期刊
SCIENCE SIGNALING
卷 9, 期 454, 页码 -出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/scisignal.aah7102
关键词
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资金
- Colton-Nadal Fund at Tel Aviv University
- Israeli Chief Scientist Office Project [51381]
Development of protein kinase inhibitors is a focus of many drug discovery programs. A major problem, however, is the limited specificity of the commonly used adenosine triphosphate-competitive inhibitors and the weak inhibition of the more selective substrate-competitive inhibitors. Glycogen synthase kinase-3 (GSK-3) is a promising drug target for treating neurodegenerative disorders, including Alzheimer's disease (AD), but most GSK-3 inhibitors have not reached the clinic. We describe a new type of GSK-3 inhibitor, L807mts, that acts through a substrate-to-inhibitor conversion mechanism that occurs within the catalytic site of the enzyme. We determined that L807mts was a potent and highly selective GSK-3 inhibitor with reasonable pharmacological and safety properties when tested in rodents. Treatment with L807mts enhanced the clearance of beta amyloid loads, reduced inflammation, enhanced autophagic flux, and improved cognitive and social skills in the 5XFAD AD mouse model. This new modality of GSK-3 inhibition may be therapeutic in patients with AD or other central nervous system disorders associated with dysregulated GSK-3.
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