Abstract:
:The use of autoantigen-specific regulatory T cells (Tregs) as a cellular therapy for autoimmune diseases is appealing. However, it is challenging to isolate and expand large quantity of Tregs expressing disease-relevant T-cell receptors (TCR). To overcome this problem, we used an approach aiming at redirecting the specificity of polyclonal Tregs through autoreactive TCR gene transfer technology. In this study, we examined whether Tregs engineered through retroviral transduction to express a TCR cross-reactive to two CNS autoantigens, myelin oligodendrocyte glycoprotein (MOG) and neurofilament-medium (NF-M), had a superior protective efficacy compared with Tregs expressing a MOG mono-specific TCR. We observed that engineered Tregs (engTregs) exhibited in vitro regulatory effects related to the antigenic specificity of the introduced TCR, and commensurate in potency with the avidity of the transduced TCR. In experimental autoimmune encephalomyelitis (EAE), adoptively transferred engTregs proliferated, and migrated to the CNS, while retaining FoxP3 expression. EngTregs expressing MOG/NF-M cross-reactive TCR had superior protective properties over engTregs expressing MOG-specific TCR in MOG-induced EAE. Remarkably, MOG/NF-M bi-specific TCR-engTregs also improved recovery from EAE induced by an unrelated CNS autoantigen, proteolipid protein (PLP). This study underlines the benefit of using TCRs cross-reacting towards multiple autoantigens, compared with mono-reactive TCR, for the generation of engTregs affording protection from autoimmune disease in adoptive cell therapy.
journal_name
J Autoimmunjournal_title
Journal of autoimmunityauthors
Malviya M,Saoudi A,Bauer J,Fillatreau S,Liblau Rdoi
10.1016/j.jaut.2020.102401subject
Has Abstractpub_date
2020-03-01 00:00:00pages
102401eissn
0896-8411issn
1095-9157pii
S0896-8411(19)30833-9journal_volume
108pub_type
杂志文章abstract::Peripheral T cells can be polarized towards type 1 or type 2 cytokine immune responses during TCR engagement. Because T cell selection by peptide plus self-MHC in the thymus requires TCR engagement, we hypothesized that type 1 cytokines may polarize developing T cells. We cultured thymi from BBDR rats in adult thymus ...
journal_title:Journal of autoimmunity
pub_type: 杂志文章
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journal_title:Journal of autoimmunity
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journal_title:Journal of autoimmunity
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/j.jaut.2006.03.003
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journal_title:Journal of autoimmunity
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更新日期:1994-12-01 00:00:00
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pub_type: 杂志文章
doi:10.1016/j.jaut.2015.07.006
更新日期:2015-09-01 00:00:00
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pub_type: 杂志文章,评审
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
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journal_title:Journal of autoimmunity
pub_type: 杂志文章,评审
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/j.jaut.2017.04.006
更新日期:2017-07-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章,评审
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abstract::Several polymorphisms of the insulin gene and its flanking regions (INS region) are in linkage disequilibrium and confer susceptibility to insulin-dependent diabetes (IDDM). We have analysed INS AA and AB-BB genotypes at the 1,428 FokI site (3' of the insulin gene) in 217 patients with IDDM, 402 non-diabetic first deg...
journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1006/jaut.1994.1053
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/j.jaut.2006.09.005
更新日期:2006-11-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章,meta分析,评审
doi:10.1016/j.jaut.2019.04.005
更新日期:2019-07-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章,评审
doi:10.1016/j.jaut.2012.09.002
更新日期:2012-12-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:
更新日期:1992-02-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1006/jaut.2000.0438
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pub_type: 杂志文章
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pub_type: 杂志文章,多中心研究
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更新日期:2003-05-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/j.jaut.2004.01.004
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pub_type: 杂志文章
doi:10.1016/j.jaut.2013.12.007
更新日期:2014-08-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/j.jaut.2019.03.001
更新日期:2019-06-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/j.jaut.2014.01.002
更新日期:2014-05-01 00:00:00
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journal_title:Journal of autoimmunity
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doi:10.1006/jaut.1994.1017
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1006/jaut.1994.1067
更新日期:1994-12-01 00:00:00
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journal_title:Journal of autoimmunity
pub_type: 杂志文章,评审
doi:10.1016/j.jaut.2018.10.007
更新日期:2018-12-01 00:00:00
abstract::Class II antigens of the major histocompatibility complex (MHC) have a well-defined role in restricting cellular interactions and presenting processed antigen to T cells. In addition, a fundamental role for Class II antigens in cellular activation has been suggested, following studies demonstrating that Class II antig...
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pub_type: 杂志文章
doi:10.1016/0896-8411(89)90133-9
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