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| http://purl.uniprot.org/citations/28751497 | http://www.w3.org/2000/01/rdf-schema#comment | "Cdk5 deregulation is highly neurotoxic in Alzheimer's disease (AD). We identified Mcl-1 as a direct Cdk5 substrate using an innovative chemical screen in mouse brain lysates. Our data demonstrate that Mcl-1 levels determine the threshold for cellular damage in response to neurotoxic insults. Mcl-1 is a disease-specific target of Cdk5, which associates with Cdk5 under basal conditions, but is not regulated by it. Neurotoxic insults hyperactivate Cdk5 causing Mcl-1 phosphorylation at T92. This phosphorylation event triggers Mcl-1 ubiquitylation, which directly correlates with mitochondrial dysfunction. Consequently, ectopic expression of phosphorylation-dead T92A-Mcl-1 fully prevents mitochondrial damage and subsequent cell death triggered by neurotoxic treatments in neuronal cells and primary cortical neurons. Notably, enhancing Mcl-1 levels offers comparable neuroprotection to that observed upon Cdk5 depletion, suggesting that Mcl-1 degradation by direct phosphorylation is a key mechanism by which Cdk5 promotes neurotoxicity in AD. The clinical significance of the Mcl-1-Cdk5 axis was investigated in human AD clinical specimens, revealing an inverse correlation between Mcl-1 levels and disease severity. These results emphasize the potential of Mcl-1 upregulation as an attractive therapeutic strategy for delaying or preventing neurodegeneration in AD."xsd:string |
| http://purl.uniprot.org/citations/28751497 | http://purl.org/dc/terms/identifier | "doi:10.1242/jcs.205666"xsd:string |
| http://purl.uniprot.org/citations/28751497 | http://purl.uniprot.org/core/author | "Shah K."xsd:string |
| http://purl.uniprot.org/citations/28751497 | http://purl.uniprot.org/core/author | "Nikhil K."xsd:string |
| http://purl.uniprot.org/citations/28751497 | http://purl.uniprot.org/core/date | "2017"xsd:gYear |
| http://purl.uniprot.org/citations/28751497 | http://purl.uniprot.org/core/name | "J Cell Sci"xsd:string |
| http://purl.uniprot.org/citations/28751497 | http://purl.uniprot.org/core/pages | "3023-3039"xsd:string |
| http://purl.uniprot.org/citations/28751497 | http://purl.uniprot.org/core/title | "The Cdk5-Mcl-1 axis promotes mitochondrial dysfunction and neurodegeneration in a model of Alzheimer's disease."xsd:string |
| http://purl.uniprot.org/citations/28751497 | http://purl.uniprot.org/core/volume | "130"xsd:string |
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