1,787 results found
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    Digital signaling decouples activation probability and population heterogeneity

    Ryan A Kellogg, Chengzhe Tian ... Savaş Tay
    Digital NF-κB signaling achieves orthogonal control over the probability of activation (percentage of activated cells) and dynamic response heterogeneity in the population via the area and shape of the input profile.
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    Affinity and dose of TCR engagement yield proportional enhancer and gene activity in CD4+ T cells

    Karmel A Allison, Eniko Sajti ... Christopher K Glass
    Pre-existing enhancers interpret T cell signaling strength in an analogue manner to direct quantitative changes in gene expression within the context of an overall digital response.
    1. Cell Biology
    2. Computational and Systems Biology

    Continuous sensing of nutrients and growth factors by the mTORC1-TFEB axis

    Breanne Sparta, Nont Kosaisawe ... John G Albeck
    Single-cell data on cell signaling responses to nutrient variation enable quantitative models of cellular control over protein synthesis, formalizing the concept of mTOR as a homeostatic controller of cellular metabolism.
    1. Medicine

    Postnatal mechanical loading drives adaptation of tissues primarily through modulation of the non-collagenous matrix

    Danae E Zamboulis, Chavaunne T Thorpe ... Peter D Clegg
    Phase-specific mechanical and proteomic analyses reveal how tendon responds to its mechanical environment during postnatal development to meet functional requirements.
    1. Neuroscience

    Coordination of rapid cholinergic and dopaminergic signaling in striatum during spontaneous movement

    Mark Howe, Imane Ridouh ... Daniel A Dombeck
    Optical recordings reveal previously unknown neuromodulator dynamics in the striatum during animal movements that suggest a new interpretation of the underpinnings of bradykinetic movements exhibited in Parkinson's Disease patients.
    1. Cell Biology
    2. Immunology and Inflammation

    Hyperphosphatemia increases inflammation to exacerbate anemia and skeletal muscle wasting independently of FGF23-FGFR4 signaling

    Brian Czaya, Kylie Heitman ... Christian Faul
    Hyperphosphatemia, by itself and in the context of chronic kidney disease, contributes to iron restrictive anemia by directly targeting the liver and elevating proinflammatory cytokines and hepcidin, which contributes to widespread tissue injury, such as skeletal muscle wasting.
    1. Cell Biology
    2. Neuroscience

    Activity-dependent mitochondrial ROS signaling regulates recruitment of glutamate receptors to synapses

    Rachel L Doser, Kaz M Knight ... Frederic J Hoerndli
    In response to neuronal activity in vivo, mitochondria in dendrites of excitatory neurons inhibit recruitment of ionotropic glutamate receptors through a reactive oxygen signaling mechanism.
    1. Neuroscience

    Analogue signaling of somatodendritic synaptic activity to axon enhances GABA release in young cerebellar molecular layer interneurons

    Federico Trigo, Shin-ya Kawaguchi
    In cerebellar interneurons, somatodendritic subthreshold synaptic activity travels down the axon and augments AP-dependent GABA release by a modulation of the intermediate states of voltage-dependent Ca++ channels in the presynaptic boutons.
    1. Cell Biology

    Regulation of EGFR signal transduction by analogue-to-digital conversion in endosomes

    Roberto Villaseñor, Hidenori Nonaka ... Marino Zerial
    Cells package active receptors in endosomes at fairly constant amounts and can determine different cell-fate decisions by regulating the number and lifetime of receptor packages.
    1. Developmental Biology
    2. Plant Biology

    Control of Arabidopsis shoot stem cell homeostasis by two antagonistic CLE peptide signalling pathways

    Jenia Schlegel, Gregoire Denay ... Rüdiger GW Simon
    Plant meristem size and shape is controlled by two intertwined regional feedback signals that are mediated by secreted peptides.

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