ArticleJournal of cardiothoracic surgery2024
Aconitine promotes ROS-activated P38/MAPK/Nrf2 pathway to inhibit autophagy and promote myocardial injury.
Article in Journal of cardiothoracic surgery, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- The macrophage DAG/PKCα/ROS axis exacerbates sepsis by inducing endothelial dysfunction through activation of the p38 MAPK pathway.Molecular biology reports · 2026Article
- Cerebral Ischemia-Reperfusion Injury: Unraveling the Mitophagy-Oxidative Stress Axis for Neuroprotective Strategies.International journal of molecular sciences · 2026Review
- CD11b-modified ROS/pH-responsive nanoparticles co-deliver Dioscin and siRNA to improve cardiac repair after myocardial infarction by reducing neutrophil recruitment.Materials today. Bio · 2025Article
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Authors and funding
7 authors.
Funding
Abstract
backgroundAconitine has cardiotoxicity, but the mechanism of cardiotoxicity induced by aconitine is limited. The aim of this study was to investigate the mechanism of myocardial injury induced by aconitine.
methodsUsing aconitine, ROS inhibitor N-acetylcysteine(NAC), the autophagy activitor Rapamycin (Rap) or the P38/MAPK pathway activitor Dehydrocorydaline treats H9C2 cells. CCK-8 assay was used to assay cell proliferation activity. Flow Cytometry was used to detect cell apoptosis. Dichloro-dihydrofluorescein diacetate was used to detect ROS levels. The expression of LC3 was detected by Immunofluorescence Staining. Western blotting detected the expression of related proteins. The mRNA levels of inflammatory factors were detected by RT-qPCR.
resultsAconitine inhibits cardiomyocyte proliferation, induces apoptosis and secretion of inflammatory factors. Aconitine activates the P38/MAPK/Nrf2 pathway, induces ROS increase, and promotes autophagy. NAC can inhibit proliferation inhibition, apoptosis, inflammation and P38/MAPK/Nrf2 pathway activation induced by aconitine. Rap and P38 activators can partially recover the effects of NAC on proliferation, apoptosis, inflammation and autophagy of cardiomyocytes.
conclusionAconitine promotes ROS-activated P38/MAPK/Nrf2 pathway to inhibit autophagy and promote myocardial injury.
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Registered trials
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