98 results found
    1. Biochemistry and Chemical Biology

    Gq activity- and β-arrestin-1 scaffolding-mediated ADGRG2/CFTR coupling are required for male fertility

    Dao-Lai Zhang et al.
    ADGRG2, an orphan GPCR, when coupled to CFTR via a regional Gq signaling on the apical membrane, acts to regulate efferent duct fluid reabsorption making it essential for male fertility.
    1. Computational and Systems Biology
    2. Human Biology and Medicine

    Unravelling druggable signalling networks that control F508del-CFTR proteostasis

    Ramanath Narayana Hegde et al.
    Analysis of the mechanism of action of cystic fibrosis corrector drugs reveals signalling pathways potently controlling the proteostasis of the main disease-relevant CFTR mutant.
    1. Cell Biology

    Counteracting suppression of CFTR and voltage-gated K+ channels by a bacterial pathogenic factor with the natural product tannic acid

    Yajamana Ramu et al.
    Tannic acid acts as an ‘antidote’ against the negative effects of a bacterial enzyme, which can both aggravate cystic fibrosis and enable the anthrax bacteria to evade the immune responses elicited by a typical live vaccine.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Obligate coupling of CFTR pore opening to tight nucleotide-binding domain dimerization

    Csaba Mihályi et al.
    Coupling of CFTR pore opening to nucleotide binding domain dimerization does not depend on ATP binding, but is an inherent property of the channel protein and likely other ABC transporters.
    1. Human Biology and Medicine

    SLC6A14, an amino acid transporter, modifies the primary CF defect in fluid secretion

    Saumel Ahmadi et al.
    Loss of an amino acid transporter and tissue depletion of nitric oxide worsens the intestinal function of CF mice, a finding that potentially explains variation in disease severity amongst CF individuals.
    1. Structural Biology and Molecular Biophysics

    Asymmetry of movements in CFTR's two ATP sites during pore opening serves their distinct functions

    Ben Sorum et al.
    In the CFTR chloride channel, ATP bound in the catalytic site promotes pore opening, whereas ATP bound in the non-catalytic site supports unidirectional conformational cycling by preventing pore closure without ATP hydrolysis in the catalytic site.
    1. Computational and Systems Biology
    2. Microbiology and Infectious Disease

    Incomplete inhibition of HIV infection results in more HIV infected lymph node cells by reducing cell death

    Laurelle Jackson et al.
    Under conditions where the force of HIV infection per cell is high, partial attenuation of infection with inhibitors can increase the number of live infected cells and may paradoxically be beneficial for viral spread.
    1. Cell Biology

    CHIP as a membrane-shuttling proteostasis sensor

    Yannick Kopp et al.
    The mechanism is revealed that connects the protein degradation machinery to cellular membrane-bound compartments during proteostasis stress in mammalian cells.
    1. Cell Biology

    The ER membrane protein complex interacts cotranslationally to enable biogenesis of multipass membrane proteins

    Matthew J Shurtleff et al.
    The ER membrane protein complex promotes the biogenesis of a subset multipass membrane proteins enriched for transporters and other proteins with destabilizing features in transmembrane domains.
    1. Cell Biology
    2. Neuroscience

    Small molecule induced oligomerization, clustering and clathrin-independent endocytosis of the dopamine transporter

    Tatiana Sorkina et al.
    Dopamine transporter (DAT) interaction with furopyrimidine called AIM-100 in intact cells leads to dramatic oligomerization, nanoclustering and endocytosis of DAT by a novel mechanism coupled to the transporter molecule conformation.

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