Related Experiment Videos
Interleukin-2 secreting cells in multiple sclerosis and controls
C Z Lu1, S Fredrikson, B G Xiao
1Department of Neurology, Karolinska Institutet, Huddinge Hospital, Stockholm, Sweden.
Journal of the Neurological Sciences
|December 1, 1993
Summary
Multiple sclerosis (MS) patients show heightened T cell reactivity to myelin antigens like MAG and MOG. This systemic immune response in MS is broad, targeting multiple self-antigens.
Area of Science:
- Neuroimmunology
- Autoimmunity
Background:
- Multiple sclerosis (MS) is an autoimmune disease affecting the central nervous system.
- Understanding T cell responses to autoantigens is crucial for MS pathogenesis.
Purpose of the Study:
- To investigate systemic T cell activation and reactivity against specific autoantigens in MS patients.
- To compare T cell responses in MS to those in acute aseptic meningitis (AM) and tension headache (TH).
Main Methods:
- Quantified interleukin-2 (IL-2) secreting cells in peripheral blood from MS, AM, and TH patients.
- Stimulated cells with myelin antigens: myelin basic protein (MBP), proteolipid protein (PLP), myelin-associated glycoprotein (MAG), and myelin oligodendrocyte glycoprotein (MOG), and acetylcholine receptor (AChR).
Main Results:
- MS patients exhibited higher IL-2 secreting cell numbers in response to PLP, MAG, and MOG compared to AM + TH groups.
- A significant difference was observed in MAG response between MS and AM patients.
- Broad T cell reactivity against multiple myelin antigens was prevalent in MS patients but absent in controls.
Conclusions:
- Systemic T cell responses in MS are directed against several myelin autoantigens.
- The findings suggest a role for T cell autoimmunity in the systemic immune dysregulation of MS.