2,452 results found
    1. Developmental Biology

    Feedback regulation of cytoneme-mediated transport shapes a tissue-specific FGF morphogen gradient

    Lijuan Du et al.
    FGF morphogen gradient self-generates a recipient tissue-specific contour by feedback-regulating its cytoneme-mediated dispersion.
    1. Computational and Systems Biology
    2. Developmental Biology

    A balance of positive and negative regulators determines the pace of the segmentation clock

    Guy Wiedermann et al.
    Computational modelling together with experimental manipulation indicate that the stability and turnover of activated Notch is inextricably linked to the regulation of the pace of segmentation clock gene expression in the presomitic mesoderm.
    1. Cell Biology
    2. Developmental Biology

    Pentagone internalises glypicans to fine-tune multiple signalling pathways

    Mark Norman et al.
    Glypican proteins, required for morphogen signalling in Drosophila wing development, are endocytosed and degraded by the feedback regulator Pentagone.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    Hsf1 and Hsp70 constitute a two-component feedback loop that regulates the yeast heat shock response

    Joanna Krakowiak et al.
    Dynamic regulation of the heat shock response depends on a negative feedback loop in which Hsf1 activates expression of Hsp70 and Hsp70 specifically and directly represses Hsf1 transactivation.
    1. Computational and Systems Biology
    2. Developmental Biology

    Size control of the inner ear via hydraulic feedback

    Kishore R Mosaliganti et al.
    Size regulation of the otic vesicle, the progenitor of the inner ear, is mediated by mechanical feedback involving fluid influx, hydraulic pressure, and tissue mechanics.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    Kinesin Kip2 enhances microtubule growth in vitro through length-dependent feedback on polymerization and catastrophe

    Anneke Hibbel et al.
    The budding yeast kinesin Kip2 is a polymerase that uses its processive motility in a positive feedback loop to promote microtubule growth.
    1. Developmental Biology
    2. Neuroscience

    Retrograde fibroblast growth factor 22 (FGF22) signaling regulates insulin-like growth factor 2 (IGF2) expression for activity-dependent synapse stabilization in the mammalian brain

    Akiko Terauchi et al.
    Feedback signaling between the synapse and nucleus via FGF22 and IGF2 directs the activity-dependent stabilization of presynaptic terminals in the mouse hippocampus.
    1. Immunology and Inflammation

    T cells translate individual, quantal activation into collective, analog cytokine responses via time-integrated feedbacks

    Karen E Tkach et al.
    Experiment-driven quantitative model of IL-2 secretion demonstrates how T cells integrate their digital antigen responses into an analog-scaled output.
    1. Genetics and Genomics
    2. Neuroscience

    An adipokine feedback regulating diurnal food intake rhythms in mice

    Anthony H Tsang et al.
    Adiponectin signaling integrates metabolic state information to regulate circadian clock function in hypothalamic appetite regulating centers, food intake rhythms, and body weight.
    1. Cancer Biology
    2. Cell Biology

    Nerve growth factor receptor negates the tumor suppressor p53 as a feedback regulator

    Xiang Zhou et al.
    The nerve growth factor receptor (NGFR) protein regulates p53 via two negative feedback mechanisms, which are hijacked by cancer cells.

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