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Issue 11, 2013
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A novel hybrid of 6-chlorotacrine and metal–amyloid-β modulator for inhibition of acetylcholinesterase and metal-induced amyloid-β aggregation

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Abstract

The number of people suffering from Alzheimer's disease (AD) is expected to increase dramatically in the coming decades. Currently, acetylcholinesterase inhibitors (AChEis) provide some relief of cognitive symptoms, while newer approaches, such as amyloid-β (Aβ)-targeted metal chelation, offer potential hope for slowing and/or reversing disease progression. This work details the synthesis and biochemical evaluation of a novel hybrid of 6-chlorotacrine and a metal–Aβ modulator that chemically combines an AChEi and an Aβ-targeted metal chelator into a single molecule. This hybrid shows potent inhibition of AChE under various conditions, interaction with Cu2+ and Zn2+, control of metal-free and metal-induced Aβ aggregate assembly, and disaggregation of preformed metal-free and metal-associated Aβ aggregates. As such, the hybrid described herein represents a promising, new multifunctional compound for AD studies.

Graphical abstract: A novel hybrid of 6-chlorotacrine and metal–amyloid-β modulator for inhibition of acetylcholinesterase and metal-induced amyloid-β aggregation

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Publication details

The article was received on 07 Jul 2013, accepted on 19 Jul 2013 and first published on 23 Jul 2013


Article type: Edge Article
DOI: 10.1039/C3SC51902C
Citation: Chem. Sci., 2013,4, 4137-4145

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    A novel hybrid of 6-chlorotacrine and metal–amyloid-β modulator for inhibition of acetylcholinesterase and metal-induced amyloid-β aggregation

    A. Kochi, T. J. Eckroat, K. D. Green, A. S. Mayhoub, M. H. Lim and S. Garneau-Tsodikova, Chem. Sci., 2013, 4, 4137
    DOI: 10.1039/C3SC51902C

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