ArticleActa pharmacologica Sinica2021
Pinocembrin attenuates hemorrhagic transformation after delayed t-PA treatment in thromboembolic stroke rats by regulating endogenous metabolites.
Article in Acta pharmacologica Sinica, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 22 citations in OpenAlex.
- Ginsenoside Rg2 attenuates secondary brain injury following intracerebral hemorrhage by inhibiting NLRP3-mediated pyroptosis.Journal of neuroinflammation · 2026Article
- Resveratrol attenuates pyroptosis and neuroinflammation by inhibiting the TLR4/NF-κB/AIM2 pathway in ischemic stroke rats.Frontiers in pharmacology · 2026Article
- Alpha‑Asarone Ameliorates Neuronal Injury After Ischemic Stroke and Hemorrhagic Transformation by Attenuating Blood-Brain Barrier Destruction, Promoting Neurogenesis, and Inhibiting Neuroinflammation.Molecular neurobiology · 2025Article
- The impact of glycolysis on ischemic stroke: from molecular mechanisms to clinical applications.Frontiers in neurology · 2025Review
- The global burden of lead exposure-related ischemic stroke: based on Bayesian age-period-cohort analysis.Frontiers in public health · 2025Article
- Pinocembrin activation of DPP9 inhibits NLRP1 inflammasome activation to alleviate cerebral ischemia/reperfusion-induced lung and intestinal injury.Immunologic research · 2024Article
- Pyroptosis in health and disease: mechanisms, regulation and clinical perspective.Signal transduction and targeted therapy · 2024Review
- Chronic vascular pathogenesis results in the reduced serum Metrnl levels in ischemic stroke patients.Acta pharmacologica Sinica · 2024Article
- Targeting post-stroke neuroinflammation with Salvianolic acid A: molecular mechanisms and preclinical evidence.Frontiers in immunology · 2024Review
- Targeting pyroptosis as a preventive and therapeutic approach for stroke.Cell death discovery · 2023Review
- Activation of Sirtuin-1 by Pinocembrin Treatment Contributes to Reduced Early Brain Injury after Subarachnoid Hemorrhage.Oxidative medicine and cellular longevity · 2022Article
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9 authors at 3 institutions in 1 country.
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Abstract
Hemorrhagic transformation (HT) is a common serious complication of stroke after thrombolysis treatment, which limits the clinical use of tissue plasminogen activator (t-PA). Since early diagnosis and treatment for HT is important to improve the prognosis of stroke patients, it is urgent to discover the potential biomarkers and therapeutic drugs. Recent evidence shows that pinocembrin, a natural flavonoid compound, exerts anti-cerebral ischemia effect and expands the time window of t-PA. In this study, we investigated the effect of pinocembrin on t-PA-induced HT and the potential biomarkers for HT after t-PA thrombolysis, thereby improving the prognosis of stroke. Electrocoagulation-induced thrombotic focal ischemic rats received intravenous infusion of t-PA (10 mg/kg) 6 h after ischemia. Administration of pinocembrin (10 mg/kg, iv) prior t-PA infusion significantly decreased the infarct volume, ameliorated t-PA-induced HT, and protected blood-brain barrier. Metabolomics analysis revealed that 5 differential metabolites in the cerebral cortex and 16 differential metabolites in serum involved in amino acid metabolism and energy metabolism were significantly changed after t-PA thrombolysis, whereas pinocembrin administration exerted significant intervention effects on these metabolites. Linear regression analysis showed that lactic acid was highly correlated to the occurrence of HT. Further experiments confirmed that t-PA treatment significantly increased the content of lactic acid and the activity of lactate dehydrogenase in the cerebral cortex and serum, and the expression of monocarboxylate transporter 1 (MCT 1) in the cerebral cortex; pinocembrin reversed these changes, which was consistent with the result of metabolomics. These results demonstrate that pinocembrin attenuates HT after t-PA thrombolysis, which may be associated with the regulation of endogenous metabolites. Lactic acid may be a potential biomarker for HT prediction and treatment.
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