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C\u2010X\u2010C motif ligand 13 (<jats:styled-content style=\"fixed-case\">CXCL<\/jats:styled-content>13) and B\u2010cell\u2010activating factor (<jats:styled-content style=\"fixed-case\">BAFF<\/jats:styled-content>) are two crucial factors for antibody production. Relevant studies have focused on the acute phase of <jats:styled-content style=\"fixed-case\">NMO<\/jats:styled-content>. However, <jats:styled-content style=\"fixed-case\">CXCL<\/jats:styled-content>13 and <jats:styled-content style=\"fixed-case\">BAFF<\/jats:styled-content> levels during remission, remain to be elucidated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To evaluate serum levels of <jats:styled-content style=\"fixed-case\">CXCL<\/jats:styled-content>13 and <jats:styled-content style=\"fixed-case\">BAFF<\/jats:styled-content> in <jats:styled-content style=\"fixed-case\">NMO<\/jats:styled-content> and multiple sclerosis (<jats:styled-content style=\"fixed-case\">MS<\/jats:styled-content>) patients during remission and explore their correlation with immunosuppressive agents and clinical features in <jats:styled-content style=\"fixed-case\">NMO<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Serum <jats:styled-content style=\"fixed-case\">CXCL<\/jats:styled-content>13 and <jats:styled-content style=\"fixed-case\">BAFF<\/jats:styled-content> were measured by enzyme\u2010linked immunosorbent assay (<jats:styled-content style=\"fixed-case\">ELISA<\/jats:styled-content>) in <jats:styled-content style=\"fixed-case\">NMO<\/jats:styled-content> patients, <jats:styled-content style=\"fixed-case\">MS<\/jats:styled-content> patients, and controls.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Serum <jats:styled-content style=\"fixed-case\">CXCL<\/jats:styled-content>13 levels of <jats:styled-content style=\"fixed-case\">NMO<\/jats:styled-content> patients (<jats:italic>n\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>24) were significantly higher than those of controls (<jats:italic>n\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>22) (<jats:italic>p\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>.001), but <jats:styled-content style=\"fixed-case\">CXCL<\/jats:styled-content>13 levels of <jats:styled-content style=\"fixed-case\">MS<\/jats:styled-content> patients (<jats:italic>n\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>20) and controls (<jats:italic>n\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>22) did not differ significantly (<jats:italic>p\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>.279). Although the three groups showed no differences in serum <jats:styled-content style=\"fixed-case\">BAFF<\/jats:styled-content> levels, serum <jats:styled-content style=\"fixed-case\">BAFF<\/jats:styled-content> levels of <jats:styled-content style=\"fixed-case\">NMO<\/jats:styled-content> patients without immunosuppressive treatment (<jats:italic>n\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>8) were significantly elevated compared with those of <jats:styled-content style=\"fixed-case\">NMO<\/jats:styled-content> patients with immunosuppressive therapy (<jats:italic>n\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>16) (<jats:italic>p\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>.003) and controls (<jats:italic>n\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>22) (<jats:italic>p\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>.024). In <jats:styled-content style=\"fixed-case\">NMO<\/jats:styled-content> patients, <jats:styled-content style=\"fixed-case\">CXCL<\/jats:styled-content>13 levels were correlated with onset age (<jats:italic>p\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>.026) and duration to the last relapse (<jats:italic>p\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>.003).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>During remission, serum <jats:styled-content style=\"fixed-case\">CXCL<\/jats:styled-content>13 and <jats:styled-content style=\"fixed-case\">BAFF<\/jats:styled-content> levels have not decreased to normal in <jats:styled-content style=\"fixed-case\">NMO<\/jats:styled-content> patients, and B\u2010cell\u2010related autoimmune response persists. Immunosuppressive therapy decreased serum <jats:styled-content style=\"fixed-case\">BAFF<\/jats:styled-content> levels, but did not affect <jats:styled-content style=\"fixed-case\">CXCL<\/jats:styled-content>13 expression.<\/jats:p><\/jats:sec>","DOI":"10.1002\/brb3.648","type":"journal-article","created":{"date-parts":[[2017,3,10]],"date-time":"2017-03-10T15:38:25Z","timestamp":1489160305000},"source":"Crossref","is-referenced-by-count":10,"title":["Elevated C\u2010X\u2010C motif ligand 13 and B\u2010cell\u2010activating factor levels in neuromyelitis optica during remission"],"prefix":"10.1002","volume":"7","author":[{"given":"Su","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Traditional Chinese Medicine Beijing Tiantan Hospital Capital Medical University  Beijing China"},{"name":"Department of Oncology Qingdao Hiser Medical Group  Qingdao 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