Cited by 233Mitochondrial Function and PathologyAutophagy in Disease and TherapyCancer, Hypoxia, and Metabolism

ATP-Dependent Lon Protease Controls Tumor Bioenergetics by Reprogramming Mitochondrial Activity

Open access
Quirós, Pedro M., Español, Yaiza, Acín-Pérez, Rebeca, Rodríguez, Francisco, Bárcena, Clea, Watanabe, Kenta, Calvo, Enrique, Loureiro, Marta +5 more·2014·Cell Reports

Abstract

We generated mice deficient in Lon protease (LONP1), a major enzyme of the mitochondrial quality control machinery. Homozygous deletion of Lonp1 causes early embryonic lethality, whereas its haploinsufficiency protects against colorectal and skin tumors. Furthermore, LONP1 knockdown inhibits cellular proliferation and tumor and metastasis formation, whereas its overexpression increases tumorigenesis. Clinical studies indicate that high levels of LONP1 are a poor prognosis marker in human colorectal cancer and melanoma. Additionally, functional analyses show that LONP1 plays a key role in metabolic reprogramming by remodeling OXPHOS complexes and protecting against senescence. Our findings demonstrate the relevance of LONP1 for cellular and organismal viability and identify this protease as a central regulator of mitochondrial activity in oncogenesis.

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Crossref · 10.1016/j.celrep.2014.06.018

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Authors
Quirós, P. M., Español, Y., Acín-Pérez, R., Rodríguez, F., Bárcena, C., Watanabe, K., Calvo, E., Loureiro, M., Fernández-García, M. S., Fueyo, A., Vázquez, J., Enríquez, J. A., & López-Otín, C.
Affiliations
  • Universidad de Oviedo (ES)
  • Spanish National Centre for Cardiovascular Research (ES)
  • Hospital Universitario Central de Asturias (ES)
Venue
Cell Reports
Publisher
Elsevier BV
Published
2014-07
Volume
8
Issue
2
Pages
542-556
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2078704533
Cited by
233
References
62
Citations by year
2026: 15 · 2025: 29 · 2024: 14 · 2023: 19 · 2022: 24 · 2021: 23 · 2020: 25 · 2019: 18 · 2018: 24 · 2017: 15 · 2016: 15 · 2015: 10 · 2014: 2
FWCI
5.74
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Consultation of the Doctoral Thesis Database (TESEO) (Ministerio de Educación, Cultura y Deporte) (submittedVersion, cc-by-nc-nd)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
Keywords
Lon protease, LONP1, mitochondrial quality control, tumor bioenergetics, metabolic reprogramming, oxidative phosphorylation complexes, cellular senescence, colorectal cancer, melanoma, carcinogenesis, haploinsufficiency, ATP-dependent proteolysis, metastasis
MeSH terms
Animals, Homozygote, Humans, Melanoma, Mitochondria, Oxidative Phosphorylation, Skin Neoplasms, Colorectal Neoplasms, Cellular Senescence, Gene Deletion, HCT116 Cells, ATP-Dependent Proteases, Cell Proliferation, Mice, HEK293 Cells, Haploinsufficiency

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