ArticleJournal of cellular and molecular medicine2025
The Network of Exosomes miRNA and p-MLC2 Regulatory Pathway Induced Pathological Cardiac Hypertrophy in Vasn Deficient Mice.
Article in Journal of cellular and molecular medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- The Network of Exosomes miRNA and p-MLC2 Regulatory Pathway Induced Pathological Cardiac Hypertrophy in Vasn Deficient Mice.Journal of cellular and molecular medicine · 2025Article
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11 authors.
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Abstract
Pathological cardiac hypertrophy was an important inducement of heart failure, cardiac arrest, and other diseases. To explore how Vasn knockout induced pathological cardiac hypertrophy, bioinformatics and functional studies illustrated the possible mechanism by clarifying the influence of exosome miRNA on the p-MLC2 signal pathway. B-ultrasound, electrocardiogram, pathological staining, and Q-PCR were used to clarify the changes in typical imaging indexes, pathological indexes, and marker molecules. Exosome sequencing and bioinformatics analysis were carried out to mine key miRNA and signal pathways. Q-PCR, IHC, and WB were used to verify the changes in miRNA and related signal pathways. The changes in heart structure and function were detected by pathological staining, electron microscopy, B-ultrasound, and blood biochemistry in the heart tissues and blood of Vasn knockout mice. Vasn knockout mice showed typical imaging, pathological, and molecular features of PCH. Differential analysis of exosome miRNA showed that let-7g-5p, let-7f-5p, and miR-148a-3p significantly increased in the exosomes of Vasn-knockout mice heart. Bioinformatics analysis showed that let-7g-5p and let-7f-5p targeted the Calm/MLCK/p-MLC2 signal pathway, and miR-148a-3p targeted the Rhoa/ROCK1/p-MLC2 signal pathway. The expression levels of miRNA were significantly up-regulated, but related proteins of signal pathways were significantly reduced in Vasn knockout mice. The structure and function showed obvious damage in Vasn knockout mice. VASN knockout led to pathological cardiac hypertrophy, which may regulate the p-MLC2 signalling pathway through exosomal miRNA.
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