An antibody-like peptidic network for anti-angiogenesis

Biomaterials. 2021 Aug:275:120900. doi: 10.1016/j.biomaterials.2021.120900. Epub 2021 May 18.

Abstract

Different from chemical (small molecular inhibitor) and biological (monoclonal antibody) drugs, herein, based on angiogenesis-related neuropilin-1 (NRP-1), we develop a biomimetic superstructure drug, i.e. an antibody-like peptidic network (ALPN) to achieve the high-efficient treatment of choroidal neovascularization (CNV). The ALPN in nanoparticulated formulation (ALPN-NPS) can bind NRP-1 through targeting unit and form fibrous peptidic networks trapping NRP-1 on the surface of endothelial cells (ECs), leading to anti-angiogenesis. The ALPN shows high-efficacy against angiogenesis in CNV rat model ascribed to the superstructure-enhanced binding and blockage of NRP-1. The very low dose of ALPN (0.263 μg/Kg) exhibits similar anti-angiogenesis effect comparing with monoclonal antibody bevacizumab (23.5 μg/Kg), which shows potential advantages over traditional monoclonal antibodies.

Keywords: Angiogenesis; Antibody; Biomimetic; Peptide; Self-assembly.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Angiogenesis Inhibitors / pharmacology
  • Angiogenesis Inhibitors / therapeutic use
  • Animals
  • Choroidal Neovascularization* / drug therapy
  • Endothelial Cells*
  • Neuropilin-1
  • Peptides / therapeutic use
  • Rats

Substances

  • Angiogenesis Inhibitors
  • Peptides
  • Neuropilin-1