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  1. Article ; Online: Identification of CX3CR1

    Cavarelli, Mariangela / Foglieni, Chiara / Hantour, Naima / Schorn, Tilo / Ferrazzano, Antonello / Dispinseri, Stefania / Desjardins, Delphine / Elmore, Ugo / Dereuddre-Bosquet, Nathalie / Scarlatti, Gabriella / Le Grand, Roger

    iScience

    2022  Volume 25, Issue 6, Page(s) 104346

    Abstract: The difficulty to unambiguously identify the various subsets of mononuclear phagocytes (MNPs) of the ... ...

    Abstract The difficulty to unambiguously identify the various subsets of mononuclear phagocytes (MNPs) of the intestinal
    Language English
    Publishing date 2022-05-02
    Publishing country United States
    Document type Journal Article
    ISSN 2589-0042
    ISSN (online) 2589-0042
    DOI 10.1016/j.isci.2022.104346
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Leukocytospermia induces intraepithelial recruitment of dendritic cells and increases SIV replication in colorectal tissue explants.

    Cavarelli, Mariangela / Hua, Stéphane / Hantour, Naima / Tricot, Sabine / Tchitchek, Nicolas / Gommet, Céline / Hocini, Hakim / Chapon, Catherine / Dereuddre-Bosquet, Nathalie / Le Grand, Roger

    Communications biology

    2021  Volume 4, Issue 1, Page(s) 861

    Abstract: Mucosal exposure to infected semen accounts for the majority of HIV-1 transmission events, with rectal intercourse being the route with the highest estimated risk of transmission. Yet, the impact of semen inflammation on colorectal HIV-1 transmission has ...

    Abstract Mucosal exposure to infected semen accounts for the majority of HIV-1 transmission events, with rectal intercourse being the route with the highest estimated risk of transmission. Yet, the impact of semen inflammation on colorectal HIV-1 transmission has never been addressed. Here we use cynomolgus macaques colorectal tissue explants to explore the effect of leukocytospermia, indicative of male genital tract inflammation, on SIVmac251 infection. We show that leukocytospermic seminal plasma (LSP) has significantly higher concentration of a number of pro-inflammatory molecules compared to normal seminal plasma (NSP). In virus-exposed explants, LSP enhance SIV infection more efficiently than NSP, being the increased viral replication linked to the level of inflammatory and immunomodulatory cytokines. Moreover, LSP induce leukocyte accumulation on the apical side of the colorectal lamina propria and the recruitment of a higher number of intraepithelial dendritic cells than with NSP. These results suggest that the outcome of mucosal HIV-1 infection is influenced by the inflammatory state of the semen donor, and provide further insights into mucosal SIV/HIV-1 pathogenesis.
    MeSH term(s) Animals ; Colon/metabolism ; Colon/virology ; Cytokines/metabolism ; Dendritic Cells/virology ; HIV Infections/metabolism ; HIV Infections/transmission ; HIV Infections/virology ; HIV-1/physiology ; Leukocytes/metabolism ; Leukocytes/pathology ; Leukocytes/virology ; Macaca mulatta ; Male ; Rectum/metabolism ; Rectum/virology ; Semen/virology ; Simian Acquired Immunodeficiency Syndrome/metabolism ; Simian Acquired Immunodeficiency Syndrome/transmission ; Simian Acquired Immunodeficiency Syndrome/virology ; Simian Immunodeficiency Virus/physiology ; Tissue Culture Techniques ; Virus Replication/physiology
    Chemical Substances Cytokines
    Language English
    Publishing date 2021-07-12
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 2399-3642
    ISSN (online) 2399-3642
    DOI 10.1038/s42003-021-02383-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

    Order via subito

    This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.

    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

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