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  • A multivalent signal-transducing model for the DNMT1-mediated maintenance DNA methylation

    Authors
    Wang, Gang G.
    Grimm, Sara A.
    Description

    Summary from the GEO: "Heterochromatin-specific histone modifications frequently coexist with mammalian DNA methylation to orchestrate a repressive chromatin state. However, it remains elusive how these epigenetic modifications crosstalk. Here, we report that the first bromoadjacent homology (BAH1) domain and the replication foci targeting sequence (RFTS) of maintenance DNA methyltransferase DNMT1...

    Subject
    DNA (Cytosine-5-)-Methyltransferase 1
    DNA Methylation
    Heterochromatin
    Histone Code
    Histones
    Access Rights
    Free to All
  • Oncogenic IDH mutations increase heterochromatin-related replication stress without impacting tumor mutation burden

    Authors
    Schvartzman, Juan-Manuel
    Koche, Richard Patrick
    Thompson, Craig B.
    Description

    Summary from GEO: "Oncogenic mutations in the metabolic enzyme isocitrate dehydrogenase 1 and 2 (IDH1/2) have been found in a number of liquid and solid tumors. Their pathogenic mechanism of action involves production of 2-hydroxyglutarate (2HG), an oncometabolite that acts in part by inhibiting members of a family of dioxygenases that modulate chromatin dynamics. Recent work has suggested that mutant...

    Subject
    DNA Replication
    Heterochromatin
    Isocitrate Dehydrogenase
    Poly ADP Ribosylation
    Poly(ADP-ribose) Polymerase Inhibitors
    Access Rights
    Free to All