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Blimp-1 prolongs allograft survival without regimen via influencing T cell development in favor of regulatory T cells while suppressing Th1.
Wang, Aline Yen Ling; Loh, Charles Yuen Yung; Chen, Shyi-Jou; Kao, Huang-Kai; Lin, Cheng-Hung; Chuang, Sheng-Hao; Lee, Chin-Ming; Sytwu, Huey-Kang; Wei, Fu-Chan.
Afiliación
  • Wang AYL; Center for Vascularized Composite Allotransplantation, Chang Gung Memorial Hospital, Taoyuan, Taiwan. Electronic address: aline2355@yahoo.com.tw.
  • Loh CYY; Division of Surgery and Interventional Science, University College London, London, United Kingdom; St Andrew's Center for Burns and Plastic Surgery, Chelmsford, United Kingdom.
  • Chen SJ; Department of Pediatrics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan; Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan.
  • Kao HK; Department of Plastic Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan.
  • Lin CH; Center for Vascularized Composite Allotransplantation, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Department of Plastic Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan.
  • Chuang SH; Center for Vascularized Composite Allotransplantation, Chang Gung Memorial Hospital, Taoyuan, Taiwan.
  • Lee CM; Department of General Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan.
  • Sytwu HK; Department of Microbiology and Immunology, Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan.
  • Wei FC; Center for Vascularized Composite Allotransplantation, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Department of Plastic Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan; College of Medicine, Chang Gung University, Taoyuan, Taiwan.
Mol Immunol ; 99: 53-65, 2018 07.
Article en En | MEDLINE | ID: mdl-29698799
BACKGROUND: B lymphocyte-induced maturation protein 1 (Blimp-1) transcription factor is expressed in multiple cell lineages and in particular, T cells. However, the role of Blimp-1 in T cell-mediated allograft tolerance is still unknown. METHODS: This study is the first to investigate transplanted skin allograft survival using transgenic (Tg) mice with T cell overexpression of Blimp-1. RESULTS: Without any immunosuppression, fully MHC-mismatched skin allografts on Tg(+) mice had a significantly prolonged survival rate and partial tolerance at 90 days. Allograft lymphocytic infiltration was decreased in Tg(+) mice and a dampened donor-stimulated alloimmune response was seen. An absolute cell number ratio of inflammatory Th1 and Th17 cells against anti-inflammatory regulatory T (Treg) and IL-10-producing T cells, as well as cytolytic proteins, were significantly decreased in lymphoid organs and allograft. Blimp-1 transgenic T cells displayed an increased Treg differentiation capability and enhanced suppression of T cell proliferation. Overexpression of Blimp-1 in T cells promoted the formation of an anti-inflammatory cell-cytokine composition, both systemically and locally via transcription factor modulation such as T-bet downregulation and FoxP3 upregulation. DISCUSSION: As such, allograft survival was made possible due to Th1 suppression and Treg amplification with the creation of an 'allograft protective microenvironment'.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Linfocitos T Reguladores / Células TH1 / Factor 1 de Unión al Dominio 1 de Regulación Positiva / Supervivencia de Injerto Límite: Animals Idioma: En Revista: Mol Immunol Año: 2018 Tipo del documento: Article Pais de publicación: Reino Unido

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Linfocitos T Reguladores / Células TH1 / Factor 1 de Unión al Dominio 1 de Regulación Positiva / Supervivencia de Injerto Límite: Animals Idioma: En Revista: Mol Immunol Año: 2018 Tipo del documento: Article Pais de publicación: Reino Unido