3,089 results found
    1. Medicine

    The tricuspid valve also maladapts as shown in sheep with biventricular heart failure

    William D Meador et al.
    Demonstrating the tricuspid valve maladapts is critical, and understanding its regurgitation may aid in developing better treatment strategies.
    1. Developmental Biology

    A novel source of arterial valve cells linked to bicuspid aortic valve without raphe in mice

    Lorriane Eley et al.
    Identification of a novel source of progenitor cells that form arterial valve leaflets and that, when disrupted, can lead to bicuspid arterial valve, the most common human cardiac malformation.
    1. Developmental Biology

    Mechanically activated piezo channels modulate outflow tract valve development through the Yap1 and Klf2-Notch signaling axis

    Anne-Laure Duchemin et al.
    High resolution in vivo imaging of the zebrafish heart morphogenesis allows quantitative testing of the impact of stretch sensitive channels during outflow tract valve development.
    1. Ecology
    2. Evolutionary Biology

    Heart fossilization is possible and informs the evolution of cardiac outflow tract in vertebrates

    Lara Maldanis et al.
    The discovery of a fossil heart in Rhacolepis buccalis demonstrates that it is possible to scrutinize the fossil record for important clues on cardiac structure and evolution.
    1. Developmental Biology

    Heg1 and Ccm1/2 proteins control endocardial mechanosensitivity during zebrafish valvulogenesis

    Stefan Donat et al.
    The cerebral cavernous malformations complex is controlled in a blood-flow sensitive manner and affects cardiac valve leaflet morphogenesis by regulating the expression of Klf2 and of Notch signalling activity.
    1. Medicine

    Aorta smooth muscle-on-a-chip reveals impaired mitochondrial dynamics as a therapeutic target for aortic aneurysm in bicuspid aortic valve disease

    Mieradilijiang Abudupataer et al.
    An aorta smooth muscle-on-a-chip model indicated that NOTCH1 insufficiency in HAoSMCs induced phenotypic switching from a contractile to a synthetic phenotype accompanied by an impairment of mitochondrial fusion, implying its potential role as a therapeutic target for BAV-TAA.
    1. Neuroscience

    Human complex exploration strategies are enriched by noradrenaline-modulated heuristics

    Magda Dubois et al.
    Humans supplement complex, resource-demanding strategies with simple heuristics for solving the exploration-exploitation dilemma, and noradrenaline functioning controls their utilisation.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    In vivo single-cell lineage tracing in zebrafish using high-resolution infrared laser-mediated gene induction microscopy

    Sicong He et al.
    Infrared laser-mediated gene induction microscopy enables precise single-cell labeling in various tissues of zebrafish, and in vivo visualized single-cell lineage tracing reveals the lineage heterogeneity in hematopoietic endothelial cells.
    1. Cell Biology
    2. Developmental Biology

    The EMT transcription factor Snai1 maintains myocardial wall integrity by repressing intermediate filament gene expression

    Alessandra Gentile et al.
    The transcription factor Snai1b maintains the myocardial wall integrity by limiting cell extrusions and regulating the intermediate filament gene desmin b.
    1. Neuroscience

    Homeostatic reinforcement learning for integrating reward collection and physiological stability

    Mehdi Keramati, Boris Gutkin
    A mathematical model built around the assumption that the desire to maintain internal homeostasis drives the behavior of animals, by affecting their learning processes, can explain many real-world behaviors, including some that might otherwise appear irrational.

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