227 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    µ-Theraphotoxin Pn3a inhibition of CaV3.3 channels reveals a novel isoform-selective drug binding site

    Jeffrey R McArthur, Jierong Wen ... David J Adams
    The spider venom peptide Pn3a recognizes a pharmacophore unique to CaV3.3 amongst T-type calcium channels, underscoring its potential as a novel molecular tool for the study of CaV3.3-mediated currents in native cells.
    1. Developmental Biology
    2. Genetics and Genomics

    Drosophila p53 isoforms have overlapping and distinct functions in germline genome integrity and oocyte quality control

    Ananya Chakravarti, Heshani N Thirimanne ... Brian R Calvi
    Drosophila p53 protein isoforms function during oogenesis to ensure the integrity of the transmitted genome, a function that is conserved to humans.
    1. Neuroscience

    Altered hierarchical auditory predictive processing after lesions to the orbitofrontal cortex

    Olgerta Asko, Alejandro Omar Blenkmann ... Anne-Kristin Solbakk
    Orbitofrontal cortex lesions impact the neural correlates of detection of auditory regularity violation at two hierarchical levels of rule abstraction, providing a novel perspective on the role of the orbitofrontal cortex in auditory predictive processing.
    1. Neuroscience

    Genomic mosaicism with increased amyloid precursor protein (APP) gene copy number in single neurons from sporadic Alzheimer's disease brains

    Diane M Bushman, Gwendolyn E Kaeser ... Jerold Chun
    Somatically derived genomic mosaicism in the form of increased DNA content and APP copy number in single neurons plausibly has a function in sporadic Alzheimer’s disease and points to functions for single-neuron gene copy number changes.
    1. Neuroscience

    GnRH pulse generator activity in mouse models of polycystic ovary syndrome

    Ziyue Zhou, Su Young Han ... Allan E Herbison
    Common mouse models of polycystic ovary syndrome (PCOS) have variable ability to recapitulate the increased GnRH pulse generator frequency thought to exist in women with PCOS.
    1. Microbiology and Infectious Disease

    High-risk Escherichia coli clones that cause neonatal meningitis and association with recrudescent infection

    Nguyen Thi Khanh Nhu, Minh-Duy Phan ... Mark A Schembri
    E. coli that cause neonatal meningitis largely derive from two global clonal lineages that can additionally form intestinal reservoirs to seed recrudescent invasive infection even when appropriate antibiotics are used.
    1. Cell Biology
    2. Immunology and Inflammation

    Zinc finger protein Zfp335 controls early T-cell development and survival through β-selection-dependent and -independent mechanisms

    Xin Wang, Anjun Jiao ... Baojun Zhang
    Genetically modified mouse model and comprehensive analysis reveal the molecular mechanisms regulating early T-cell development through intracellular TCRβ expression-mediated β-selection and independent cell survival signaling.
    1. Neuroscience

    Distinct roles of forward and backward alpha-band waves in spatial visual attention

    Andrea Alamia, Lucie Terral ... Rufin VanRullen
    Covert visual attention modulates alpha-band traveling waves propagating from frontal to occipital regions in both hemispheres, yet it modulates waves propagating in the opposite direction (occipital to frontal) only in the presence of visual stimulation.
    1. Neuroscience

    Subretinal mononuclear phagocytes induce cone segment loss via IL-1β

    Chiara M Eandi, Hugo Charles Messance ... Florian Sennlaub
    IL-1β release from macrophages might be responsible for the unexplained cone segment loss in retinal degenerative diseases that are associated with subretinal inflammation, such as retinitis pigmentosa or geographic atrophy.
    1. Neuroscience

    Impact of long- and short-range fibre depletion on the cognitive deficits of fronto-temporal dementia

    Melissa Savard, Tharick A Pascoal ... Pedro Rosa-Neto
    While semantic symptoms in fronto-temporal dementia patients were mainly dependent on short-range white-matter fibre disruption, long-range white-matter fibres damage was the major contributor to executive dysfunction, highlighting the importance of controlling for risk factors associated with deep white-matter disease.

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