ArticleInflammation2025
BRG1 Deficiency Promotes Cardiomyocyte Inflammation and Apoptosis by Activating the cGAS-STING Signaling in Diabetic Cardiomyopathy.
Article in Inflammation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- The Role of Inflammation and Immunity in Cardiovascular Disease: Molecular Mechanisms and Therapeutic Targets.MedComm · 2026Review
- Chronic and non-canonical cGAS-STING activation: implications for health, disease, cancer, and emerging therapeutic opportunities.Apoptosis : an international journal on programmed cell death · 2026Review
- BRG1 orchestrates diabetic corneal neuropathy via PI3K/AKT-mediated glycolytic reprogramming.Eye and vision (London, England) · 2026Article
- PLAGL1 overexpression exacerbates type 1 diabetes by inducing β-cell apoptosis via oxidative stress-dependent dual DNA damage and cGAS/STING pathway activation.Journal of diabetes investigation · 2026Article
- Role of the cGAS-STING signaling pathway in diabetes mellitus and its complications: from mechanisms to therapeutics.Frontiers in pharmacology · 2026Review
- Targeting the cGAS-STING Pathway to Modulate Immune Inflammation in Diabetes and Cardiovascular Complications: Mechanisms and Therapeutic Insights.Current issues in molecular biology · 2025Review
- Article
- Review
- Role of cyclic guanosine monophosphate-adenosine monophosphate synthase-stimulator of interferon genes pathway in diabetes and its complications.World journal of diabetes · 2024Review
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
Brahma-related gene 1 (BRG1) has been implicated in the repair of DNA double-strand breaks (DSBs). Downregulation of BRG1 impairs DSBs repair leading to accumulation of double-stranded DNA (dsDNA). Currently, the role of BRG1 in diabetic cardiomyopathy (DCM) has not been clarified. In this study, we aimed to explore the function and molecular by which BRG1 regulates DCM using mice and cell models. We found that BRG1 was downregulated in the cardiac tissues of DCM mice and in cardiomyocytes cultured with high glucose and palmitic acid (HG/PA), which was accompanied by accumulation of dsDNA and activation of the cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) signaling pathway. shRNA-mediated Brg1 knockdown aggravated DCM mice cardiac functions, enhanced dsDNA accumulation, cGAS-STING signaling activation, which induced inflammation and apoptosis. In addition, the results were further verified in HG/PA-treated primary neonatal rat cardiomyocytes (NRCMs). Overexpression of BRG1 in NRCMs yielded opposite results. Furthermore, a selective cGAS inhibitor RU.521 or STING inhibitor C-176 partially reversed the BRG1 knockdown-induced inflammation and apoptosis in vitro. In conclusion, our results demonstrate that BRG1 is downregulated during DCM in vivo and in vitro, resulting in cardiomyocyte inflammation and apoptosis due to dsDNA accumulation and cGAS-STING signaling activation. Therefore, targeting the BRG1-cGAS-STING pathway may represent a novel therapeutic strategy for improving cardiac function of patients with DCM.
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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 Socratic graph.