RETRACTED: Inhibition of angiogenesis and invasion by 3,3′-diindolylmethane is mediated by the NF-κB downstream target genes MMP-9 and uPA that regulated bioavailability of VEGF in prostate cancer (Retracted article. See vol. 78, pg. 5471, 2018)

被引:182
作者
Kong, Dejuan [1 ]
Li, Yiwei [1 ]
Wang, Zhiwei [1 ]
Banerjee, Sanjeev [1 ]
Sarkar, Fazlul H. [1 ]
机构
[1] Wayne State Univ, Sch Med, Barbara Ann Karmanos Canc Inst, Dept Pathol, Detroit, MI 48201 USA
关键词
D O I
10.1158/0008-5472.CAN-06-4277
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Progression of prostate cancer is believed to be dependent on angiogenesis induced by tumor cells. 3,3'-Diindolylmethane (DIM) has been shown to repress neovascularization in a Matrigel plug assay and inhibit cell proliferation, migration, invasion, and capillary tube formation of cultured human umbilical vein endothelial cells. However, the molecular mechanism, by which DIM inhibits angiogenesis and invasion, has not been fully elucidated. Therefore, we sought to explore the molecular mechanism by which DIM inhibits angiogenesis and invasion specifically by investigating the role of angiogenic factors secreted by prostate cancer cells which control all steps of angiogenesis. We found that BioResponse DIM (B-DIM), a formulated DIM with higher bioavailability, inhibited angiogenesis and invasion by reducing the bioavailability of vascular endothelial growth factor (VEGF) via repressing extracellular matrix-degrading proteases, such as matrix metalloproteinase (MMP)-9 and urokinase-type plasminogen activator (uPA), in human prostate cancer cells and reduced vascularity (angiogenesis) in vivo using Matrigel plug assay. We also found that B-DIM treatment inhibited DNA binding activity of nuclear factor-kappa B (NF-kappa B), which is known to mediate the expression of many NF-kappa B downstream target genes, including VEGF, IL-8, uPA, and MMP-9, all of which are involved in angiogenesis, invasion, and metastasis. Our data suggest that inhibition of NF-kappa B DNA binding activity by B-DIM contributes to the regulated bioavailability of VEGF by MMP-9 and uPA and, in turn, inhibits invasion and angiogenesis, which could be mechanistically linked with the antitumor activity of B-DIM as observed previously by our laboratory in a prostate cancer animal model.
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收藏
页码:3310 / 3319
页数:10
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