Cited by 142Alzheimer's disease research and treatmentsPrion Diseases and Protein MisfoldingAmyotrophic Lateral Sclerosis Research

Mechanisms of protein toxicity in neurodegenerative diseases

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Chung, Chang Geon, Lee, Hyosang, Lee, Sung Bae·2018·Cellular and Molecular Life Sciences

Abstract

Protein toxicity can be defined as all the pathological changes that ensue from accumulation, mis-localization, and/or multimerization of disease-specific proteins. Most neurodegenerative diseases manifest protein toxicity as one of their key pathogenic mechanisms, the details of which remain unclear. By systematically deconstructing the nature of toxic proteins, we aim to elucidate and illuminate some of the key mechanisms of protein toxicity from which therapeutic insights may be drawn. In this review, we focus specifically on protein toxicity from the point of view of various cellular compartments such as the nucleus and the mitochondria. We also discuss the cell-to-cell propagation of toxic disease proteins that complicates the mechanistic understanding of the disease progression as well as the spatiotemporal point at which to therapeutically intervene. Finally, we discuss selective neuronal vulnerability, which still remains largely enigmatic.

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  • The buildup of neurotoxic agents causes neuronal damage and death, which can lead to neurological dysfunction including cognitive decline, motor abnormalities, mental disorders, and loss of inhibition.

    “The buildup of neurotoxic agents is believed to cause neuronal damage and death, which can ultimately lead to various forms of neurological dysfunction that include cognitive decline, motor abnormalities, mental disorders, and loss of inhibition (Chung et al., 2018; Taylor et al., 2002; Vickers et al., 2009).”

    From SYK coordinates neuroprotective microglial responses in neurodegenerative disease (2022) · cites this paper as Chung et al., 2018

    The Introduction describes toxic protein accumulation as contributing to neurodegenerative disease and identifies memory impairment, motor problems, neuronal dysfunction, and eventual cell death. The Discussion and future perspectives section also notes psychiatric symptoms, but says their molecular link to neurodegeneration remains undefined. The paper does not substantiate loss of inhibition, and its account concerns toxic proteins rather than neurotoxic agents generally. (LLM, conf=0.85)

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  • SYK coordinates neuroprotective microglial responses in neurodegenerative disease

    Ennerfelt, H., Frost, E. L., Shapiro, D. A., Holliday, C., Zengeler, K. E., Voithofer, G., Bolte, A. C., Lammert, C. R., Kulas, J. A., Ulland, T. K., et al. (2022) · Cell · doi:10.1016/j.cell.2022.09.030 · Cited by 329 · see citing works

    “The buildup of neurotoxic agents is believed to cause neuronal damage and death, which can ultimately lead to various forms of neurological dysfunction that include cognitive decline, motor abnormalities, mental disorders, and loss of inhibition (Chung et al., 2018; Taylor et al., 2002; Vickers et al., 2009).”

Authors
Chung, C. G., Lee, H., & Lee, S. B.
Affiliations
Daegu Gyeongbuk Institute of Science and Technology (KR)
Corresponding author
  • Lee, Hyosang
  • Lee, Sung Bae
Venue
Cellular and Molecular Life Sciences
Published
2018-06-12
Volume
75
Issue
17
Pages
3159-3180
ISSN
  • 1420-682X (ISSN-L)
  • 1420-9071
OpenAlex
W2807962932
Cited by
142
References
246
Citations by year
2026: 7 · 2025: 20 · 2024: 13 · 2023: 18 · 2022: 21 · 2021: 30 · 2020: 23 · 2019: 8 · 2018: 1 · 2015: 1
FWCI
2.03
Type
journal article
Language
en
Open access
Locations
  • Cellular and Molecular Life Sciences (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Ministry of Science and ICT (18-BD-0402, 18-BT-02, 18-01-HRSS-02, 18-BR-04-03)
  • Ministry of Science, ICT and Future Planning (2017R1A2B4003351, 2016M3C7A1947307, 2016M3C7A1904148)
  • Korea Research Institute of Standards and Science (KRISS-2018-GP2018-0018)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Prion Diseases and Protein Misfolding
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
Keywords
protein toxicity, neurodegenerative diseases, protein aggregation, protein mislocalization, protein oligomerization, mitochondrial toxicity, cell-to-cell transmission, selective neuronal vulnerability, disease progression, therapeutic interventions
MeSH terms
Animals, Cell Nucleus, Humans, Mitochondria, Neurons, Proteins, Disease Progression, Neurodegenerative Diseases

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