Analysis of plasma and CSF IL-21 in MS patients before and after treatment.

<p>The levels of plasma and CSF IL-21 in individual subjects were tested by ELISA. (A) The levels of plasma IL-21 in the HC, MS patients pre- and post-treatment. (B) The levels of plasma IL-21 in the MS-CR patients pre- and post- treatment. (C) The levels of plasma IL-21 in the MS-PR patients pre- and post- treatment. (D) The levels of CSF IL-21 in the MS patients pre-treatment and NND patients. Data are expressed as the mean values of individual samples. The horizontal lines represented the median values.