Abstract
The integrin receptors represent valuable targets for therapeutic interventions; being overexpressed in many pathological states, their inhibition can be effective to treat a number of severe diseases. Since integrin functions are mediated by interactions with ECM protein ligands, the inhibition can be achieved by interfering with such interactions using small mimetics of the integrin-ligand recognition motifs (e.g. RGD, LDV, etc.). In this review, we focus on the antagonists with peptideheterocycle hybrid structures. The introduction of well-designed scaffolds has met considerable success in the rational design of highly stable, bioavailable, and conformationally defined antagonists. Two main approaches are discussed herein. The first approach is the use of scaffolds external to the main recognition motifs, aimed at improving conformational definition. In the second approach, heterocyclic cores are introduced within the recognition motifs, giving access to libraries of 3D diverse candidate antagonists.
Keywords: Antagonist, Cancer, Conformational analysis, Dipeptide scaffold, Heterocycle, Molecular docking, Peptidomimetic.
Current Topics in Medicinal Chemistry
Title:Heterocyclic Scaffolds in the Design of Peptidomimetic Integrin Ligands: Synthetic Strategies, Structural Aspects, and Biological Activity
Volume: 16 Issue: 3
Author(s): Rossella De Marco, Giacomo Mazzotti, Arianna Greco and Luca Gentilucci
Affiliation:
Keywords: Antagonist, Cancer, Conformational analysis, Dipeptide scaffold, Heterocycle, Molecular docking, Peptidomimetic.
Abstract: The integrin receptors represent valuable targets for therapeutic interventions; being overexpressed in many pathological states, their inhibition can be effective to treat a number of severe diseases. Since integrin functions are mediated by interactions with ECM protein ligands, the inhibition can be achieved by interfering with such interactions using small mimetics of the integrin-ligand recognition motifs (e.g. RGD, LDV, etc.). In this review, we focus on the antagonists with peptideheterocycle hybrid structures. The introduction of well-designed scaffolds has met considerable success in the rational design of highly stable, bioavailable, and conformationally defined antagonists. Two main approaches are discussed herein. The first approach is the use of scaffolds external to the main recognition motifs, aimed at improving conformational definition. In the second approach, heterocyclic cores are introduced within the recognition motifs, giving access to libraries of 3D diverse candidate antagonists.
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Cite this article as:
Marco De Rossella, Mazzotti Giacomo, Greco Arianna and Gentilucci Luca, Heterocyclic Scaffolds in the Design of Peptidomimetic Integrin Ligands: Synthetic Strategies, Structural Aspects, and Biological Activity, Current Topics in Medicinal Chemistry 2016; 16 (3) . https://dx.doi.org/10.2174/1568026615666150812121614
DOI https://dx.doi.org/10.2174/1568026615666150812121614 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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