18 results found
    1. Structural Biology and Molecular Biophysics

    Patient-specific mutations impair BESTROPHIN1’s essential role in mediating Ca2+-dependent Cl- currents in human RPE

    Yao Li, Yu Zhang ... Tingting Yang
    A multidisciplinary platform featured by patient-derived RPEs is established to study the disease-causing mechanisms of BEST1 mutations, and demonstrates gene-supplemented rescue of the mutation-caused deficiency in Ca2+-dependent Cl- current in human RPE.
    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, George Vaisey, Stephen B Long
    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. Cancer Biology
    2. Cell Biology

    Bestrophin-4 relays HES4 and interacts with TWIST1 to suppress epithelial-to-mesenchymal transition in colorectal cancer cells

    Zijing Wang, Bihan Xia ... Jilin Yang
    The inhibition of colorectal cancer (CRC) proliferation, migration, and invasion is attributed to BEST4, which exhibits epistasis over Hes4 in the downregulation of Twist1 and consequent suppression of epithelial-to-mesenchymal transition in CRC.
    1. Structural Biology and Molecular Biophysics

    Distinct expression requirements and rescue strategies for BEST1 loss- and gain-of-function mutations

    Qingqing Zhao, Yang Kong ... Tingting Yang
    BEST1 autosomal dominant loss-of-function mutations surprisingly behave in a dominant-negative manner, whereas gain-of-function mutations exhibit a strong dominant effect that necessitates CRISPR/Cas9-mediated suppression of the endogenous mutant allele in gene therapy.
    1. Structural Biology and Molecular Biophysics

    Structural basis for ion selectivity in TMEM175 K+ channels

    Janine D Brunner, Roman P Jakob ... Stephan Schenck
    Structural and functional analysis of a recently discovered non-canonical potassium channel family reveals a unique selectivity filter that is exposed to permeating ions only in the conductive state.
    1. Cell Biology
    2. Medicine

    Inhibition of the sodium-dependent HCO3- transporter SLC4A4, produces a cystic fibrosis-like airway disease phenotype

    Vinciane Saint-Criq, Anita Guequén ... Carlos A Flores
    The reduction of bicarbonate secretion into the airways reproduces cystic fibrosis-like features, independently of chloride secretion.
    1. Developmental Biology
    2. Neuroscience

    A cellular and regulatory map of the GABAergic nervous system of C. elegans

    Marie Gendrel, Emily G Atlas, Oliver Hobert
    GABAergic neurons in the nervous system of C. elegans have been comprehensively mapped allowing analysis of regulatory factors that program GABAergic neuron identity.
    1. Cell Biology

    Pigmentation level of human iPSC-derived RPE does not indicate a specific gene expression profile

    Yoko Nakai-Futatsugi, Jianshi Jin ... Masayo Takahashi
    Pigmentation that confers protective function of RPE is not underlaid by a specific gene expression profile, reviled by microscopic imaging together with single-cell RNA sequencing.
    1. Microbiology and Infectious Disease

    Effective use of a horizontally-transferred pathway for dichloromethane catabolism requires post–transfer refinement

    Joshua K Michener, Aline A Camargo Neves ... Christopher J Marx
    Adapting bacteria to use an introduced metabolic pathway recapitulates natural mutations and offers a novel bioremediation strategy.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Patient-specific iPSC-derived photoreceptor precursor cells as a means to investigate retinitis pigmentosa

    Budd A Tucker, Robert F Mullins ... Edwin M Stone
    Skin cells from a patient with retinitis pigmentosa have been used to generate induced pluripotent stem cells, which could potentially form the basis of new treatments for this disease.

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