Document Detail


Cerebrospinal fluid CD19(+) B-cell expansion in N-methyl-d-aspartate receptor encephalitis.
MedLine Citation:
PMID:  23151040     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
There is increasing interest in the role of autoantibodies in acquired autoimmune central nervous system disorders. N-methyl-d-aspartate receptor (NMDAR) encephalitis is an autoimmune encephalitis defined by the presence of autoantibodies that bind to the NMDAR. Although there is evidence of NMDAR antibody pathogenicity, it is unclear which treatment results in the best outcome. We measured the proportion of B-cells in the cerebrospinal fluid of two children with NMDAR encephalitis (a 6-year-old male and a 4-year-old female), one in the acute phase and one in the relapsing phase. The proportion of CD19(+) B-cells in both children was greater than 10%, significantly higher than seen in non-inflammatory neurological disorders (<1%). This finding supports the use of drugs, such as rituximab, that deplete B-cells in severe or refractory cases of NMDAR encephalitis, and lends further support to the humoral autoimmune hypothesis in NMDAR encephalitis.
Authors:
Russell C Dale; Sekhar Pillai; Fabienne Brilot
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-14
Journal Detail:
Title:  Developmental medicine and child neurology     Volume:  -     ISSN:  1469-8749     ISO Abbreviation:  Dev Med Child Neurol     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0006761     Medline TA:  Dev Med Child Neurol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© The Authors. Developmental Medicine & Child Neurology © 2012 Mac Keith Press.
Affiliation:
The Neuroimmunology Group, Institute for Neuroscience and Muscle Research, the Kids Research Institute at the Children's Hospital at Westmead, University of Sydney, Sydney, Australia.
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