Publication:
Exploring the Antiangiogenic Potential of Solomonamide A Bioactive Precursors: In Vitro and in Vivo Evidences of the Inhibitory Activity of Solo F-OH During Angiogenesis.

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2019-04-15

Authors

Carrillo, Paloma
Martínez-Poveda, Beatriz
Cheng-Sánchez, Iván
Guerra, Jessica
Tobia, Chiara
López-Romero, J Manuel
Sarabia, Francisco
Medina, Miguel Ángel
Quesada, Ana R

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Abstract

Marine sponges are a prolific source of bioactive compounds. In this work, the putative antiangiogenic potential of a series of synthetic precursors of Solomonamide A, a cyclic peptide isolated from a marine sponge, was evaluated. By means of an in vitro screening, based on the inhibitory activity of endothelial tube formation, the compound Solo F-OH was selected for a deeper characterization of its antiangiogenic potential. Our results indicate that Solo F-OH is able to inhibit some key steps of the angiogenic process, including the proliferation, migration, and invasion of endothelial cells, as well as diminish their capability to degrade the extracellular matrix proteins. The antiangiogenic potential of Solo F-OH was confirmed by means of two different in vivo models: the chorioallantoic membrane (CAM) and the zebrafish yolk membrane (ZFYM) assays. The reduction in ERK1/2 and Akt phosphorylation in endothelial cells treated with Solo F-OH denotes that this compound could target the upstream components that are common to both pathways. Taken together, our results show a new and interesting biological activity of Solo F-OH as an inhibitor of the persistent and deregulated angiogenesis that characterizes cancer and other pathologies.

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Angiogenesis Inhibitors
Animals
Cell Culture Techniques
Cell Line, Tumor
Cell Movement
Cell Proliferation
Cell Survival
Chorioallantoic Membrane
Endothelial Cells
Humans
Inhibitory Concentration 50
MAP Kinase Signaling System
Matrix Metalloproteinase 2
Matrix Metalloproteinase 9
Molecular Structure
Oncogene Protein v-akt
Peptide Fragments
Peptides, Cyclic
Signal Transduction
Zebrafish

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Keywords

Solomonamide A, angiogenesis, cancer, endothelial cells, marine sponge

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