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Current Alzheimer Research

Editor-in-Chief

ISSN (Print): 1567-2050
ISSN (Online): 1875-5828

Review Article

Drug Development of Small-Molecule Inhibitors of AD-Relevant Kinases as Novel Perspective Multitargeted Approach

Author(s): V. Tell, I. Hilbrich, M. Holzer, Frank Totzke, Christoph Schachtele, Inna Slynko, Wolfgang Sippl and A. Hilgeroth

Volume 13 , Issue 12 , 2016

Page: [1330 - 1336] Pages: 7

DOI: 10.2174/1567205013666160615091821

Price: $65

Abstract

So far monotargeted therapies in Alzheimers disease (AD) led to insufficient results. Slight improvements in the AD symptomatics have been limited to patients in the early stage of the disease. So multitargeting approaches have been started addressing amyloid plaques as preferred primary target structures beside acetylcholine esterase inhibition. Various protein kinases have been discussed to make a contribution to the progression of AD. So protein kinases are promising target structures for a perspective multitargeting. We identified substituted smallmolecule protein kinase inhibitors of the tricyclic benzofuropyridine type which showed partly nanomolar affinities to AD-relevant glycogen synthase kinase (gsk) 3β, extracellular-signal regulated kinase (ERK) 2 and C-Jun-N-terminal kinase (JNK) 3. Substituent-dependent effects on the respective kinase inhibitions are discussed and inhibitor binding modes to those kinases are presented based on enzyme docking studies. Inhibitor effects on the tau protein target structure are shown for first compounds in cellular studies to prove the enzyme conditioned effects.

Keywords: Multitargeted approach, substituent effects, kinase inhibition, tau protein, enzyme binding, total tau.


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