466 results found
    1. Neuroscience

    Infant brain regional cerebral blood flow increases supporting emergence of the default-mode network

    Qinlin Yu, Minhui Ouyang ... Hao Huang
    Unprecedented 4D spatiotemporal infant regional cerebral blood flow framework and region-specific physiology–function coupling across infancy were elucidated, highlighting strong physiology–function coupling specifically at the default-mode network to meet extraneuronal metabolic demand for network emergence.
    1. Neuroscience

    Mechanistic insights into a TIMP3-sensitive pathway constitutively engaged in the regulation of cerebral hemodynamics

    Carmen Capone, Fabrice Dabertrand ... Anne Joutel
    Extracellular matrix signaling constitutively regulates cerebral blood flow in both physiological and pathological settings.
    1. Neuroscience

    Cerebral blood flow and cerebrovascular reactivity are preserved in a mouse model of cerebral microvascular amyloidosis

    Leon P Munting, Marc Derieppe ... Louise van der Weerd
    The causal link between capillary amyloid‑β accumulation in the brain and cerebrovascular dysfunction, previously established in the Tg‑SwDI mouse model, is to be mitigated and remains to be fully uncovered.
    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. Neuroscience

    More homogeneous capillary flow and oxygenation in deeper cortical layers correlate with increased oxygen extraction

    Baoqiang Li, Tatiana V Esipova ... Sava Sakadžić
    Resting-state capillary blood flow and oxygenation are more homogeneous in the deeper cortical layers, underpinning an important mechanism by which the microvascular network adapts to an increased local oxidative metabolism.
    1. Neuroscience

    In vivo imaging with a water immersion objective affects brain temperature, blood flow and oxygenation

    Morgane Roche, Emmanuelle Chaigneau ... Serge Charpak
    Brain temperature and oxygenation vary according to the imaging conditions during two-photon microscopy.
    1. Genetics and Genomics
    2. Medicine

    PTPRG is an ischemia risk locus essential for HCO3-dependent regulation of endothelial function and tissue perfusion

    Kristoffer B Hansen, Christian Staehr ... Ebbe Boedtkjer
    HCO3-sensitive regulation of endothelium-dependent vasorelaxation by receptor-type tyrosine-protein phosphatase RPTPγ provides a novel mechanism for acid-base-mediated coordination of cerebrovascular perfusion during increased local metabolism and for protection against ischemia.
    1. Neuroscience
    2. Physics of Living Systems

    Bulk flow of cerebrospinal fluid observed in periarterial spaces is not an artifact of injection

    Aditya Raghunandan, Antonio Ladron-de-Guevara ... Douglas H Kelley
    A new tracer infusion method is used to confirm that pulsatile cerebrospinal fluid transport into the brain occurs naturally and is driven by the cardiac cycle, not by tracer injection.
    1. Neuroscience

    Disruption of thalamic functional connectivity is a neural correlate of dexmedetomidine-induced unconsciousness

    Oluwaseun Akeju, Marco L Loggia ... Patrick L Purdon
    Patterns of communication between the thalamus and the cortex are correlated with anesthesia-induced loss of consciousness and recovery.
    1. Epidemiology and Global Health
    2. Microbiology and Infectious Disease

    Two complement receptor one alleles have opposing associations with cerebral malaria and interact with α+thalassaemia

    D Herbert Opi, Olivia Swann ... J Alexandra Rowe
    Analysis of a large Kenyan dataset may resolve previously conflicting studies by identifying polymorphisms which interact to modify the risk of cerebral malaria.

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