Glatiramer acetate for treatment of MS: regulatory B cells join the cast of players.

Glatiramer acetate for treatment of MS: regulatory B cells join the cast of players.
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DOI:
10.1016/j.expneurol.2010.10.009
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发表时间:
2011-01
影响因子:
5.3
通讯作者:
Van Kaer, Luc
Van Kaer, Luc
中科院分区:
医学2区
文献类型:
--
作者:
Van Kaer, Luc

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Glatiramer醋酸酯(GA,共聚物-1,Copaxone®)是美国食品和药物管理局(FDA)批准的治疗复发-缓解型多发性硬化症(MS)的药物。然而,其作用机制仍不明确。现有证据表明,GA可诱导具有抗炎特性的抗原提呈细胞,并促进免疫调节性T细胞的产生,从而抑制致病T细胞。Kala等人的一项新研究。(实验神经。2010年。221,136-145)现在表明,B淋巴细胞以其抗体分泌特性而闻名,它有助于GA对抗实验性自身免疫性脑脊髓炎(EAE)的有益效果,这是MS的动物模型。本文从MS和EAE的发病机制、B细胞在自身免疫中新出现的免疫调节作用以及B细胞作为免疫治疗靶点在MS中的相关性等方面讨论了这些新发现。
Glatiramer acetate (GA, copolymer-1, Copaxone®) is a Food and Drug Administration-approved drug for the treatment of relapsing-remitting multiple sclerosis (MS). However, its mechanism of action remains ill-defined. The available evidence indicates that GA induces antigen-presenting cells with anti-inflammatory properties and promotes the generation of immunoregulatory T cells that suppress pathogenic T cells. A new study by Kala et al. (Exp. Neurol. 2010. 221, 136–145) now shows that B lymphocytes, which are best known for their antibody-secreting properties, contribute to the beneficial effects of GA against experimental autoimmune encephalomyelitis (EAE), the animal model of MS. This commentary discusses these new findings in the context of the pathogenesis of MS and EAE, the emerging immunoregulatory role of B cells in autoimmunity, and the relevance of B cells as targets for immunotherapy in MS.
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