Fig. 2

DPPX antibodies as detected by a cell-based fluorescence assay.Positive reaction with transfected HEK293 cells expressing DPPX after incubation with the patient’s CSF (A) (titer 1:1) and patient’s serum (B) (titer 1:32) before immunotherapy. Figures C and D were synchronous negative and positive controls, respectively. No DPPX antibodies were detected in the patient’s CSF (E) and blood (F) 20 days after immunotherapy