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Development of homomultimers and heteromultimers of lung cancer-specific peptoids†
Article first published online: 9 FEB 2011
Copyright © 2011 Wiley Periodicals, Inc.
Special Issue: Special issue on 7th Peptoid Summit
Volume 96, Issue 5, pages 567–577, 2011
How to Cite
Hooks, J. C., Matharage, J. P. and Udugamasooriya, D. G. (2011), Development of homomultimers and heteromultimers of lung cancer-specific peptoids. Biopolymers, 96: 567–577. doi: 10.1002/bip.21596
- Issue published online: 9 SEP 2011
- Article first published online: 9 FEB 2011
- Manuscript Accepted: 17 JAN 2011
- Manuscript Revised: 13 JAN 2011
- Manuscript Received: 31 OCT 2010
- UT Southwestern Medical Center
- receptor targeting;
Multimeric interactions that occur in biology provide impetus for chemists to explore new types of synthetic multivalent ligands that alter cellular functions by mechanisms inaccessible to natural substances. While many different molecules such as peptides, antibody fragments, carbohydrates and organic moieties have been used in developing multimeric ligands, it is worth exploring other important molecular types that have hardly been tested in developing multimeric compounds. Peptoids are one such class of compounds with highly facile synthesis as well as much better biologically amenable qualities. Recently, we identified two HCC4017 lung cancer cell targeting peptoids. Here we explore the possibility of synthesizing multimers of these compounds completely through a solid phase synthesis approach. We have synthesized mini-libraries of homodimers, homotrimers and most importantly, heterodimers of our lung cancer specific compounds. The idea is to develop series of compounds that only differs by the linker portion, which is readily adjustable within the library. The purpose of this is to find the optimal distance between each monomeric unit of the multimer that allows them to perfectly interact with their individual biological targets displayed on the cell surface. Future screens of these minilibraries will identify the multimers with improved binding affinities. © 2011 Wiley Periodicals, Inc. Biopolymers (Pept Sci) 96: 567–577, 2011.