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EMBO Mol Med. 2018 Jan;10(1):32-47. doi: 10.15252/emmm.201707825.

The diphenylpyrazole compound anle138b blocks Aβ channels and rescues disease phenotypes in a mouse model for amyloid pathology.

Author information

1
Department for Epigenetics and Systems Medicine in Neurodegenerative Diseases, German Center for Neurodegenerative Diseases (DZNE), Göttingen, Germany.
2
Department for Genes and Behavior, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany.
3
Department of Bioengineering, Materials Science and Engineering, Department of Mechanical and Aerospace Engineering and Institute of Engineering in Medicine, University of California San Diego, La Jolla, CA, USA.
4
Department of NMR Based Structural Biology, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany.
5
DFG Research Center Nanoscale Microscopy and Molecular Physiology of the Brain, Göttingen, Germany.
6
Department of Psychiatry and Psychotherapy, University Medical Center Göttingen, Göttingen, Germany.
7
Department of Cellular Neurobiology, Technical University Braunschweig, Braunschweig, Germany.
8
Department of Translational Structural Biology of Dementia, German Center for Neurodegenerative Diseases (DZNE), Göttingen, Germany.
9
Group for Translational Research in Neurodegenerative Diseases, German Center for Neurodegenerative Diseases (DZNE) Göttingen, Göttingen, Germany.
10
Group for Neuroimmunology and Imaging, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.
11
Department of Physiology and Biochemistry, Centre for Molecular Medicine and Biobanking, University of Malta, Msida, Malta.
12
Department of Neurology, University Medical Center Göttingen, University of Göttingen, Göttingen, Germany.
13
Life Sciences and Chemistry, Jacobs University of Bremen, Bremen, Germany.
14
Center for Neuropathology and Prion Research, Ludwig-Maximilians-University Munich, Munich, Germany.
15
Department of Cellular Neurobiology, Technical University Braunschweig, Braunschweig, Germany m.korte@tu-braunschweig.de rlal@ucsd.edu cigr@nmr.mpibpc.mpg.de gregor.eichele@mpibpc.mpg.de afische2@gwdg.de.
16
Helmholtz Center for Infections Research, Braunschweig, Germany.
17
Department of Bioengineering, Materials Science and Engineering, Department of Mechanical and Aerospace Engineering and Institute of Engineering in Medicine, University of California San Diego, La Jolla, CA, USA m.korte@tu-braunschweig.de rlal@ucsd.edu cigr@nmr.mpibpc.mpg.de gregor.eichele@mpibpc.mpg.de afische2@gwdg.de.
18
Department of NMR Based Structural Biology, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany m.korte@tu-braunschweig.de rlal@ucsd.edu cigr@nmr.mpibpc.mpg.de gregor.eichele@mpibpc.mpg.de afische2@gwdg.de.
19
Department for Genes and Behavior, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany m.korte@tu-braunschweig.de rlal@ucsd.edu cigr@nmr.mpibpc.mpg.de gregor.eichele@mpibpc.mpg.de afische2@gwdg.de.
20
Department for Epigenetics and Systems Medicine in Neurodegenerative Diseases, German Center for Neurodegenerative Diseases (DZNE), Göttingen, Germany m.korte@tu-braunschweig.de rlal@ucsd.edu cigr@nmr.mpibpc.mpg.de gregor.eichele@mpibpc.mpg.de afische2@gwdg.de.
#
Contributed equally

Abstract

Alzheimer's disease is a devastating neurodegenerative disease eventually leading to dementia. An effective treatment does not yet exist. Here we show that oral application of the compound anle138b restores hippocampal synaptic and transcriptional plasticity as well as spatial memory in a mouse model for Alzheimer's disease, when given orally before or after the onset of pathology. At the mechanistic level, we provide evidence that anle138b blocks the activity of conducting Aβ pores without changing the membrane embedded Aβ-oligomer structure. In conclusion, our data suggest that anle138b is a novel and promising compound to treat AD-related pathology that should be investigated further.

KEYWORDS:

Alzheimer's disease; Aβ channels; amyloid pathology; gene expression; membrane pores

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