2. Academic Validation
  3. Anti-cancer activity of targeted pro-apoptotic peptides

Anti-cancer activity of targeted pro-apoptotic peptides

  • Nat Med. 1999 Sep;5(9):1032-8. doi: 10.1038/12469.
H M Ellerby 1,  W Arap,  L M Ellerby,  R Kain,  R Andrusiak,  G D Rio,  S Krajewski,  C R Lombardo,  R Rao,  E Ruoslahti,  D E Bredesen,  R Pasqualini
Affiliations

Affiliation

  • 1 Program on Aging and Cancer and Program on Cell Adhesion, The Burnham Institute, 10901 North Torrey Pines Rd., La Jolla, California 92037, USA.
PMID: 10470080 DOI: 10.1038/12469
Abstract

We have designed short Peptides composed of two functional domains, one a tumor blood vessel 'homing' motif and the other a programmed cell death-inducing sequence, and synthesized them by simple peptide chemistry. The 'homing' domain was designed to guide the peptide to targeted cells and allow its internalization. The pro-apoptotic domain was designed to be nontoxic outside cells, but toxic when internalized into targeted cells by the disruption of mitochondrial membranes. Although our prototypes contain only 21 and 26 residues, they were selectively toxic to angiogenic endothelial cells and showed anti-cancer activity in mice. This approach may yield new therapeutic agents.

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