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Current Pharmaceutical Biotechnology

Editor-in-Chief

ISSN (Print): 1389-2010
ISSN (Online): 1873-4316

Tumor Vasculature Targeting Through NGR Peptide-Based Drug Delivery Systems

Author(s): Angelo Corti and Flavio Curnis

Volume 12, Issue 8, 2011

Page: [1128 - 1134] Pages: 7

DOI: 10.2174/138920111796117373

Price: $65

Abstract

Various peptide sequences have been discovered by selecting peptide-phage display libraries in vitro against specific receptors or in vivo in tumor-bearing animals. One class of these peptides is characterized by the presence of Asn- Gly-Asp (NGR), a structural motif that can recognize the endothelium and other cells of neoangiogenic vessels. Because of this property these peptides have been used by several investigators to deliver a variety of drugs, cytokines, nanoparticles, viruses and imaging agents to tumor blood vessels. Here we review the reports on these conjugates and discuss the structural, functional and stability properties of NGR embedded into different molecular scaffolds.

Keywords: Peptide-phage display library, CD13, αvβ3 integrin, vascular targeting, NGR motif, angiogenesis, NGR-TNF, asparagine deamidation, isoaspartate, isoDGR, tumor-bearing animals, presence of Asn-Gly-Asp (NGR), molecular scaffolds


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