ArticleCancer science2007
Dipalmitoylation of radicicol results in improved efficacy against tumor growth and angiogenesis in vivo.
Article in Cancer science, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 8 citations in OpenAlex.
- Reduced Contractility and Motility of Prostatic Cancer-Associated Fibroblasts after Inhibition of Heat Shock Protein 90.Cancers · 2016Article
- Interaction of cepharanthine with immobilized heat shock protein 90α (Hsp90α) and screening of Hsp90α inhibitors.Analytical biochemistry · 2013Article
- Nobiletin, a citrus polymethoxyflavonoid, suppresses multiple angiogenesis-related endothelial cell functions and angiogenesis in vivo.Cancer science · 2010Article
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Authors and funding
9 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tumor-related angiogenesis is likely to be a potential target for the treatment of cancer. One key to develop this angiostatic strategy would be to find useful angiogenesis inhibitors. Here we report the effects of radicicol, a microbial angiogenesis inhibitor that we previously identified using the chorioallantoic membrane assay, and its novel analog, 14,16-dipalmitoyl-radicicol, on tumor angiogenesis and growth. As expected for agents containing a penolic hydroxyl group, systemic administration of radicicol had little or no effect on neovascularization triggered by a M5076 mouse tumor cell line or a RMT-1 rat mammary carcinoma cell line established from autochthonous rat mammary tumors induced by 7,12-dimethylbenz[a]anthracene in a mouse dorsal air sac assay system. The agent did not show growth-inhibitory activity against either transplantable M5076 tumors or autochthonous 7,12-dimethylbenz[a]anthracene-induced rat mammary tumors. In contrast, 14,16-dipalmitoyl-radicicol potently suppressed tumor angiogenesis and growth in these experimental models. Furthermore, the analog significantly prolonged the survival rate of M5076-implanted mice. Although not stronger than radicicol, it dose-dependently inhibited embryonic angiogenesis in the chorioallantoic membrane assay, the dose required for half-maximal inhibition (ID(50)) value being 23 microg (27 nmol) per egg, and showed concentration-dependent antiproliferative activity against microvascular endothelial cells in vitro. These data suggest that 14,16-dipalmitoyl-radicicol is a promising antitumor agent with antiangiogenic activity.
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