N-Propargylamine-hydroxypyridinone hybrids as multitarget agents for the treatment of Alzheimer's disease

Bioorg Chem. 2021 Aug:113:105013. doi: 10.1016/j.bioorg.2021.105013. Epub 2021 May 25.

Abstract

AD is a progressive brain disorder. Because of the lack of remarkable single-target drugs against neurodegenerative disorders, the multitarget-directed ligand strategy has received attention as a promising therapeutic approach. Herein, we rationally designed twenty-nine hybrids of N-propargylamine-hydroxypyridinone. The designed hybrids possessed excellent iron-chelating activity (pFe3+ = 17.09-22.02) and potent monoamine oxidase B inhibitory effects. Various biological evaluations of the optimal compound 6b were performed step by step, including inhibition screening of monoamine oxidase (hMAO-B IC50 = 0.083 ± 0.001 µM, hMAO-A IC50 = 6.11 ± 0.08 µM; SI = 73.5), prediction of blood-brain barrier permeability and mouse behavioral research. All of these favorable results proved that the N-propargylamine-hydroxypyridinone scaffold is a promising structure for the discovery of multitargeted ligands for AD therapy.

Keywords: Alzheimer’s disease; Hydroxypyridinone; Iron-chelating; Monoamine oxidase B; Multitarget-directed ligands; N-Propargylamine.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Alzheimer Disease / drug therapy
  • Animals
  • Blood-Brain Barrier / drug effects
  • Blood-Brain Barrier / metabolism
  • Disease Models, Animal
  • Drug Design
  • Drug Stability
  • Humans
  • Hydrogen-Ion Concentration
  • Inhibitory Concentration 50
  • Iron Chelating Agents / chemical synthesis
  • Iron Chelating Agents / chemistry
  • Iron Chelating Agents / pharmacology
  • Iron Chelating Agents / therapeutic use
  • Maze Learning / drug effects
  • Mice
  • Mice, Inbred ICR
  • Monoamine Oxidase / chemistry
  • Monoamine Oxidase / metabolism
  • Monoamine Oxidase Inhibitors / chemical synthesis
  • Monoamine Oxidase Inhibitors / chemistry*
  • Monoamine Oxidase Inhibitors / pharmacology
  • Monoamine Oxidase Inhibitors / therapeutic use
  • Pargyline / analogs & derivatives*
  • Pargyline / chemistry
  • Propylamines / chemistry*
  • Pyridines / chemistry*
  • Structure-Activity Relationship

Substances

  • Iron Chelating Agents
  • Monoamine Oxidase Inhibitors
  • Propylamines
  • Pyridines
  • hydroxypyridines
  • propargylamine
  • Pargyline
  • Monoamine Oxidase