213 results found
    1. Cancer Biology

    SPIN1 promotes tumorigenesis by blocking the uL18 (universal large ribosomal subunit protein 18)-MDM2-p53 pathway in human cancer

    Ziling Fang et al.
    SPIN1, a nucleolar protein, plays an oncogenic role by suppressing the tumor suppressor p53's function via regulation of the uL18-MDM2-p53 pathway.
    1. Computational and Systems Biology
    2. Human Biology and Medicine

    Expression signature based on TP53 target genes doesn't predict response to TP53-MDM2 inhibitor in wild type TP53 tumors

    Dmitriy Sonkin
    A previously suggested expression signature based on thirteen TP53 transcriptional target genes does not predict the response of wild type TP53 tumors to TP53-MDM2 inhibitors.
    1. Human Biology and Medicine

    A distinct p53 target gene set predicts for response to the selective p53–HDM2 inhibitor NVP-CGM097

    Sébastien Jeay et al.
    The discovery and preclinical validation of a novel gene signature predictive for response to HDM2-targeting drug NVP-CGM097 could significantly improve the clinical response rate to all p53-HDM2 inhibitors.
    1. Cancer Biology

    Combined ALK and MDM2 inhibition increases antitumor activity and overcomes resistance in human ALK mutant neuroblastoma cell lines and xenograft models

    Hui Qin Wang et al.
    The combination of ceritinib with CGM097 demonstrates remarkable antitumor activity in TP53 wild-type neuroblastoma models with ALK aberrations and is able to overcome the resistance acquired during ceritinib treatment.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    A conserved Mcm4 motif is required for Mcm2-7 double-hexamer formation and origin DNA unwinding

    Kanokwan Champasa et al.
    Analysis of an essential motif in Mcm4 provides insights into replicative helicase double-hexamer formation and the first step requiring this intermediate during replication initiation.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    DNA binding polarity, dimerization, and ATPase ring remodeling in the CMG helicase of the eukaryotic replisome

    Alessandro Costa et al.
    The Mcm2-7 motor unwinds DNA using an approach distinct from that of superfamily III helicases, and accesses multiple ring configurations and assembly states during the initiation of DNA replication.
    1. Cell Biology
    2. Developmental Biology

    Ribosomal protein S27-like is a physiological regulator of p53 that suppresses genomic instability and tumorigenesis

    Xiufang Xiong et al.
    The ribosomal protein, Rps27l, plays an oncogenic role by promoting p53 degradation via stabilizing the Mdm2-Mdm4 complex, but a tumor suppressor role by preventing the aneuploidy and loss of p53 heterozygosity.
    1. Chromosomes and Gene Expression

    MCM2–7-dependent cohesin loading during S phase promotes sister-chromatid cohesion

    Ge Zheng et al.
    Systematic analyses of DNA replication machinery components in human cells reveal a requirement of MCM-dependent de novo loading or mobilization of cohesin at replication forks in establishing sister-chromatid cohesion.
    1. Cell Biology

    DNA Replication: Rethinking origin licensing

    Stephen P Bell
    Human cells that lack a subunit in their origin recognition complex are viable, which suggests the existence of alternative mechanisms to initiate DNA replication.
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