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2,769 results found
    1. Computational and Systems Biology

    Inherent regulatory asymmetry emanating from network architecture in a prevalent autoregulatory motif

    Md Zulfikar Ali et al.
    Network architecture and physiological features of the cell dictate asymmetric gene regulation between a negative autoregulatory TF gene and its target gene.
    1. Neuroscience

    VIP interneurons in mouse primary visual cortex selectively enhance responses to weak but specific stimuli

    Daniel J Millman et al.
    Measurements of visual response to motion of different contrasts along with network modeling reveals a microcircuit in superficial layers of cortex that regulates the gain regime.
    1. Cell Biology
    2. Computational and Systems Biology

    Deciphering anomalous heterogeneous intracellular transport with neural networks

    Daniel Han et al.
    Direct estimation of the Hurst exponent shows that endosomes and lysosomes reside in regimes of persistent and anti-persistent motion with heavy-tailed residence time distributions and motion correlated with endocytic function.
    1. Cell Biology
    2. Physics of Living Systems

    Centering and symmetry breaking in confined contracting actomyosin networks

    Niv Ierushalmi et al.
    Novel mechanisms for cellular centering and symmetry breaking involving persistent contractile actomyosin flows and their hydrodynamic interactions with the fluid cytosol are presented and studied using a minimal, reconstituted system.
    1. Neuroscience

    Astrocytes release prostaglandin E2 to modify respiratory network activity

    David Forsberg et al.
    Astrocytes modulate neuronal networks during hypercapnia, introducing a novel gliotransmitter pathway where prostaglandin E2 regulates breathing.
    1. Genetics and Genomics
    2. Neuroscience

    Layer-specific chromatin accessibility landscapes reveal regulatory networks in adult mouse visual cortex

    Lucas T Gray et al.
    ATAC-seq, transcriptomics, and transcription factor motif searches collaborate to build a network that regulates gene expression in different cortical layers.
    1. Developmental Biology

    A switch in transcription and cell fate governs the onset of an epigenetically-deregulated tumor in Drosophila

    Joana Torres et al.
    A previously unknown oncogenic feature of an embryonic transcription factor was uncovered from transcriptomic analysis of tumors that lack functional Polycomb silencing.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    An integrin/MFG-E8 shuttle loads HIV-1 viral-like particles onto follicular dendritic cells in mouse lymph node

    Chung Park, John H Kehrl
    Intravital imaging with HIV-1 viral-like particle in mouse model reveals a mechanism for HIV-1 uptake by subcapsular sinus macrophages that facilitates HIV-1 spreading tofollicular dendritic and B cells.
    1. Neuroscience

    A hierarchy of timescales explains distinct effects of local inhibition of primary visual cortex and frontal eye fields

    Luca Cocchi et al.
    The selective effect of local inhibition on diffuse patterns of brain connectivity can be accounted for by an intrinsic hierarchical ordering of cortical timescales.
    1. Neuroscience

    Multiplexed coding by cerebellar Purkinje neurons

    Sungho Hong et al.
    Cerebellar Purkinje neurons use a multiplexed simple spike code combining synchrony/spike time and firing rate, with each component encoding distinct information about movements such as motion onset timing and kinematics.

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