Abstract:
PURPOSE:Multiple sclerosis (MS) is an autoimmune disease of the central nervous system mediated by T cells. B7-H3 plays a diverse role in regulating T cell responses. However, its expression and clinical significance in MS are not well known. This study analyzed the expression of membrane B7-H3 (mB7-H3) and levels of soluble B7-H3 (sB7-H3) in MS patients to determine its clinical significance. METHODS:Peripheral blood (PB) or cerebrospinal fluid (CSF) samples from healthy controls, other noninflammatory neurological disorders, viral encephalitis, and MS patients were collected. Expression of mB7-H3 on immune cells was detected by flow cytometry. Levels of sB7-H3 in serum or CSF samples were measured by ELISA. RESULTS:mB7-H3 expression was up-regulated in CSF from MS patients compared to PB (p<0.001). However, serum or CSF levels of sB7-H3 in MS patients were significantly lower than those in controls (p<0.05). Relapsing-MS patients had higher CSF mB7-H3 expression than the remitting subgroup. Relapsing-MS patients had decreased serum and CSF sB7-H3 levels compared with the remitting subgroup. Neurological deficits showed negative correlations with serum or CSF sB7-H3 levels, but a positive correlation with CSF mB7-H3 expression. Methylprednisolone therapy significantly elevated sB7-H3 levels and reduced mB7-H3 expression compared with pre-therapy levels. sB7-H3 levels did not correlate with mB7-H3 expression. CONCLUSIONS:We demonstrated enhanced mB7-H3 expression and reduced sB7-H3 levels in MS patients which correlated with the clinical characteristics of MS patients. These results suggest that B7-H3 may be a promising biomarker and associated with the pathogenesis of MS.
journal_name
J Clin Immunoljournal_title
Journal of clinical immunologyauthors
Jiang J,Jiang J,Liu C,Zhang G,Gao L,Chen Y,Zhu R,Wang T,Wang F,Zhang X,Xue Qdoi
10.1007/s10875-012-9800-2subject
Has Abstractpub_date
2013-01-01 00:00:00pages
118-26issue
1eissn
0271-9142issn
1573-2592journal_volume
33pub_type
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journal_title:Journal of clinical immunology
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