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Optimizing PK Properties of Cyclic Peptides: the Effect of Side Chain Substitutions on Permeability and Clearance()

Abstract

A series of cyclic peptides were designed and prepared to investigate the physicochemical properties that affect oral bioavailabilty of this chemotype in rats. In particular, the ionization state of the peptide was examined by the incorporation of naturally occurring amino acid residues that are charged in differing regions of the gut. In addition, data was generated in a variety of in vitro assays and the usefulness of this data in predicting the subsequent oral bioavailability observed in the rat is discussed.

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References
1.
Searle M, Hall J, Wakelin P . 1H- and 13C-n.m.r. studies of the antitumour antibiotic luzopeptin. Resonance assignments, conformation and flexibility in solution. Biochem J. 1988; 256(1):271-8. PMC: 1135398. DOI: 10.1042/bj2560271. View

2.
Xiang T, Anderson B . Molecular distributions in interphases: statistical mechanical theory combined with molecular dynamics simulation of a model lipid bilayer. Biophys J. 1994; 66(3 Pt 1):561-72. PMC: 1275755. DOI: 10.1016/s0006-3495(94)80833-1. View

3.
Diamond J, Katz Y . Interpretation of nonelectrolyte partition coefficients between dimyristoyl lecithin and water. J Membr Biol. 1974; 17(2):121-54. DOI: 10.1007/BF01870176. View

4.
Rafi S, Hearn B, Vedantham P, Jacobson M, Renslo A . Predicting and improving the membrane permeability of peptidic small molecules. J Med Chem. 2012; 55(7):3163-9. PMC: 3325374. DOI: 10.1021/jm201634q. View

5.
Seelig A . The role of size and charge for blood-brain barrier permeation of drugs and fatty acids. J Mol Neurosci. 2007; 33(1):32-41. DOI: 10.1007/s12031-007-0055-y. View