ArticleCell death & disease2017
Cofilin1-dependent actin dynamics control DRP1-mediated mitochondrial fission.
Article in Cell death & disease, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers.
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Who cites it
58 citing papers in PubMed, 84 citations in OpenAlex.
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- Discovery and Development of a Potent LIMK2 Isoform-Specific Degrader.ACS chemical biology · 2026Article
- KIF23 regulates cytoskeleton dynamics for cytokinesis and mitochondrial function during oocyte meiosis.Cell communication and signaling : CCS · 2026Article
- Vitamin D binding protein induces skeletal muscle atrophy and contributes to cancer-associated muscle wasting independently of vitamin D status in preclinical models.Nature communications · 2026Article
- N-terminal α-amino SUMOylation promotes phosphorylation-independent cofilin-1 translocation to the mitochondrial matrix and induces apoptosis.Nature communications · 2025Article
- Cofilin(s) and Mitochondria: Function Beyond Actin Dynamics.International journal of molecular sciences · 2025Review
- ARHGAP26 deficiency drives the oocyte aneuploidy and early embryonic development failure.Cell death and differentiation · 2025Article
- hnRNPH1 maintains mitochondrial homeostasis by establishing NRF1/DRP1 retrograde signaling under mitochondrial stress.Cell death and differentiation · 2025Article
- Mitochondrial dynamics at the intersection of macrophage polarization and metabolism.Frontiers in immunology · 2025Review
- Inhibition of Drp1-Filamin Protein Complex Prevents Hepatic Lipid Droplet Accumulation by Increasing Mitochondria-Lipid Droplet Contact.International journal of molecular sciences · 2024Article
- Drp1 controls complex II assembly and skeletal muscle metabolism by Sdhaf2 action on mitochondria.Science advances · 2024Article
- CFL1 is Implicated in Chronic Myeloid Leukemia Response during Imatinib Therapy.Journal of Cancer · 2024Article
- DRP1: At the Crossroads of Dysregulated Mitochondrial Dynamics and Altered Cell Signaling in Cancer Cells.ACS omega · 2023Review
- Cigarette smoke-induced injury induces distinct sex-specific transcriptional signatures in mice tracheal epithelial cells.American journal of physiology. Lung cellular and molecular physiology · 2023Article
- Mitochondrial Dynamics: Working with the Cytoskeleton and Intracellular Organelles to Mediate Mechanotransduction.Aging and disease · 2023Review
- The multiple links between actin and mitochondria.Nature reviews. Molecular cell biology · 2023Review
- Article
- Mitochondrial Reactive Oxygen Species Formation Determines ACSL4/LPCAT2-Mediated Ferroptosis.Antioxidants (Basel, Switzerland) · 2023Article
Corrections and comments
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Authors and funding
8 authors at 5 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mitochondria form highly dynamic networks in which organelles constantly fuse and divide. The relevance of mitochondrial dynamics is evident from its implication in various human pathologies, including cancer or neurodegenerative, endocrine and cardiovascular diseases. Dynamin-related protein 1 (DRP1) is a key regulator of mitochondrial fission that oligomerizes at the mitochondrial outer membrane and hydrolyzes GTP to drive mitochondrial fragmentation. Previous studies demonstrated that DRP1 recruitment and mitochondrial fission is promoted by actin polymerization at the mitochondrial surface, controlled by the actin regulatory proteins inverted formin 2 (INF2) and Spire1C. These studies suggested the requirement of additional actin regulatory activities to control DRP1-mediated mitochondrial fission. Here we show that the actin-depolymerizing protein cofilin1, but not its close homolog actin-depolymerizing factor (ADF), is required to maintain mitochondrial morphology. Deletion of cofilin1 caused mitochondrial DRP1 accumulation and fragmentation, without altering mitochondrial function or other organelles' morphology. Mitochondrial morphology in cofilin1-deficient cells was restored upon (i) re-expression of wild-type cofilin1 or a constitutively active mutant, but not of an actin-binding-deficient mutant, (ii) pharmacological destabilization of actin filaments and (iii) genetic depletion of DRP1. Our work unraveled a novel function for cofilin1-dependent actin dynamics in mitochondrial fission, and identified cofilin1 as a negative regulator of mitochondrial DRP1 activity. We conclude that cofilin1 is required for local actin dynamics at mitochondria, where it may balance INF2/Spire1C-induced actin polymerization.
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