7,554 results found
    1. Developmental Biology
    2. Evolutionary Biology

    Two consecutive microtubule-based epithelial seaming events mediate dorsal closure in the scuttle fly Megaselia abdita

    Juan Jose Fraire-Zamora et al.
    Evolutionary reduction in tissue number involves the simplification of the seaming process but not signaling during epithelial fusion.
    1. Cell Biology
    2. Developmental Biology

    Stimulation of hair follicle stem cell proliferation through an IL-1 dependent activation of γδT-cells

    Pedro Lee et al.
    Wounded epidermal keratinocytes emit a signal that activates a specialized T-cell in the skin, leading to an increase in hair follicle stem cell numbers that contributes to tissue repair.
    1. Biochemistry and Chemical Biology
    2. Immunology and Inflammation

    Synergy between serum amyloid A and secretory phospholipase A2

    Shobini Jayaraman et al.
    SAA removes toxic products of lipolysis of the cell membrane by sPLA2, indicating that SAA and sPLA2 act synergistically to clear debris from injured sites, as required for tissue healing.
    1. Plant Biology

    ATP sensing in living plant cells reveals tissue gradients and stress dynamics of energy physiology

    Valentina De Col et al.
    The monitoring of ATP dynamics in living plants using fluorescent protein biosensor provides evidence for the complex relationship between cellular energy status and growth.
    1. Developmental Biology

    Detailed analysis of chick optic fissure closure reveals Netrin-1 as an essential mediator of epithelial fusion

    Holly Hardy et al.
    Chick optic fissure closure is a powerful new model system for epithelial fusion and has revealed Netrin-1 as a conserved and essential mediator of tissue fusion in multiple contexts.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Human perivascular stem cell-derived extracellular vesicles mediate bone repair

    Jiajia Xu et al.
    Perivascular extracellular vesicles induce bone repair, and do so via tetraspanin binding to recipient skeletal progenitor cells.
    1. Neuroscience

    Regenerating hair cells in vestibular sensory epithelia from humans

    Ruth Rebecca Taylor et al.
    Immunolabelling and morphological assessment, complemented by complete transcriptomic analysis, demonstrates that supporting cells can be induced to convert towards a hair cell-like phenotype in human vestibular sensory epithelia.
    1. Genetics and Genomics

    Genetic and environmental perturbations lead to regulatory decoherence

    Amanda Lea et al.
    Infection and metabolic syndrome lead to a loss of molecular regulation, and changes in molecular correlations are under genetic control as revealed by the presence of correlation quantitative trait loci.
    1. Genetics and Genomics
    2. Neuroscience

    Temporal transcriptomics suggest that twin-peaking genes reset the clock

    William G Pembroke et al.
    RNA sequencing reveals the finer details of circadian variation in the mammalian master pacemaker over 24 hours, which suggests that transcriptional timing influences clock resetting mechanisms.
    1. Physics of Living Systems

    A multiphase theory for spreading microbial swarms and films

    Siddarth Srinivasan et al.
    A multiphase hydrodynamic theory reveals that the dynamics of colony expansion in microbial swarms and biofilms are limited by the constraints of water and nutrient availability.

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