11 results found
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Cyclin D activates the Rb tumor suppressor by mono-phosphorylation

    Anil M Narasimha, Manuel Kaulich ... Steven F Dowdy
    The retinoblastoma tumor suppressor regulates cell cycle progression when it's in 14 mono-phosphorylated isoforms.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Cell Division: Turning cell cycle entry on its head

    Cosetta Bertoli, Robertus Antonius Maria de Bruin
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    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Opposing roles for DNA replication initiator proteins ORC1 and CDC6 in control of Cyclin E gene transcription

    Manzar Hossain, Bruce Stillman
    Two related DNA replication initiation proteins contribute to the decision of whether to enter a new round of the cell division cycle or enter into a period of proliferative quiescence.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    PHF13 is a molecular reader and transcriptional co-regulator of H3K4me2/3

    Ho-Ryun Chung, Chao Xu ... Sarah Kinkley
    PHF13 interacts with transcriptional complexes containing RNA polymerase II to recruit/stabilize them at H3K4me2/3 containing active or bivalent promoters.
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    The DREAM complex through its subunit Lin37 cooperates with Rb to initiate quiescence

    Christina FS Mages, Axel Wintsche ... Gerd A Müller
    Lin37 is essential for cell-cycle gene repression by the DREAM complex in cellular quiescence and a combined loss of Lin37 and Rb prevents cell-cycle exit in response to growth-limiting signals.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Synergistic phase separation of two pathways promotes integrin clustering and nascent adhesion formation

    Lindsay B Case, Milagros De Pasquale ... Michael K Rosen
    Biochemical and cell biological data suggest a model of nascent integrin adhesion complex formation based on synergistic phase separation of pathways surrounding the focal adhesion kinase (FAK) and the adaptor protein p130Cas.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    PP2A/B55α substrate recruitment as defined by the retinoblastoma-related protein p107

    Holly Fowle, Ziran Zhao ... Xavier Graña
    Molecular, cellular, and computational analyses reveal key insights into PP2A/B55α's mechanisms of substrate recruitment and active site engagement, and facilitate identification/validation of new substrates, a step towards understanding PP2A/B55α's role in multiple cellular processes.
    1. Stem Cells and Regenerative Medicine

    Context-dependent modification of PFKFB3 in hematopoietic stem cells promotes anaerobic glycolysis and ensures stress hematopoiesis

    Shintaro Watanuki, Hiroshi Kobayashi ... Keiyo Takubo
    Isotope tracing, mathematical modeling, and single-cell ATP analysis reveal changes in blood cell metabolism under various conditions, showing stressed hematopoietic stem cells support hematopoiesis through glycolytic ATP production via PFKFB3.
    1. Cancer Biology
    2. Cell Biology

    Laminin signals initiate the reciprocal loop that informs breast-specific gene expression and homeostasis by activating NO, p53 and microRNAs

    Saori Furuta, Gang Ren ... Mina J Bissell
    Endogenous laminins are necessary to build a functional acinus via generating NO, activating p53, HOXD10 and other positive players, but tumor cells neither make laminin nor generate NO, unless they are reverted to an organized structure.
    1. Cell Biology
    2. Structural Biology and Molecular Biophysics

    Dynamic Na+/H+ exchanger 1 (NHE1) – calmodulin complexes of varying stoichiometry and structure regulate Ca2+-dependent NHE1 activation

    Lise M Sjøgaard-Frich, Andreas Prestel ... Stine Falsig Pedersen
    NHE1-CaM complexes of multiple stoichiometries regulate cellular Ca2+-dependent NHE1 activity and can contribute to NHE1 dimerization, the latter shown by the NMR structure of CaM linking two NHE1 cytosolic tails.

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