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http://purl.uniprot.org/citations/26930193http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/26930193http://www.w3.org/2000/01/rdf-schema#comment"

Background

Recent studies have linked certain single nucleotide polymorphisms in the leucine-rich repeat kinase 2 (LRRK2) gene with Parkinson's disease (PD). Among the mutations, LRRK2 c.4883G>C (R1628P) variant was identified to have a significant association with the risk of PD in ethnic Han-Chinese populations. But the molecular pathological mechanisms of R1628P mutation in PD is still unknown.

Principle findings

Unlike other LRRK2 mutants in the Roc-COR-Kinase domain, the R1628P mutation didn't alter the LRRK2 kinase activity and promote neuronal death directly. LRRK2 R1628P mutation increased the binding affinity of LRRK2 with Cyclin-dependent kinase 5 (Cdk5). Interestingly, R1628P mutation turned its adjacent amino acid residue S1627 on LRRK2 protein to a novel phosphorylation site of Cdk5, which could be defined as a typical type II (+) phosphorylation-related single nucleotide polymorphism. Importantly, we showed that the phosphorylation of S1627 by Cdk5 could activate the LRRK2 kinase, and neurons ectopically expressing R1628P displayed a higher sensitivity to 1-methyl-4-phenylpyridinium, a bioactive metabolite of environmental toxin MPTP, in a Cdk5-dependent manner.

Conclusion

Our data indicate that Parkinson-related LRRK2 mutation R1628P leads to Cdk5 phosphorylation of LRRK2 at S1627, which would upregulate the kinase activity of LRRK2 and consequently cause neuronal death."xsd:string
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http://purl.uniprot.org/citations/26930193http://purl.uniprot.org/core/author"Wang Q."xsd:string
http://purl.uniprot.org/citations/26930193http://purl.uniprot.org/core/author"Zhang P."xsd:string
http://purl.uniprot.org/citations/26930193http://purl.uniprot.org/core/author"Tian B."xsd:string
http://purl.uniprot.org/citations/26930193http://purl.uniprot.org/core/author"Shu Y."xsd:string
http://purl.uniprot.org/citations/26930193http://purl.uniprot.org/core/author"Jiao F."xsd:string
http://purl.uniprot.org/citations/26930193http://purl.uniprot.org/core/author"Ming J."xsd:string
http://purl.uniprot.org/citations/26930193http://purl.uniprot.org/core/date"2016"xsd:gYear
http://purl.uniprot.org/citations/26930193http://purl.uniprot.org/core/name"PLoS One"xsd:string
http://purl.uniprot.org/citations/26930193http://purl.uniprot.org/core/pages"e0149739"xsd:string
http://purl.uniprot.org/citations/26930193http://purl.uniprot.org/core/title"Parkinson-Related LRRK2 Mutation R1628P Enables Cdk5 Phosphorylation of LRRK2 and Upregulates Its Kinase Activity."xsd:string
http://purl.uniprot.org/citations/26930193http://purl.uniprot.org/core/volume"11"xsd:string
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