Journal
JOURNAL OF NEUROIMMUNOLOGY
Volume 140, Issue 1-2, Pages 198-209Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0165-5728(03)00204-2
Keywords
clinically isolated syndromes; multiple sclerosis; adhesion molecules; matrix metalloprotemases; autoimmunity
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Thirty patients with clinically isolated syndromes (CIS) were evaluated at the onset of neurological symptoms and when they developed clinically definite MS (CDMS). Surface expression of LFA-1alpha, VLA-4 and intercellular adhesion molecule-1 (ICAM-1) on PBMC and CSF cells was evaluated using flow cytometry. Serum and CSF concentrations of soluble vascular cell adhesion molecules-1 (VCAM-1), ICAM-1 and E-Selectin, as well as MMP-9 and MMP-2 serum concentrations were assayed using ELISA. Surface expression of LFA-1alpha and VLA-4 molecules on peripheral blood and CSF T cells and monocytes from CIS and CDMS was significantly increased compared with control subjects. Moreover, LFA-1alpha and VLA-4 expression was significantly higher in patients who developed CDMS compared with those with CIS. Similar changes were observed in the serum levels of MMP-9. Furthermore, patients with CIS and CDMS had significantly higher levels of CSF sVCAM and s-E-Selectin than control subjects. These data suggest that VLA-4, LFA-1alpha and MMP-9 play a leading role in the evolution of inflammatory demyelinating lesions in patients with CIS who develop CDMS. (C) 2003 Elsevier B.V. All rights reserved.
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