37 results found
    1. Cell Biology
    2. Computational and Systems Biology

    Nonlinear feedback drives homeostatic plasticity in H2O2 stress response

    Youlian Goulev, Sandrine Morlot ... Gilles Charvin
    Nonlinear H2O2 scavenging by peroxiredoxins drives acquired stress resistance and replicative lifespan hormesis.
    1. Microbiology and Infectious Disease

    The anti-tubercular drug delamanid as a potential oral treatment for visceral leishmaniasis

    Stephen Patterson, Susan Wyllie ... Alan H Fairlamb
    Biological and pharmacokinetic studies indicate that the anti-tubercular drug, delamanid, could be repurposed for the treatment of visceral leishmaniasis.
    1. Cell Biology

    ALKBH7 mediates necrosis via rewiring of glyoxal metabolism

    Chaitanya A Kulkarni, Sergiy M Nadtochiy ... Paul S Brookes
    Multi-omics reveals that Alkb homolog 7 (ALKBH7), α mitochondrial alpha-ketoglutarate dioxygenase of unclear function, regulates glyoxal metabolism, which may explain its role in necrosis and heart attack.
    1. Physics of Living Systems

    A unified approach to dissecting biphasic responses in cell signaling

    Vaidhiswaran Ramesh, J Krishnan
    In-built competing effects are present at different levels in signaling networks, starting from basic biochemical building blocks to the network level, and mathematical and computational analysis reveals when they give rise to biphasic responses and what the consequences are.
    1. Cell Biology
    2. Computational and Systems Biology

    The transcriptomic response of cells to a drug combination is more than the sum of the responses to the monotherapies

    Jennifer EL Diaz, Mehmet Eren Ahsen ... Gustavo Stolovitzky
    The transcriptomic profiles of the constituent monotherapies of synergistic drug pairs tend to be correlated and result in novel gene expression in the combinations.
    1. Cancer Biology
    2. Cell Biology

    NADPH oxidase-mediated redox signaling promotes oxidative stress resistance and longevity through memo-1 in C. elegans

    Collin Yvès Ewald, John M Hourihan ... Nancy E Hynes
    Genetic analysis reveals NADPH oxidase generated reactive oxygen species as signals to re-establish cellular homeostasis during aging via activating a transcriptional response.
    1. Biochemistry and Chemical Biology

    Changes in ferrous iron and glutathione promote ferroptosis and frailty in aging Caenorhabditis elegans

    Nicole L Jenkins, Simon A James ... Gawain McColl
    As worms age reduced glutathione together with increased ferrous iron increases frailty and leads to ferroptosis, which is amenable to therapeutic intervention.
    1. Cell Biology

    Hsf1 and the molecular chaperone Hsp90 support a ‘rewiring stress response’ leading to an adaptive cell size increase in chronic stress

    Samarpan Maiti, Kaushik Bhattacharya ... Didier Picard
    Human cells adapt to chronic mild stresses, such as slightly elevated temperature, by getting larger in a process that couples increased translation to increased cell size in an Hsp90-dependent manner.
    1. Medicine

    Myocardial NADPH oxidase-4 regulates the physiological response to acute exercise

    Matthew Hancock, Anne D Hafstad ... Min Zhang
    Cardiomyocyte Nox4 is a crucial physiological mediator of Nrf2 activation during acute exercise, triggering an adaptive response that preserves redox balance, mitochondrial and cardiac function to support normal physical exercise.
    1. Biochemistry and Chemical Biology

    Age- and diet-associated metabolome remodeling characterizes the aging process driven by damage accumulation

    Andrei S Avanesov, Siming Ma ... Vadim N Gladyshev
    Aging is a process characterized by gradual metabolome remodeling, deceleration of the remodeling in late life and under conditions that extend lifespan, and a mortality-associated pattern of cumulative damage.

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