Cited by 275Parkinson's Disease Mechanisms and TreatmentsNuclear Receptors and SignalingProtein Kinase Regulation and GTPase Signaling

A neo-substrate that amplifies catalytic activity of Parkinson's-disease-related kinase PINK1

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Hertz, Nicholas T., Berthet, Amandine, Sos, Martin L., Thorn, Kurt S., Burlingame, Al L., Nakamura, Ken, Shokat, Kevan M.·2013·Cell

Abstract

Mitochondria have long been implicated in the pathogenesis of Parkinson's disease (PD). Mutations in the mitochondrial kinase PINK1 that reduce kinase activity are associated with mitochondrial defects and result in an autosomal-recessive form of early-onset PD. Therapeutic approaches for enhancing the activity of PINK1 have not been considered because no allosteric regulatory sites for PINK1 are known. Here, we show that an alternative strategy, a neo-substrate approach involving the ATP analog kinetin triphosphate (KTP), can be used to increase the activity of both PD-related mutant PINK1(G309D) and PINK1(WT). Moreover, we show that application of the KTP precursor kinetin to cells results in biologically significant increases in PINK1 activity, manifest as higher levels of Parkin recruitment to depolarized mitochondria, reduced mitochondrial motility in axons, and lower levels of apoptosis. Discovery of neo-substrates for kinases could provide a heretofore-unappreciated modality for regulating kinase activity.

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Crossref · 10.1016/j.cell.2013.07.030

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Authors
Hertz, N. T., Berthet, A., Sos, M. L., Thorn, K. S., Burlingame, A. L., Nakamura, K., & Shokat, K. M.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Gladstone Institutes (US)
  • University of California, San Francisco (US)
Corresponding author
Shokat, Kevan M.
Venue
Cell
Publisher
Elsevier BV
Published
2013-08
Volume
154
Issue
4
Pages
737-747
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2044235925
Cited by
275
References
81
Citations by year
2026: 19 · 2025: 13 · 2024: 16 · 2023: 18 · 2022: 26 · 2021: 31 · 2020: 25 · 2019: 25 · 2018: 23 · 2017: 28 · 2016: 18 · 2015: 13 · 2014: 12 · 2013: 7
FWCI
10.57
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • Wellcome Trust
  • National Institutes of Health (5r01eb001987-15)
  • National Institute of General Medical Sciences (P41GM103481)
  • National Institute of Neurological Disorders and Stroke (P30NS069496, 1KO8NS062954-01A1, K08NS062954)
  • National Institute of Biomedical Imaging and Bioengineering (R01-EB001987)
  • National Center for Research Resources (RR015804, RR 001614, P41RR001614, S10RR015804)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
Keywords
PINK1, Parkinson's disease, kinase activation, mitochondrial depolarization, mitochondrial motility, axons, apoptosis, allosteric regulation, mitochondrial dysfunction
MeSH terms
PTEN-Induced Putative Kinase, Adenosine Triphosphate, Amino Acid Sequence, Animals, Axons, Cell Line, Cells, Cultured, Hippocampus, Humans, Kinetin, Mice, Inbred C57BL, Mitochondria, Molecular Sequence Data, Neurons, Parkinson Disease, Phosphorylation, Protein Kinases, Sequence Alignment, Apoptosis, Ubiquitin-Protein Ligases, bcl-X Protein, Mice, Rats

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