期刊
CELLULAR AND MOLECULAR NEUROBIOLOGY
卷 34, 期 8, 页码 1087-1096出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10571-014-0100-7
关键词
Human endogenous retrovirus (HERV); Envelope protein; Superantigen; Multiple sclerosis; Pathogenesis; Therapy
资金
- Wilhelm-Roux program of the University of Halle-Wittenberg [FKZ 21/22, FKZ 25/28, FKZ 25/22]
- Novartis Pharma GmbH
The pathogenesis of multiple sclerosis (MS) is as yet unknown. Commonly, MS is assumed to be due to an autoimmune inflammation of the central nervous system (CNS). Neurodegeneration is regarded to be a secondary reaction. This concept is increasingly being challenged. Human endogenous retroviruses (HERV) that could be locally activated in the CNS have been proposed as an alternative concept. HERV-encoded envelope proteins (env) can act as strong immune stimulators (superantigens). Thus, slow disease progression following neurodegeneration might be induced by re-activation of HERV expression directly, while relapses in parallel to inflammation might be secondary to the expression of HERV-encoded superantigens. It has been shown previously that T-cell superantigens are capable to induce a cellular inflammatory reaction in the CNS of experimental animals similar to that in MS. Furthermore, B-cell superantigens have been shown to activate blood leucocytes in vitro to produce immunoglobulin in an oligoclonal manner. It remains to be established, whether the outlined hypothesis accords with all known features of MS. Furthermore, anti-HERV agents may be taken into consideration to enrich and improve MS therapy.
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