Abstract:
:Intercellular adhesion molecule (ICAM)-1, or CD54, is a member of the immunoglobulin superfamily that binds to lymphocyte function-associated antigen-1 and macrophage-1 antigen. ICAM-1:LFA-1/Mac-1 interaction may be involved in both activation and extravasation of leukocytes. To determine the roles of ICAM-1 in the development of autoimmune disease, we studied experimental autoimmune encephalomyelitis (EAE) in mice deficient in ICAM-1. We found that T cell proliferation and TH1-type cytokine production in response to myelin antigen were significantly reduced in ICAM-1-deficient mice, whereas TH2-type cytokine IL-10 was increased. Unexpectedly, EAE induced by either myelin oligodendrocyte glycoprotein or myelin basic protein was significantly enhanced in mice deficient in ICAM-1. The enhancement was evidenced primarily by the increase in disease severity, mortality, and the degree of central nervous system inflammation. The cellular composition of the inflammatory infiltrates in the central nervous system is similar in control and ICAM-1-deficient mice. These results suggest that (1) ICAM-1 is involved in the activation of autoreactive TH-1, but not TH2 cells, and (2) ICAM-1 plays an important role in down-regulating autoimmune inflammation in the central nervous system.
journal_name
Cell Immunoljournal_title
Cellular immunologyauthors
Samoilova EB,Horton JL,Chen Ydoi
10.1006/cimm.1998.1395subject
Has Abstractpub_date
1998-11-25 00:00:00pages
83-9issue
1eissn
0008-8749issn
1090-2163pii
S0008-8749(98)91395-8journal_volume
190pub_type
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journal_title:Cellular immunology
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