Linc-PINT Downregulation of TGF-β Signaling Pathway in Heart Arrhythmia: An In Silico Analysis

    April 2025 in “ Journal of Diabetes & Metabolic Disorders ”
    Arash Amin, Mahya Bakhshi Ardakani, Maryam Saadatakhtar, Aida Zeinali, Shana Ahadi, Azadeh Fateh, Zohreh Salehnassaj, Fatemeh Dadgar, Farnaz Khodaparast
    Studysummary This study found that linc-PINT expression was significantly decreased in patients with atrial fibrillation compared to healthy controls, while several TGF-β signaling genes were increased, suggesting a potential role in heart arrhythmias' pathogenesis. Our plain-language summary of this paper — not a Tressless recommendation.
    This study used in silico analysis to explore the relationship between linc-PINT and the TGF-β signaling pathway in heart arrhythmia. By analyzing RNA-seq data from human atrial appendage tissues of patients with atrial fibrillation and healthy controls, researchers discovered that linc-PINT expression was significantly decreased in patients, while SMAD2, SMAD3, SMAD5, and TGF-βR1 gene expressions were significantly increased. SMAD6 expression showed no significant difference. These results indicate that monitoring TGF-β and linc-PINT expression could help identify patients at high risk of heart arrhythmia and enhance clinical outcomes through targeted therapies.
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