ArticleActa pharmacologica Sinica2025
PYRCR alleviates myocardial ischemia/reperfusion injury in mice via inhibiting DRG2-mediated cardiomyocyte pyroptosis.
Article in Acta pharmacologica Sinica, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- The emerging roles of small nucleolar RNAs, piwi-interacting RNAs, tRNA-derived small RNAs, and circular RNAs in the regulation of cardiac hypertrophy, ischemic heart disease, and heart failure.Genes & diseases · 2026Review
- CircRNA-regulated programmed cell death networks in cardiomyocytes: Molecular crosstalk and therapeutic translation.Non-coding RNA research · 2026Review
- Delta opioid peptide (D-Ala2, D-Leu5)-enkephalin (DADLE) mitigates myocardial ischemia-reperfusion injury by inhibiting the TRAF6/NF-κB/NLRP3 pathway.Iranian journal of basic medical sciences · 2026Article
- Article
- Mechanisms of circular RNAs in diabetic cardiomyopathy: biological characteristics and clinical prospects.Frontiers in genetics · 2025Review
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Authors and funding
13 authors.
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Abstract
Circular RNAs (circRNAs) are a distinct class of endogenous RNAs characterized by their covalently closed circular structure. CircRNAs play crucial regulatory roles in various biological processes and pathogenesis. In this study we investigated the role of circRNAs in cardiomyocyte pyroptosis and underlying mechanisms. Ischemia/reperfusion (I/R)-induced myocardial injury was induced in mice by ligation of the left anterior descending coronary artery (LAD). Neonatal mouse cardiomyocytes were subjected to hypoxia/reoxygenation (H/R) assault. By using circRNA microarray, we found that the expression levels of a pyroptosis-related circRNA (designated PYRCR) were markedly decreased in H/R-exposed cardiomyocytes and I/R-injured mouse hearts. Overexpression of PYRCR inhibited cardiomyocyte pyroptosis, attenuated I/R-induced myocardial infarction and ameliorated cardiac function in mice. By RNA pull-down assays coupled with MS analysis followed by molecular validation, we identified developmental regulated GTP-binding protein 2 (DRG2) as the direct downstream target of PYRCR. Cardiac-specific DRG2 knockout mice displayed attenuated pyroptosis and enhanced cardiac function following I/R injury compared to DRG2
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