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The Biflavonoid Amentoflavone Inhibits Neovascularization Preventing the Activity of Proangiogenic Vascular Endothelial Growth Factors
- Source :
- The Journal of Biological Chemistry, The Journal of biological chemistry, 286 (2011): 19641–19651. doi:10.1074/jbc.M110.186239, info:cnr-pdr/source/autori:Tarallo V, Lepore L, Marcellini M, Dal Piaz F, Tudisco L, Ponticelli S, Wendelboe Lund F, Roepstorff P, Orlandi A, Pisano C, De Tommasi N, and De Falco S./titolo:The biflavonoid Amentoflavone inhibits neovascularization preventing the activity of pro-angiogenic vascular endothelial growth factors/doi:10.1074%2Fjbc.M110.186239/rivista:The Journal of biological chemistry (Print)/anno:2011/pagina_da:19641/pagina_a:19651/intervallo_pagine:19641–19651/volume:286, Tarallo, V, Lepore, L, Marcellini, M, Dal Piaz, F, Tudisco, L, Ponticelli, S, Lund, F W, Roepstorff, P, Orlandi, A, Pisano, C, De Tommasi, N & De Falco, S 2011, ' The biflavonoid amentoflavone inhibits neovascularization preventing the activity of proangiogenic vascular endothelial growth factors ', Journal of Biological Chemistry, vol. 286, no. 22, pp. 19641-51 . https://doi.org/10.1074/jbc.M110.186239
- Publication Year :
- 2011
- Publisher :
- Elsevier BV, 2011.
-
Abstract
- The proangiogenic members of VEGF family and related receptors play a central role in the modulation of pathological angiogenesis. Recent insights indicate that, due to the strict biochemical and functional relationship between VEGFs and related receptors, the development of a new generation of agents able to target contemporarily more than one member of VEGFs might amplify the antiangiogenic response representing an advantage in term of therapeutic outcome. To identify molecules that are able to prevent the interaction of VEGFs with related receptors, we have screened small molecule collections consisting of >100 plant extracts. Here, we report the isolation and identification from an extract of the Malian plant Chrozophora senegalensis of the biflavonoid amentoflavone as an antiangiogenic bioactive molecule. Amentoflavone can to bind VEGFs preventing the interaction and phosphorylation of VEGF receptor 1 and 2 (VEGFR-1,VEGFR-2) and to inhibit endothelial cell migration and capillary-like tube formation induced by VEGF-A or placental growth factor 1 (PlGF-1) at low μm concentration. In vivo, amentoflavone is able to inhibit VEGF-A-induced chorioallantoic membrane neovascularization as well as tumor growth and associated neovascularization, as assessed in orthotropic melanoma and xenograft colon carcinoma models. In addition structural studies performed on the amentoflavone·PlGF-1 complex have provided evidence that this biflavonoid effectively interacts with the growth factor area crucial for VEGFR-1 receptor recognition. In conclusion, our results demonstrate that amentoflavone represents an interesting new antiangiogenic molecule that is able to prevent the activity of proangiogenic VEGF family members and that the biflavonoid structure is a new chemical scaffold to develop powerful new antiangiogenic molecules.
- Subjects :
- Vascular Endothelial Growth Factor A
Angiogenesis
Nude
Angiogenesis Inhibitors
Amentoflavone
Receptor Tyrosine Kinase
Biochemistry
Neovascularization
Mice
chemistry.chemical_compound
Phytogenic
Phosphorylation
Receptor
Tube formation
chemistry.chemical_classification
Heterologous
Neovascularization, Pathologic
Drug Action
Biflavonoid
Cell biology
Vascular endothelial growth factor A
Colonic Neoplasms
Cancer Therapy
Protein/Small Molecule Interaction
medicine.symptom
Signal Transduction
Transplantation, Heterologous
Mice, Nude
Antineoplastic Agents
Cell Migration
VEGF Family
Settore MED/08 - Anatomia Patologica
Biology
Small Molecule Libraries
Growth Factors
medicine
Animals
Biflavonoids
Humans
Molecular Biology
Pathologic
Flavonoids
Transplantation
Vascular Endothelial Growth Factor Receptor-1
Kinase insert domain receptor
Cell Biology
Antineoplastic Agents, Phytogenic
Vascular Endothelial Growth Factor Receptor-2
Xenograft Model Antitumor Assays
HEK293 Cells
chemistry
Neoplasm Transplantation
Immunology
Subjects
Details
- ISSN :
- 00219258
- Volume :
- 286
- Database :
- OpenAIRE
- Journal :
- Journal of Biological Chemistry
- Accession number :
- edsair.doi.dedup.....8b5e2de71469baaa66a7863b2a3823e4
- Full Text :
- https://doi.org/10.1074/jbc.m110.186239