Abstract
CD4 +CD25 − T cells from 25 Guillain-Barré syndrome (GBS) patients were stimulated by IFN-γ to generate the induced CD4 +CD25 + regulatory T cells (iTregs). Then, their phenotypical and functional characterizations were analyzed. Results show that iTregs can be generated from CD4 +CD25 − T cells in GBS patients by IFN-γ in the presence of activating anti-CD3 and anti-CD28 antibodies in vitro. When CD4 +CD25 − T cells are stimulated by 40 ng/ml IFN-γ for 3 days, the ratio of conversion is the highest under this condition and iTregs are similar to naturally occurring CD4 +CD25 + regulatory T cells of healthy donors phenotypically and functionally.
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