Abstract:
:NMO-IgG, a disease-specific autoantibody for neuromyelitis optica, recognizes aquaporin-4 (AQP4) and has been examined by indirect immunofluorescence assay. We developed an enzyme-linked immunosorbent assay (ELISA) to detect anti-AQP4 antibodies by establishing methods for expression in a baculovirus system and purification of recombinant AQP4 as antigen. Elevated anti-AQP4 antibody titers in serum were found in 15 (71%) of 21 patients with neuromyelitis optica, 4.3% of 46 patients with multiple sclerosis, none of 51 normal controls, and 2.6% of 115 patients with other neurological diseases. The ELISA system can be substituted for the conventional NMO-IgG assay.
journal_name
J Neuroimmunoljournal_title
Journal of neuroimmunologyauthors
Hayakawa S,Mori M,Okuta A,Kamegawa A,Fujiyoshi Y,Yoshiyama Y,Mitsuoka K,Ishibashi K,Sasaki S,Hattori T,Kuwabara Sdoi
10.1016/j.jneuroim.2008.03.009subject
Has Abstractpub_date
2008-05-30 00:00:00pages
181-7issue
1-2eissn
0165-5728issn
1872-8421pii
S0165-5728(08)00069-6journal_volume
196pub_type
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