20 results found
    1. Cell Biology
    2. Immunology and Inflammation

    Fibroblastic reticular cell-derived lysophosphatidic acid regulates confined intranodal T-cell motility

    Akira Takeda, Daichi Kobayashi ... Eiji Umemoto
    A lipid mediator lysophosphatidic acid (LPA) derived from fibroblastic reticular cells regulates T-cell movement through the densely packed reticular network in lymph nodes in a manner dependent on the LPA receptor LPA2-ROCK-myosin II.
    1. Immunology and Inflammation

    High-endothelial cell-derived S1P regulates dendritic cell localization and vascular integrity in the lymph node

    Szandor Simmons, Naoko Sasaki ... Masaru Ishii
    Impairment of the autocrine S1PR1-Gi signaling on HEVs results in high-endothelial cell apoptosis, reduced CCL21-secretion from HEVs, and cessation of HEV-DC interactions and lymphocyte immigration across the high-endothelial barrier.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    IL-33 promotes innate lymphoid cell-dependent IFN-γ production required for innate immunity to Toxoplasma gondii

    Joseph T Clark, David A Christian ... Christopher A Hunter
    Upon Toxoplasma gondii infection, IL-33 plays a critical role in driving early anti-parasite responses by innate lymphoid cells rendered responsive to its effects by infection.
    1. Cancer Biology
    2. Immunology and Inflammation

    Endothelial cells express NKG2D ligands and desensitize antitumor NK responses

    Thornton W Thompson, Alexander Byungsuk Kim ... David H Raulet
    Antitumor (natural killer) NK cell responses are negatively regulated by interactions between NK cells and endogenous NKG2D ligands constitutively expressed on lymph node endothelial cells and super-induced on tumor-associated endothelium.
    1. Immunology and Inflammation
    2. Cell Biology

    Calcium-mediated shaping of naive CD4 T-cell phenotype and function

    Vincent Guichard, Nelly Bonilla ... Cédric Auffray
    Calcium-calcineurin signaling cascade drives the acquisition of both the phenotype of the most self-reactive naive CD4 T cells and their enhanced cell-intrinsic ability to commit into induced regulatory T cells upon activation.
    1. Developmental Biology

    Hypertrophic chondrocytes serve as a reservoir for marrow-associated skeletal stem and progenitor cells, osteoblasts, and adipocytes during skeletal development

    Jason T Long, Abigail Leinroth ... Matthew J Hilton
    Hypertrophic chondrocytes of the growth plate undergo a process of dedifferentiation to generate marrow associated skeletal stem and progenitor cells (SSPCs), which ultimately re-differentiate into cells of the osteoblast or adipocyte lineages during skeletal development.
    1. Cell Biology
    2. Immunology and Inflammation

    Molecular tracking devices quantify antigen distribution and archiving in the murine lymph node

    Shannon M Walsh, Ryan M Sheridan ... Beth Ann Jiron Tamburini
    Antigen-phosphorothioate DNA conjugation provides a vaccination strategy where stable barcodes facilitate the detection and quantification of antigen using single-cell RNA sequencing.
    1. Immunology and Inflammation

    Lymph node stromal cells constrain immunity via MHC class II self-antigen presentation

    Antonio P Baptista, Ramon Roozendaal ... Reina E Mebius
    MHC class II-mediated self-antigen presentation by lymph node stromal cells controls regulatory T cell homeostasis, thus safeguarding immune tolerance.
    1. Immunology and Inflammation

    The role of B cells in immune cell activation in polycystic ovary syndrome

    Angelo Ascani, Sara Torstensson ... Elisabet Stener-Victorin
    Androgen receptor activation modifies B cell frequencies and functionality, accompanied by weight gain in female mice exposed to human PCOS IgG, highlighting the unrecognized involvement of B cells in PCOS autoimmune comorbidities despite their absence not preventing PCOS phenotype development.
    1. Cell Biology
    2. Immunology and Inflammation

    T-cell calcium dynamics visualized in a ratiometric tdTomato-GCaMP6f transgenic reporter mouse

    Tobias X Dong, Shivashankar Othy ... Michael D Cahalan
    Salsa6f is a novel, ratiometric genetically encoded Ca2+ indicator that combines the power of ratiometric chemical Ca2+ indicators with the ability, when expressed transgenically, to image cellular Ca2+ signals amid complex tissue environments in vivo.

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