60 results found
    1. Genetics and Genomics

    Utility of polygenic embryo screening for disease depends on the selection strategy

    Todd Lencz et al.
    Preimplantation screening of embryos using polygenic risk scores may substantially reduce risk for a given complex disease, but this effect depends on several quantifiable factors and raises significant ethical issues.
    1. Developmental Biology

    End-of-life targeted degradation of DAF-2 insulin/IGF-1 receptor promotes longevity free from growth-related pathologies

    Richard Venz et al.
    Inducible degradation of the insulin/insulin-like growth factor-1 receptor shows that a doubling in lifespan is possible even at extremely old ages in an organism.
    1. Genetics and Genomics

    Human genetic analyses of organelles highlight the nucleus in age-related trait heritability

    Rahul Gupta et al.
    Although cellular organelles show a functional deterioration in aging, genetic loci associated with common age-associated disease instead nominate nuclear transcription factors across several age-related diseases.
    1. Stem Cells and Regenerative Medicine

    Mesenchymal stromal cell aging impairs the self-organizing capacity of lung alveolar epithelial stem cells

    Diptiman Chanda et al.
    Lung stem cell niche aging is associated with altered bioenergetics, metabolic dysfunction, and senescence of mesenchymal stromal cells that restricts 3D organoid, or alveolosphere formation, potentially accounting for reduced regenerative capacity with aging.
    1. Cell Biology
    2. Developmental Biology

    Neuronal regulated ire-1-dependent mRNA decay controls germline differentiation in Caenorhabditis elegans

    Mor Levi-Ferber et al.
    Neuronal circuits can be disrupted by ire-1-dependent mRNA decay to affect germline tumor cell identity by regulating cross-tissue communication in Caenorhabditis elegans.
    1. Cell Biology

    The mitochondrial permeability transition pore activates the mitochondrial unfolded protein response and promotes aging

    Suzanne Angeli et al.
    Loss of the F-ATP synthase c-subunit inhibits a pathological mitochondrial permeability transition pore that is coupled to a maladaptive mitochondrial unfolded protein response while also extending lifespan.
    1. Chromosomes and Gene Expression

    miR-125-chinmo pathway regulates dietary restriction-dependent enhancement of lifespan in Drosophila

    Manish Pandey et al.
    miR-125 functions as a potential dietary restriction mimetic by promoting longevity through regulation of fat metabolism.
    1. Computational and Systems Biology
    2. Stem Cells and Regenerative Medicine

    The biphasic and age-dependent impact of klotho on hallmarks of aging and skeletal muscle function

    Zachary Clemens et al.
    Transcriptomic analysis using a novel information-based network entropy approach provides mechanistic insights into the ability of Klotho to successfully ameliorate age-related sarcopenia in old mice, but not oldest-old mice.
    1. Epidemiology and Global Health

    Sex differences in biological aging with a focus on human studies

    Sara Hägg, Juulia Jylhävä
    Biological aging processes and age-related diseases demonstrate sexual dimorphism where complex interactions between underlying aging mechanisms and sex chromosomes and hormones are seen in humans and animals.
    1. Computational and Systems Biology

    A cross-sectional study of functional and metabolic changes during aging through the lifespan in male mice

    Michael A Petr et al.
    A comprehensive cross-sectional assessment reveals functional decline in mice consistent with increased energetic cost of physical activity with age through metabolic rewiring in multiple organs.

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