Journal
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
Volume 238, Issue -, Pages -Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2022.114503
Keywords
2; 3-Dihydro-1 H -inden-1-ones; PDE4 inhibitors; AChE inhibitors; Selectivity; Alzheimer?s disease
Categories
Funding
- Foundation for National Natural Science Foundation of China [81872735]
- Guangdong Basic and Applied Basic Reuter Foundation [2018A030313046]
- Guangzhou Science and Technology Plan Project [202102080483]
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The discovery of multifunctional molecules targeting different factors in dementia treatment is of significant importance. A study synthesized and evaluated twenty-eight novel compounds as dual PDE4/AChE inhibitors for Alzheimer's disease. Among them, compound 12C showed satisfactory inhibitory activities and selectivity against AChE and PDE4D, demonstrating potential as a multifunctional agent for AD treatment. It exhibited comparable neuroprotective effect and stronger anti-neuroinflammation compared to donepezil.
Recently, the discovery of multifunctional molecules that target different factors in the treatment of dementia is a significant research area. Both PDE4 and AChE inhibitors display improvement in cognitive and memory function. In this study, twenty-eight novel 2,3-dihydro-1H-inden-1-ones were designed, synthesized, and evaluated as catechol ether-based dual PDE4/AChE inhibitors to treat Alzheimer's disease (AD). Among these compounds, 12C bearing a 2-(piperidin-1-yl)ethoxy group at the 6-position of indanone ring displayed satisfactory inhibitory activities and selectivity against AChE (IC50 = 0.28 mu M) and PDE4D (IC50 = 1.88 mu M). Compared with donepezil, 12C revealed a comparable neuroprotective effect. Moreover, 12C exhibited comparable AChE inhibitory activity with donepezil in the hippocampus of AD model mice. Interestingly, 12C displayed more potent antineuroinflammation than the donepezil and drug combination (donepezil + rolipram) groups. These results suggest that 12C is a promising multifunctional agent for the treatment of AD.
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