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Stephens et al (2009) EJI Vol 39 p1108.pdf821.74 kBAdobe PDFView/Open
Title: Curing CNS autoimmune disease with myelin-reactive Foxp3+ Treg.
Authors: Stephens LA
Malpass KH
Anderton SM
Issue Date: 2009
Citation: Stephens LA, Malpass KH, Anderton SM. (2009 Apr) Curing CNS autoimmune disease with myelin-reactive Foxp3+ Treg., Eur J Immunol. 39 (4) 1108-17
Abstract: The potential use of CD4(+)Foxp3(+) Treg as a cellular therapy for autoimmune disease is of great interest. For clinical translation, the key objective is to reverse established disease. Here we demonstrate that myelin basic protein (MBP)-reactive CD4(+)CD25(+) Treg from TCR Tg mice, but not polyclonal (non-MBP-reactive) Treg, can transfer efficient protection against MBP-induced EAE when used either directly from donor mice, or after in vitro expansion. MBP-reactive Treg transfer also showed some ability to improve recovery from EAE initiated by T cells recognizing a distinct CNS autoantigen, proteolipid protein. Importantly, we also demonstrate for the first time in the context of EAE that in vitro-expanded naturally occurring MBP-reactive Treg can prevent disease relapse when given after the onset of clinical EAE. Our study also contains data pertaining to the most effective Treg sub-population in vivo (CD4(+)CD25(+)CD62L(hi)) and shows that their potent suppressive effects reflect stable expression of Foxp3, although not CD25 or CD62L. Our data provide proof of the principle that Treg-based therapies can cure CNS autoimmune disease, highlight the challenges for clinical translation and open new avenues for assessing how changing immune function via Treg activity might impact on neurodegeneration and repair.
ISSN: n/a
Appears in Collections:Biological Sciences publications

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