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Heterologous Cytomegalovirus and Allo-Reactivity by Shared T Cell Receptor Repertoire in Kidney Transplantation
L. Stranavova, O. Pelak, M. Svaton, P. Hruba, E. Fronkova, A. Slavcev, K. Osickova, J. Maluskova, P. Hubacek, J. Fronek, P. Reinke, HD. Volk, T. Kalina, O. Viklicky,
Jazyk angličtina Země Švýcarsko
Typ dokumentu klinické zkoušky, časopisecké články, pozorovací studie, práce podpořená grantem
Free Medical Journals od 2010
PubMed Central od 2010
Europe PubMed Central od 2010
Open Access Digital Library od 2010-01-01
Open Access Digital Library od 2010-01-01
ROAD: Directory of Open Access Scholarly Resources od 2010
Odkazy
PubMed
31736968
DOI
10.3389/fimmu.2019.02549
Knihovny.cz E-zdroje
- MeSH
- alografty MeSH
- biopsie MeSH
- cytomegalovirové infekce * etiologie genetika imunologie patologie MeSH
- Cytomegalovirus imunologie MeSH
- dospělí MeSH
- imunologická paměť * MeSH
- isoantigeny genetika imunologie MeSH
- kohortové studie MeSH
- lidé středního věku MeSH
- lidé MeSH
- receptory antigenů T-buněk alfa-beta * imunologie MeSH
- T-lymfocyty * mikrobiologie patologie MeSH
- transplantace ledvin * MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- klinické zkoušky MeSH
- pozorovací studie MeSH
- práce podpořená grantem MeSH
Cytomegalovirus (CMV) infection is associated with allograft rejection but the mechanisms behind are poorly defined yet. Although cross-reactivity of T cells to alloantigen and CMV has been hypothesized, direct evidence in patients is lacking. In this observational cohort study, we tested the pre-transplant effector/memory T cell response to CMV peptide pools and alloantigen in 78 living donor/recipient pairs using the interferon-gamma Enzyme-Linked ImmunoSpot (ELISPOT) assay. To prove the hypothesis of cross-reactivity, we analyzed by applying next-generation sequencing the T cell receptor ß (TCR- ß) repertoire of CMV- and alloantigen-reactive T cells enriched from peripheral pre-transplant blood of 11 CMV-seropositive and HLA class I mismatched patients. Moreover, the TCR-repertoire was also analyzed in the allograft biopsies of those patients. There was a significant association between the presence of pre-transplant CMV immediate-early protein 1 (IE-1)-specific effector/memory T cells and acute renal allograft rejection and function (p = 0.01). Most importantly, we revealed shared TCR-ß sequences between CMV-IE1 and donor alloantigen-reactive T cells in all pre-transplant peripheral blood samples analyzed in CMV-seropositive patients who received HLA class I mismatched grafts. Identical TCR sequences were also found in particular in post-transplant allograft biopsies of patients with concomitant CMV infection and rejection. Our data show the presence of functional, cross-reactive T cells and their clonotypes in peripheral blood and in kidney allograft tissue. It is therefore likely that CMV-donor cross-reactivity as well as CMV specific T cell elicited inflammation is involved in the processes that affect allograft outcomes.
Department of Immunogenetics Institute for Clinical and Experimental Medicine Prague Czechia
Department of Transplant Surgery Institute for Clinical and Experimental Medicine Prague Czechia
Transplant Laboratory Institute for Clinical and Experimental Medicine Prague Czechia
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