4,591 results found
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    Spatially compartmentalized phase regulation of a Ca2+-cAMP-PKA oscillatory circuit

    Brian Tenner, Michael Getz ... Jin Zhang
    Nanodomain clustering of cAMP effectors represents a novel mechanism of cAMP compartmentation within an oscillatory signaling circuit.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Heterochromatin assembly and transcriptome repression by Set1 in coordination with a class II histone deacetylase

    David R Lorenz, Lauren F Meyer ... Hugh P Cam
    Set1 has roles in chromatin organization and transcriptome control that are largely independent of histone H3 lysine 4 methylation.
    1. Cell Biology
    2. Developmental Biology

    Activation of PTHrP-cAMP-CREB1 signaling following p53 loss is essential for osteosarcoma initiation and maintenance

    Mannu K Walia, Patricia MW Ho ... Carl R Walkley
    The loss of p53 in bone cells activates critical signaling pathways; these are also essential in bone cancer.
    1. Evolutionary Biology

    Preservation of three-dimensional anatomy in phosphatized fossil arthropods enriches evolutionary inference

    Achim H Schwermann, Tomy dos Santos Rolo ... Thomas van de Kamp
    X-ray imaging reveals well-preserved internal characters in mineralized arthropods from the Paleogene, urging the reexamination of previously neglected fossil collections.
    1. Cell Biology

    Controlling fertilization and cAMP signaling in sperm by optogenetics

    Vera Jansen, Luis Alvarez ... Dagmar Wachten
    Optogenetics is a non-invasive way to study cAMP signaling in sperm cells, which is able to control sperm motility and fertilization.
    1. Cell Biology

    Fusion pore regulation by cAMP/Epac2 controls cargo release during insulin exocytosis

    Alenka Guček, Nikhil R Gandasi ... Sebastian Barg
    Live cell imaging shows that the cAMP-sensor Epac2, a target of major antidiabetic drugs, is central to fusion pore control during insulin granule exocytosis.
    1. Cancer Biology

    Inactivation of oncogenic cAMP-specific phosphodiesterase 4D by miR-139-5p in response to p53 activation

    Bo Cao, Kebing Wang ... Hua Lu
    The tumor suppressor p53 prevents tumor cell growth by employing a small RNA called miR-139-5p to inhibit the activity of an tumorigenic protein, cAMP-specific phosphodiesterase 4D.
    1. Cell Biology

    A novel biosensor to study cAMP dynamics in cilia and flagella

    Shatanik Mukherjee, Vera Jansen ... Dagmar Wachten
    A new FRET-based cAMP biosensor with nanomolar sensitivity makes it possible to measure cAMP dynamics in miniscule subcellular compartments like cilia and flagella.
    1. Neuroscience

    A dynamic clamp protocol to artificially modify cell capacitance

    Paul Pfeiffer, Federico José Barreda Tomás ... Susanne Schreiber
    Via the capacitance clamp, electrophysiologists can for the first time flexibly set an artificial membrane capacitance for neurons and other excitable cells and thereby adjust their membrane time constant independent of any conductance changes.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    The inner mechanics of rhodopsin guanylyl cyclase during cGMP-formation revealed by real-time FTIR spectroscopy

    Paul Fischer, Shatanik Mukherjee ... Peter Hegemann
    UV-Vis- and IR-spectroscopy provides insights into the light-induced enzyme activity of a rhodopsin guanylyl cyclase by tracking the substrate turnover with atomic resolution in real-time and correlating it with the structural changes of the protein.

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