Article Publish Status: FREE
Abstract Title:

A novel antitumor activity of deguelin targeting the insulin-like growth factor (IGF) receptor pathway via up-regulation of IGF-binding protein-3 expression in breast cancer.

Abstract Source:

Cancer Lett. 2013 May 10 ;332(1):102-9. Epub 2013 Jan 21. PMID: 23348700

Abstract Author(s):

Young-Ah Suh, Jai-Hyun Kim, Myung A Sung, Hye-Jin Boo, Hye Jeong Yun, Sun-Hye Lee, Hyo-Jong Lee, Hye-Young Min, Young-Ger Suh, Kyu-Won Kim, Ho-Young Lee

Article Affiliation:

Young-Ah Suh


In this study, we investigated the antitumor effects of deguelin in several human breast cancer cells in vitro and in vivo. Deguelin inhibited cell viability and the anchorage-dependent and anchorage-independent colony formation of triple-negative (MDA-MB-231 and MDA-MB-468) and triple-positive (MCF-7) breast cancer cells, and it significantly reduced the growth of MCF-7 cell xenograft tumors. The induction of apoptosis, inhibition of insulin-like growth factor-1 receptor (IGF-1R) signaling activation, and up-regulation of IGF-binding protein-3 (IGFBP-3) expression may be associated with deguelin-mediated antitumor effects. Our findings suggest a potential therapeutic use for deguelin in patients with triple-negative breast cancer and for those with breast cancers who are sensitive to endocrine- and HER2-targeted therapies.

Study Type : Animal Study, In Vitro Study

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