Abstract:
:Ligation of CD27, a member of the tumor necrosis factor (TNF) receptor family, by its ligand CD70 is thought to be important in T cell activation, expansion and survival, B cell activation, and NK cell activation. We examined the role of CD70 in Theiler's murine encephalomyelitis virus-induced demyelinating disease (TMEV-IDD) mice. Blocking of CD70 in effector phase by anti-CD70 monoclonal antibody (mAb) suppressed the development of TMEV-IDD. The number of IFN-gamma- or TNF-alpha-producing cells in the spleen and mRNA levels of IFN-gamma and TNF-alpha in spinal cord were decreased in mice treated with anti-CD70 mAb at the effector phase. In contrast, treatment with anti-CD70 mAb in induction phase failed to reduce these responses, compared to nonspecific IgG-treated control mice. These data suggest that CD70 is critically involved in the pathogenesis of TMEV-IDD and that antibodies against CD70 could be a novel therapeutic approach in the clinical treatment of demyelinating diseases such as human multiple sclerosis.
journal_name
Brain Resjournal_title
Brain researchauthors
Yanagisawa S,Takeichi N,Kaneyama T,Yagita H,Taniguchi S,Kim BS,Koh CSdoi
10.1016/j.brainres.2009.12.058subject
Has Abstractpub_date
2010-03-04 00:00:00pages
236-45eissn
0006-8993issn
1872-6240pii
S0006-8993(09)02756-5journal_volume
1317pub_type
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