Abstract:
OBJECTIVE:To develop a cell-based assay (CBA) to detect aquaporin 1 (AQP1) antibodies and determine sensitivity/specificity in patients with neuromyelitis optica (NMO) spectrum disorders. METHODS:A HEK-293T transfected cell model expressing AQP1 was established and detected to be serum AQP1 antibodies. RESULTS:AQP1 antibodies were present in 73/98 (74.5%) AQP4 antibody-positive patients. Some AQP4 antibody-negative patients were also AQP1 antibody-positive. Test sensitivity was 74.5% in 98 AQP4 antibody-positive patients. Test specificity was 79.6% in 67 multiple sclerosis (MS) patients and 31 controls. CONCLUSION:A sensitive and simple CBA was developed to detect serum AQP1 antibodies. AQP1 antibodies were mainly present in NMO and its high-risk syndrome, but also in some MS patients.
journal_name
J Neuroimmunoljournal_title
Journal of neuroimmunologyauthors
Long Y,Zheng Y,Shan F,Chen M,Fan Y,Zhang B,Gao C,Gao Q,Yang Ndoi
10.1016/j.jneuroim.2014.06.003subject
Has Abstractpub_date
2014-08-15 00:00:00pages
103-10issue
1-2eissn
0165-5728issn
1872-8421pii
S0165-5728(14)00174-Xjournal_volume
273pub_type
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