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    1. Computational and Systems Biology
    2. Medicine

    A mechanistic model and therapeutic interventions for COVID-19 involving a RAS-mediated bradykinin storm

    Michael R Garvin, Christiane Alvarez ... Daniel Jacobson
    Gene expression analysis reveals a novel, integrated molecular mechanism for much of the pathogenesis of COVID-19 that provides therapeutic intervention points that can be addressed with existing approved pharmaceuticals.
    1. Cell Biology

    Irisin directly stimulates osteoclastogenesis and bone resorption in vitro and in vivo

    Eben G Estell, Phuong T Le ... Clifford J Rosen
    The regulation of bone homeostasis by the exercise-induced myokine irisin is in part potentiated by a direct action on osteoclast differentiation and resorption.
    1. Neuroscience

    An expanding manifold in transmodal regions characterizes adolescent reconfiguration of structural connectome organization

    Bo-yong Park, Richard AI Bethlehem ... Boris C Bernhardt
    Manifold learning of longitudinal brain network data provides novel insights into adolescent structural connectome maturation, and how multiple scales of cortical and subcortical organization interact in typical neurodevelopment.
    1. Neuroscience

    Distinct memory engrams in the infralimbic cortex of rats control opposing environmental actions on a learned behavior

    Nobuyoshi Suto, Amanda Laque ... Friedbert Weiss
    Current findings help reconcile the contradictory reports regarding the role of infralimbic cortex in the environmental control of appetitive behavior.
    1. Neuroscience

    Machine learning of dissection photographs and surface scanning for quantitative 3D neuropathology

    Harshvardhan Gazula, Henry FJ Tregidgo ... Juan E Iglesias
    New open-source software enables, for the first time, extraction of quantitative information from brain dissection photographs that are routinely taken at brain banks for archiving purposes but otherwise not exploited.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Positively selected modifications in the pore of TbAQP2 allow pentamidine to enter Trypanosoma brucei

    Ali H Alghamdi, Jane C Munday ... Harry P De Koning
    Study of TbAQP2 adaptations and substrate interactions shows how this aquaglyceroporin enables cellular entry of large antimicrobial agents in Trypanosoma brucei.
    1. Cell Biology

    The actomyosin system is essential for the integrity of the endosomal system in bloodstream form Trypanosoma brucei

    Fabian Link, Sisco Jung ... Brooke Morriswood
    Actin and the class I myosin TbMyo1 are required to maintain endosomal morphology in the protist parasite Trypanosome brucei.
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    1. Cancer Biology
    2. Immunology and Inflammation

    Tumor-induced MDSC act via remote control to inhibit L-selectin-dependent adaptive immunity in lymph nodes

    Amy W Ku, Jason B Muhitch ... Sharon S Evans
    Tumor-induced myeloid-derived suppressor cells exert systemic suppression of adaptive immunity by limiting L-selectin-directed trafficking of T cells at vascular checkpoints in lymph nodes.
    1. Cell Biology

    Tryparedoxin peroxidase-deficiency commits trypanosomes to ferroptosis-type cell death

    Marta Bogacz, R Luise Krauth-Siegel
    Ferroptosis is an evolutionary ancient process that is counterbalanced by distant peroxidases, GPx4 in mammals and tryparedoxin peroxidases in trypanosomes, and can be induced at distinct subcellular membranes depending on the individual cell type.
    1. Neuroscience

    An electrophysiological marker of arousal level in humans

    Janna D Lendner, Randolph F Helfrich ... Robert T Knight
    Non-oscillatory brain activity can be used to monitor arousal levels during both NREM and REM sleep as well as under general anesthesia with propofol.