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April 10, 2026Journal of Cellular and Molecular MedicineOpen Access

DAPK1 ‐Mediated Parkin Inactivation Enhances Neurotoxicity via MITOL ‐Dependent Degradation

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Authors

CPChul Hong ParkDSDonghyuk ShinKCKwang Chul Chung

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Overview

Findings reveal that DAPK1 modulates parkin activity, leading to increased toxicity in neurodegenerative conditions.

Key Points

  • This research investigates the role of DAPK1 in modulating parkin activity and its impact on neurodegeneration in Parkinson's disease.
  • Examined phosphorylation of parkin by DAPK1 at specific serine residues.
  • Analyzed the interaction between parkin and MITOL in mitochondrial pathways.
  • Assessed toxicity in neuronal cells using 6-hydroxydopamine.
  • The phosphorylation of parkin by DAPK1 promotes its mitochondrial transport and degradation.
  • Reduced levels of parkin increase neuronal vulnerability to neurotoxic agents.
  • DAPK1 acts as a modulator of parkin-related neurodegenerative processes.

Cite This Study

Park et al. (2026) studied this question.

synapsesocial.com/papers/69d894ec6c1944d70ce05de6https://doi.org/10.1111/jcmm.71132
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Inhibition of Death-Associated Protein Kinase 1 ameliorates central and peripheral pathological changes in a mouse model of Parkinson’s disease2026
  2. 2Death-Associated Protein Kinase 1 (DAPK1) Signalling at the Crossroads of Apoptosis, Autophagy, and Post-transcriptional Cascades in Neurodegenerative Diseases2026
  3. 3PINK1-mediated phosphorylation of the Parkin ubiquitin-like domain primes mitochondrial translocation of Parkin and regulates mitophagy2012 · 586 citations
  4. 4PINK1-parkin-dependent mitophagy involves ubiquitination of mitofusins 1 and 2: Implications for Parkinson disease pathogenesis2011 · 108 citations
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