10,618 results found
    1. Stem Cells and Regenerative Medicine

    Paracrine Met signaling triggers epithelial–mesenchymal transition in mammary luminal progenitors, affecting their fate

    Amandine Di-Cicco et al.
    Mammary progenitors identified by a new marker, ICAM-1, undergo epithelial-mesenchymal transition and luminal-to-basal switch in response to paracrine Met activation.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    AFF4 binding to Tat-P-TEFb indirectly stimulates TAR recognition of super elongation complexes at the HIV promoter

    Ursula Schulze-Gahmen et al.
    AFF4 increases the combined selectivity of HIV Tat and TAR for super elongation complexes 330-fold over P-TEFb alone.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Identification of human TERT elements necessary for telomerase recruitment to telomeres

    Jens C Schmidt et al.
    The TEN-domain of human telomerase mediates the direct interaction with TPP1 to drive telomerase recruitment to telomeres.
    1. Cell Biology
    2. Stem Cells and Regenerative Medicine

    Precise let-7 expression levels balance organ regeneration against tumor suppression

    Linwei Wu et al.
    Mouse genetic studies reveal that let-7 performs potent tumor suppressive roles, but at the expense of regeneration and tissue homeostasis in the liver, findings with unanticipated therapeutic implications.
    1. Cell Biology

    Control of cell death/survival balance by the MET dependence receptor

    Leslie Duplaquet et al.
    MET acts as a dependence receptor in vivo by promoting hepatocyte apoptosis, a response induced by a caspase generated fragment able to favor calcium exchange between endoplasmic reticulum and mitochondria.
    1. Evolutionary Biology
    2. Genetics and Genomics

    The effect of hybridization on transposable element accumulation in an undomesticated fungal species

    Mathieu Hénault et al.
    Transposable elements are not reactivated in natural hybrids of the yeast Saccharomyces paradoxus, but their accumulation is genotype-specific and is not predicted by the evolutionary divergence between a hybrid's parents.
    1. Neuroscience

    Seizures are a druggable mechanistic link between TBI and subsequent tauopathy

    Hadeel Alyenbaawi et al.
    A traumatic brain injury model is invented for larval zebrafish and applied to a new fluorescent 'tauopathy reporter fish', revealing a role for seizures in progression towards dementias.
    1. Cell Biology

    RalB directly triggers invasion downstream Ras by mobilizing the Wave complex

    Giulia Zago et al.
    By moving from correlations to causality in cancer signal transduction using optogenetics, the sufficiency of RalB activation to trigger invasion and the underlying molecular mechanisms were established.
    1. Computational and Systems Biology
    2. Medicine

    An integrative model of cardiometabolic traits identifies two types of metabolic syndrome

    Amit Frishberg et al.
    A novel type of metabolic syndrome, derived from computational modeling of phenotypic diversity in normal physiological settings, increases the risk of certain complex diseases.
    1. Physics of Living Systems

    Theory for the optimal detection of time-varying signals in cellular sensing systems

    Giulia Malaguti, Pieter Rein ten Wolde
    A theory is presented for the optimal design of cellular sensing systems that maximizes the sensing precision given resource constraints.

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