ArticleOncotarget2015
Loss of COX5B inhibits proliferation and promotes senescence via mitochondrial dysfunction in breast cancer.
Article in Oncotarget, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed, 42 citations in OpenAlex.
- Prolonged linezolid therapy induces progressive mitochondrial dysfunction in human peripheral blood mononuclear cells.Journal of translational medicine · 2026Article
- Multi-Bioinformatics Approach Reveals COX5B-Mediated Modulation of Oxidative Phosphorylation and ROS Levels by Water and Ethanol Extracts of Schisandrae Fructus in SW1783 Cells.Antioxidants (Basel, Switzerland) · 2026Article
- Impact of Orchiectomy on Oxidative Stress-Induced Neurodegeneration in the Male Rat Retina: A Proteomic Analysis.Antioxidants (Basel, Switzerland) · 2026Article
- Mitochondrial complex I subunit NDUFS4 overexpression drives glioma progression by regulating mitochondrial function and COX5B.NPJ precision oncology · 2026Article
- Deciphering the causal nexus of mitochondrial biology with breast cancer.Discover oncology · 2026Article
- Single-Cell RNA-Seq Revealed the Immune Microenvironment Reprogramming by Dexmedetomidine Treatment in Ischemic Stroke.Molecular neurobiology · 2025Article
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- Interrogating mediators of single-cell transcriptional changes in the acute damaged cerebral cortex: Insights into endothelial-astrocyte interactions.Molecular and cellular neurosciences · 2025Article
- Supinoxin blocks small cell lung cancer progression by inhibiting mitochondrial respiration through DDX5.iScience · 2025Article
- Causal relationship between mitochondrial proteins and risks of aortic aneurysms and aortic dissection: a Mendelian randomization study.Journal of cardiothoracic surgery · 2025Article
- Single-cell dual-omics reveals translational and transcriptional landscapes and regulations in oocytes from ovarian endometriosis patients.Frontiers in endocrinology · 2025Article
- AMPK Phosphorylates LMX1b to Regulate a Brainstem Neurogenic Network Important for Control of Breathing in Neonatal Mice.International journal of molecular sciences · 2024Article
- Glycolytic pathway analysis and gene expression profiles of combination of aloe vera and paclitaxel on non-small cell lung cancer and breast cancer.Medical oncology (Northwood, London, England) · 2024Article
- Tumor Necrosis Factor Receptor-2 Signals Clear-Cell Renal Carcinoma Proliferation via Phosphorylated 4E Binding Protein-1 and Mitochondrial Gene Translation.The American journal of pathology · 2024Article
- Serum Induces the Subunit-Specific Activation of NF-κB in Proliferating Human Cardiac Stem Cells.International journal of molecular sciences · 2024Article
- Mutations in Structural Genes of the Mitochondrial Complex IV May Influence Breast Cancer.Genes · 2023Article
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- Article
- Active mitochondrial respiration in cancer: a target for the drug.Molecular and cellular biochemistry · 2022Review
- Huangqin Decoction Exerts Beneficial Effects on Rotenone-Induced Rat Model of Parkinson's Disease by Improving Mitochondrial Dysfunction and Alleviating Metabolic Abnormality of Mitochondria.Frontiers in aging neuroscience · 2022Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
COX5B, a peripheral subunit of the cytochrome c oxidase complex, has previously been reported to maintain the stability of this complex. However, its functions and mechanisms involved in breast cancer progression remain unclear. Here, by performing SILAC assays in breast cancer cell models and detecting COX5B expression in tissues, we found that COX5B expression was elevated in breast cancer. Down-regulation of COX5B in breast cancer cell lines can suppress cell proliferation and induced cell senescence which was accompanied by elevating production of IL-8 and other cytokines. Interestingly, conditioned medium from COX5B knockdown cells could promote breast cancer cell migration. Mechanistic studies reveal that COX5B silence induces an increase in production of ROS, depolarization of MMP and a decrease in ATP. What's more, silence of COX5B leads to metabolic disorders, such as increased glucose uptake and decreased lactate secretion. Collectively, our study shows that loss of COX5B induces mitochondrial dysfunction and subsequently leads to cell growth suppression and cell senescence. Cytokines such as IL-8 secreted by senescent cells may in turn alter the microenvironment which could enhance cell migration. These findings may provide a novel paradigm for the treatment which combined anti-cancer drugs with particular cytokine inhibitors such as IL-8 blockers.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.