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    Home > Active Ingredient News > Immunology News > A&R: IL-13Rα1-mediated signaling regulates age-related/autoimmune B cell expansion and lupus pathogenesis

    A&R: IL-13Rα1-mediated signaling regulates age-related/autoimmune B cell expansion and lupus pathogenesis

    • Last Update: 2022-05-19
    • Source: Internet
    • Author: User
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    Age-related / autoimmune B cells (ABC) are an emerging subset of B cells (in addition to the classic B cell markers, they also express myeloid markers such as the transcription factor T-bet and CD11c , so these cells are also called CD11c+ T -bet+ B cells), which are abnormally expanded in SLE .


    Age-related / autoimmune immune B cells (ABC) are an emerging subset of B cells (in addition to the classic B cell markers, they also express myeloid markers such as the transcription factor T-bet and CD11c , so these cells are also called CD11c+ T-bet+ B cells), which are abnormally expanded in SLE .


    Mice lacking DEF6 and SWAP-70 (double knockout = DKO , SWAP-70 and DEF6 are homologous proteins that control cytoskeletal reorganization and interferon regulator activity) that preferentially develop lupus in females were compared with IL-13Rα1 KO mice hybrid


    Mice lacking DEF6 and SWAP-70 (double knockout = DKO , SWAP-70 and DEF6 are homologous proteins that control cytoskeletal reorganization and interferon regulator activity) that preferentially develop lupus in females were compared with IL-13Rα1 KO mice hybrid


    ABCs express higher levels of IL-13Rα1 than follicular B cells .


    These studies reveal a novel role for IL-13Rα1 in controlling the generation and differentiation of ABCs , suggesting that IL-13Rα1 contributes to these roles by regulating a subset of signaling events mediated by IL-21 .


    Original source:

    Chen, Z.


    Chen, Z.
    , Flores Castro, D.
    , Gupta, S.
    , Phalke, S.
    , Manni, M.
    , Rivera-Correa, J.
    , Jessberger, R.
    , Zaghouani, H.
    , Giannopoulou, E.
    , Pannellini, T.
    and Pernis, AB (2022), IL-13Rα1-Mediated Signaling Regulates Age-Associated/Autoimmune B-Cell Expansion and Lupus Pathogenesis.
    Arthritis Rheumatol.
    Accepted Author Manuscript.
    https://doi.
    org/10.
    1002/art.
    42146 https://doi.
    org/10.
    1002/art.
    42146

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