Th17 expansion in MS patients is counterbalanced by an expanded CD39+ regulatory T cell population during remission but not during relapse. Peelen E, Damoiseaux J, Smolders J, Knippenberg S, Menheere P, Cohen Tervaert J W, Hupperts R, Thewissen M J Neuroimmunol. 2011 Dec 15; 240-241:97-103. PMID: 22035960. Abstract CommentRecommendBookmarkWatch