Figure 4 Venn diagram for B-cell Sup proteins compared with proteins from exosome-enriched fractions from a human B-cell line Venn diagram for B-cell Sup proteins compared with proteins from exosome-enriched fractions from a human B-cell line (A) Venn diagram. (B) The chart shows examples of representative proteins and groups of proteins from the 219 proteins common to both the B-cell Sup proteins and the exosome-enriched fractions from the human B-cell line,10 including both common exosomal markers and B cell–enriched proteins (*). Joyce A. Benjamins et al. Neurol Neuroimmunol Neuroinflamm 2019;6:e550 Copyright © 2019 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the American Academy of Neurology.