ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
ECSIT-X4 is Required for Preventing Pressure Overload-Induced Cardiac Hypertrophy via Regulating Mitochondrial STAT3.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Review
- Sam68 Exacerbates Pathologic Cardiac Hypertrophy by Suppressing Cardiomyocyte Glucose Oxidation.Circulation · 2026Article
- Targeted Mitochondrial ECSIT Overexpression Attenuates MASH by Increasing OTUD3 Expression.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Amelioration of CKD-induced cardiomyocyte hypertrophy by pegmolesatide: involvement of JAK2/STAT3 inhibition and mitochondrial protection.Frontiers in pharmacology · 2026Article
- Dysregulated Redox Signaling and Its Impact on Inflammatory Pathways, Mitochondrial Dysfunction, Autophagy and Cardiovascular Diseases.Antioxidants (Basel, Switzerland) · 2025Review
- ECSIT-X4 is Required for Preventing Pressure Overload-Induced Cardiac Hypertrophy via Regulating Mitochondrial STAT3.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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Authors and funding
14 authors.
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Abstract
Mitochondrial dysfunction is a key factor in exacerbating pressure overload-induced cardiac hypertrophy and is linked to increased morbidity and mortality. ECSIT, a crucial adaptor for inflammation and mitochondrial function, has been reported to express multiple transcripts in various species and tissues, leading to distinct protein isoforms with diverse subcellular localizations and functions. However, whether an unknown ECSIT isoform exists in cardiac cells and its potential role in regulating mitochondrial function and pathological cardiac hypertrophy has remained unclear. This study identified a 42-kDa ECSIT isoform encoded by the transcript variant Ecsit-X4, which is highly expressed in the mitochondria of adult cardiomyocytes but down-regulated in hypertrophic human heart samples and TAC-treated mouse hearts. AAV9-mediated Ecsit-X4 gene therapy, administered either before or after TAC surgery, significantly attenuated cardiac hypertrophy. Cardiomyocyte-specific Ecsit deficiency worsened TAC-induced cardiac hypertrophy, while Ecsit-X4 compensation independently rescued hypertrophic phenotypes in Ecsit
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