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TLR3 signaling-induced interferon-stimulated gene 56 plays a role in the pathogenesis of rheumatoid arthritis.
Ishibashi, Hikaru Kristi; Nakamura, Yuzuru; Saruga, Tatsuro; Imaizumi, Tadaatsu; Kurose, Akira; Kawaguchi, Shogo; Seya, Kazuhiko; Sasaki, Eiji; Ishibashi, Yasuyuki.
Afiliación
  • Ishibashi HK; Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan.
  • Nakamura Y; Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan.
  • Saruga T; Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan.
  • Imaizumi T; Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan.
  • Kurose A; Department of Anatomic Pathology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan.
  • Kawaguchi S; Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan.
  • Seya K; Department of Vascular Biology, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan.
  • Sasaki E; Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan.
  • Ishibashi Y; Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan.
Exp Biol Med (Maywood) ; 249: 10122, 2024.
Article en En | MEDLINE | ID: mdl-38881847
ABSTRACT
Rheumatoid fibroblast-like synoviocytes (RFLS) have an important role in the inflammatory pathogenesis of rheumatoid arthritis (RA). Toll-like receptor 3 (TLR3) is upregulated in RFLS; its activation leads to the production of interferon-ß (IFN-ß), a type I IFN. IFN-stimulated gene 56 (ISG56) is induced by IFN and is involved in innate immune responses; however, its role in RA remains unknown. Therefore, the purpose of this study was to investigate the role of TLR3-induced ISG56 in human RFLS. RFLS were treated with polyinosinic-polycytidylic acid (poly IC), which served as a TLR3 ligand. ISG56, melanoma differentiation-associated gene 5 (MDA5), and C-X-C motif chemokine ligand 10 (CXCL10) expression were measured using quantitative reverse transcription-polymerase chain reaction, western blotting, and enzyme-linked immunosorbent assay. Using immunohistochemistry, we found that ISG56 was expressed in synovial tissues of patients with RA and osteoarthritis. Under poly IC treatment, ISG56 was upregulated in RFLS. In addition, we found that the type I IFN-neutralizing antibody mixture suppressed ISG56 expression. ISG56 knockdown decreased CXCL10 expression and MDA5 knockdown decreased ISG56 expression. In addition, we found that ISG56 was strongly expressed in the synovial cells of patients with RA. TLR3 signaling induced ISG56 expression in RFLS and type I IFN was involved in ISG56 expression. ISG56 was also found to be associated with CXCL10 expression, suggesting that ISG56 may be involved in TLR3/type I IFN/CXCL10 axis, and play a role in RA synovial inflammation.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Artritis Reumatoide / Transducción de Señal / Poli I-C / Receptor Toll-Like 3 / Quimiocina CXCL10 / Sinoviocitos Límite: Humans Idioma: En Revista: Exp Biol Med (Maywood) Asunto de la revista: BIOLOGIA / FISIOLOGIA / MEDICINA Año: 2024 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Suiza
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Artritis Reumatoide / Transducción de Señal / Poli I-C / Receptor Toll-Like 3 / Quimiocina CXCL10 / Sinoviocitos Límite: Humans Idioma: En Revista: Exp Biol Med (Maywood) Asunto de la revista: BIOLOGIA / FISIOLOGIA / MEDICINA Año: 2024 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Suiza