268 results found
  1. November 2013

    Episode 6: November 2013

    In this episode we hear about using electrons for protein crystallography, a receptor for carbon dioxide, arthritis, how the brain responds to a missing hand, and the best shape for whiskers.
    1. Cell Biology
    2. Computational and Systems Biology

    Kinesin-4 KIF21B limits microtubule growth to allow rapid centrosome polarization in T cells

    Peter Jan Hooikaas et al.
    Kinesin-4 KIF21B promotes rapid reorientation of the microtubule network during formation of immunological synapse in T cells by acting as a pausing and catastrophe-inducing factor that keeps microtubules short.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Hemozoin produced by mammals confers heme tolerance

    Rini H Pek et al.
    Heme accumulation is toxic, but deficiency of the heme transporter HRG1/SLC48A1 causes heme sequestration and crystallization into hemozoin within enlarged lysosomes of macrophages, thereby conferring heme tolerance to mammals.
    1. Cell Biology
    2. Immunology and Inflammation

    Autophagy regulates inflammatory programmed cell death via turnover of RHIM-domain proteins

    Junghyun Lim et al.
    Autophagy is critical for the turnover of inflammatory signaling complexes containing RHIM-domain proteins.
    1. Immunology and Inflammation

    TGFβ-dependent expression of PD-1 and PD-L1 controls CD8+ T cell anergy in transplant tolerance

    Marije Baas et al.
    The interplay between the cytokine TGFβ and the PD-1/PD-L1 pathway promotes CD8+ T cell anergy and tolerance towards transplanted tissues.
    1. Biochemistry and Chemical Biology

    Translation repression via modulation of the cytoplasmic poly(A)-binding protein in the inflammatory response

    Xu Zhang et al.
    The RNA-binding protein, Zfp36, which is critical for resolving inflammation, inhibits the production of proinflammatory cytokines via modulation of the cytoplasmic poly(A)-binding protein.
    1. Biochemistry and Chemical Biology
    2. Immunology and Inflammation

    Establishing the role of ATP for the function of the RIG-I innate immune sensor

    David C Rawling et al.
    The immune sensor RIG-I uses ATP-mediated compaction as a signaling trigger and a proofreading mechanism.
    1. Immunology and Inflammation

    Blood flow guides sequential support of neutrophil arrest and diapedesis by PILR-β1 and PILR-α

    Yu-Tung Li et al.
    Blood flow-driven shear forces guide the sequential signaling of two antagonistic paired receptors, a critical bi-facet step that first supports leukocyte docking, then initiates transmigration through endothelium.
    1. Genetics and Genomics

    Multi-species, multi-transcription factor binding highlights conserved control of tissue-specific biological pathways

    Benoit Ballester et al.
    Combinatorial transcription factor binding shared by multiple species enriches for essential biological pathways and coincides with disease-causing regulatory DNA mutations.
    1. Developmental Biology

    Gli3 utilizes Hand2 to synergistically regulate tissue-specific transcriptional networks

    Kelsey H Elliott et al.
    Context-dependent optimization of Gli-binding site occupancy, in the presence of Hand2, is critical for modulating tissue-specific transcriptional output within tissues that lack an obvious Hedgehog morphogen gradient.

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