329 results found
    1. Chromosomes and Gene Expression

    DNA-PK promotes DNA end resection at DNA double strand breaks in G0 cells

    Faith C Fowler, Bo-Ruei Chen ... Jessica K Tyler
    Molecular analyses and unbiased CRISPR screens reveal that extensive end resection occurs in quiescent cells after inducing DNA double strand breaks, in a manner dependent on DNA-PK.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    DNA-PK is a DNA sensor for IRF-3-dependent innate immunity

    Brian J Ferguson, Daniel S Mansur ... Geoffrey L Smith
    Experiments in mice have shown than an enzyme that repairs broken DNA inside the nucleus also has a central role in the innate immune system because it is able to detect foreign DNA outside the nucleus.
    1. Cancer Biology

    PTEN and DNA-PK determine sensitivity and recovery in response to WEE1 inhibition in human breast cancer

    Andrä Brunner, Aldwin Suryo Rahmanto ... Olle Sangfelt
    DNA-PK and PTEN protect breast cancer cells from lethal replication stress induced by the WEE1 inhibitor AZD1775 and constitute new potential biomarkers for AZD1775 sensitivity.
    1. Microbiology and Infectious Disease

    Mycobacterium tuberculosis exploits host ATM kinase for survival advantage through SecA2 secretome

    Savita Lochab, Yogendra Singh ... Vinay Kumar Nandicoori
    Mycobacterium tuberculosis (Mtb), effectors secreted through SecA2 pathway cause double strand breaks (DSBs) in the host DNA, which in turn activates ATM kinase to gain survival advantages, through Akt.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The universally-conserved transcription factor RfaH is recruited to a hairpin structure of the non-template DNA strand

    Philipp K Zuber, Irina Artsimovitch ... Stefan H Knauer
    Transcription factors can read out both the sequence and the structure of the non-template DNA strand in the transcription bubble, expanding the repertoire of mechanisms to control transcription.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Mutational phospho-mimicry reveals a regulatory role for the XRCC4 and XLF C-terminal tails in modulating DNA bridging during classical non-homologous end joining

    Davide Normanno, Aurélie Négrel ... Mauro Modesti
    In concert phosphorylation site modification of both XRCC4 and XLF C-terminal disordered tails promotes disassembly of XRCC4/XLF DNA tethers during c-NHEJ.
    1. Immunology and Inflammation

    A type I IFN-dependent DNA damage response regulates the genetic program and inflammasome activation in macrophages

    Abigail J Morales, Javier A Carrero ... Barry P Sleckman
    Activated macrophages initiate a robust DNA damage response that depends on type I IFN and regulates their genetic program and inflammasome activation, establishing a mechanistic link between DNA damage responses and innate immunity.
    1. Cell Biology

    Prickle isoforms determine handedness of helical morphogenesis

    Bomsoo Cho, Song Song, Jeffrey D Axelrod
    The Pkpk and Pksple isoforms of the Prickle protein determine right- or left-handed bristle morphogenesis by coupling Frizzled/Vang signaling to the Fat/Dachsous PCP directional signal in opposite directions.
    1. Medicine
    2. Genetics and Genomics

    Genomic variations of the mevalonate pathway in porokeratosis

    Zhenghua Zhang, Caihua Li ... Zhengwen Jiang
    Mutations in four members of the mevalonate pathway have been identified from 134 index porokeratosis patients, including some that correlate with specific clinical manifestations of the disease.
    1. Cell Biology

    SIRT6 is a DNA double-strand break sensor

    Lior Onn, Miguel Portillo ... Debra Toiber
    Hundreds of proteins are involved in the DNA damage response but only three sensors for DSB were known but now SIRT6 is identified as a fourth DSB sensor.

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