2,142 results found
    1. Stem Cells and Regenerative Medicine

    Paracrine Met signaling triggers epithelial–mesenchymal transition in mammary luminal progenitors, affecting their fate

    Amandine Di-Cicco et al.
    Mammary progenitors identified by a new marker, ICAM-1, undergo epithelial-mesenchymal transition and luminal-to-basal switch in response to paracrine Met activation.
    1. Neuroscience

    Phylogenetic variation in cortical layer II immature neuron reservoir of mammals

    Chiara La Rosa et al.
    The higher amount of cortical immature neurons in brains with expanded neocortices may represent a reservoir of young cells for mammals with reduced neurogenesis.
    1. Developmental Biology
    2. Immunology and Inflammation

    Tissue-resident macrophages promote extracellular matrix homeostasis in the mammary gland stroma of nulliparous mice

    Ying Wang et al.
    A distinct resident macrophage subpopulation that localizes to the adipose stroma and fibrous capsule of the nulliparous mammary gland and to extracellular matrix-enriched stroma surrounding mammary tumors is identified.
    1. Evolutionary Biology
    2. Neuroscience

    A cerebellar substrate for cognition evolved multiple times independently in mammals

    Jeroen B Smaers et al.
    Multiple independent directional selection events on a neural substrate that underpins domain-general associative abilities partly explains independent occurrences of complex behavior in different lineages of mammals.
    1. Developmental Biology
    2. Immunology and Inflammation

    Estrogen exacerbates mammary involution through neutrophil-dependent and -independent mechanism

    Chew Leng Lim et al.
    Estrogen aggravates mammary involution through lysosome-mediated cell death, neutrophil recruitment via CXCR2 signalling, neutrophil-mediated inflammation and adipocyte repopulation.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Immune genes are hotspots of shared positive selection across birds and mammals

    Allison J Shultz, Timothy B Sackton
    Pathogens, particularly viruses, target the same genes over deep evolutionary time, resulting in shared signatures of positive selection and transcriptional responses at the same genes.
    1. Computational and Systems Biology
    2. Neuroscience

    A kinematic synergy for terrestrial locomotion shared by mammals and birds

    Giovanna Catavitello et al.
    General principles of the limb segment control for terrestrial locomotion have emerged in evolution and highlight the existence of the laws of biological motion that apply to various animal species.
    1. Developmental Biology
    2. Evolutionary Biology

    Transient role of the middle ear as a lower jaw support across mammals

    Neal Anthwal et al.
    The incus of the middle ear plays a role in supporting the lower jaw prior to the formation of the mammalian jaw joint allowing early feeding in monotremes and marsupials.
    1. Ecology
    2. Microbiology and Infectious Disease

    Immune-mediated hookworm clearance and survival of a marine mammal decrease with warmer ocean temperatures

    Mauricio Seguel et al.
    In years with colder ocean temperatures, fur seal pups receive more maternal care and have a better energy balance, clearing hookworm infection earlier, which increases their chances of survival.
    1. Ecology

    Mammal communities are larger and more diverse in moderately developed areas

    Arielle Waldstein Parsons et al.
    Citizen science camera trapping showing suburban and wild areas maintain similar levels of mammalian diversity and relative abundance, challenging conventional thoughts about the impacts of urbanization on wildlife.

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