Steps toward mapping the human vasculature by phage display

  • Wadih Arap
  • , Mikhail G. Kolonin
  • , Martin Trepel
  • , Johanna Lahdenranta
  • , Marina Cardó-Vila
  • , Ricardo J. Giordano
  • , Paul J. Mintz
  • , Peter U. Ardelt
  • , Virginia J. Yao
  • , Claudia I. Vidal
  • , Limor Chen
  • , Anne Flamm
  • , Heli Valtanen
  • , Lisa M. Weavind
  • , Marshall E. Hicks
  • , Raphael E. Pollock
  • , Gregory H. Botz
  • , Corazon D. Bucana
  • , Erkki Koivunen
  • , Dolores Cahill
  • Patricia Troncoso, Keith A. Baggerly, Rebecca D. Pentz, Kim Anh Do, Christopher J. Logothetis, Renata Pasqualini

Research output: Contribution to journalArticlepeer-review

527 Scopus citations

Abstract

The molecular diversity of receptors in human blood vessels remains largely unexplored. We developed a selection method in which peptides that home to specific vascular beds are identified after administration of a peptide library. Here we report the first in vivo screening of a peptide library in a patient. We surveyed 47, 160 motifs that localized to different organs. This large-scale screening indicates that the tissue distribution of circulating peptides is nonrandom. High-throughput analysis of the motifs revealed similarities to ligands for differentially expressed cell-surface proteins, and a candidate ligand-receptor pair was validated. These data represent a step toward the construction of a molecular map of human vasculature and may have broad implications for the development of targeted therapies.

Original languageEnglish (US)
Pages (from-to)121-127
Number of pages7
JournalNature medicine
Volume8
Issue number2
DOIs
StatePublished - Feb 2002
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Biochemistry, Genetics and Molecular Biology

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