{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T18:18:33Z","timestamp":1790965113357,"version":"4.1.0"},"reference-count":27,"publisher":"S. Karger AG","issue":"2","license":[{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"},{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.karger.com\/Services\/SiteLicenses"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Neuroimmunomodulation"],"published-print":{"date-parts":[[2012]]},"abstract":"<jats:p>&lt;i&gt;Objective:&lt;\/i&gt; It was the aim of this study to compare the diagnostic efficiency of anti-aquaporin 4 (AQP4) antibody detection between serum and cerebrospinal fluid (CSF) samples in Chinese patients with central nervous system demyelinating diseases. &lt;i&gt;Methods:&lt;\/i&gt; Anti-AQP4 antibodies were detected by a cell-based assay. We calculated the sensitivity, specificity and coherence in 118 patients with neuromyelitis optica (NMO, n = 39), multiple sclerosis (n = 34), longitudinally extensive transverse myelitis (LETM, n = 22), optic neuritis (ON, n = 6), opticospinal multiple sclerosis (n = 8) and acute partial transverse myelitis (n = 9). &lt;i&gt;Results:&lt;\/i&gt; Forty-four serum samples (33.8%) were positive for anti-AQP4 antibodies. Anti-AQP4 antibody seropositivity was 76.9, 59.1 and 16.7% in patients with NMO, LETM and ON, respectively. Sixty-five CSF samples (50%) were positive for anti-AQP4 antibodies. Anti-AQP4 antibody positivity was 87.1, 81.8, 83.3, 62.5 and 11.8% in patients with NMO, LETM, ON, opticospinal multiple sclerosis and multiple sclerosis, respectively. The \u0138 value of the coherence test was 0.585 (p &lt; 0.0001) between the two types of samples. The antibody positivity rate was significantly different between the two body fluids (p = 0.0008, McNemar test). The sensitivity and specificity were 74.3 and 100% in serum, 85.7 and 88.2% in CSF, and 94.3 and 88.2% for serum and CSF combined, respectively. &lt;i&gt;Conclusion:&lt;\/i&gt; The sensitivity of anti-AQP4 antibodies in the CSF was higher than that in the serum, and their combined use is helpful in diagnosing Chinese patients with NMO.<\/jats:p>","DOI":"10.1159\/000330240","type":"journal-article","created":{"date-parts":[[2012,1,11]],"date-time":"2012-01-11T10:16:31Z","timestamp":1326276991000},"page":"96-102","source":"Crossref","is-referenced-by-count":29,"title":["Aquaporin 4 Antibodies in the Cerebrospinal Fluid Are Helpful in Diagnosing Chinese Patients with Neuromyelitis 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