918 results found
    1. Cell Biology

    High lumenal chloride in the lysosome is critical for lysosome function

    Kasturi Chakraborty et al.
    Lysosomes are highly enriched in chloride, which is essential for their degradative function.
    1. Neuroscience

    Targeting light-gated chloride channels to neuronal somatodendritic domain reduces their excitatory effect in the axon

    Jessica E Messier et al.
    A high axonal chloride concentration explains why activation of light-gated chloride channels causes neurotransmitter release, and a novel hybrid somatodendritic targeting motif ameliorates this phenomenon and improves their inhibitory function.
    1. Structural Biology and Molecular Biophysics

    Structure of the CLC-1 chloride channel from Homo sapiens

    Eunyong Park, Roderick MacKinnon
    A cryo-electron microscopy study of the human CLC-1 chloride ion channel reveals the structural basis of why some CLC proteins function as passive chloride channels whereas others function as an active proton-chloride antiporters.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A comprehensive search for calcium binding sites critical for TMEM16A calcium-activated chloride channel activity

    Jason Tien et al.
    The identification of four acidic amino acids as potential calcium-binding residues in the TMEM16A calcium-activated chloride channel furthers the molecular understanding of this ion channel family.
    1. Developmental Biology

    Chloride channels regulate differentiation and barrier functions of the mammalian airway

    Mu He et al.
    The chloride channel Ano1/Tmem16a plays an essential and non-redundant role in the developing airway by inhibiting mucus cell hyperplasia and promoting proper immune function of the airway mucosal barrier.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structures and functional characterization of murine Slc26a9 reveal mechanism of uncoupled chloride transport

    Justin D Walter et al.
    The cryo-EM structure and functional characterization of the chloride-selective ion transporter Slc26a9 defines its oligomeric architecture and transport mechanism.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Molecular mechanisms of gating in the calcium-activated chloride channel bestrophin

    Alexandria N Miller et al.
    Cryo-EM structures of the gating cycle of bestrophin reveal the molecular underpinnings of activation and inactivation gating in this calcium-activated chloride channel and reveal a surprisingly wide pore.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    The dual role of chloride in synaptic vesicle glutamate transport

    Roger Chang et al.
    Whole endosome recording shows that chloride interacts with vesicular glutamate transporters as both allosteric activator and permeant ion, and although the mode of permeation differs, chloride and glutamate use a related conduction pathway.
    1. Structural Biology and Molecular Biophysics

    Cryo-EM structure of the potassium-chloride cotransporter KCC4 in lipid nanodiscs

    Michelle S Reid et al.
    The structure of the potassium-chloride cotransporter KCC4 provides insight into the basis of ion specificity, transport stoichiometry, and activity regulation for a broadly physiologically and clinically important transporter family.
    1. Neuroscience

    Endocannabinoid signaling enhances visual responses through modulation of intracellular chloride levels in retinal ganglion cells

    Loïs S Miraucourt et al.
    Endocannabinoid activation of the CB1 receptor on retinal ganglion cells in the eye results in enhanced excitability and responsiveness to visual stimulation through a novel mechanism involving intracellular chloride regulation.

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