11,271 results found
    1. Medicine
    2. Neuroscience

    Changes in global and thalamic brain connectivity in LSD-induced altered states of consciousness are attributable to the 5-HT2A receptor

    Katrin H Preller, Joshua B Burt ... Alan Anticevic
    LSD induces a pattern of changed global brain connectivity characterized by hypo-connectivity in associative areas and hyper-connectivity across sensory and somatomotor areas that is dependent on the serotonin 2A receptor.
    1. Stem Cells and Regenerative Medicine
    2. Chromosomes and Gene Expression

    Histone demethylase Lsd1 represses hematopoietic stem and progenitor cell signatures during blood cell maturation

    Marc A Kerenyi, Zhen Shao ... Stuart H Orkin
    Lysine-specific demethylase 1 (Lsd1) has an essential role during both the early and later stages of blood cell development.
    1. Structural Biology and Molecular Biophysics

    Atomic structure of the 26S proteasome lid reveals the mechanism of deubiquitinase inhibition

    Corey M Dambacher, Evan J Worden ... Gabriel C Lander
    Within the isolated lid sub-complex of the proteasome, a finely tuned network of interactions maintains the deubiquitinase in an inhibited conformation; dramatic rearrangements of the lid subunits upon incorporation into the holoenzyme lead to the deubiquitinase’s activation.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Maternal LSD1/KDM1A is an essential regulator of chromatin and transcription landscapes during zygotic genome activation

    Katia Ancelin, Laurène Syx ... Edith Heard
    The maternally provided histone demethylase LSD1/KDM1A has an instrumental role at the beginning of life, shaping the histone methylation landscape and the transcriptional repertoire of the early mouse embryo.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    LSD1 defines the fiber type-selective responsiveness to environmental stress in skeletal muscle

    Hirotaka Araki, Shinjiro Hino ... Mitsuyoshi Nakao
    Lysine-specific demethylase-1 acts as an epigenetic barrier against glucocorticoid-induced atrophy and exercise-induced hypertrophy in skeletal muscle.
    1. Neuroscience

    Replacing the PDZ-interacting C-termini of DSCAM and DSCAML1 with epitope tags causes different phenotypic severity in different cell populations

    Andrew M Garrett, Abigail LD Tadenev ... Robert W Burgess
    Mammalian Dscams require different intracellular interactions in different cell types during neural circuit formation to promote self-avoidance.
    1. Neuroscience

    A cellular mechanism for inverse effectiveness in multisensory integration

    Torrey LS Truszkowski, Oscar A Carrillo ... Carlos D Aizenman
    Building on previous work (Felch et al., 2016), it is shown that inverse effectiveness, a central property of multisensory integration, in the optic tectum is mediated by the activation of NMDA-type glutamate receptors, resulting in a response greater than the sum of responses to each individual sensory modality.
    1. Neuroscience

    Pupil diameter encodes the idiosyncratic, cognitive complexity of belief updating

    Alexandre LS Filipowicz, Christopher M Glaze ... Joshua I Gold
    Pupil-linked arousal dynamics are influenced more strongly by high-level internal belief states than by low-level sensory events during decision-making.
    1. Neuroscience

    Transcriptomics-informed large-scale cortical model captures topography of pharmacological neuroimaging effects of LSD

    Joshua B Burt, Katrin H Preller ... John D Murray
    Computational models of large-scale cortical dynamics, integrating gene expression mapping to pattern pharmacological modulation across cortex, capture inter-areal topographies of functional connectivity alterations induced by lysergic acid diethylamide, providing a framework for simulating effects of pharmacology in the human brain.
    1. Neuroscience

    Grid-cell representations in mental simulation

    Jacob LS Bellmund, Lorena Deuker ... Christian F Doeller
    Functional magnetic resonance imaging performed while people imagined directions from stationary viewpoints supports theories suggesting that spatially tuned cells such as grid cells underlie mental simulation for future thinking.

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