期刊
JOURNAL OF NEUROIMMUNOLOGY
卷 151, 期 1-2, 页码 116-125出版社
ELSEVIER
DOI: 10.1016/j.jneuroim.2004.02.012
关键词
experimental autoimmune encephalomyelitis; multiple sclerosis; inflammation; astrocyte; T cell
VCAM-1 is an adhesion molecule that is important to leukocyte movement across the blood-brain barrier and is involved in the formation of destructive CNS inflammatory lesions in experimental autoimmune encephalomyelitis (EAE) and multiple sclerosis (MS). We examined VCAM-1 expression in the CNS of animals with passively induced EAE and found abundant expression not only on the CNS endothelium but also on astrocytes. We show that tumor necrosis factor receptor-1 (TNFR1) signaling is required for VCAM-1 expression by astrocytes, not the vascular endothelium. In addition, we demonstrate that VCAM-1 expression by astrocytes is crucial for T cell entry into the CNS parenchyma and is required for manifestation of neurological disease. (C) 2004 Elsevier B.V. All rights reserved.
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