Cited by 298Autophagy in Disease and TherapyGenetics, Aging, and Longevity in Model OrganismsUbiquitin and proteasome pathways

Lipofuscin: formation, effects and role of macroautophagy

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Höhn, Annika, Grune, Tilman·2013·Redox Biology

Abstract

Oxidative stress plays a crucial role in the development of the aging process and age dependent diseases. Both are closely connected to disturbances of proteostasis by protein oxidation and an impairment of the proteasomal system. The final consequence is the accumulation of highly cross-linked undegradable aggregates such as lipofuscin. These aggregates of damaged proteins are detrimental to normal cell functions. Here we provide an overview about effect of these aggregates on the proteasomal system, followed by transcription factor activation and loss of cell viability. Furthermore, findings on the mechanism of radical genesis, proteasomal inhibition and the required components of lipofuscin formation were resumed.

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Crossref · 10.1016/j.redox.2013.01.006

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  • Cellular senescence is associated with changes in cellular metabolism including upregulation of lysosomal senescence-associated β-galactosidase, a shift from oxidative phosphorylation to glycolysis, and accumulation of lipofuscin in the cytoplasm.

    “Cellular senescence is associated with changes in cellular metabolism. These include upregulation of lysosomal senescence-associated β-galactosidase, a shift from oxidative phosphorylation to glycolysis [54,55] and accumulation of lipofuscin in the cytoplasm [56,57].”

    From Ageing, Cellular Senescence and Neurodegenerative Disease (2018) · cites this paper as [56]

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Authors
Höhn, A., & Grune, T.
Affiliations
Friedrich Schiller University Jena (DE)
Corresponding author
Grune, Tilman
Venue
Redox Biology
Publisher
Elsevier BV
Published
2013
Volume
1
Issue
1
Pages
140-144
ISSN
2213-2317 (ISSN-L)
OpenAlex
W2018027031
Cited by
298
References
51
Citations by year
2026: 19 · 2025: 18 · 2024: 14 · 2023: 30 · 2022: 30 · 2021: 22 · 2020: 33 · 2019: 25 · 2018: 32 · 2017: 15 · 2016: 18 · 2015: 23 · 2014: 14 · 2013: 5
FWCI
2.37
Type
journal article
Language
en
Open access
Locations
  • Redox Biology (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Topics
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
Keywords
lipofuscin, macroautophagy, oxidative stress, aging, proteostasis, protein oxidation, proteasome, protein aggregates, transcription factor activation, cell viability, radical formation, proteasome inhibition
MeSH terms
Animals, Autophagy, Humans, Lipofuscin, Transcription Factors, Proteasome Endopeptidase Complex

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