Cited by 16Mitochondrial Function and PathologyCancer-related Molecular PathwaysGenetics, Aging, and Longevity in Model Organisms

Lack of p53 Affects the Expression of Several Brain Mitochondrial Proteins: Insights from Proteomics into Important Pathways Regulated by p53

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Fiorini, Ada, Sultana, Rukhsana, Barone, Eugenio, Cenini, Giovanna, Perluigi, Marzia, Mancuso, Cesare, Cai, Jian, Klein, Jon B. +2 more·2012·PLoS ONE

Abstract

The tumor suppressor protein p53 has been described "as the guardian of the genome" for its crucial role in regulating the transcription of numerous genes responsible for cells cycle arrest, senescence, or apoptosis in response to various stress signals. Although p53 promotes longevity by decreasing the risk of cancer through activation of apoptosis or cellular senescence, several findings suggest that an increase of its activity may have deleterious effects leading to selected aspects of the aging phenotype and neurodegenerative diseases. There is the link between p53 and oxidative stress, the latter a crucial factor that contributes to neurodegenerative processes like Alzheimer disease (AD). In the present study, using a proteomics approach, we analyzed the impact of lack of p53 on the expression of several brain mitochondrial proteins involved in different pathways, and how lack of p53 may present a target to restore neuronal impairments. Our investigation on isolated brain mitochondria from p53((-/-)) mice also provides a better understanding of the p53-mitochondria relationship and its involvement in the development of many diseases.

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Crossref · 10.1371/journal.pone.0049846

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  • Protein expression of MnSOD was significantly increased in mitochondria isolated from the brain of p53 knockout mice.

    “Protein expression of MnSOD was significantly increased in mitochondria isolated from the brain of p53 knockout mice [89]”

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  1. [51]Holley AK, St Clair DK (2009) Watching the watcher: regulation of p53 by mitochondria. Future Oncology 5: 117– 130. 19243304 PMC2710969

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Authors
Fiorini, A., Sultana, R., Barone, E., Cenini, G., Perluigi, M., Mancuso, C., Cai, J., Klein, J. B., St. Clair, D., & Butterfield, D. A.
Affiliations
  • University of Kentucky (US)
  • Sapienza University of Rome (IT)
  • University of Louisville (US)
Corresponding author
Butterfield, D. Allan
Venue
PLoS ONE
Published
2012-11-27
Volume
7
Issue
11
Pages
e49846
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2135607483
Cited by
16
References
70
Citations by year
2021: 1 · 2020: 3 · 2019: 1 · 2018: 1 · 2017: 3 · 2016: 4 · 2015: 1 · 2014: 1 · 2013: 1
FWCI
0.39
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • UKnowledge (University of Kentucky) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • IRIS Research product catalog (Sapienza University of Rome) (submittedVersion)
  • PubliCatt (Università Cattolica del Sacro Cuore) (submittedVersion, other-oa)
Funders
  • National Institutes of Health
  • National Institute on Aging (P01AG005119, AG0 5119)
  • National Cancer Institute (R01CA139843, CA139843)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
p53, p53 knockout mice, brain mitochondria, mitochondrial proteins, oxidative stress, neurodegeneration, Alzheimer's disease, aging, tumor suppressor, proteomics
MeSH terms
Animals, Brain, Gene Expression Regulation, Male, Mitochondria, Models, Biological, Signal Transduction, Tumor Suppressor Protein p53, Mice, Knockout, Mitochondrial Proteins, Proteomics, Mice

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