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Weissert, R; Wiendl, H; Pfrommer, H; Storch, M K; Schreiner, B; Barth, S; Seifert, T; Melms, A; Dichgans, J; Weller, M (2003). Action of treosulfan in myelin-oligodendrocyte-glycoprotein-induced experimental autoimmune encephalomyelitis and human lymphocytes. Journal of Neuroimmunology, 144(1-2):28-37.

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Treosulfan (dihydroxybusulfane, DHB, L-threitol-1,4-bis [methane sulfonate]) is a cytostatic alkylating agent with a favorable profile of side effects. Myelin-oligodendrocyte-glycoprotein (MOG)-induced experimental autoimmune encephalomyelitis (EAE) induced in DA (RT1(av1)) rats resembles multiple sclerosis (MS) in many aspects since central nervous system (CNS) pathology shows inflammation, demyelination and axonal loss. Moreover, DA rats develop a chronic disease course. We here explored the efficacy of treosulfan in the treatment of MOG-induced EAE in DA rats. A single dose of treosulfan (1 g/kg body weight i.p.) at the day of immunization significantly reduced disease severity compared with PBS-treated controls. In addition, after disease had evolved, a single dose of treosulfan (1 g/kg body weight) given i.p. on day 14 post-immunization (p.i.) improved long-term disease outcome. Treatment with treosulfan resulted in reduced mRNA expression of IL-12 and interferon (IFN)-gamma in draining lymph nodes and reduced numbers of IFN-gamma-secreting MOG-specific T cells. No myelosuppression was observed. Treosulfan was applied to different subsets of cultured human blood mononuclear cells in order to asses the effects on human immune cells in vitro: Treosulfan reduced proliferative capacity and increased apoptosis in T cells and antigen-presenting cells. In light of the beneficial effects in EAE in vivo and the in vitro immunosuppressive and pro-apoptotic capacities in cultured human mononuclear immune effector cells, these data may support a potential role of treosulfan, an agent with high immunosuppressive capacity and low toxicity, in the treatment of MS.


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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Psychiatric University Hospital Zurich > Division of Psychiatric Research and Clinic for Psychogeriatric Medicine
Dewey Decimal Classification:610 Medicine & health
Deposited On:13 Sep 2011 14:41
Last Modified:05 Apr 2016 15:00
Publisher DOI:10.1016/j.jneuroim.2003.08.028
PubMed ID:14597095

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