Please use this identifier to cite or link to this item: https://doi.org/10.1007/s00018-005-5050-2
Title: Emodin inhibits tumor cell migration through suppression of the phosphatidylinositol 3-kinase-Cdc42/Rac1 pathway
Authors: Huang, Q. 
Shen, H.-M. 
Ong, C.-N. 
Keywords: Cdc42
Emodin
Migration
PAK
PI3K
Rac1
Issue Date: May-2005
Citation: Huang, Q., Shen, H.-M., Ong, C.-N. (2005-05). Emodin inhibits tumor cell migration through suppression of the phosphatidylinositol 3-kinase-Cdc42/Rac1 pathway. Cellular and Molecular Life Sciences 62 (10) : 1167-1175. ScholarBank@NUS Repository. https://doi.org/10.1007/s00018-005-5050-2
Abstract: Enhanced cell migration is one of the underlying mechanisms in cancer invasion and metastasis. Therefore, inhibition of cell migration is considered to be an effective strategy for prevention of cancer metastasis. We found that emodin (3-methyl-1,6,8-trihydroxyanthraquinone), an active component from the rhizome of Rheum palmatum, significantly inhibited epidermal growth factor (EGF)-induced migration in various human cancer cell lines. In the search for the underlying molecular mechanisms, we demonstrated that phosphatidylinositol 3-kinase (PI3K) serves as the molecular target for emodin. In addition, emodin markedly suppressed EGF-induced activation of Cdc42 and Rac1l and the corresponding cytoskeleton changes. Moreover, emodin, but not LY294002, was able to block cell migration in cells transfected with constitutively active (CA)-Cdc42 and CA-Rac1 by interference with the formation of Cdc42/Rac1 and the p21-activated kinase complex. Taken together, data from this study suggest that emodin inhibits human cancer cell migration by suppressing the PI3K-Cdc42/Rac1 signaling pathway. © Birkhäuser Verlag, 2005.
Source Title: Cellular and Molecular Life Sciences
URI: http://scholarbank.nus.edu.sg/handle/10635/113457
ISSN: 1420682X
DOI: 10.1007/s00018-005-5050-2
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