3,659 results found
    1. Computational and Systems Biology
    2. Physics of Living Systems

    Physical limits of flow sensing in the left-right organizer

    Rita R Ferreira, Andrej Vilfan ... Julien Vermot
    Large-scale in vivo imaging of the zebrafish left-right organizer (Kupffer's vesicle) combined with fluid dynamics calculations allows to quantitatively test the possible flow detection mechanisms and supports the flow transport of chemical signals as the mechanism of side determination.
    1. Stem Cells and Regenerative Medicine

    Stem cells and fluid flow drive cyst formation in an invertebrate excretory organ

    Hanh Thi-Kim Vu, Jochen C Rink ... Alejandro Sánchez Alvarado
    Planarians provide evidence for a common evolutionary origin of vertebrate and invertebrate excretory systems and provide a novel experimental model to study human kidney diseases.
    1. Structural Biology and Molecular Biophysics

    Intravascular flow stimulates PKD2 (polycystin-2) channels in endothelial cells to reduce blood pressure

    Charles E MacKay, M Dennis Leo ... Jonathan H Jaggar
    PKD2 (polycystin-2) channels are a major component of a flow-sensing signaling mechanism in endothelial cells that stimulates vasodilation and reduces blood pressure.
    1. Physics of Living Systems

    Hydrodynamic model of fish orientation in a channel flow

    Maurizio Porfiri, Peng Zhang, Sean D Peterson
    A hydrodynamic model of fish swimming in a channel predicts a critical flow speed for fish to successfully swim against a flow, unveiling a passive mechanism for rheotaxis to emerge without access to any sensory information.
    1. Developmental Biology

    Abortive intussusceptive angiogenesis causes multi-cavernous vascular malformations

    Wenqing Li, Virginia Tran ... Mark H Ginsberg
    Genetic studies reveal that mosaic inactivation of ccm2 causes characteristic cerebral cavernous malformations in adult zebrafish and aberrant responses to blood flow that induce the formation of a lethal embryonic multi-cavernous venous malformation.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Long-term balancing selection drives evolution of immunity genes in Capsella

    Daniel Koenig, Jörg Hagmann ... Detlef Weigel
    Retention of genetic diversity at immune-related loci drives the pattern of genetic variation in selfing Capsella.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    A plasma membrane-localized polycystin-1/polycystin-2 complex in endothelial cells elicits vasodilation

    Charles E MacKay, Miranda Floen ... Jonathan H Jaggar
    Flow stimulates PC-1/PC-2 clusters in the plasma membrane of endothelial cells, leading to Ca2+ influx, NOS, SK channel, and IK channel activation, vasodilation, and a reduction in blood pressure.
    1. Cell Biology
    2. Developmental Biology

    Non-canonical Wnt signalling modulates the endothelial shear stress flow sensor in vascular remodelling

    Claudio A Franco, Martin L Jones ... Holger Gerhardt
    A threshold level of blood flow initiates developmental blood vessel regression; this threshold can be regulated by non-canonical Wnt ligands.
    1. Cell Biology

    The SWELL1-LRRC8 complex regulates endothelial AKT-eNOS signaling and vascular function

    Ahmad F Alghanem, Javier Abello ... Rajan Sah
    SWELL1 is required for basal, stretch, and flow-mediated endothelial AKT-eNOS signaling in vitro and protects against angiotensin-induced hypertension and diabetes-associated vascular dysfunction in vivo.
    1. Cell Biology
    2. Neuroscience

    Tissue acidosis induces neuronal necroptosis via ASIC1a channel independent of its ionic conduction

    Yi-Zhi Wang, Jing-Jing Wang ... Tian-Le Xu
    An interaction between the ion channel ASIC1a and the protein RIP1 is responsible for neuronal death caused by tissue acidosis.

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