Techniques to Decipher Molecular Diversity by Phage Display

  • Dawn R. Christianson
  • Michael G. Ozawa
  • Renata Pasqualini
  • Wadih Arap
Part of the Methods in Molecular Biology™ book series (MIMB, volume 357)


Combinatorial phage display technology may be applied to decipher the molecular diversity of peptide binding specificity to isolated proteins, purified antibodies, cell surfaces, intracellular/cyto-domains, and blood vessels in vivo. The application of such a strategy ranges from identifying receptor-ligand pairs and antigen binding sites to understanding the progression of diseases by their differential expression patterns and developing therapeutic targeting strategies. Different strategies can be used to isolate peptides from diverse libraries displayed on the surface of bacteriophage by exposing the library to a target molecule or organ, washing away nonbinding phage, eluting and amplifying the bound phage for multiple round use, and then analyzing the peptide sequences of the enriched phage. The following methods first outline the construction of a phage library and then delineate various in vitro and in vivo biopanning applications to probe isolated integrins, purified antibodies, cell surface molecules, and vascular endothelial cells.

Key Words

Phage display vascular targeting, molecular markers antibody fingerprinting angiogenesis biopanning BRASIL protein 


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Copyright information

© Humana Press Inc. 2007

Authors and Affiliations

  • Dawn R. Christianson
    • 1
    • 2
  • Michael G. Ozawa
    • 1
  • Renata Pasqualini
    • 1
  • Wadih Arap
    • 1
  1. 1.Department of Genitourinary Medical OncologyThe University of Texas M. D. Anderson Cancer CenterHouston
  2. 2.Graduate School of Biomedical SciencesThe University of Texas Health Science CenterHouston

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