414 results found
    1. Neuroscience

    nNOS-expressing interneurons control basal and behaviorally evoked arterial dilation in somatosensory cortex of mice

    Christina T Echagarruga, Kyle W Gheres ... Patrick J Drew
    The diameter of cortical arteries is not controlled by the overall neural activity, but rather by a subset of specialized neurons.
    1. Neuroscience

    3D optogenetic control of arteriole diameter in vivo

    Philip J O'Herron, David A Hartmann ... Andy Y Shih
    The diameter of individual or multiple arterioles can be rapidly controlled with high spatiotemporal resolution using optogenetics, providing a technique for the direct manipulation of blood flow independently of neural activity or pharmacological agents.
    1. Cell Biology
    2. Developmental Biology

    Suppression of ischemia in arterial occlusive disease by JNK-promoted native collateral artery development

    Kasmir Ramo, Koichi Sugamura ... Roger J Davis
    The kinase JNK is required in endothelial cells for the development of native collateral arteries.
    1. Neuroscience

    Imaging of the pial arterial vasculature of the human brain in vivo using high-resolution 7T time-of-flight angiography

    Saskia Bollmann, Hendrik Mattern ... Jonathan R Polimeni
    Partial-volume effects were found to be the current limit to imaging pial arteries with MRI, not their slow blood flow, and therefore advanced acquisition techniques achieving resolutions below 200 µm in vivo provide a more complete picture of these vessels.
    1. Chromosomes and Gene Expression

    Sphingosine 1-phosphate-regulated transcriptomes in heterogenous arterial and lymphatic endothelium of the aorta

    Eric Engelbrecht, Michel V Levesque ... Timothy Hla
    The sphingosine 1-phosphate receptor-1 (S1PR1) signals in heterogenous populations of mouse adventitial lymphatic (LEC) and arterial endothelial cells (aEC1, aEC2) to regulate chromatin and the transcriptome, thus affecting their phenotypes.
    1. Developmental Biology

    Coronary arterial development is regulated by a Dll4-Jag1-EphrinB2 signaling cascade

    Stanislao Igor Travisano, Vera Lucia Oliveira ... José Luis de la Pompa
    Notch ligands Jag1 and Dll4 and their effector Ephb2 are required in sinus venosus endocardium for primitive coronary vasculature formation and later for arterial differentiation and maturation of coronary endothelium.
    1. Cell Biology

    Alternative RNA splicing in the endothelium mediated in part by Rbfox2 regulates the arterial response to low flow

    Patrick A Murphy, Vincent L Butty ... Richard O Hynes
    Transcriptome analysis reveals an alternative splicing program induced in the arterial endothelium under low-flow inflammatory conditions by platelet and macrophage recruitment and dependent upon the RNA-binding splice factor Rbfox2.
    1. Neuroscience

    Purinergic regulation of vascular tone in the retrotrapezoid nucleus is specialized to support the drive to breathe

    Virginia E Hawkins, Ana C Takakura ... Daniel K Mulkey
    CO2/H+-dependent purinergic signaling by astrocytes provides specialized control of vascular tone in a brainstem respiratory center in a manner that contributes to respiratory behavior.
    1. Developmental Biology

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

    Lorriane Eley, Ahlam MS Alqahtani ... Deborah J Henderson
    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. Neuroscience

    Brain endothelial cell TRPA1 channels initiate neurovascular coupling

    Pratish Thakore, Michael G Alvarado ... Scott Earley
    Activation of TRPA1 channels on cerebral capillary endothelial cells initiates a retrograde signal that propagates and dilates upstream arterioles.

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