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

    Conserved allosteric pathways for activation of TRPV3 revealed through engineering vanilloid-sensitivity

    Feng Zhang, Kenton Jon Swartz, Andres Jara-Oseguera
    TRPV channels share general mechanisms of activation while exhibiting subtype-specific features along the activation pathway that can determine their apparent sensitivity to stimuli.
    1. Structural Biology and Molecular Biophysics
    2. Neuroscience

    Engineering vanilloid-sensitivity into the rat TRPV2 channel

    Feng Zhang, Sonya M Hanson ... Kenton J Swartz
    Vanilloid sensitivity has been introduced into the TRPV2 channel, revealing that the gating and permeation properties of this enigmatic TRP channel are remarkably similar to the capsaicin receptor.
    1. Structural Biology and Molecular Biophysics

    Conservation of the cooling agent binding pocket within the TRPM subfamily

    Kate Huffer, Matthew CS Denley ... Kenton J Swartz
    The cooling agent pocket in TRPM8 is conserved in a subset of other TRPM channels and the cooling agent icilin can regulate opening of TRPM4 channels in response to calcium and voltage.
    1. Computational and Systems Biology
    2. Physics of Living Systems

    Metrics of high cofluctuation and entropy to describe control of cardiac function in the stellate ganglion

    Nil Z Gurel, Koustubh B Sudarshan ... Olujimi A Ajijola
    Networked cardiac control, revealed through analysis of extended baseline-state multi-channel recordings, differentiates heart failure and normal regimes highlighting the promise of peripheral neurally based clinical interventions.
    1. Structural Biology and Molecular Biophysics

    Symmetry transitions during gating of the TRPV2 ion channel in lipid membranes

    Lejla Zubcevic, Allen L Hsu ... Seok-Yong Lee
    Ligand-induced two-fold symmetric arrangement in TRPV2 is observed in the native-like nanodisc-reconstituted condition using cryo-electron microscopy.
    1. Structural Biology and Molecular Biophysics

    New capsaicin analogs as molecular rulers to define the permissive conformation of the mouse TRPV1 ligand-binding pocket

    Simon Vu, Vikrant Singh ... Jie Zheng
    Novel capsaicin analogs with conserved chemistry but varying sizes were used as molecular rulers to investigate energetics of conformational changes in the ligand-binding pocket and mechanisms of TRPV1 ligand-gating.
    1. Biochemistry and Chemical Biology

    Dysfunctional TRPM8 signalling in the vascular response to environmental cold in ageing

    Dibesh Thapa, Joäo de Sousa Valente ... Susan D Brain
    Cold detecting thermoreceptor TRPM8's signalling is diminished with ageing which leads to an impaired response to cold observed in ageing.
    1. Structural Biology and Molecular Biophysics

    High temperature sensitivity is intrinsic to voltage-gated potassium channels

    Fan Yang, Jie Zheng
    Highly temperature-sensitive behavior of voltage-gated potassium channels provides a mechanistic model for how heat-activated TRP channels serve as temperature and pain sensors.
    1. Structural Biology and Molecular Biophysics

    The ion selectivity filter is not an activation gate in TRPV1-3 channels

    Andrés Jara-Oseguera, Katherine E Huffer, Kenton J Swartz
    The TRPV1, TRPV2 and TRPV3 channels are gated on the cytosolic side of the pore, whereas structural changes in the ion selectivity filter associated with activation don't control cation access.
    1. Structural Biology and Molecular Biophysics

    Molecular mechanism of TRPV2 channel modulation by cannabidiol

    Ruth A Pumroy, Amrita Samanta ... Vera Y Moiseenkova-Bell
    Cannabidiol binds to TRPV2 via a previously unidentified, but highly conserved, pocket.

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