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Intrathecal anti-CD20 efficiently depletes meningeal B cells in CNS autoimmunity.


ABSTRACT: Clinical trials revealed that systemic administration of B-cell-depleting anti-CD20 antibodies can hold lesion formation in the early relapsing-remitting phase of multiple sclerosis (MS). Throughout the secondary-progressive (SP) course of MS, pathogenic B cells may, however, progressively replicate within the central nervous system (CNS) itself, which is largely inaccessible to systemic anti-CD20 treatment. Utilizing the murine MS model of experimental autoimmune encephalomyelitis, we show that intrathecal (i.t.) administration of anti-CD20 alone very efficiently depletes meningeal B cells from established CNS lesions. In SP-MS patients, adding i.t. administration of anti-CD20 to its systemic use may be a valuable strategy to target pathogenic B-cell function.

SUBMITTER: Lehmann-Horn K 

PROVIDER: S-EPMC4184778 | biostudies-literature | 2014 Jul

REPOSITORIES: biostudies-literature

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Intrathecal anti-CD20 efficiently depletes meningeal B cells in CNS autoimmunity.

Lehmann-Horn Klaus K   Kinzel Silke S   Feldmann Linda L   Radelfahr Florentine F   Hemmer Bernhard B   Traffehn Sarah S   Bernard Claude C A CC   Stadelmann Christine C   Brück Wolfgang W   Weber Martin S MS  

Annals of clinical and translational neurology 20140703 7


Clinical trials revealed that systemic administration of B-cell-depleting anti-CD20 antibodies can hold lesion formation in the early relapsing-remitting phase of multiple sclerosis (MS). Throughout the secondary-progressive (SP) course of MS, pathogenic B cells may, however, progressively replicate within the central nervous system (CNS) itself, which is largely inaccessible to systemic anti-CD20 treatment. Utilizing the murine MS model of experimental autoimmune encephalomyelitis, we show that  ...[more]

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