431 results found
    1. Evolutionary Biology

    Decreased recent adaptation at human mendelian disease genes as a possible consequence of interference between advantageous and deleterious variants

    Chenlu Di et al.
    Harmful genetic variants at mendelian disease genes slow down adaptation, by interfering with the spread of adaptive variants in a population.
    1. Medicine

    Modulation of fracture healing by the transient accumulation of senescent cells

    Dominik Saul et al.
    Senescent cells accumulate in the fracture callus and a reduction in the number of these cells accelerates fracture healing in mice.
    1. Cell Biology
    2. Developmental Biology

    Human embryo polarization requires PLC signaling to mediate trophectoderm specification

    Meng Zhu et al.
    Functional analyses of in vitro fertilized, preimplanation human embryos reveal that the first lineage segregation depends on cell polarization signaling that is regulated by Phospholipase C (PLC) activity.
    1. Neuroscience

    The cell adhesion molecule Sdk1 shapes assembly of a retinal circuit that detects localized edges

    Pierre-Luc Rochon et al.
    A novel retinal ganglion cell requires a cell adhesion molecule to grow its dendrites, collect synaptic inputs, and become selective to edges placed in its receptive field.
    1. Neuroscience

    A projectome of the bumblebee central complex

    Marcel Ethan Sayre et al.
    Serial-section electron microscopy uncovers the intricate neural network of the bumblebee central complex, revealing highly conserved projection patterns as well as novel circuit elements potentially unique to bees.
    1. Cell Biology
    2. Developmental Biology

    MACF1 controls skeletal muscle function through the microtubule-dependent localization of extra-synaptic myonuclei and mitochondria biogenesis

    Alireza Ghasemizadeh et al.
    Maintenance of peripheral myonuclei patterning in skeletal myofibers is dependent on the regulation of microtubules dynamic and nuclei motion and is essential for proper neuromuscular junction integrity and mitochondria homeostasis.
    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. Neuroscience

    Profiling sensory neuron microenvironment after peripheral and central axon injury reveals key pathways for neural repair

    Oshri Avraham et al.
    The microenvironment surrounding sensory neurons in dorsal root ganglia responds differently to peripheral and central injuries, revealing that non-neuronal cells can be manipulated to promote axon regeneration after central injury.
    1. Cell Biology

    Age-dependent changes in protein incorporation into collagen-rich tissues of mice by in vivo pulsed SILAC labelling

    Yoanna Ariosa-Morejon et al.
    Protein dynamics signatures in ageing collagen-rich tissues that are central to frequent age-related diseases such as osteoporosis and osteoarthritis.

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