Cited by 180Autophagy in Disease and TherapyGenetics, Aging, and Longevity in Model OrganismsCell death mechanisms and regulation

Beclin 1 interactome controls the crosstalk between apoptosis, autophagy and inflammasome activation: Impact on the aging process

Salminen, Antero, Kaarniranta, Kai, Kauppinen, Anu·2013·Ageing Research Reviews

Abstract

Autophagy and apoptosis are crucial cellular housekeeping and tissue survival mechanisms. There is emerging evidence of important crosstalk between apoptosis and autophagy which can be linked to inflammasome activation. Beclin 1 is a platform protein which assembles an interactome consisting of diverse proteins which control the initiation of autophagocytosis and distinct phases in endocytosis. Recent studies have demonstrated that the anti-apoptotic Bcl-2 family members can interact with Beclin 1 and inhibit autophagy. Consequently, impaired autophagy can trigger inflammasome activation. Interestingly, the hallmarks of the ageing process include a decline in autophagy, increased resistance to apoptosis and a low-grade inflammatory phenotype. Age-related stresses, e.g. genotoxic, metabolic and environmental insults, enhance the expression of NF-κB-driven anti-apoptotic Bcl-2 proteins which repress the Beclin 1-dependent autophagy. Suppression of autophagocytosis provokes inflammation including NF-κB activation which further potentiates anti-apoptotic defence. In a context-dependent manner, this feedback defence mechanism can enhance the aging process or provoke tumorigenesis or cellular senescence. We will review the role of Beclin 1 interactome in the crosstalk between apoptosis, autophagy and inflammasomes emphasizing that disturbances in Beclin 1-dependent autophagy can have a crucial impact on the aging process.

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Crossref · 10.1016/j.arr.2012.11.004

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Authors
Salminen, A., Kaarniranta, K., & Kauppinen, A.
Affiliations
University of Eastern Finland (FI)
Corresponding author
Salminen, Antero
Venue
Ageing Research Reviews
Publisher
Elsevier BV
Published
2013-03
Volume
12
Issue
2
Pages
520-534
ISSN
1568-1637 (ISSN-L)
OpenAlex
W1978917500
Cited by
173
References
252
Citations by year
2026: 8 · 2025: 9 · 2024: 16 · 2023: 14 · 2022: 14 · 2021: 11 · 2020: 15 · 2019: 7 · 2018: 25 · 2017: 16 · 2016: 15 · 2015: 8 · 2014: 9 · 2013: 6
FWCI
0.91
Type
journal article
Language
en
Open access
closed
Locations
  • Ageing Research Reviews (publishedVersion)
  • PubMed (publishedVersion)
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 › Cell death mechanisms and regulation
Keywords
Beclin-1, autophagy, apoptosis, inflammasome activation, aging, Bcl-2 family proteins, NF-κB, endocytosis, low-grade inflammation, cellular senescence, carcinogenesis, autophagy-apoptosis crosstalk
MeSH terms
Beclin-1, Aged, Aging, Autophagy, Humans, Inflammation, Membrane Proteins, NF-kappa B, Cellular Senescence, Apoptosis, Apoptosis Regulatory Proteins, Inflammasomes

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