Abstract:
:Recombinant T cell ligands (RTLs) ameliorate experimental autoimmune encephalomyelitis (EAE) in an antigen-specific manner. We evaluated effects of RTL401 (I-A(s) alpha1beta1+PLP-139-151) on splenocytes from SJL/J mice with EAE to study RTL-T cell tolerance-inducing mechanisms. RTLs bound to B, macrophages and DCs, through RTL-MHC-alpha1beta1 moiety. RTL binding reduced CD11b expression on splenic macrophages/DC, and RTL401-conditioned macrophages/DC, not B cells, inhibited T cell activation. Reduced ability of RTL- incubated splenocytes to transfer EAE was likely mediated through macrophages/DC, since B cells were unnecessary for RTL treatment of EAE. These results demonstrate a novel pathway of T cell regulation by RTL-bound APCs.
journal_name
J Neuroimmunoljournal_title
Journal of neuroimmunologyauthors
Sinha S,Miller L,Subramanian S,McCarty OJ,Proctor T,Meza-Romero R,Huan J,Burrows GG,Vandenbark AA,Offner Hdoi
10.1016/j.jneuroim.2010.04.013subject
Has Abstractpub_date
2010-08-25 00:00:00pages
52-61issue
1-2eissn
0165-5728issn
1872-8421pii
S0165-5728(10)00173-6journal_volume
225pub_type
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