4,484 results found
    1. Biochemistry and Chemical Biology

    Large-scale characterization of drug mechanism of action using proteome-wide thermal shift assays

    Jonathan G Van Vranken, Jiaming Li ... Devin K Schweppe
    An approachable framework for the scalable implementation of proteome-wide thermal shift assays to assess drug mechanisms of action.
    1. Ecology
    2. Neuroscience

    Probing the decision-making mechanisms underlying choice between drug and nondrug rewards in rats

    Youna Vandaele, Magalie Lenoir ... Serge H Ahmed
    In a drug choice setting, rats’ preference is initially driven by deliberative processes but shifts to more automatic selection processes after extended training, in accordance with the sequential choice model.
    1. Computational and Systems Biology

    Decoding mechanism of action and sensitivity to drug candidates from integrated transcriptome and chromatin state

    Caterina Carraro, Lorenzo Bonaguro ... Barbara Gatto
    Combined analyses of transcriptome and chromatin accessibility elucidated the mechanisms underlying cancer cell lines response to antitumor candidates and provided a versatile perturbation-informed basal signature able to predict drug sensitivity.
    1. Cancer Biology

    Exploration of drug resistance mechanisms in triple negative breast cancer cells using a microfluidic device and patient tissues

    Wanyoung Lim, Inwoo Hwang ... Sungsu Park
    A microfluidic device induces doxorubicin-resistant polyaneuploid cancer cells from triple negative breast cancer cells, revealing NUPR1/HDAC11 axis dysfunction drives chemoresistance, increasing tumor heterogeneity and impacting clinical outcomes.
    1. Cell Biology
    2. Physics of Living Systems

    A high-throughput platform for single-molecule tracking identifies drug interaction and cellular mechanisms

    David Trombley McSwiggen, Helen Liu ... Hilary P Beck
    Single-molecule tracking at scale, analyzing millions of cells and thousands of compounds per day, demonstrates that measuring protein motion provides mechanistic insights relevant to drug discovery.
    1. Computational and Systems Biology
    2. Evolutionary Biology

    Distinguishing mutants that resist drugs via different mechanisms by examining fitness tradeoffs

    Kara Schmidlin, Sam Apodaca ... Kerry Geiler-Samerotte
    Nearly a thousand diverse adaptive mutants converge into a handful of groups for which fitness responds the same way to environmental change.
    1. Neuroscience

    Fluorescence activation mechanism and imaging of drug permeation with new sensors for smoking-cessation ligands

    Aaron L Nichols, Zack Blumenfeld ... Henry A Lester
    Pharmacokinetics, the venerable science that measures the dynamics and concentrations an administered drug attains in organs, has been extended to the subcellular level – organelles – by a generalizable new paradigm.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    Theoretical analysis reveals a role for RAF conformational autoinhibition in paradoxical activation

    Gaurav Mendiratta, Edward Stites
    Mathematical modeling shows how RAF inhibitors can actually activate RAF kinases by stabilizing RAF proteins in the conformation capable of dimerization.
    1. Microbiology and Infectious Disease

    Doxycycline has distinct apicoplast-specific mechanisms of antimalarial activity

    Megan Okada, Ping Guo ... Paul A Sigala
    Doxycycline used at a slightly higher concentration kills Plasmodium falciparum malaria parasites with faster, first-cycle activity through a novel organelle-specific mechanism.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Coupling of remote alternating-access transport mechanisms for protons and substrates in the multidrug efflux pump AcrB

    Thomas Eicher, Markus A Seeger ... Klaas M Pos
    A transport mechanism is uncovered in the major drug-efflux system in E. coli involving two remote alternating-access conformational cycles, which could provide the basis for the development of allosteric inhibitors against multidrug resistance.

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