Abstract |
Chelators have the potential to treat the underlying cause of Alzheimer's disease (AD), but their therapeutic use is hampered by their poor targeting and poor permeability to the brain and/or toxic effects. Here, we report a new strategy for designing site-activated chelators targeting both acetylcholinesterase (AChE) and monoamine oxidase ( MAO). We demonstrated that our lead 2 inhibited both AChE and MAO in vitro, but with little affinity for metal (Fe, Cu, and Zn) ions. Compound 2 can be activated by inhibition of AChE to release an active chelator M30. M30 has been shown to be able to modulate amyloid precursor protein regulation and beta-amyloid reduction, suppress oxidative stress, and passivate excess metal ions (Fe, Cu, and Zn). Compound 2 was less cytotoxic and more lipophilic than the brain-permeable chelator M30. Our new strategy is relatively simple and generally produces small and simple molecules with drug-like properties; it thus holds a potential use in designing site-activated multifunctional chelators with safer and more efficacious properties for treating other metal-related diseases such as Parkinson's disease and cancer where specific elimination of metals in cancer cells is required.
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Authors | Hailin Zheng, Moussa B H Youdim, Mati Fridkin |
Journal | ACS chemical biology
(ACS Chem Biol)
Vol. 5
Issue 6
Pg. 603-10
(Jun 18 2010)
ISSN: 1554-8937 [Electronic] United States |
PMID | 20455574
(Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
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Chemical References |
- Chelating Agents
- Cholinesterase Inhibitors
- Metals
- Monoamine Oxidase Inhibitors
- Monoamine Oxidase
- Acetylcholinesterase
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Topics |
- Acetylcholinesterase
(metabolism)
- Alzheimer Disease
(drug therapy, enzymology)
- Animals
- Cell Line, Tumor
- Cell Survival
(drug effects)
- Chelating Agents
(chemical synthesis, chemistry, pharmacology)
- Cholinesterase Inhibitors
(chemical synthesis, chemistry, pharmacology)
- Drug Design
- Humans
- Metals
(metabolism)
- Molecular Structure
- Monoamine Oxidase
(metabolism)
- Monoamine Oxidase Inhibitors
(chemical synthesis, chemistry, pharmacology)
- Rats
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