Cited by 798Parkinson's Disease Mechanisms and TreatmentsNuclear Receptors and SignalingMitochondrial Function and Pathology

Mitochondrial pathology and muscle and dopaminergic neuron degeneration caused by inactivation of Drosophila Pink1 is rescued by Parkin

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Yang, Yufeng, Gehrke, Stephan, Imai, Yuzuru, Huang, Zhinong, Ouyang, Yingshi, Wang, Ji-Wu, Yang, Lichuan, Beal, M. Flint +2 more·2006·Proceedings of the National Academy of Sciences

Abstract

Mutations in Pink1, a gene encoding a Ser/Thr kinase with a mitochondrial-targeting signal, are associated with Parkinson's disease (PD), the most common movement disorder characterized by selective loss of dopaminergic neurons. The mechanism by which loss of Pink1 leads to neurodegeneration is not understood. Here we show that inhibition of Drosophila Pink1 (dPink1) function results in energy depletion, shortened lifespan, and degeneration of select indirect flight muscles and dopaminergic neurons. The muscle pathology was preceded by mitochondrial enlargement and disintegration. These phenotypes could be rescued by the wild type but not the pathogenic C-terminal deleted form of human Pink1 (hPink1). The muscle and dopaminergic phenotypes associated with dPink1 inactivation show similarity to that seen in parkin mutant flies and could be suppressed by the overexpression of Parkin but not DJ-1. Consistent with the genetic rescue results, we find that, in dPink1 RNA interference (RNAi) animals, the level of Parkin protein is significantly reduced. Together, these results implicate Pink1 and Parkin in a common pathway that regulates mitochondrial physiology and cell survival in Drosophila.

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Authors
Yang, Y., Gehrke, S., Imai, Y., Huang, Z., Ouyang, Y., Wang, J.-W., Yang, L., Beal, M. F., Vogel, H., & Lu, B.
Affiliations
  • VA Palo Alto Health Care System (US)
  • *Department of Pathology and
  • Cornell University (US)
Venue
Proceedings of the National Academy of Sciences
Published
2006-07-11
Volume
103
Issue
28
Pages
10793-10798
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2137651420
Cited by
798
References
41
Citations by year
2026: 14 · 2025: 13 · 2024: 26 · 2023: 17 · 2022: 35 · 2021: 35 · 2020: 50 · 2019: 24 · 2018: 47 · 2017: 38 · 2016: 37 · 2015: 39 · 2014: 49 · 2013: 47 · 2012: 44
FWCI
38.51
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • McKnight Foundation
  • Japan Society for the Promotion of Science
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 › Mitochondrial Function and Pathology
Keywords
PINK1, Parkin, mitochondrial dysfunction, dopaminergic neuron loss, Parkinson's disease, Drosophila, mitochondrial fission, energy depletion, lifespan, genetic rescue, DJ-1, cell survival
MeSH terms
PTEN-Induced Putative Kinase, Animals, Drosophila melanogaster, Humans, Mitochondria, Muscles, Nerve Degeneration, Neurons, Parkinson Disease, Protein Kinases, Signal Transduction, Gene Silencing, Drosophila Proteins, Animals, Genetically Modified, RNA Interference, Ubiquitin-Protein Ligases

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