3,814 results found
    1. Developmental Biology
    2. Neuroscience

    Delivery of circulating lipoproteins to specific neurons in the Drosophila brain regulates systemic insulin signaling

    Marko Brankatschk et al.
    Yeast specific lipids promote the transport of lipid transfer protein (LTP) across the blood brain barrier to the neurons that regulate systemic insulin signaling.
    1. Cell Biology
    2. Computational and Systems Biology

    Signaling Systems: Transferring information without distortion

    Steven S Andrews et al.
    Despite employing diverse molecular mechanisms, many different cell signaling systems avoid losing information by transmitting it in a linear manner.
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    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    Mapping the functional versatility and fragility of Ras GTPase signaling circuits through in vitro network reconstitution

    Scott M Coyle, Wendell A Lim
    A systems level reconstitution of H-Ras GTPase signaling reveals a rich space of tunable dynamic outputs and clarifies the consequences of oncogenic perturbations to signaling.
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    Stimulus-selective crosstalk via the NF-κB signaling system reinforces innate immune response to alleviate gut infection

    Balaji Banoth et al.
    The integration of signals via the pleiotropic NF-kappaB (NF-κB) system enables microenvironmental cues to tune cellular responses to pathogenic substances.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Quantitative analysis of mammalian GIRK2 channel regulation by G proteins, the signaling lipid PIP2 and Na+ in a reconstituted system

    Weiwei Wang et al.
    The G protein subunits Gβγ and the signaling lipid PIP2 are simultaneously needed to activate the potassium ion channel GIRK2 to control the voltage across a lipid bilayer, while sodium ions modulate these molecules' effects.
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    Adequate immune response ensured by binary IL-2 and graded CD25 expression in a murine transfer model

    Franziska Fuhrmann et al.
    A murine adoptive transfer model shows that binary IL-2 and graded CD25 expression tailor the T helper cell response to the antigen amount in vivo.
    1. Cell Biology
    2. Neuroscience

    Involvement of the Acyl-CoA binding domain containing 7 in the control of food intake and energy expenditure in mice

    Damien Lanfray et al.
    The Acyl-CoA binding domain-containing 7 (Acbd7) gene is expressed in the hypothalamus, encodes a peptide that suppresses appetite, increases metabolic rate and interacts with the leptin-melanocortin system.
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    Digital signaling decouples activation probability and population heterogeneity

    Ryan A Kellogg et al.
    Digital NF-κB signaling achieves orthogonal control over the probability of activation (percentage of activated cells) and dynamic response heterogeneity in the population via the area and shape of the input profile.
    1. Developmental Biology

    Fringe proteins modulate Notch-ligand cis and trans interactions to specify signaling states

    Lauren LeBon et al.
    Fringe proteins modulate cis inhibitory, same-cell interactions between the Notch receptor and its ligands to control whether, and in which direction, cells can signal to one another.
    1. Structural Biology and Molecular Biophysics
    2. Microbiology and Infectious Disease

    Bile salt receptor complex activates a pathogenic type III secretion system

    Peng Li et al.
    Microbial genetics and biophysical analyses provide insight into an evolutionarily conserved bile salt receptor complex used by pathogenic bacteria to sense their environment.

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