Related Experiment Video
Updated: Oct 19, 2026
Experimental Demyelination and Remyelination of Murine Spinal Cord by Focal Injection of Lysolecithin
Published on: March 26, 2015
Increased frequency of recognition of delipidated versus intact CNS myelin in multiple sclerosis and control subjects
J L Trotter1, T L Keadle, J M Lauber
1Department of Neurology and Neurosurgery, Washington University School of Medicine, St. Louis, MO 63110, USA. trotterj@neuro.wustl.edu
Abstract:
The proliferative response of mononuclear cells from MS patients and normal control subjects to intact and delipidated myelin membranes was examined. The mean frequency of recognition in both groups of human subjects was greater for delipidated myelin than for intact myelin. Human T cell lines established using intact or delipidated myelin as the antigen were highly heterogeneous in response, and were each able to recognize myelin basic protein and myelin proteolipid protein peptides. However, there was no difference in the frequency of recognition of either form of myelin membrane when MS patients were compared to control subjects. Our results suggest that the presentation of delipidated forms of membrane proteins might enhance the response to myelin antigens in vivo, and be relevant to demyelinating diseases.
Insights
Delipidated myelin membranes enhanced immune cell responses in both multiple sclerosis (MS) patients and controls. This suggests altered myelin presentation may be relevant in demyelinating diseases.
Area of Science:
- Neuroimmunology
- Cellular immunology
Background:
- Multiple Sclerosis (MS) is a demyelinating disease of the central nervous system.
- The immune system's response to myelin antigens is central to MS pathogenesis.
- Understanding myelin-immune cell interactions is crucial for developing new therapies.
Purpose of the Study:
- To investigate the proliferative response of mononuclear cells to intact versus delipidated myelin membranes.
- To compare these responses between patients with MS and healthy controls.
- To characterize T cell line recognition of myelin antigens.
Main Methods:
- Isolation and stimulation of mononuclear cells from MS patients and controls.
- Use of intact and delipidated myelin membranes as antigens.
- Establishment and analysis of human T cell lines.
- Assessment of T cell recognition of myelin basic protein and myelin proteolipid protein peptides.
Main Results:
- Delipidated myelin membranes elicited a greater proliferative response than intact myelin in both MS patients and controls.
- Established T cell lines showed heterogeneous responses but recognized myelin basic protein and myelin proteolipid protein peptides.
- No significant difference in myelin membrane recognition frequency was observed between MS patients and control subjects.
Conclusions:
- The presentation of delipidated myelin proteins may enhance immune responses to myelin antigens in vivo.
- These findings could have implications for understanding and treating demyelinating diseases like MS.
- Further research into altered myelin antigen presentation in MS is warranted.
