Key result
Total RNA-seq of neonatal mouse hearts revealed a transition in miRNA expression between postnatal days 3 and 5 associated with cessation of cardiomyocyte cell division, with functional conservation in human cells.
Population
Neonatal mouse hearts (postnatal days 3, 5, 10) and human cardiomyocytes
Comparison
Transcriptomic profiling and functional… vs Normal postnatal development versus…
Design
Preclinical
Follow-up
10 days postnatal
Authors
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No immediate clinical application post-MI; hypothesis-generating for neonatal regeneration pathways pending functional validation.
Specific miRNAs regulate cardiomyocyte proliferation and regeneration in both mice and humans, offering potential therapeutic targets for cardiac regeneration post-myocardial infarction.
Adamowicz et al. (2018) studied Myocardial infarction and cardiac regeneration. Transcriptome analysis (RNA-seq) and miRNA expression was evaluated on Transcriptome changes and miRNA expression related to cardiomyocyte proliferation. Total RNA-seq of neonatal mouse hearts revealed a transition in miRNA expression between postnatal days 3 and 5 associated with cessation of cardiomyocyte cell division, with functional conservation in human cells.
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