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dc.contributor.authorAlonso-pérez, Verónica-
dc.contributor.authorHernández, Vanessa-
dc.contributor.authorCalzado, Marco A.-
dc.contributor.authorVicente-blázquez, Alba-
dc.contributor.authorGajate, Consuelo-
dc.contributor.authorSoler-torronteras, Rafael-
dc.contributor.authorDecicco-skinner, Kathleen-
dc.contributor.authorSierra, Angels-
dc.contributor.authorMollinedo, Faustino-
dc.description.abstractMetastasis is the leading cause of cancer mortality. Metastatic cancer is notoriously difficult to treat, and it accounts for the majority of cancer -related deaths. The ether lipid edelfosine is the prototype of a family of synthetic antitumor compounds collectively known as alkylphospholipid analogs, and its antitumor activity involves lipid raft reorganization. In this study, we examined the effect of edelfosine on metastatic colonization and angiogenesis. Using non-invasive bioluminescence imaging and histological examination, we found that oral administration of edelfosine in nude mice significantly inhibited the lung and brain colonization of luciferaseexpressing 435-Lung-eGFP-CMV/Luc metastatic cells, resulting in prolonged survival. In metastatic 435 -Lung and MDA-MB-231 breast cancer cells, we found that edelfosine also inhibited cell adhesion to collagen -I and laminin-I substrates, cell migration in chemotaxis and wound -healing assays, as well as cancer cell invasion. In 435 -Lung and other MDA-MB-435-derived sublines with different organotropism, edelfosine induced G2/M cell cycle accumulation and apoptosis in a concentration- and time -dependent manner. Edelfosine also inhibited in vitro angiogenesis in human and mouse endothelial cell tube formation assays. The antimetastatic properties were specific to cancer cells, as edelfosine had no effects on viability in non -cancerous cells. Edelfosine accumulated in membrane rafts and endoplasmic reticulum of cancer cells, and membrane raft -located CD44 was downregulated upon drug treatment. Taken together, this study highlights the potential of edelfosine as an attractive drug to prevent metastatic growth and organ colonization in cancer therapy. The raft -targeted drug edelfosine displays a potent activity against metastatic organ colonization and angiogenesis, two major hallmarks of tumor malignancy.-
dc.publisherElsevier BV-
dc.relation.isformatofReproducció del document publicat a:
dc.relation.ispartofBiomedicine & Pharmacotherapy, 2024, vol. 171, p. 116149-
dc.sourceArticles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))-
dc.titleSuppression of metastatic organ colonization and antiangiogenic activity of the orally bioavailable lipid raft-targeted alkylphospholipid edelfosine-
Appears in Collections:Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))

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