52 results found
    1. Neuroscience

    Early-life stress induces persistent astrocyte dysfunction associated with fear generalisation

    Mathias Guayasamin, Lewis R Depaauw-Holt ... Ciaran Murphy-Royal
    Amygdala astrocytes play a critical role in mediating the effects of stress during infancy on neuronal excitability, synaptic plasticity, and memory.
    1. Microbiology and Infectious Disease

    Altering the redox status of Chlamydia trachomatis directly impacts its developmental cycle progression

    Vandana Singh, Scot P Ouellette
    Differentiation of the pathogenic bacterium, Chlamydia trachomatis, from its non-infectious to infectious form is linked to the redox state of the organism.
    1. Cell Biology

    Impairment of lipid homeostasis causes lysosomal accumulation of endogenous protein aggregates through ESCRT disruption

    John Yong, Jacqueline E Villalta ... Calvin H Jan
    Genome-wide CRISPRi screens and proteome profiling of lysosomes link lipid dysregulation to ESCRT disruption and proteostasis defect.
    1. Cell Biology
    2. Genetics and Genomics

    Multi-species genome-wide CRISPR screens identify conserved suppressors of cold-induced cell death

    Breanna Lam, Kathrin M Kajderowicz ... Sinisa Hrvatin
    Not revised
    Reviewed Preprint v1
    • Important
    • Compelling
    1. Microbiology and Infectious Disease

    Divergent downstream biosynthetic pathways are supported by L-cysteine synthases of Mycobacterium tuberculosis

    Mehak Zahoor Khan, Debbie M Hunt ... Vinay Kumar Nandicoori
    CysM and CysK2 play complementary and overlapping roles in Mtb's adaptation to environmental stress that are crucial for survival.
    1. Cell Biology
    2. Computational and Systems Biology

    Multi-omic analysis of bat versus human fibroblasts reveals altered central metabolism

    N Suhas Jagannathan, Javier Yu Peng Koh ... Lisa Tucker-Kellogg
    To investigate why bats are long-lived and cancer-resistant, multi-omic data from bat and human cells was analyzed using computational flux modeling, suggesting dysregulation of succinate-fumarate dynamics and an ischemic-like basal metabolism in bat cells.
    1. Cancer Biology
    2. Cell Biology

    SOD1 is a synthetic-lethal target in PPM1D-mutant leukemia cells

    Linda Zhang, Joanne I Hsu ... Margaret A Goodell
    PPM1D-mutant leukemia cells exhibit a dysregulated redox landscape, a diminished response to oxidative stress, and rely on SOD1 for their survival.
    1. Cell Biology

    Mitochondrial defects caused by PARL deficiency lead to arrested spermatogenesis and ferroptosis

    Enrico Radaelli, Charles-Antoine Assenmacher ... Marco Spinazzi
    Mitochondrial functional and structural defects caused by PARL deficiency lead to arrested spermatogenesis and germ cell ferroptosis.
    1. Microbiology and Infectious Disease

    Biosensor-integrated transposon mutagenesis reveals rv0158 as a coordinator of redox homeostasis in Mycobacterium tuberculosis

    Somnath Shee, Reshma T Veetil ... Amit Singh
    Genome-scale integration of transposon mutagenesis with a redox biosensor identified a hypothetical transcription factor- Rv0158 required to calibrate the growth, cytoplasmic redox potential, and respiration of Mycobacterium tuberculosis in response to metabolic switching from glucose to fatty acids.
    1. Cell Biology

    Lipid hydroperoxides promote sarcopenia through carbonyl stress

    Hiroaki Eshima, Justin L Shahtout ... Katsuhiko Funai
    Genetic or pharmacological suppression of lipid peroxidation pathway protects skeletal muscle from disuse-induced atrophy and weakness in young and old mice.

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