8,118 results found
    1. Cancer Biology
    2. Chromosomes and Gene Expression

    Characterization of the mechanism by which the RB/E2F pathway controls expression of the cancer genomic DNA deaminase APOBEC3B

    Pieter A Roelofs et al.
    The antiviral and genomic DNA deaminase APOBEC3B is repressed in normal cells by PRC1.6/E2F6 and DREAM/E2F4 complexes and deregulation of this axis provides a unifying mechanism for overexpression in cancer.
    1. Cancer Biology
    2. Cell Biology

    Many si/shRNAs can kill cancer cells by targeting multiple survival genes through an off-target mechanism

    William Putzbach et al.
    Loading of CD95 and CD95L-derived sequences into the RNA-induced silencing complex elicits a distinct form of RNAi-mediated cell death of cancer cells that results from the targeting of multiple survival genes.
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    Distinct mechanisms of microRNA sorting into cancer cell-derived extracellular vesicle subtypes

    Morayma M Temoche-Diaz et al.
    Biochemical fractionation of vesicle sub-populations and in vitro reconstitution studies reveal that Lupus La protein mediates the selective sorting of miR-122 into extracellular vesicles in vitro and in vivo.
    1. Cell Biology
    2. Cancer Biology

    Tumor suppressive role of sestrin2 during colitis and colon carcinogenesis

    Seung-Hyun Ro et al.
    Sestrin2 loss could be a universal mechanism of human colon carcinogenesis that allows for barrier dysfunction, mTORC1 hyperactivation, unrestricted tumor growth and chemoresistance.
    1. Chromosomes and Gene Expression
    2. Cancer Biology

    Global analysis of p53-regulated transcription identifies its direct targets and unexpected regulatory mechanisms

    Mary Ann Allen et al.
    The first global analysis of the effects of the transcription factor p53 on RNA synthesis illuminates several novels aspects of the molecular mechanism of action of this potent tumor suppressor.
    1. Developmental Biology
    2. Evolutionary Biology

    Secondary ossification center induces and protects growth plate structure

    Meng Xie et al.
    The principle underlying the appearance of the growth plate, an organ responsible for longitudinal growth, has implications for various cartilage pathologies including growth abnormalities in children, trauma and osteoarthritis.
    1. Cell Biology

    Super-resolution microscopy reveals majorly mono- and dimeric presenilin1/γ-secretase at the cell surface

    Abril Angélica Escamilla-Ayala et al.
    Super-resolution microscopy sets a new strategy to comprehend the membrane organization of γ-secretase at single complex resolution identifying nanodomain associations and its diffusion in situ in the living membrane.
    1. Neuroscience

    Right inferior frontal gyrus implements motor inhibitory control via beta-band oscillations in humans

    Michael Schaum et al.
    Response inhibition is initiated by the right inferior frontal gyrus (rIFG), and stopping performance is predicted by beta-band power as well as beta-band connectivity between rIFG and pre-supplementary motor area.
    1. Structural Biology and Molecular Biophysics

    Hexameric and pentameric complexes of the ExbBD energizer in the Ton system

    Saori Maki-Yonekura et al.
    Crystallography and single particle cryo-EM reveal hexameric and pentameric structures of the ExbBD energizer in the Ton system and oligomeric transition, which provides a unique working mechanism and a new vision of dynamic membrane biology.
    1. Cancer Biology
    2. Immunology and Inflammation

    The newly-arisen Devil facial tumour disease 2 (DFT2) reveals a mechanism for the emergence of a contagious cancer

    Alison Caldwell et al.
    A recently discovered contagious cancer in the Tasmanian devil has the potential to become widespread in the population due to the loss of histocompatibility antigens that are allogeneic to its hosts.

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