Cited by 478Autophagy in Disease and TherapyParkinson's Disease Mechanisms and TreatmentsUbiquitin and proteasome pathways

The PINK1-Parkin pathway promotes both mitophagy and selective respiratory chain turnover in vivo

Open access
Vincow, Evelyn S., Merrihew, Gennifer, Thomas, Ruth E., Shulman, Nicholas J., Beyer, Richard P., MacCoss, Michael J., Pallanck, Leo J.·2013·Proceedings of the National Academy of Sciences

Abstract

The accumulation of damaged mitochondria has been proposed as a key factor in aging and the pathogenesis of many common age-related diseases, including Parkinson disease (PD). Recently, in vitro studies of the PD-related proteins Parkin and PINK1 have found that these factors act in a common pathway to promote the selective autophagic degradation of damaged mitochondria (mitophagy). However, whether Parkin and PINK1 promote mitophagy under normal physiological conditions in vivo is unknown. To address this question, we used a proteomic approach in Drosophila to compare the rates of mitochondrial protein turnover in parkin mutants, PINK1 mutants, and control flies. We found that parkin null mutants showed a significant overall slowing of mitochondrial protein turnover, similar to but less severe than the slowing seen in autophagy-deficient Atg7 mutants, consistent with the model that Parkin acts upstream of Atg7 to promote mitophagy. By contrast, the turnover of many mitochondrial respiratory chain (RC) subunits showed greater impairment in parkin than Atg7 mutants, and RC turnover was also selectively impaired in PINK1 mutants. Our findings show that the PINK1–Parkin pathway promotes mitophagy in vivo and, unexpectedly, also promotes selective turnover of mitochondrial RC subunits. Failure to degrade damaged RC proteins could account for the RC deficits seen in many PD patients and may play an important role in PD pathogenesis.

Integrity signals

Registry

Crossref · 10.1073/pnas.1221132110

Cites

45 of 45 references verified0 citation errors · 0 not checkable

Statistics

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

Claims the paper makes

We couldn’t retrieve this paper’s full text, 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
Vincow, E. S., Merrihew, G., Thomas, R. E., Shulman, N. J., Beyer, R. P., MacCoss, M. J., & Pallanck, L. J.
Affiliations
University of Washington (US)
Venue
Proceedings of the National Academy of Sciences
Published
2013-03-18
Volume
110
Issue
16
Pages
6400-6405
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2011124366
Cited by
478
References
45
Citations by year
2026: 18 · 2025: 20 · 2024: 20 · 2023: 21 · 2022: 39 · 2021: 36 · 2020: 44 · 2019: 35 · 2018: 37 · 2017: 35 · 2016: 47 · 2015: 41 · 2014: 58 · 2013: 25
FWCI
41.53
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute on Aging (P30AG013280)
  • National Institute of General Medical Sciences (P41GM103551, R01GM103551, P41GM103533, R01GM086394)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK069386)
Topics
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
Keywords
PINK1, Parkin, mitophagy, selective autophagy, mitochondrial protein turnover, Parkinson's disease, ATG7, Drosophila, damaged mitochondria, aging
MeSH terms
Autophagy-Related Protein 7, PTEN-Induced Putative Kinase, Animals, Brain, Drosophila, Electron Transport, Half-Life, Isotope Labeling, Parkinson Disease, Mass Spectrometry, Signal Transduction, Protein Serine-Threonine Kinases, Mitochondrial Proteins, Drosophila Proteins, Ubiquitin-Protein Ligases, Mice, Mitophagy

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