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Peer-reviewed veterinary case report

Phenytoin at optimum doses ameliorates experimental autoimmune encephalomyelitis via modulation of immunoregulatory cells.

Journal:
Journal of neuroimmunology
Year:
2011
Authors:
Hashiba, Naomi et al.
Affiliation:
Department of Neurology · Japan

Abstract

We investigated the optimum doses of phenytoin for treatment of myelin oligodendrocyte glycoprotein-induced experimental autoimmune encephalomyelitis (EAE). Oral and intraperitoneal administrations of 0.25 to 1.0mg per mouse (12.5-50mg/kg) 3 times a week improved the clinical course. Intraperitoneal injections of 1.0mg phenytoin were the most effective, as a significant reduction in EAE severity was seen after only 2 administrations with that protocol. Treatment efficacy was associated with amelioration of cellular infiltrates in the CNS, and an increase in CD4(+)Foxp3(+) and CD4(+)CD25(+)CD127(-) regulatory T cells as well as CD8(+) suppressor/cytotoxic T cells in blood.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/21237519/