6,898 results found
    1. Medicine

    Neuroinflammation in neuronopathic Gaucher disease: Role of microglia and NK cells, biomarkers, and response to substrate reduction therapy

    Chandra Sekhar Boddupalli, Shiny Nair ... Pramod K Mistry
    In neurodegeneration of Gaucher disease, glucosylceramides trigger neuroinflammation via attrition of homeostatic microglia and transition to lipid-laden damage-associated microglia concurrently with infiltration of diverse immune cells including activated NK cells and CCR2+ macrophages, ameliorated by substrate reduction therapy.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Histone H1 prevents non-CG methylation-mediated small RNA biogenesis in Arabidopsis heterochromatin

    Jaemyung Choi, David B Lyons, Daniel Zilberman
    Linker histone H1 and cytosine DNA methylation in contexts other than CG explain patterns of 24 nucleotide small RNA biogenesis in Arabidopsis thaliana.
    1. Neuroscience

    Choice history biases subsequent evidence accumulation

    Anne E Urai, Jan Willem de Gee ... Tobias H Donner
    Choice history signals bias the interpretation of current sensory input, akin to shifting endogenous attention toward (or away from) the previously selected interpretation.
    1. Neuroscience

    A Bayesian and efficient observer model explains concurrent attractive and repulsive history biases in visual perception

    Matthias Fritsche, Eelke Spaak, Floris P de Lange
    Attractive and repulsive history biases in visual perception occur simultaneously, yet over dissociable timescales, and are explained by efficient encoding and Bayesian decoding of visual information in a stable environment.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Constitutive turnover of histone H2A.Z at yeast promoters requires the preinitiation complex

    Michael Tramantano, Lu Sun ... Ed Luk
    The transcription machinery is required for the disassembly of the promoter-proximal H2A.Z nucleosome, contributing to the constitutive histone turnover at yeast promoters.
    1. Medicine

    Osteonecrosis in Gaucher disease in the era of multiple therapies: Biomarker set for risk stratification from a tertiary referral center

    Mohsen Basiri, Mohammad E Ghaffari ... Pramod K Mistry
    Enhancing the management of Gaucher disease patients through multidimensional risk assessment serves as a roadmap towards personalized medicine in the context of a rare disease.
    1. Chromosomes and Gene Expression
    2. Plant Biology

    Natural depletion of histone H1 in sex cells causes DNA demethylation, heterochromatin decondensation and transposon activation

    Shengbo He, Martin Vickers ... Xiaoqi Feng
    Transposon activation during male gametogenesis is caused by interactions between DNA demethylation and linker histone H1, developmental depletion of which promotes pollen fertility.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    A TORC1-histone axis regulates chromatin organisation and non-canonical induction of autophagy to ameliorate ageing

    Yu-Xuan Lu, Jennifer C Regan ... Linda Partridge
    Modulation of histone levels in gut enterocytes by rapamycin treatment alters chromatin organisation and induces intestinal autophagy through transcriptional regulation to prevent age-related decline in the intestine and extend lifespan.
    1. Biochemistry and Chemical Biology

    Diverse nucleosome Site-Selectivity among histone deacetylase complexes

    Zhipeng A Wang, Christopher J Millard ... Philip A Cole
    By analyzing five purified recombinant histone deacetylase complexes and designer acetylated mononucleosome substrates, the molecular basis of the unusual substrate specificity of the CoREST complex was revealed.
    1. Biochemistry and Chemical Biology

    Lysine-14 acetylation of histone H3 in chromatin confers resistance to the deacetylase and demethylase activities of an epigenetic silencing complex

    Mingxuan Wu, Dawn Hayward ... Philip A Cole
    Biochemical approaches reveal that an epigenetic histone deacetylase complex called CoREST is slow to deacetylate histone H3 lysine-14 in nucleosomes, and this inhibits demethylation of histone H3 lysine-4 by the CoREST complex.

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