دورية أكاديمية
Resilience of T cell-intrinsic dysfunction in transplantation tolerance.
العنوان: | Resilience of T cell-intrinsic dysfunction in transplantation tolerance. |
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المؤلفون: | Miller ML; Department of Medicine, Section of Rheumatology, The University of Chicago, Chicago, IL 60637., McIntosh CM; Department of Medicine, Section of Rheumatology, The University of Chicago, Chicago, IL 60637., Wang Y; Department of Medicine, Section of Rheumatology, The University of Chicago, Chicago, IL 60637., Chen L; Department of Medicine, Section of Rheumatology, The University of Chicago, Chicago, IL 60637., Wang P; Department of Medicine, Section of Rheumatology, The University of Chicago, Chicago, IL 60637., Lei YM; Department of Medicine, Section of Rheumatology, The University of Chicago, Chicago, IL 60637., Daniels MD; Department of Surgery, Section of Transplantation, The University of Chicago, Chicago, IL 60637., Watkins E; Institute for Molecular Engineering, The University of Chicago, Chicago, IL 60637., Mora Solano C; Department of Surgery, Section of Transplantation, The University of Chicago, Chicago, IL 60637., Chong AS; Department of Surgery, Section of Transplantation, The University of Chicago, Chicago, IL 60637., Alegre ML; Department of Medicine, Section of Rheumatology, The University of Chicago, Chicago, IL 60637; malegre@midway.uchicago.edu. |
المصدر: | Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 2019 Nov 19; Vol. 116 (47), pp. 23682-23690. Date of Electronic Publication: 2019 Nov 04. |
نوع المنشور: | Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't |
اللغة: | English |
بيانات الدورية: | Publisher: National Academy of Sciences Country of Publication: United States NLM ID: 7505876 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1091-6490 (Electronic) Linking ISSN: 00278424 NLM ISO Abbreviation: Proc Natl Acad Sci U S A Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: Washington, DC : National Academy of Sciences |
مواضيع طبية MeSH: | Transplantation Immunology*, Graft Survival/*immunology , Immune Tolerance/*immunology , T-Lymphocyte Subsets/*immunology, Allografts ; Animals ; CD4-Positive T-Lymphocytes/immunology ; CD4-Positive T-Lymphocytes/transplantation ; Forkhead Transcription Factors/analysis ; Genes, Reporter ; Graft Rejection/immunology ; H-2 Antigens/immunology ; Heart Transplantation ; Histocompatibility Antigens Class II/immunology ; Immunologic Memory ; Isoantigens/immunology ; Listeria monocytogenes ; Listeriosis/immunology ; Lymphocyte Transfusion ; Mice ; Mice, Congenic ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Postoperative Complications/immunology ; T-Lymphocytes, Regulatory/immunology ; Tissue Donors |
مستخلص: | Following antigen stimulation, naïve T cells differentiate into memory cells that mediate antigen clearance more efficiently upon repeat encounter. Donor-specific tolerance can be achieved in a subset of transplant recipients, but some of these grafts are rejected after years of stability, often following infections. Whether T cell memory can develop from a tolerant state and whether these formerly tolerant patients develop antidonor memory is not known. Using a mouse model of cardiac transplantation in which donor-specific tolerance is induced with costimulation blockade (CoB) plus donor-specific transfusion (DST), we have previously shown that systemic infection with Listeria monocytogenes (Lm) months after transplantation can erode or transiently abrogate established tolerance. In this study, we tracked donor-reactive T cells to investigate whether memory can be induced when alloreactive T cells are activated in the setting of tolerance. We show alloreactive T cells persist after induction of cardiac transplantation tolerance, but fail to acquire a memory phenotype despite becoming antigen experienced. Instead, donor-reactive T cells develop T cell-intrinsic dysfunction evidenced when removed from the tolerant environment. Notably, Lm infection after tolerance did not rescue alloreactive T cell memory differentiation or functionality. CoB and antigen persistence were sufficient together but not separately to achieve alloreactive T cell dysfunction, and conventional immunosuppression could substitute for CoB. Antigen persistence was required, as early but not late surgical allograft removal precluded the acquisition of T cell dysfunction. Our results demonstrate transplant tolerance-associated T cell-intrinsic dysfunction that is resistant to memory development even after Lm-mediated disruption of tolerance. Competing Interests: The authors declare no competing interest. |
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معلومات مُعتمدة: | P01 AI097113 United States AI NIAID NIH HHS; T32 HD007009 United States HD NICHD NIH HHS; T32 HL007237 United States HL NHLBI NIH HHS; 56006772 United States HHMI Howard Hughes Medical Institute |
فهرسة مساهمة: | Keywords: T cells; exhaustion; memory; tolerance; transplantation |
المشرفين على المادة: | 0 (Forkhead Transcription Factors) 0 (Foxp3 protein, mouse) 0 (H-2 Antigens) 0 (H-2K(K) antigen) 0 (Histocompatibility Antigens Class II) 0 (I-A(b) antigen, mouse) 0 (Isoantigens) |
تواريخ الأحداث: | Date Created: 20191106 Date Completed: 20200420 Latest Revision: 20210110 |
رمز التحديث: | 20221213 |
مُعرف محوري في PubMed: | PMC6876241 |
DOI: | 10.1073/pnas.1910298116 |
PMID: | 31685610 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1091-6490 |
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DOI: | 10.1073/pnas.1910298116 |