A novel near-infrared fluorescent probe for detection of early-stage Aβ protofibrils in Alzheimer's disease

Chem Commun (Camb). 2020 Feb 6;56(11):1625-1628. doi: 10.1039/c9cc09233a.

Abstract

Detection of Aβ protofibrils at the early stage of Alzheimer's disease was realized by a novel near-infrared probe (DCM-AN) based on dicyanomethylene-4H-pyran. This probe exhibits high affinity towards Aβ protofibrils in vitro and in brain sections of transgenic mouse models for Alzheimer's disease.

MeSH terms

  • 2-Naphthylamine / analogs & derivatives
  • 2-Naphthylamine / chemical synthesis
  • 2-Naphthylamine / toxicity
  • Alzheimer Disease / metabolism*
  • Alzheimer Disease / pathology
  • Amyloid beta-Peptides / analysis*
  • Animals
  • Brain / metabolism
  • Brain / pathology
  • Female
  • Fluorescent Dyes / chemistry*
  • Fluorescent Dyes / toxicity
  • Limit of Detection
  • Male
  • Mice, Inbred C57BL
  • Mice, Transgenic
  • Molecular Docking Simulation
  • Molecular Dynamics Simulation
  • Nitriles / chemical synthesis
  • Nitriles / chemistry
  • Nitriles / toxicity
  • Spectrometry, Fluorescence / methods

Substances

  • Amyloid beta-Peptides
  • Fluorescent Dyes
  • Nitriles
  • 2-Naphthylamine