Key result
Transcriptomic analysis reveals conserved age-specific gene expression during human and guinea pig postnatal cardiac development.
Why the study?
Existing knowledge on postnatal heart development and cardiomyocyte maturation is limited, and developmental differences relevant to pediatric cardiovascular therapies remain understudied.
No immediate clinical implications; extends cross-species cardiac transcriptomics and leaves open functional validation.
Existing knowledge on postnatal heart development and cardiomyocyte maturation is limited. We investigated age-dependent transcriptional changes in neonatal, juvenile, and adult guinea pig hearts and then conducted a cross-species comparison to identify age-specific patterns that are conserved in the guinea pig and human atria. Expanding our knowledge of chamber- and age-specific gene expression patterns can inform and guide the selection of cardiovascular therapies in the pediatric population, where developmental differences are understudied.
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Salameh et al. (2025) studied Postnatal heart development. Transcriptomic analysis of neonatal, juvenile, and adult guinea pig and human heart tissue identified conserved age-specific gene expression patterns during postnatal cardiac development.
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