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Antigen‐specific adaptive immune responses in fingolimod‐treated multiple sclerosis patients

2010; Wiley; Volume: 69; Issue: 2 Linguagem: Inglês

10.1002/ana.22352

1531-8249

Matthias Mehling, Patricia Hilbert, Stefanie Fritz, Bojana Müller-Durovic, Dominik Eichin, Olivier Gasser, Jens Kühle, Thomas Klimkait, Raija L.P. Lindberg, Ludwig Kappos, Christoph Hess,

Inflammasome and immune disorders

T cells exit secondary lymphoid organs along a sphingosine1-phosphate (S1P) gradient and, accordingly, are reduced in blood upon fingolimod-mediated S1P-receptor (S1PR)-blockade. Serving as a model of adaptive immunity, we characterized cellular and humoral immune responses to influenza vaccine in fingolimod-treated patients with multiple sclerosis (MS) and in untreated healthy controls. Although the mode of action of fingolimod might predict reduced immunity, vaccine-triggered T cells accumulated normally in blood despite efficient S1PR-blockade. Concentrations of anti-influenza A/B immunoglobulin (Ig)M and IgG also increased similarly in both groups. These results indicate that fingolimod-treated individuals can mount vaccine-specific adaptive immune responses comparable to healthy controls.