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    1. Microbiology and Infectious Disease

    Dynamics of macrophage polarization support Salmonella persistence in a whole living organism

    Jade Leiba, Tamara Sipka ... Mai E Nguyen-Chi
    Real-time visualization of Salmonella enterica and polarized macrophage interaction in the living host identifies an anti-inflammatory, pro-regenerative, and motionless macrophage subset as a survival niche during persistent infection.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    Regulation of multiple signaling pathways promotes the consistent expansion of human pancreatic progenitors in defined conditions

    Luka Jarc, Manuj Bandral ... Anthony Gavalas
    The signaling requirements to decouple proliferation of pancreatic progenitors from differentiation were elucidated and employed for the reproducible expansion, under GMP-compliant conditions, of pancreatic progenitors derived from different human pluripotent stem cell lines.
    1. Developmental Biology
    2. Stem Cells and Regenerative Medicine

    A requirement of Polo-like kinase 1 in murine embryonic myogenesis and adult muscle regeneration

    Zhihao Jia, Yaohui Nie ... Shihuan Kuang
    Inhibition of Polo-like kinase that has been shown to exhibit antitumor effect unexpectedly disrupts muscle stem cell function, leading to developmental and regenerative failures.
    1. Cell Biology
    2. Developmental Biology

    Optogenetic investigation of BMP target gene expression diversity

    Katherine W Rogers, Mohammad ElGamacy ... Patrick Müller
    Optogenetic manipulation of BMP signaling indicates that diversity in BMP-dependent gene expression is not well explained by differential responses to BMP, and combinatorial signaling is a major driver of diversity.
    1. Ecology
    2. Evolutionary Biology

    Megafaunal extinctions, not climate change, may explain Holocene genetic diversity declines in Numenius shorebirds

    Hui Zhen Tan, Justin JFJ Jansen ... Frank E Rheindt
    Application of museomics facilitates characterization of the contribution of historical factors to genetic diversity declines in Numenius shorebirds and highlights that extinction of ecosystem-engineering megafauna may have been detrimental for open-landscape species.
    1. Neuroscience

    A translational MRI approach to validate acute axonal damage detection as an early event in multiple sclerosis

    Antonio Cerdán Cerdá, Nicola Toschi ... Silvia De Santis
    MRI is sensitive to the increase in axonal caliber due to pathology and was used to detect widespread increase in the average axonal caliber in multiple sclerosis brains with short disease duration only.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Role of oxidation of excitation-contraction coupling machinery in age-dependent loss of muscle function in Caenorhabditis elegans

    Haikel Dridi, Frances Forrester ... Andrew Marks
    The Ryanodine receptor type 1 calcium channels play a critical role in age-related muscle function loss.
    1. Developmental Biology

    Notch-dependent and -independent transcription are modulated by tissue movements at gastrulation

    Julia Falo-Sanjuan, Sarah Bray
    Live-imaging of Notch-dependent transcription in vivo reveals that cell movements during gastrulation influence transcription levels, and do so downstream of Notch cleavage, illustrating the importance of crosstalk between mechanics and transcription in the context of embryonic development.
    1. Neuroscience

    Chronic pain induces generalized enhancement of aversion

    Qiaosheng Zhang, Toby Manders ... Jing Wang
    Chronic pain distorts intensity coding in the anterior cingulate cortex to give rise to generalized anatomically nonspecific enhancement in pain aversion.
    1. Immunology and Inflammation

    Enriched dietary saturated fatty acids induce trained immunity via ceramide production that enhances severity of endotoxemia and clearance of infection

    Amy L Seufert, James W Hickman ... Brooke A Napier
    Enriched dietary SFAs, specifically palmitic acid (PA), induce a broad and long-lived innate immune memory response which is harmful during disease exacerbated by inflammation, but beneficial for pathogen clearance.