CXCL13 is a biomarker of inflammation in multiple sclerosis, neuromyelitis optica, and other neurological conditions. Alvarez E, Piccio L, Mikesell RJ, Klawiter EC, Parks BJ, Naismith RT, Cross AH Mult Scler. 2013 Jan 15. PMID: 23322500. Abstract CommentRecommendBookmarkWatch