33 results found
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    The Cryo-EM structure of pannexin 1 reveals unique motifs for ion selection and inhibition

    Kevin Michalski, Johanna L Syrjanen ... Toshimitsu Kawate
    The structure of a pannexin 1 uncovers the extracellular loops of pannexin 1 as important structural motifs for ion selectivity and channel inhibition.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Endothelial pannexin 1–TRPV4 channel signaling lowers pulmonary arterial pressure in mice

    Zdravka Daneva, Matteo Ottolini ... Swapnil K Sonkusare
    Endothelial pannexin 1-P2Y2 purinergic receptor-TRPV4 channel signaling, facilitated by caveolin-1, is a novel pathway for lowering pulmonary arterial pressure.
    1. Cell Biology

    Single-cell dynamics of pannexin-1-facilitated programmed ATP loss during apoptosis

    Hiromi Imamura, Shuichiro Sakamoto ... Akira Kakizuka
    Cleavage of pannexin-1 channel by caspases facilitates the loss of intracellular ATP level and attenuates glycolytic metabolism of apoptotic cells.
    1. Structural Biology and Molecular Biophysics

    ATP and large signaling metabolites flux through caspase-activated Pannexin 1 channels

    Adishesh K Narahari, Alex JB Kreutzberger ... Douglas A Bayliss
    Purified Pannexin 1 channels activated by caspase cleavage in proteoliposomes reconstitute a permeation pathway for intercellular signaling molecules important in inflammation and cell clearance.
    1. Biochemistry and Chemical Biology

    Human pannexin 1 channel is not phosphorylated by Src tyrosine kinase at Tyr199 and Tyr309

    Zheng Ruan, Junuk Lee ... Wei Lü
    A comprehensive analysis questioned the prevailing views of Src-mediated hPANX1 phosphorylation at Tyr199 and Tyr309.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Ion Channels: Taking a close look at a large-pore channel

    Pablo S Gaete, Jorge E Contreras
    The structure of pannexin 1, a channel protein with a large pore, has been determined for the first time.
    Version of Record
    Insight
    1. Immunology and Inflammation

    Cryo-sensitive aggregation triggers NLRP3 inflammasome assembly in cryopyrin-associated periodic syndrome

    Tadayoshi Karasawa, Takanori Komada ... Masafumi Takahashi
    Mutated NLRP3 forms cryo-sensitive aggregates that induce inflammasome assembly distinct from the canonical NLRP3 inflammasome.
    1. Cell Biology
    2. Immunology and Inflammation

    Immunosuppression via adenosine receptor activation by adenosine monophosphate released from apoptotic cells

    Hiroshi Yamaguchi, Toshihiko Maruyama ... Shigekazu Nagata
    Apoptotic cells release molecules to recruit macrophages, but do not cause inflammation because they also secrete AMP that functions as a ‘calm down’ signal.
    1. Evolutionary Biology
    2. Neuroscience

    Connexins evolved after early chordates lost innexin diversity

    Georg Welzel, Stefan Schuster
    An in silico analysis of gap junction proteins supports the hypothesis that connexins replaced the primordial innexins in chordate gap junctions due to an evolutionary bottleneck.
    1. Neuroscience

    Distinct roles for innexin gap junctions and hemichannels in mechanosensation

    Denise S Walker, William R Schafer
    The innexin protein UNC-7, a homologue of vertebrate pannexins, plays a specific, gap junction-independent role in C. elegans mechanosensation.

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