Journal
JOURNAL OF MEDICINAL CHEMISTRY
Volume 57, Issue 6, Pages 2549-2567Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jm401824w
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Funding
- Ministerio de Ciencia e Innovacion (MICINN) [CTQ2011-22433, SAF2009-10553, SAF2011-27642]
- Generalitat de Catalunya (GC) [2009SGR1396, 2009SGR249]
- University of Bologna
- Italian Ministry of Education (MIUR, FFO-Fondo Finanziamento Ordinario)
- Uni-Rimini SpA
- CONICYT-PFB [12/2007]
- GC
- FIS
- CONICYT
- Ramon y Cajal program of MICINN
- ICREA
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We have synthesized a family of rhein huprine hybrids to hit several key targets for Alzheimer's disease. Biological screening performed in vitro and in Escherichia coli cells has shown that these hybrids exhibit potent inhibitory activities against human acetylcholinesterase, butyrylcholinesterase, and BACE-1, dual A beta 42 and-tau antiaggregating activity, and brain permeability. Ex vivo studies with the leads (+)- and (-)-7e in brain slices of C57bl6 mice have revealed that they efficiently protect against the A beta-induced synaptic dysfunction, preventing the loss of synaptic proteins and/or have a positive effect on the induction of long-term potentiation. hi vivo studies in APP-PSI transgenic mice treated ip for 4 weeks with (+)- and (-)-7e have shown a central soluble A beta lowering effect, accompanied by an increase in the levels of mature amyloid precursor protein (APP). Thus, (+)- and (-)-7e emerge as very promising disease-modifying anti-Alzheimer drug candidates.
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