Selectively N-methylated soluble IAPP mimics as potent IAPP receptor agonists and nanomolar inhibitors of cytotoxic self-assembly of both IAPP and Aβ40

Li Mei Yan, Aleksandra Velkova, Marianna Tatarek-Nossol, Gerhard Rammes, Andrei Sibaev, Erika Andreetto, Michael Kracklauer, Maria Bakou, Eleni Malideli, Burkhard Göke, Jörg Schirra, Martin Storr, Aphrodite Kapurniotu

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

The selective incorporation of N-methyl groups in the highly amyloidogenic and cytotoxic sequence of the type 2 diabetes islet amyloid polypeptide (IAPP) generates a unique class of soluble and nontoxic IAPP mimics. These polypeptides combine potent IAPP receptor agonism with nanomolar-affinity inhibitory potential on the amyloid formation and cell-damaging effects of both IAPP and the Alzheimer's β-amyloid peptide (Aβ40).

Original languageEnglish
Pages (from-to)10378-10383
Number of pages6
JournalAngewandte Chemie International Edition in English
Volume52
Issue number39
DOIs
StatePublished - 23 Sep 2013

Keywords

  • IAPP receptor agonist
  • islet amyloid polypeptide
  • protein interactions
  • self-assembly
  • β-amyloid peptide

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