ArticleJournal of advanced research2024
Lipidomic analysis identifies long-chain acylcarnitine as a target for ischemic stroke.
Article in Journal of advanced research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 37 citations in OpenAlex.
- Unveiling the "Glycolysis-Lactate-Lactylation" Axis: A Novel Target in Ischemic Cerebrovascular Disease.Neuroscience bulletin · 2026Review
- Microglial Immunometabolic Remodeling After Ischemic Stroke: The Interplay Between Mitochondrial Stress and the Ischemic Microenvironment.Translational stroke research · 2026Review
- Prognostic value of acylcarnitine-to-free carnitine ratio in ischemic stroke: associations with systemic inflammation and atherosclerosis.European journal of clinical nutrition · 2026Article
- Broad-coverage targeted lipidomics reveals stage-specific lipid metabolic profiles and diagnostic and prognostic marker panels in ischemic stroke.Metabolomics : Official journal of the Metabolomic Society · 2026Article
- Macrophages-derived NRG-1 promotes angiogenesis after ischemic stroke via the Akt-mTOR pathway.Neural regeneration research · 2026Article
- Mitochondrial Dysfunction in Circulating Blood Cells and Biological Aging: A Review of Mechanisms and Evidence.Biomolecules · 2026Review
- Lipid Metabolism Reprogramming in the Aging Brain: Glial-Mediated Pathogenic Mechanisms and Translational Strategies in Neurodegeneration.International journal of molecular sciences · 2026Review
- Metabolic Adaptation in Acute Ischemic Events: The Critical Role of Acyl-Coenzyme A Synthetase Family in Myocardial Infarction and Ischemic Stroke.Journal of the American Heart Association · 2026Review
- Phosphodiesterase 4 regulates pyroptosis in subarachnoid hemorrhage.Neural regeneration research · 2026Article
- Integrated Transcriptomics and Machine Learning Reveal Lipid Metabolism Related Genes in Ischemic Stroke.Journal of molecular neuroscience : MN · 2026Article
- Plasma Metabolic Signature and Single-Cell Regulatory Network for Ischemic Stroke.Translational stroke research · 2026Article
- Astrocytic mitochondrial transfer: a new horizon for metabolic rescue and precision therapy in ischemic stroke.Journal of translational medicine · 2026Review
- Insights into the interplay between stroke and depression through lipid metabolism-related diagnostic genes.Molecular brain · 2026Article
- TRIM21 Exacerbates Ischemic Brain Injury by Promoting Astrocyte-Mediated Neuroinflammation via K63-Linked Ubiquitination of MDA5.Research (Washington, D.C.) · 2026Article
- Plasma untargeted metabolomics reveals metabolic signatures associated with epilepsy and anti-seizure medication responsiveness.Frontiers in molecular biosciences · 2026Article
- Identification of a novel metabolic and lipidomic signature for 90-day functional outcome after ischemic stroke: an exploratory proof-of-concept study.Frontiers in neurology · 2026Article
- Disrupted Lipid Metabolism Aggravates Ischemic Brain Injury: Targeting FDFT1 for Stroke Therapy.Molecular neurobiology · 2025Article
- Association between lipid profiles and early clinical outcomes in acute ischemic stroke: a single-center cohort study in the Chinese population.BMC neurology · 2025Article
- Article
- VISTA Alleviates Microglia-Mediated Neuroinflammation After Cerebral Ischemia-Reperfusion Injury via Regulating ACOD1/Itaconic Acid Metabolism.Molecular neurobiology · 2025Article
Corrections and comments
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Authors and funding
14 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionLipid metabolism dysfunction is widely involved in the pathological process of acute ischemic stroke (AIS). The coordination of lipid metabolism between neurons and astrocytes is of great significance. However, the full scope of lipid dynamic changes and the function of key lipids during AIS remain unknown. Hence, identifying lipid alterations and characterizing their key roles in AIS is of great importance.
methodsUntargeted and targeted lipidomic analyses were applied to profile lipid changes in the ischemic penumbra and peripheral blood of transient middle cerebral artery occlusion (tMCAO) mice as well as the peripheral blood of AIS patients. Infarct volume and neurological deficits were assessed after tMCAO. The cell viability and dendritic complexity of primary neurons were evaluated by CCK8 assay and Sholl analysis. Seahorse, MitoTracker Green, tetramethyl rhodamine methyl ester (TMRM), 2',7'-dichlorodihydrofluorescein diacetate (DCFH-DA) and MitoSOX were used as markers of mitochondrial health. Fluorescent and isotopic free fatty acid (FFA) pulse-chase assays were used to track FFA flux in astrocytes.
resultsLong-chain acylcarnitines (LCACs) were the lipids with the most dramatic changes in the ischemic penumbra and peripheral blood of tMCAO mice. LCACs were significantly elevated on admission in AIS patients and associated with poor outcomes in AIS patients. Increasing LCACs through a bolus administration of palmitoylcarnitine amplified stroke injury, while decreasing LCACs by overexpressing carnitine palmitoyltransferase 2 (CPT2) ameliorated stroke injury. Palmitoylcarnitine aggravated astrocytic mitochondrial damage after OGD/R, while CPT2 overexpression in astrocytes ameliorated cocultured neuron viability. Further study revealed that astrocytes stimulated by OGD/R liberated FFAs from lipid droplets into mitochondria to form LCACs, resulting in mitochondrial damage and lowered astrocytic metabolic support and thereby aggravated neuronal damage.
conclusionLCACs could accumulate and damage neurons by inducing astrocytic mitochondrial dysfunction in AIS. LCACs play a crucial role in the pathology of AIS and are novel promising diagnostic and prognostic biomarkers for AIS.
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