ArticleCell death & disease2021
Mitochondrial fission and mitophagy are independent mechanisms regulating ischemia/reperfusion injury in primary neurons.
Article in Cell death & disease, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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Who cites it
29 citing papers in PubMed, 45 citations in OpenAlex.
- Regulation and roles of mammalian mitophagy.Nature reviews. Molecular cell biology · 2026Review
- Oxidized mitochondrial DNA as a potential biomarker and mechanistic driver of autophagy-mitophagy dysregulation in pulmonary arterial hypertension: a narrative review.Molecular biology reports · 2026Review
- Mitochondrial dysfunction‑driven ferroptosis in cerebral ischemia‑reperfusion injury: Mechanisms and therapeutic strategies (Review).Molecular medicine reports · 2026Review
- Cross-species evidence for cardiolipin remodeling in neonatal hypoxic-ischemic encephalopathy.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2026Article
- Raptor and Drp1 Function Synthetically to Control Hypoxic Death and the Mitochondrial Network in Caenorhabditis elegans.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026Article
- RNA-binding protein RCAN1.1L modulates ATF2 mRNA stability to promote mitochondrial fission in acute ischemic stroke.Cell death & disease · 2026Article
- Mitochondrial dysfunction in neonatal brain injury: from molecular mechanisms to therapeutic interventions.Journal of translational medicine · 2026Review
- Targeting the ARRDC3-DRP1 Axis via hUMSC-Derived Exosomal CRYAB for Neuroprotection in Cerebral Ischemia/Reperfusion Injury.Advanced healthcare materials · 2026Article
- Cys340Ser Mutation Abolishing S-Nitrosylation Drives GRK2 Mitochondrial Localization and Dysfunction.Cells · 2026Article
- Microglial Autophagy and Mitophagy in Ischemic Stroke: From Dual Roles to Therapeutic Modulation.Biology · 2025Review
- Mitophagy's impacts on cancer and neurodegenerative diseases: implications for future therapies.Journal of hematology & oncology · 2025Review
- Targeting Drp1 in Cerebral Ischemia-Reperfusion Injury: Mechanisms and Therapeutic Implications.CNS neuroscience & therapeutics · 2025Review
- Mitochondrial dynamics and quality control regulate proteostasis in neuronal ischemia-reperfusion.Autophagy · 2025Article
- Agent-based modeling of neuronal mitochondrial dynamics using intrinsic variables of individual mitochondria.iScience · 2025Article
- Hypothermia regulates mitophagy and apoptosis via PINK1/Parkin-VDAC 3 signaling pathway during oxygen-glucose deprivation/recovery injury.Scientific reports · 2025Article
- Age and sex-specific changes in mitochondrial quality control in skeletal and cardiac muscle.Frontiers in aging · 2025Article
- NMDA Receptors Coordinate Metabolic Reprogramming and Mitophagy in Schwann Cells to Promote Peripheral Nerve Regeneration.Research (Washington, D.C.) · 2025Article
- Cyclophilin D (PPIF) and MPTP in hepatic ischemia-reperfusion injury: insights into mechanisms.Frontiers in immunology · 2025Review
- Analysis of neuronal cardiolipin and monolysocardiolipin from biological samples with cyclic ion mobility mass spectrometry.Frontiers in physiology · 2025Article
- Mitochondrial membrane potential and oxidative stress interact to regulate Oma1-dependent processing of Opa1 and mitochondrial dynamics.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2024Article
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Authors and funding
12 authors at 3 institutions in 1 country.
Funding
Abstract
Mitochondrial dynamics and mitophagy are constitutive and complex systems that ensure a healthy mitochondrial network through the segregation and subsequent degradation of damaged mitochondria. Disruption of these systems can lead to mitochondrial dysfunction and has been established as a central mechanism of ischemia/reperfusion (I/R) injury. Emerging evidence suggests that mitochondrial dynamics and mitophagy are integrated systems; however, the role of this relationship in the context of I/R injury remains unclear. To investigate this concept, we utilized primary cortical neurons isolated from the novel dual-reporter mitochondrial quality control knockin mice (C57BL/6-Gt(ROSA)26Sortm1(CAG-mCherry/GFP)Ganl/J) with conditional knockout (KO) of Drp1 to investigate changes in mitochondrial dynamics and mitophagic flux during in vitro I/R injury. Mitochondrial dynamics was quantitatively measured in an unbiased manner using a machine learning mitochondrial morphology classification system, which consisted of four different classifications: network, unbranched, swollen, and punctate. Evaluation of mitochondrial morphology and mitophagic flux in primary neurons exposed to oxygen-glucose deprivation (OGD) and reoxygenation (OGD/R) revealed extensive mitochondrial fragmentation and swelling, together with a significant upregulation in mitophagic flux. Furthermore, the primary morphology of mitochondria undergoing mitophagy was classified as punctate. Colocalization using immunofluorescence as well as western blot analysis revealed that the PINK1/Parkin pathway of mitophagy was activated following OGD/R. Conditional KO of Drp1 prevented mitochondrial fragmentation and swelling following OGD/R but did not alter mitophagic flux. These data provide novel evidence that Drp1 plays a causal role in the progression of I/R injury, but mitophagy does not require Drp1-mediated mitochondrial fission.
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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.