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Monocyte defect causes decreased autoMLR in multiple sclerosis patients
C N Baxevanis1, G J Reclos, P Arsenis
1Department of Immunology, Hellenic Anticancer Institute, Athens.
Advances in Experimental Medicine and Biology
|January 1, 1988
Summary
Peripheral blood monocytes in multiple sclerosis (MS) patients show a defect in stimulating T lymphocytes, correlating with disease activity. This study confirms this monocyte defect causes reduced T4+ cell proliferation in the autologous mixed lymphocyte reaction.
Area of Science:
- Immunology
- Neuroimmunology
- Cell Biology
Background:
- Peripheral blood monocytes from multiple sclerosis (MS) patients exhibit impaired T lymphocyte stimulation.
- This monocyte dysfunction is linked to MS disease activity.
Purpose of the Study:
- To investigate the proliferative response of T4+ cells from MS patients in the autologous mixed lymphocyte reaction (autoMLR).
- To establish the causal link between monocyte functional defects and reduced T4+ cell proliferation in MS.
Main Methods:
- Analysis of T4+ cell proliferation in MS patients within the autologous mixed lymphocyte reaction (autoMLR).
- Assessment of monocyte stimulatory capacity in patients with multiple sclerosis.
Main Results:
- T4+ cells from MS patients demonstrated weak proliferation in the autologous mixed lymphocyte reaction (autoMLR).
- Direct evidence was obtained showing that the depressed T4+ cell proliferation is a consequence of the defective monocyte stimulatory function.
Conclusions:
- The impaired T4+ cell proliferation observed in multiple sclerosis patients during the autoMLR is directly attributable to a functional defect in peripheral blood monocytes.
- This finding elucidates a key immunoregulatory abnormality in MS, linking monocyte dysfunction to T cell response deficits.