Selection of chronic lymphocytic leukemia binding peptides

Satoshi Takahashi, Hoyin Mok, M. Brandon Parrott, Frank C. Marini, Michael Andreeff, Malcolm K. Brenner, Michael A. Barry

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

To provide cell-binding ligands for ex vivo gene therapy and chronic lymphocytic leukemia (CLL)-targeting ligands for in vivo drug and gene therapy, we selected 44 20-mer peptides from peptide-presenting phage libraries by panning against primary patient CLL cancer cells. Twenty-nine of the selected peptides were assayed for cell binding. Eight of the selected peptides bound CLL cells, B cells, T cells, and monocyte cells, 12 bound only CLL cells and B cells, and 1 peptide bound only B cells. However, eight of the selected peptides were CLL specific. When two of the peptides were tested out of the context of phage, the synthetic peptides were able to bind cells and functionally retarget adenovirus to increase ex vivo gene delivery to primary CLL cells. These data demonstrate the ability to identify lead cancer-targeting peptides by selection of phage libraries against primary human cancers cells.

Original languageEnglish (US)
Pages (from-to)5213-5217
Number of pages5
JournalCancer research
Volume63
Issue number17
StatePublished - Sep 1 2003

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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    Takahashi, S., Mok, H., Parrott, M. B., Marini, F. C., Andreeff, M., Brenner, M. K., & Barry, M. A. (2003). Selection of chronic lymphocytic leukemia binding peptides. Cancer research, 63(17), 5213-5217.