Abstract
We have demonstrated that GA therapy induces a differential upregulation of GA-specific, cytotoxic/suppressor CD8+ T-cell responses in MS patients. We utilized a novel combination of flow sorting and anchored PCR to analyze the evolving clonal composition of GA-specific CD4+ and CD8+ T-cells. TCRβ chain analysis revealed the development of an oligoclonal GA-specific CD8+ repertoire with persistence of dominant clones over long periods. Interestingly, some sequences resembled published oligoclonal CD8+ TCR sequences from MS lesions. In contrast, GA-specific CD4+ responses were polyclonal and showed continual evolution of their repertoire. This clonotypic and functional analysis provides mechanistic insights into GA therapy.
Original language | English |
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Pages (from-to) | 159-171 |
Number of pages | 13 |
Journal | Journal of Neuroimmunology |
Volume | 180 |
Issue number | 1-2 |
DOIs | |
State | Published - Nov 2006 |
Keywords
- CD4
- CD8
- Immunotherapy
- Multiple sclerosis
- T-cells
- TCR