271 results found
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Contributions of mast cells and vasoactive products, leukotrienes and chymase, to dengue virus-induced vascular leakage

    Ashley L St John, Abhay PS Rathore ... Soman N Abraham
    Proteins produced by mast cells modulate the permeability of blood vessels, and may determine whether patients infected with dengue virus develop life-threatening complications.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Sterol homeostasis requires regulated degradation of squalene monooxygenase by the ubiquitin ligase Doa10/Teb4

    Ombretta Foresti, Annamaria Ruggiano ... Pedro Carvalho
    Parallel branches of the ERAD pathway regulate sterol synthesis at multiple steps via feedback inhibition.
    1. Stem Cells and Regenerative Medicine
    2. Neuroscience

    Imaging-based chemical screening reveals activity-dependent neural differentiation of pluripotent stem cells

    Yaping Sun, Zhiqiang Dong ... Su Guo
    A chemical screen reveals that a compound used to treat a parasitic disease can trigger pluripotent stem cells to become neurons, uncovering a novel mechanism behind neuronal development.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A Meier-Gorlin syndrome mutation in a conserved C-terminal helix of Orc6 impedes origin recognition complex formation

    Franziska Bleichert, Maxim Balasov ... James M Berger
    Electron microscopy uncovers the structure of the origin recognition complex (ORC) in metazoans, and reveals how mutations in the ORC6 subunit lead to Meier-Gorlin syndrome in humans.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Multiple interfaces between a serine recombinase and an enhancer control site-specific DNA inversion

    Meghan M McLean, Yong Chang ... Reid C Johnson
    The structure of the recombination complex responsible for flagellar antigen switching in Salmonella enterica, and the mechanism that regulates the site-specific DNA inversion reaction, have been determined.
    1. Immunology and Inflammation

    Expansion of intestinal Prevotella copri correlates with enhanced susceptibility to arthritis

    Jose U Scher, Andrew Sczesnak ... Dan R Littman
    The sequencing of microbial genomes reveals that the presence of a particular microbial species in the gut may increase the risk of the autoimmune disease rheumatoid arthritis.
    1. Cell Biology

    Cytoplasmic translocation of the retinoblastoma protein disrupts sarcomeric organization

    Keigo Araki, Keiko Kawauchi ... Yoichi Taya
    TNF-α treatment induces phosphorylation and cytoplasmic translocation of the retinoblastoma protein, which regulates cytoskeletal organization in skeletal muscle cells.
    1. Microbiology and Infectious Disease

    c-di-GMP heterogeneity is generated by the chemotaxis machinery to regulate flagellar motility

    Bridget R Kulasekara, Cassandra Kamischke ... Samuel I Miller
    Real time measurements of c-di-GMP in individual cells reveal an unexpected mechanism by which the chemotaxis machinery controls c-di-GMP heterogeneity, thereby regulating flagellar-based motility.
    1. Neuroscience

    Computation identifies structural features that govern neuronal firing properties in slowly adapting touch receptors

    Daine R Lesniak, Kara L Marshall ... Ellen A Lumpkin
    Computer simulations show that the firing patterns of branched touch receptors can be set in part by the organization of their sensory endings in the skin.

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