Dergi makalesi Açık Erişim
Ulusoy, Canan; Kim, Eunmi; Tuzun, Erdem; Huda, Ruksana; Yilmaz, Vuslat; Poulas, Konstantinos; Trakas, Nikos; Skriapa, Lamprini; Niarchos, Athanasios; Strait, Richard T.; Finkelman, Fred D.; Turan, Selin; Zisimopoulou, Paraskevi; Tzartos, Socrates; Saruhan-Direskeneli, Guher; Christadoss, Premkumar
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MuSK-antibodies are predominantly of the non-complement fixing IgG4 isotype. The MuSK associated experimental autoimmune myasthenia gravis (EAMG) model was established in mice to investigate immunoglobulin (Ig) and cytokine responses related with MuSK immunity. C57BL/6 (B6) mice immunized with 30 mu g of recombinant human MuSK in incomplete or complete Freund's adjuvant (CFA) showed significant EAMG susceptibility (>80% incidence). Although mice immunized with 10 mu g of MuSK had lower EAMG incidence (14.3%), serum MuSK-antibody levels were comparable to mice immunized with 30 mu g MuSK. While MuSK immunization stimulated production of all antibody isotypes, non-complement fixing IgG1 was the dominant anti-MuSK Ig isotype in both sera and neuromuscular junctions. Moreover, MuSK immunized IgG1 knockout mice showed very low serum MuSK-antibody levels. Sera and MuSK-stimulated lymph node cell supernatants of MuSK immunized mice showed significantly higher levels of IL-4 and IL-10 (but not IFN-gamma and IL-12), than those of CFA immunized mice. Our results suggest that through activation of Th2-type cells, anti-MuSK immunity promotes production of IL-4, which in turn activates anti-MuSK IgG1, the mouse analog of human IgG4. These findings might provide clues for the pathogenesis of other IgG4-related diseases as well as development of disease specific treatment methods (e.g. specific IgG4 inhibitors) for MuSK-related MG. (c) 2014 Elsevier Inc. All rights reserved.", "doi": "10.1016/j.clim.2014.02.012", "has_grant": false, "journal": { "issue": "2", "pages": "155-163", "title": "CLINICAL IMMUNOLOGY", "volume": "151" }, "license": { "id": "cc-by" }, "publication_date": "2014-01-01", "relations": { "version": [ { "count": 1, "index": 0, "is_last": true, "last_child": { "pid_type": "recid", "pid_value": "63409" }, "parent": { "pid_type": "recid", "pid_value": "63408" } } ] }, "resource_type": { "subtype": "article", "title": "Dergi makalesi", "type": "publication" }, "title": "Preferential production of IgG1, IL-4 and IL-10 in MuSK-immunized mice" }, "owners": [ 1 ], "revision": 1, "stats": { "downloads": 4.0, "unique_downloads": 4.0, "unique_views": 14.0, "version_downloads": 4.0, "version_unique_downloads": 4.0, "version_unique_views": 14.0, "version_views": 15.0, "version_volume": 1332.0, "views": 15.0, "volume": 1332.0 }, "updated": "2021-03-16T01:40:01.202633+00:00" }
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