations. More specifically, xanthohumol affected ICAM-1 expression and adherence of MCF-7 cells to LECs, which is a prerequisite for CCID formation. Furthermore, markers of epithelial-to-mesenchymal transition (EMT) and of cell mobility such as paxillin, MCL2 and S100A4 were suppressed by xanthohumol. Xanthohumol attenuated tumour cell-mediated defects at the lymphendothelial barrier and inhibited EMT-like effects thereby providing a mechanistic explanation for the anti-intravasative/anti-metastatic properties of xanthohumol.

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