Editors' Pick Plasma osteopontin levels are associated with disease activity in the patients with multiple sclerosis and neuromyelitis optica. Shimizu Y, Ota K, Ikeguchi R, Kubo S, Kabasawa C, Uchiyama S J Neuroimmunol. 2013 Jul 30. PMID: 23910387. Abstract CommentRecommendBookmarkWatch