Cited by 1,705Parkinson's Disease Mechanisms and TreatmentsNuclear Receptors and SignalingAutophagy in Disease and Therapy

Mitochondrial dysfunction in Drosophila PINK1 mutants is complemented by parkin

Park, Jeehye, Lee, Sung Bae, Lee, Sungkyu, Kim, Yongsung, Song, Saera, Kim, Sunhong, Bae, Eunkyung, Kim, Jaeseob +3 more·2006·Nature

Abstract

Autosomal recessive juvenile parkinsonism (AR-JP) is an early-onset form of Parkinson's disease characterized by motor disturbances and dopaminergic neurodegeneration. To address its underlying molecular pathogenesis, we generated and characterized loss-of-function mutants of Drosophila PTEN-induced putative kinase 1 (PINK1), a novel AR-JP-linked gene. Here, we show that PINK1 mutants exhibit indirect flight muscle and dopaminergic neuronal degeneration accompanied by locomotive defects. Furthermore, transmission electron microscopy analysis and a rescue experiment with Drosophila Bcl-2 demonstrated that mitochondrial dysfunction accounts for the degenerative changes in all phenotypes of PINK1 mutants. Notably, we also found that PINK1 mutants share marked phenotypic similarities with parkin mutants. Transgenic expression of Parkin markedly ameliorated all PINK1 loss-of-function phenotypes, but not vice versa, suggesting that Parkin functions downstream of PINK1. Taken together, our genetic evidence clearly establishes that Parkin and PINK1 act in a common pathway in maintaining mitochondrial integrity and function in both muscles and dopaminergic neurons.

Integrity signals

Registry

Crossref · 10.1038/nature04788

Cites

2 of 2 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Park, J., Lee, S. B., Lee, S., Kim, Y., Song, S., Kim, S., Bae, E., Kim, J., Shong, M., Kim, J.-M., & Chung, J.
Affiliations
Korea Advanced Institute of Science and Technology (KR)
Corresponding author
Chung, Jongkyeong
Venue
Nature
Published
2006-05-03
Volume
441
Issue
7097
Pages
1157-1161
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2050849483
Cited by
1,705
References
2
Citations by year
2026: 28 · 2025: 51 · 2024: 59 · 2023: 71 · 2022: 77 · 2021: 79 · 2020: 103 · 2019: 69 · 2018: 103 · 2017: 82 · 2016: 82 · 2015: 102 · 2014: 103 · 2013: 101 · 2012: 105
FWCI
63.17
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
Korea Basic Science Institute
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
Keywords
PINK1, Parkin, mitochondrial dysfunction, autosomal recessive juvenile parkinsonism, Parkinson's disease, dopaminergic neuron loss, Bcl-2, E3 ubiquitin ligase, loss-of-function mutants, gene complementation, neurodegeneration, Drosophila
MeSH terms
PTEN-Induced Putative Kinase, Animals, Brain, Dopamine, Drosophila melanogaster, Genetic Complementation Test, Mitochondria, Motor Activity, Mutation, Nerve Degeneration, Neurons, Phenotype, Protein Kinases, Muscle, Skeletal, Drosophila Proteins, Animals, Genetically Modified, Ubiquitin-Protein Ligases

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review