431 results found
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Single-cell analysis uncovers that metabolic reprogramming by ErbB2 signaling is essential for cardiomyocyte proliferation in the regenerating heart

    Hessel Honkoop, Dennis EM de Bakker ... Jeroen Bakkers
    Single-cell RNA sequencing reveals Nrg1/ErbB2-induced metabolic reprogramming as a pivotal event for cardiomyocyte proliferation during heart regeneration.
    1. Cell Biology
    2. Developmental Biology

    Nr2f1a maintains atrial nkx2.5 expression to repress pacemaker identity within venous atrial cardiomyocytes of zebrafish

    Kendall E Martin, Padmapriyadarshini Ravisankar ... Joshua S Waxman
    The transcription factor Nr2f1a represses ventricular and pacemaker cardiomyocyte identities within distinct regions of the zebrafish atrium.
    1. Cell Biology
    2. Developmental Biology

    Reduced matrix rigidity promotes neonatal cardiomyocyte dedifferentiation, proliferation and clonal expansion

    Yfat Yahalom-Ronen, Dana Rajchman ... Eldad Tzahor
    Compliant matrix provides a permissive micoenvironment for cardiomyocyte dedifferentiation, cell division and expansion, and thus may open a new avenue towards cardiac regeneration.
    1. Cell Biology

    Reduction of elevated proton leak rejuvenates mitochondria in the aged cardiomyocyte

    Huiliang Zhang, Nathan N Alder ... Peter S Rabinovitch
    The primary respiratory defect seen in aged cardiomyocytes is an elevated proton leak mediated by ANT1, and this is prevented by treatment with SS-31 (elamipretide).
    1. Developmental Biology

    Cardiac neural crest contributes to cardiomyocytes in amniotes and heart regeneration in zebrafish

    Weiyi Tang, Megan L Martik ... Marianne E Bronner
    Lineage analysis reveals that cardiac neural crest contributes to cardiomyocytes across vertebrates and consistent with this, the neural crest gene regulatory program is reactivated upon heart regeneration in zebrafish.
    Short Report Updated
    Formats available:
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    1. Cell Biology
    2. Chromosomes and Gene Expression

    Cardiac endothelial cells maintain open chromatin and expression of cardiomyocyte myofibrillar genes

    Nora Yucel, Jessie Axsom ... Zoltan Arany
    Endothelial cells in the heart have transcriptional and epigenetic signatures of cardiomyocytes.
    1. Cell Biology
    2. Developmental Biology

    Developmental alterations in centrosome integrity contribute to the post-mitotic state of mammalian cardiomyocytes

    David C Zebrowski, Silvia Vergarajauregui ... Felix B Engel
    Mammal hearts are unable to replace lost cardiomyocytes, which may be due to the loss of centrosome integrity in these cells after birth.
    Short Report Updated
    Formats available:
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    • PDF
    1. Genetics and Genomics
    2. Stem Cells and Regenerative Medicine

    CHD-associated enhancers shape human cardiomyocyte lineage commitment

    Daniel A Armendariz, Sean C Goetsch ... Gary C Hon
    Single-cell screens during human cardiomyocyte (CM) differentiation reveal that perturbation of congenital heart defect-linked enhancers/genes causes deficient CM differentiation.
    1. Cell Biology

    Muscle-specific stress fibers give rise to sarcomeres in cardiomyocytes

    Aidan M Fenix, Abigail C Neininger ... Dylan T Burnette
    Sarcomeres in heart muscle cells come from stress fiber-like structures that are mechanistically distinct from stress fibers in non-muscle cells.
    1. Evolutionary Biology

    A generally conserved response to hypoxia in iPSC-derived cardiomyocytes from humans and chimpanzees

    Michelle C Ward, Yoav Gilad
    Evolutionarily conserved hypoxic stress response genes are depleted for association with expression quantitative trait loci.

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