Journal
BIOMEDICINE & PHARMACOTHERAPY
Volume 140, Issue -, Pages -Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2021.111737
Keywords
Guggulsterone; NF-kappa B; Breast cancer; Anti-cancer; Inflammatory signal; Metastasis
Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan [17H06398]
- Cooperative Research Project from the Institute of Natural Medicine, University of Toyama
- OTSUKA Toshimi Scholarship [19-S31]
- Grants-in-Aid for Scientific Research [17H06398] Funding Source: KAKEN
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The synthetic derivative GSD-1 strongly inhibits NF-kappa B activation, preventing nuclear translocation and cell-intrinsic activation, showing potential for treating breast cancer growth and metastasis.
Guggulsterone (GS) [4,17(20)-pregnadiene-3,16-dione], is the main active phytosterol constituent in guggul, the gum resin of Commiphora wightii (Arnott.) Bhand./Commiphora mukul Engl. tree, and is known for its medicinal effects. In this study, we report that GSD-1, a structurally-related synthetic GS derivative, strongly inhibits NF-kappa B activation induced by TNF-alpha. GSD-1 prevented the nuclear translocation of p65 through the blockade of I kappa B alpha degradation and p65 phosphorylation, and further inhibited the activation of upstream kinases, including transforming growth factor-beta activated kinase 1 (TAK1), I kappa B kinase (IKK) alpha, and IKK beta. Furthermore, GSD-1 inhibited the cell-intrinsic activation of NF-kappa B, and exerted its direct anti-cancer and anti-metastatic effects in both murine and human breast cancer cell lines. This study demonstrated GSD-1 to be an attractive compound to target NF-kappa B activation that has potential for treating breast cancer growth and metastasis.
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