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The EphA2 receptor has been validated in animal models as new target for treating tumors depending on angiogenesis and vasculogenic mimicry. In the present work, we extended our current knowledge… Click to show full abstract
The EphA2 receptor has been validated in animal models as new target for treating tumors depending on angiogenesis and vasculogenic mimicry. In the present work, we extended our current knowledge on structure-activity relationship (SAR) data of two related classes of antagonists of the EphA2 receptor, namely 5β-cholan-24-oic acids and 5β-cholan-24-oyl l-β-homotryptophan conjugates, with the aim to develop new antiangiogenic compounds able to efficiently prevent the formation of blood vessels. As a result of our exploration, we identified UniPR505, N-[3α-(Ethylcarbamoyl)oxy-5β-cholan-24-oyl]-l-β-homo-tryptophan (compound 14), as a submicromolar antagonist of the EphA2 receptor capable to block EphA2 phosphorylation and to inhibit neovascularization in a chorioallantoic membrane (CAM) assay.
Journal Title: European journal of medicinal chemistry
Year Published: 2020
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