Mammalia

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    Protocols in Current Issue
    A Highly Sensitive Anion Exchange Chromatography Method for Measuring cGAS Activity in vitro
    Authors:  Andreas Holleufer and Rune Hartmann, date: 10/20/2018, view: 1301, Q&A: 0
    [Abstract] Cyclic GMP-AMP synthase (cGAS) is a pattern recognition receptor (PRR) that senses double stranded DNA (dsDNA) in the cytosol and this leads to the activation of stimulator of interferon genes (STING) via the secondary messenger 2’3’-cyclic GMP-AMP (2’3’-cGAMP). STING then recruits TANK binding kinase 1 (TBK-1) and this complex can phosphorylate ...
    Measuring CD38 Hydrolase and Cyclase Activities: 1,N6-Ethenonicotinamide Adenine Dinucleotide (ε-NAD) and Nicotinamide Guanine Dinucleotide (NGD) Fluorescence-based Methods
    [Abstract] CD38 is a multifunctional enzyme involved in calcium signaling and Nicotinamide Adenine Dinucleotide (NAD+) metabolism. Through its major activity, the hydrolysis of NAD+, CD38 helps maintain the appropriate levels of this molecule for all NAD+-dependent metabolic processes to occur. Due to current advances and ...
    Determining Ribosome Translational Status by Ribo-ELISA
    Authors:  Amandine Bastide, Jonathan W. Yewdell and Alexandre David, date: 01/05/2018, view: 2560, Q&A: 0
    [Abstract] The Ribo-ELISA was originally developed to elucidate the basis for the ribopuromycylation method (RPM)-based detection of ribosome bound nascent chains. The Ribo-ELISA enables characterization of the translational status of ribosomes, and can be applied to the discovery of super-ribosomal complexes with novel ribosome associated macromolecules ...
    Immunogold Electron Microscopy of the Autophagosome Marker LC3
    Authors:  Domenico Mattoscio, Andrea Raimondi, Carlo Tacchetti and Susanna Chiocca, date: 12/20/2017, view: 4889, Q&A: 0
    [Abstract] Even though autophagy was firstly observed by transmission electron microscopy already in the 1950s (reviewed in Eskelinen et al., 2011), nowadays this technique remains one of the most powerful systems to monitor autophagic processes. The autophagosome, an LC3-positive double membrane structures enclosing cellular materials, represents ...
    Protein Expression and Purification of the Hsp90-Cdc37-Cdk4 Kinase Complex from Saccharomyces cerevisiae
    Authors:  Kliment A. Verba and David A. Agard, date: 10/05/2017, view: 3936, Q&A: 0
    [Abstract] Interactions between Hsp90, its co-chaperone Cdc37 and kinases have been biochemically studied for over three decades and have been shown to be functionally important in organisms from yeast to humans. However, formation of a stable complex for structural studies has been elusive. In this protocol we describe expression and purification of ...



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