OXi8007 - CAS 288847-41-6
Catalog number:
288847-41-6
Category:
Inhibitor
Not Intended for Therapeutic Use. For research use only.
COA:
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Description:
OXi8007 is a vascular disrupting agent with potential anticancer activity. OXi8007 was found to be strongly cytotoxic against selected human cancer cell lines (GI50 = 36 nM against DU-145 cells, for example). OXi8007 also demonstrated pronounced interference with tumor vasculature in a preliminary in vivo study utilizing a SCID mouse model bearing an orthotopic PC-3 (prostate) tumor as imaged by color Doppler ultrasound. OXi8007 may be useful for the treatment of cancer.
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Purity:
0.98
Synonyms:
OXi8007; OXi-8007; OXi 8007.
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Current Developer:
Baylor University
1.Synthesis of a 2-aryl-3-aroyl indole salt (OXi8007) resembling combretastatin A-4 with application as a vascular disrupting agent.
Hadimani MB1, Macdonough MT, Ghatak A, Strecker TE, Lopez R, Sriram M, Nguyen BL, Hall JJ, Kessler RJ, Shirali AR, Liu L, Garner CM, Pettit GR, Hamel E, Chaplin DJ, Mason RP, Trawick ML, Pinney KG. J Nat Prod. 2013 Sep 27;76(9):1668-78. doi: 10.1021/np400374w. Epub 2013 Sep 9.
The natural products colchicine and combretastatin A-4 are potent inhibitors of tubulin assembly, and they have inspired the design and synthesis of a large number of small-molecule, potential anticancer agents. The indole-based molecular scaffold is prominent among these SAR modifications, leading to a rapidly increasing number of agents. The water-soluble phosphate prodrug 33 (OXi8007) of 2-aryl-3-aroylindole-based phenol 8 (OXi8006) was prepared by chemical synthesis and found to be strongly cytotoxic against selected human cancer cell lines (GI₅₀ = 36 nM against DU-145 cells, for example). The free phenol, 8 (OXi8006), was a strong inhibitor (IC₅₀ = 1.1 μM) of tubulin assembly. The corresponding phosphate prodrug 33 (OXi8007) also demonstrated pronounced interference with tumor vasculature in a preliminary in vivo study utilizing a SCID mouse model bearing an orthotopic PC-3 (prostate) tumor as imaged by color Doppler ultrasound. The combination of these results provides evidence that the indole-based phosphate prodrug 33 (OXi8007) functions as a vascular disrupting agent that may prove useful for the treatment of cancer.
2.The vascular disrupting activity of OXi8006 in endothelial cells and its phosphate prodrug OXi8007 in breast tumor xenografts.
Strecker TE1, Odutola SO2, Lopez R3, Cooper MS1, Tidmore JK1, Charlton-Sevcik AK1, Li L3, MacDonough MT1, Hadimani MB1, Ghatak A1, Liu L3, Chaplin DJ4, Mason RP3, Pinney KG5, Trawick ML6. Cancer Lett. 2015 Dec 1;369(1):229-41. doi: 10.1016/j.canlet.2015.08.021. Epub 2015 Sep 1.
This study describes the vascular disrupting ability and the mechanism of action of the indole-based tubulin-binding compound, OXi8006, and its water-soluble phosphate prodrug OXi8007. Treatment of rapidly proliferating human umbilical vein endothelial cells (HUVECs), used as a model for the tumor vasculature, with OXi8006 or OXi8007, caused potent microtubule disruption followed by extensive reorganization of the cytoskeletal network. The mechanism of action involved an increase in focal adhesion formation associated with an increase in phosphorylation of both non-muscle myosin light chain and focal adhesion kinase. These effects were dramatically diminished by an inhibitor of RhoA kinase, a downstream effector of RhoA. Cell cycle blockade at G2/M and cytotoxicity toward rapidly proliferating HUVECs were also observed. Capillary-like networks of HUVECs were disrupted by the action of both OXi8006 and OXi8007. The prodrug OXi8007 exhibited potent and rapid dose-dependent antivascular activity assessed by dynamic bioluminescence imaging (BLI) in an MDA-MB-231-luc breast cancer xenograft mouse model.
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CAS 288847-41-6 OXi8007

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