558 results found
    1. Medicine
    2. Neuroscience

    Biological brain age prediction using machine learning on structural neuroimaging data: Multi-cohort validation against biomarkers of Alzheimer’s disease and neurodegeneration stratified by sex

    Irene Cumplido-Mayoral, Marina García-Prat ... OASIS study
    Brain-Age delta is a non-invasive marker of biological brain aging that is sensitive to the presence of risk factors and altered biomarkers of Alzheimer's disease in non-demented individuals.
    1. Medicine
    2. Neuroscience

    Multimodal brain age estimates relate to Alzheimer disease biomarkers and cognition in early stages: a cross-sectional observational study

    Peter R Millar, Brian A Gordon ... Beau M Ances
    Machine learning-based models of brain age using distinct MRI modalities (structural MRI and functional connectivity) capture complementary signals related to healthy age differences and capture unique patterns related to Alzheimer disease, including stages of disease progression, biomarkers, and cognition.
    1. Neuroscience

    Brain age has limited utility as a biomarker for capturing fluid cognition in older individuals

    Alina Tetereva, Narun Pat
    When used to capture fluid cognition, Brain Age likely fails to add substantially more information over and above chronological age and could miss up to around one-third of the variation.
    1. Immunology and Inflammation
    2. Neuroscience

    Time-dependent cytokine and chemokine changes in mouse cerebral cortex following a mild traumatic brain injury

    David Tweedie, Hanuma Kumar Karnati ... Nigel H Greig
    Protein changes in cerebral cortex following a mild traumatic brain injury (mTBI) identified herein will help in the development of monitoring and response biomarkers that may translate to clinical mTBI.
    1. Neuroscience

    DNL343 is an investigational CNS penetrant eukaryotic initiation factor 2B activator that prevents and reverses the effects of neurodegeneration caused by the integrated stress response

    Ernie Yulyaningsih, Jung H Suh ... Pascal E Sanchez
    DNL343, a brain-penetrant integrated stress response inhibitor, reduces neurodegeneration in mouse models and identifies biomarker candidates for assessing treatment responses in clinical settings.
    1. Computational and Systems Biology
    2. Neuroscience

    Discovering and deciphering relationships across disparate data modalities

    Joshua T Vogelstein, Eric W Bridgeford ... Cencheng Shen
    Multiscale Graph Correlation, an interpretable hypothesis test with strong theoretical guarantees for discerning relationships in complex data, requires about half the sample size as other methods, whilst maintaining computational tractability.
    1. Epidemiology and Global Health
    2. Medicine

    Type 2 diabetes mellitus accelerates brain aging and cognitive decline: Complementary findings from UK Biobank and meta-analyses

    Botond Antal, Liam P McMahon ... Lilianne R Mujica-Parodi
    Patients with Type 2 diabetes show patterns of neurodegeneration consistent with accelerated brain aging, including impaired cognition and loss of brain volume, which are more severe in those with increased disease duration.
    1. Neuroscience

    Mapping dopaminergic projections in the human brain with resting-state fMRI

    Marianne Oldehinkel, Alberto Llera ... Christian F Beckmann
    A functional connectivity gradient in striatum is obtained that maps onto DaT SPECT-derived dopaminergic projections and thereby likely provides a new biomarker for investigating dopaminergic (dys)function in the human brain.
    1. Epidemiology and Global Health

    Serum metabolome indicators of early childhood development in the Brazilian National Survey on Child Nutrition (ENANI-2019)

    Marina Padilha, Victor Nahuel Keller ... Gilberto Kac
    A panel of serum biomarkers, including dietary and microbial-derived metabolites related to the gut-brain axis, were identified as potential for tracking children at risk of early childhood developmental delays.
    1. Neuroscience

    Combining magnetoencephalography with magnetic resonance imaging enhances learning of surrogate-biomarkers

    Denis A Engemann, Oleh Kozynets ... Alexandre Gramfort
    Predicting age jointly from multimodal brain images and electrophysiology with machine learning enhances detecting health issues and facets of cognitive decline.

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