In vitro Th2 deviation of myelin-specific peripheral blood lymphocytes from patients with multiple sclerosis

• This study aimed at investigating if selective ex vivo immune deviation of myelin-specific cytokine secretion towards Th2 is possible in blood cells from patients with multiple sclerosis (MS). Interleukin (IL)-4 (Th2) and interferon-γ (Th1) secreting cells were recorded by ELISPOT in 13 MS patients. Deviation was successful in 10 patients. Interleukin-4 alone was most effective in inducing myelin-specific immune deviation in MS patients whereas IL-1 or IL-15 in combination with IL-4 did not improve the results. Further studies and improvements are needed before ex vivo immune deviation can be considered a potential treatment in patients with MS. © 2005 Elsevier B.V. All rights reserved.

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