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Showing 1–4 of 4 results
Advanced filters: Author: Tim Hon Man Chan Clear advanced filters

  • RNA editing provides epigenetic diversity and is thought to be decreased in cancer. However, this report describes a phenomenon of increased RNA editing associated with malignancy in human liver tumors. The increased editing of AZIN1 is facilitated by the correlative increase in the editing enzyme ADAR1 and induces an amino acid change that leads to subcellular relocalization, increased stability and affinity for antizyme. This effect impairs antizyme's function and increases the stability of its target oncoproteins, providing protumorigenic functions. The hyperediting of AZIN1 is a protumorigenic event in liver cancer pathogenesis.

    • Leilei Chen
    • Yan Li
    • Xin-Yuan Guan
    Research
    Nature Medicine
    Volume: 19, P: 209-216

  • In an inter-laboratory study, the authors compare the accuracy and performance of three optical density calibration protocols (colloidal silica, serial dilution of silica microspheres, and colony-forming unit (CFU) assay). They demonstrate that serial dilution of silica microspheres is the best of these tested protocols, allowing precise and robust calibration that is easily assessed for quality control and can also evaluate the effective linear range of an instrument.

    • Jacob Beal
    • Natalie G. Farny
    • Jiajie Zhou
    ResearchOpen Access
    Communications Biology
    Volume: 3, P: 1-29