ArticleJournal of experimental & clinical cancer research : CR2020
ROCK1 activation-mediated mitochondrial translocation of Drp1 and cofilin are required for arnidiol-induced mitochondrial fission and apoptosis.
Article in Journal of experimental & clinical cancer research : CR, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed, 50 citations in OpenAlex.
- RhoA through its various effectors mediate mitochondrial fragmentation in polycystic kidney disease.iScience · 2026Article
- Pharmacological blockade of rho kinase enhances venetoclax responses in translational models of acute myeloid leukemia.Haematologica · 2026Article
- Dynamic regulation of the 'mitochondria‑immune axis' in myocardial infarction: Molecular mechanisms driving macrophage polarization through energy metabolism disorders (Review).Molecular medicine reports · 2026Review
- Synaptic mitochondrial dysfunction and Alzheimer's disease: from molecular mechanisms to therapeutic strategies.Frontiers in pharmacology · 2026Review
- 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
- DRP1, fission and apoptosis.Cell death discovery · 2025Review
- Rnd3 protects against doxorubicin-induced cardiotoxicity through inhibition of PANoptosis in a Rock1/Drp1/mitochondrial fission-dependent manner.Cell death & disease · 2025Article
- Plasma exosomal miR-142-3p induced by acupuncture protects against heart injury in rats with myocardial infarction by targeting Cofilin 2.Iranian journal of basic medical sciences · 2025Article
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- Teriflunomide/leflunomide synergize with chemotherapeutics by decreasing mitochondrial fragmentation via DRP1 in SCLC.iScience · 2024Article
- Mitochondrial fission enhances IL-6-induced metastatic potential in ovarian cancer via ERK1/2 activation.Cancer science · 2024Article
- Ruxolitinib induces apoptosis and pyroptosis of anaplastic thyroid cancer via the transcriptional inhibition of DRP1-mediated mitochondrial fission.Cell death & disease · 2024Article
- DRP1: At the Crossroads of Dysregulated Mitochondrial Dynamics and Altered Cell Signaling in Cancer Cells.ACS omega · 2023Review
- Roles of mitochondrial dynamics and mitophagy in diabetic myocardial microvascular injury.Cell stress & chaperones · 2023Review
- Branching out in different directions: Emerging cellular functions for the Arp2/3 complex and WASP-family actin nucleation factors.European journal of cell biology · 2023Article
- Targeting HDAC3 to overcome the resistance to ATRA or arsenic in acute promyelocytic leukemia through ubiquitination and degradation of PML-RARα.Cell death and differentiation · 2023Article
- Regorafenib induces Bim-mediated intrinsic apoptosis by blocking AKT-mediated FOXO3a nuclear export.Cell death discovery · 2023Article
- Article
- Novel ROCK Inhibitors, Sovesudil and PHP-0961, Enhance Proliferation, Adhesion and Migration of Corneal Endothelial Cells.International journal of molecular sciences · 2022Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundArnidiol is a pentacyclic triterpene diol that has multiple pharmacological activities. However, the apoptotic activities of arnidiol in human cancer cells have not yet been explored, nor has the mechanism by which arnidiol induces apoptosis been examined in depth.
methodsMDA-MB-231 cells and xenografted mice were treated with arnidiol. Mitochondrial fission and apoptosis were determined by immunofluorescence, flow cytometry and related molecular biological techniques. The interaction and colocalization of cofilin and Drp1 was determined by immunoprecipitation and immunofluorescence assays.
resultsArnidiol induces mitochondrial fission and apoptosis through mitochondrial translocation of Drp1 and cofilin. Importantly, the interaction of Drp1 and cofilin in mitochondria is involved in arnidiol-induced mitochondrial fission and apoptosis. Knockdown of either Drp1 or cofilin abrogated arnidiol-induced mitochondrial translocation, interaction of Drp1 and cofilin, mitochondrial fission and apoptosis. Only dephosphorylated Drp1 (Ser637) and cofilin (Ser3) were translocated to the mitochondria. Mutants of Drp1 S637A and cofilin S3A, which mimic the dephosphorylated forms, enhanced mitochondrial fission and apoptosis induced by arnidiol, whereas mutants of Drp1 S637D and cofilin S3E, which mimic the phosphorylated forms, suppressed mitochondrial fission and apoptosis induced by arnidiol. A mechanistic study revealed that ROCK1 activation plays an important role in the arnidiol-mediated Drp1 and cofilin dephosphorylation and mitochondrial translocation, mitochondrial fission, and apoptosis.
conclusionsOur data reveal a novel role of both Drp1 and cofilin in the regulation of mitochondrial fission and apoptosis and suggest that arnidiol could be developed as a potential agent for the treatment of human cancer.
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