1,201 results found
    1. Cell Biology
    2. Immunology and Inflammation

    Rapamycin rejuvenates oral health in aging mice

    Jonathan Y An, Kristopher A Kerns ... Matt Kaeberlein
    Short-term treatment with rapamycin reverses periodontal bone loss, attenuates inflammation, and remodels the oral microbiome toward a more youthful state.
    1. Cancer Biology

    Transient rapamycin treatment can increase lifespan and healthspan in middle-aged mice

    Alessandro Bitto, Takashi K Ito ... Matt Kaeberlein
    Three months treatment with the drug rapamycin increases lifespan, alters cancer prevalence, remodels the microbiome, and improves functional measures of health in middle aged mice in a dose- and sex-dependent manner.
    1. Genetics and Genomics

    Pooled genome-wide CRISPR activation screening for rapamycin resistance genes in Drosophila cells

    Baolong Xia, Raghuvir Viswanatha ... Norbert Perrimon
    A novel genome-wide transcriptional activation screening in Drosophila cells revealed the activation of InR-Akt-mTOR pathway by cholesterol in plasma membrane to confer resistance to Rapamycin.
    1. Neuroscience

    Alleviation of neuronal energy deficiency by mTOR inhibition as a treatment for mitochondria-related neurodegeneration

    Xinde Zheng, Leah Boyer ... Tony Hunter
    Rapamycin treatment inhibits mTOR activity and preserves ATP levels in neurons derived from induced pluripotent stem cells from a maternally inherited Leigh syndrome patient.
    1. Biochemistry and Chemical Biology

    Dynamic metabolome profiling uncovers potential TOR signaling genes

    Stella Reichling, Peter F Doubleday ... Duncan Holbrook-Smith
    High throughput metabolome profiling of yeast cells that are dynamically perturbed with the drug rapamycin can be used to implicate new genes in the key cellular process of TOR signaling, including the gene of unknown function CFF1.
    1. Cancer Biology
    2. Cell Biology

    The mTORC1-mediated activation of ATF4 promotes protein and glutathione synthesis downstream of growth signals

    Margaret E Torrence, Michael R MacArthur ... Brendan D Manning
    ATF4 is a metabolic effector of mTORC1 signaling, co-opted to induce gene targets involved in amino acid synthesis, uptake, and tRNA charging, contributing to mTORC1-driven protein and glutathione synthesis.
    1. Cell Biology
    2. Plant Biology

    Parallel global profiling of plant TOR dynamics reveals a conserved role for LARP1 in translation

    M Regina Scarpin, Samuel Leiboff, Jacob O Brunkard
    Plants and humans use a shared mechanism, the eukaryotic metabolic sensor TARGET OF RAPAMYCIN protein kinase and its substrate, an RNA-binding protein called LARP1, to coordinate post-transcriptional gene expression.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    A TORC1-histone axis regulates chromatin organisation and non-canonical induction of autophagy to ameliorate ageing

    Yu-Xuan Lu, Jennifer C Regan ... Linda Partridge
    Modulation of histone levels in gut enterocytes by rapamycin treatment alters chromatin organisation and induces intestinal autophagy through transcriptional regulation to prevent age-related decline in the intestine and extend lifespan.
    1. Neuroscience

    Activation of mTORC1 and c-Jun by Prohibitin1 loss in Schwann cells may link mitochondrial dysfunction to demyelination

    Gustavo Della-Flora Nunes, Emma R Wilson ... M Laura Feltri
    mTORC1 and c-Jun are implicated in a possible mechanism causing myelin loss downstream of mitochondrial dysfunction in Schwann cells.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    GE23077 binds to the RNA polymerase ‘i’ and ‘i+1’ sites and prevents the binding of initiating nucleotides

    Yu Zhang, David Degen ... Richard H Ebright
    The cyclic-peptide antibiotic GE23077 inhibits bacterial RNA polymerase through a novel target that exhibits low susceptibility to target-based resistance and that enables synthesis of bipartite inhibitors that are exceptionally potent and refractory to target-based resistance.

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