4,398 results found
    1. Immunology and Inflammation

    Variations in HLA-B cell surface expression, half-life and extracellular antigen receptivity

    Brogan Yarzabek, Anita J Zaitouna ... Malini Raghavan
    Lymphocytes and monocytes maintain their cell surface HLA-B via different mechanisms, which in turn differently influence cell-surface expression, half-life and peptide receptivity of HLA-B allotypes.
    1. Plant Biology
    2. Structural Biology and Molecular Biophysics

    Protein engineering expands the effector recognition profile of a rice NLR immune receptor

    Juan Carlos De la Concepcion, Marina Franceschetti ... Mark J Banfield
    Structure-led protein engineering can expand the effector recognition profile of plant intracellular NLR immune receptors, providing a proof-of-principle for the development of novel disease resistance mechanisms in plants.
    1. Cell Biology
    2. Neuroscience

    Sympathetic motor neuron dysfunction is a missing link in age-associated sympathetic overactivity

    Lizbeth de La Cruz, Derek Bui ... Oscar Vivas
    Aging reduces the potassium M current in sympathetic motor neurons, resulting in a hyperactive phenotype that can be reversed by pharmacological activation of these channels.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Barcoded bulk QTL mapping reveals highly polygenic and epistatic architecture of complex traits in yeast

    Alex N Nguyen Ba, Katherine R Lawrence ... Michael M Desai
    A bulk barcoded quantitative trait locus approach increases the power and resolution of genotype-phenotype mapping in yeast, revealing that the genetic architecture of 18 complex traits is highly polygenic, and is characterized by widespread epistatic interactions and pleiotropic effects.
    1. Chromosomes and Gene Expression

    Sphingosine 1-phosphate-regulated transcriptomes in heterogenous arterial and lymphatic endothelium of the aorta

    Eric Engelbrecht, Michel V Levesque ... Timothy Hla
    The sphingosine 1-phosphate receptor-1 (S1PR1) signals in heterogenous populations of mouse adventitial lymphatic (LEC) and arterial endothelial cells (aEC1, aEC2) to regulate chromatin and the transcriptome, thus affecting their phenotypes.
    1. Immunology and Inflammation

    Empty conformers of HLA-B preferentially bind CD8 and regulate CD8+ T cell function

    Jie Geng, John D Altman ... Malini Raghavan
    HLA-B*35:01 molecules that are peptide-deficient are thermostable, bind CD8 with higher affinity than their peptide-filled versions, accumulate at immunological synapses and enhance antigen-specific CD8+ T cell immune responses.
    1. Immunology and Inflammation
    2. Structural Biology and Molecular Biophysics

    T cells discriminate between groups C1 and C2 HLA-C

    Malcolm J W Sim, Zachary Stotz ... Peter D Sun
    An amino acid dimorphism in HLA-C with an established impact on natural killer cell receptors plays an unexpected and significant role in T cell receptor recognition of HLA-C with relevance for tumor immunity.
    1. Structural Biology and Molecular Biophysics

    Cannabidiol interactions with voltage-gated sodium channels

    Lily Goodyer Sait, Altin Sula ... BA Wallace
    The high resolution crystal structure and electrophysiology of a sodium channel complex with cannabidiol, a drug approved for treatment of severe epilepsies, demonstrate the basis for its structural- functional effects.
    1. Neuroscience

    Sparse genetically defined neurons refine the canonical role of periaqueductal gray columnar organization

    Mimi Q La-Vu, Ekayana Sethi ... Avishek Adhikari
    Molecular genetic identity is a vital but unexplored axis of functional organization in the brainstem periaqueductal gray.
    1. Developmental Biology

    Coronary arterial development is regulated by a Dll4-Jag1-EphrinB2 signaling cascade

    Stanislao Igor Travisano, Vera Lucia Oliveira ... José Luis de la Pompa
    Notch ligands Jag1 and Dll4 and their effector Ephb2 are required in sinus venosus endocardium for primitive coronary vasculature formation and later for arterial differentiation and maturation of coronary endothelium.

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