Editors' Pick Natalizumab treatment decreases serum IgM and IgG levels in multiple sclerosis patients. Selter RC, Biberacher V, Grummel V, Buck D, Eienbröker C, Oertel WH, Berthele A, Tackenberg B, Hemmer B Mult Scler. 2013 Feb 25. Epub 1969 Dec 31. PMID: 23439578. Abstract CommentRecommendBookmarkWatch