2,411 results found
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    Pancreatic tumors exhibit myeloid-driven amino acid stress and upregulate arginine biosynthesis

    Juan J Apiz Saab, Lindsey N Dzierozynski ... Alexander Muir
    Analysis of the tumor microenvironment reveals that pancreatic tumors experience metabolic stress caused by immune cell degradation of the amino acid arginine, and that pancreatic cancers cope by synthesizing arginine to provide access this amino acid despite low tumor availability.
    1. Developmental Biology
    2. Neuroscience

    Activity-dependent death of transient Cajal-Retzius neurons is required for functional cortical wiring

    Martina Riva, Ioana Genescu ... Alessandra Pierani
    The complete elimination of a transient superficial population of neurons, and associated immature circuits, is required for the emergence of functional properties in the mature cerebral cortex.
    1. Cancer Biology

    Integrative study of skeletal muscle mitochondrial dysfunction in a murine pancreatic cancer-induced cachexia model

    Tristan Gicquel, Fabio Marchiano ... Alice Carrier
    Pancreatic cancer-associated muscle atrophy is characterized by strong mitochondrial metabolic defects that are not limited to carbohydrate, protein, and redox metabolism, but also concern lipid and nucleic acid metabolisms.
    1. Immunology and Inflammation

    Mir221/222 drive synovial hyperplasia and arthritis by targeting cell cycle inhibitors and chromatin remodeling components

    Fani Roumelioti, Christos Tzaferis ... George Kollias
    A novel in vivo role for miRNAs Mir221/222 in arthritogenic synovial fibroblasts and progression of arthritis is presented.
    1. Cancer Biology
    2. Computational and Systems Biology

    Machine learning-assisted elucidation of CD81–CD44 interactions in promoting cancer stemness and extracellular vesicle integrity

    Erika K Ramos, Chia-Feng Tsai ... Huiping Liu
    Machine learning-assisted experiments reveal CD81 as a novel binding partner of CD44 in driving cancer stemness, tumor cell clustering, and extracellular vesicle integrity in human and mouse breast cancer.
    1. Computational and Systems Biology
    2. Developmental Biology

    The MODY-associated KCNK16 L114P mutation increases islet glucagon secretion and limits insulin secretion resulting in transient neonatal diabetes and glucose dyshomeostasis in adults

    Arya Y Nakhe, Prasanna K Dadi ... David A Jacobson
    A mouse model of maturity-onset diabetes of the young illuminates that overactive TALK-1 channels limit β-cell calcium influx through membrane potential hyperpolarization, which blunts insulin secretion and causes glucose intolerance.
    1. Stem Cells and Regenerative Medicine

    Stem cells repurpose proliferation to contain a breach in their niche barrier

    Kenneth Lay, Shaopeng Yuan ... Elaine Fuchs
    Adult stem cells sense nearby tissue damage and recruit immune cells to help them direct efforts towards containing a breach in the epithelial barrier.
    1. Neuroscience

    Clathrin coat controls synaptic vesicle acidification by blocking vacuolar ATPase activity

    Zohreh Farsi, Sindhuja Gowrisankaran ... Ira Milosevic
    Parallel measurements of pH gradient and membrane potential at the single vesicle level have revealed that the synaptic vesicle acidification is initiated by removal of its clathrin coat, which blocks vesicular ATPase activity.
    1. Microbiology and Infectious Disease

    Occurrence of foamy macrophages during the innate response of zebrafish to trypanosome infections

    Sem H Jacobs, Eva Dóró ... Maria Forlenza
    Transparent zebrafish, reveal the occurrence of foamy macrophages during an extracellular trypanosome infection and their association with an exacerbated inflammatory response.
    1. Developmental Biology
    2. Neuroscience

    Revisiting the role of Dcc in visual system development with a novel eye clearing method

    Robin J Vigouroux, Quénol Cesar ... Kim Tuyen Nguyen-Ba-Charvet
    A new eye-specific Dcc mutant combined with an improved clearing protocol for the eye and brain (EyeDISCO) reveals the requirement of the receptor Dcc for retinal development and maintenance.

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