887 results found
    1. Biochemistry and Chemical Biology

    An unconventional gatekeeper mutation sensitizes inositol hexakisphosphate kinases to an allosteric inhibitor

    Tim Aguirre, Gillian L Dornan ... Dorothea Fiedler
    A subtle mutation in the ATP-binding site of inositol hexakisphosphate kinases increases their conformational flexibility and thereby makes them susceptible to isozyme-selective, allosteric inhibition.
    1. Neuroscience

    A mechanistic insight into sources of error of visual working memory in multiple sclerosis

    Ali Motahharynia, Ahmad Pourmohammadi ... Mehdi Sanayei
    Imprecision in decoding information and swap error, that is, mistakenly reporting a non-target feature, contributes to working memory deficit in the multiple sclerosis population.
    1. Computational and Systems Biology
    2. Structural Biology and Molecular Biophysics

    Bayesian inference of kinetic schemes for ion channels by Kalman filtering

    Jan L Münch, Fabian Paul ... Klaus Benndorf
    For analyzing time-dependent patch-clamp or patch-clamp fluorometry data of ion channels in terms of Markovian models, the superiority of Bayesian filtering with respect to traditional deterministic approaches is demonstrated enabling more reliable quantification of the parameters.
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    Identification of PARP-7 substrates reveals a role for MARylation in microtubule control in ovarian cancer cells

    Lavanya H Palavalli Parsons, Sridevi Challa ... W Lee Kraus
    PARP-7 is a mono(ADP-ribosyl) transferase that directs an extensive ADP-ribosylated proteome to control microtubule stability, and regulate ovarian cancer cell growth and motility.
    1. Physics of Living Systems

    Dynamics of diffusive cell signaling relays

    Paul B Dieterle, Jiseon Min ... Ariel Amir
    The collective dynamics of cell signaling relays are at once dramatically sensitive to the system dimensionality and insensitive to many biological details.
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    An acquired scaffolding function of the DNAJ-PKAc fusion contributes to oncogenic signaling in fibrolamellar carcinoma

    Rigney E Turnham, F Donelson Smith ... John D Scott
    Fibrolamellar carcinoma results from a genetic lesion that produces the DNAJ-PKAc fusion kinase, which is recruited into macromolecular complexes and is sensitive to combinations of signal transduction inhibitor drugs.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Elucidation of a four-site allosteric network in fibroblast growth factor receptor tyrosine kinases

    Huaibin Chen, William M Marsiglia ... Moosa Mohammadi
    A four-switch long-range allosteric network controls FGF receptor kinase conformational dynamics as well as activity and is applicable to other receptor tyrosine kinases.
    1. Neuroscience

    Sensitization of neonatal rat lumbar motoneuron by the inflammatory pain mediator bradykinin

    Mouloud Bouhadfane, Attila Kaszás ... Frédéric Brocard
    The pain mediator bradykinin was found to sensitize spinal motoneurons by a direct postsynaptic action, questioning the role of motoneurons in the assessment of hyperalgesia since the withdrawal motor reflex is commonly used as a surrogate pain model.
    1. Cell Biology

    Pharmacological inhibition of cystine–glutamate exchange induces endoplasmic reticulum stress and ferroptosis

    Scott J Dixon, Darpan N Patel ... Brent R Stockwell
    Erastin and sorafenib inhibit system xc- and induce ER stress, suggesting these may be useful tools for probing the functions of system xc- and its role in inducing ER stress and ferroptosis.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Down-regulation of TORC2-Ypk1 signaling promotes MAPK-independent survival under hyperosmotic stress

    Alexander Muir, Françoise M Roelants ... Jeremy Thorner
    Building on previous work (Muir et al., 2014), we validate the utility of a screen for new protein kinase substrates and define the underlying molecular basis of a new mechanism for responding to hypertonic conditions.

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