Author(s): Kantengwa S, Weber MS, Juillard C, Benkhoucha M, Fellay B,
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Abstract We investigated whether glatiramer acetate (GA) treatment may affect Th1 differentiation at various T-cell maturation stages. Specifically, we analyzed the effect of in vivo GA treatment on intracellular synthesis of IL-2 and TNF-alpha by naive, memory and effector CD4(+) and CD8(+) T cells by five-colour flow cytometry. Our data indicate that GA treatment downregulates/normalizes an accelerated Th1 differentiation of CD4(+) T cells in RRMS patients at all stages of T-cell maturation. Most notably, we conclude that, by altering naive, unprimed CD4(+) T cells, GA treatment appears to affect T-cell differentiation, at least in part, in an antigen-independent manner.
This article was published in J Neuroimmunol
and referenced in Neurochemistry & Neuropharmacology