Abstract:
OBJECTIVES:To address practical issues in measuring autoantibodies to neuronal cell-surface antigens (NSAs) in various autoimmune neurological disorders (ANDs). METHODS:We retrospectively reviewed the clinical information of 221 patients with clinically suspected ANDs who underwent antibody testing for NSAs between January 2007 and September 2017. 31 were excluded. In 190 patients, antibody-detection rate (ADR) and antibody-phenotype association were assessed. RESULTS:Fifty-four patients had NSA-antibodies: NMDA receptor (NMDAR) (n = 39), AMPA receptor (n = 3), leucine-rich glioma inactivated 1 (LGI1) (n = 3), glycine receptor (GlyR) (n = 3), GABA(A) receptor (n = 2), GABA(B) receptor (n = 1), metabotrophic glutamate receptor 5 (n = 1), or unknown (n = 6); 3 had multiple NSA-antibodies. ADR in patients with diagnostic criteria for "possible autoimmune encephalitis (AE)", "probable anti-NMDAR encephalitis", "definite autoimmune limbic encephalitis (ALE)", and "stiff-person spectrum disorder (SPSD)", was 34% (46/134), 85% (34/40), 46% (11/24), and 22% (4/18), respectively, but NSA-antibodies were not identified in 11 patients with systemic autoimmune disorders (SADs). Among 134 patients with "possible AE" criteria, NMDAR-antibodies were more frequently identified in patients with typical anti-NMDAR encephalitis than those without (34/40 [85%] vs. 4/94 [4%], p < 0.0001). LGI1-antibodies were identified in patients with ALE but not in the others (3/24 [13%] vs. 0/110 [0%], p = 0.005). GlyR-antibodies were identified in those with stiff-person syndrome plus (2/8, 25%) or stiff-limb syndrome (1/6, 17%). CONCLUSIONS:NSA-antibodies were most frequently identified in "probable anti-NMDAR encephalitis", followed by "definite ALE", "possible AE", and "SPSD", but not identified in SADs. NMDAR, LGI1 and GlyR were associated with clinical phenotype. Cell-surface antigens should be determined based on individual phenotype.
journal_name
J Neurol Scijournal_title
Journal of the neurological sciencesauthors
Kaneko J,Kanazawa N,Tominaga N,Kaneko A,Suga H,Usui R,Ishima D,Kitamura E,Akutsu T,Yoshida K,Nishiyama K,Iizuka Tdoi
10.1016/j.jns.2018.04.009subject
Has Abstractpub_date
2018-07-15 00:00:00pages
26-32eissn
0022-510Xissn
1878-5883pii
S0022-510X(18)30178-3journal_volume
390pub_type
杂志文章abstract::In some patients with amyotrophic lateral sclerosis (ALS), T2-weighted and proton-density-weighted magnetic resonance imaging (MRI) shows hyperintense or hypointense signals at the corticospinal tract. Fluid-attenuated inversion recovery (FLAIR) sequences increase the sensitivity of MRI to detect cortical and subcorti...
journal_title:Journal of the neurological sciences
pub_type: 临床试验,杂志文章
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abstract:BACKGROUND:Repeated administration of Paced Auditory Serial Addition Test (PASAT) results in a considerable learning effect in short- or long-term follow-up studies. However, the relationship between PASAT learning and changes in magnetic resonance imaging (MRI) parameters is yet to be investigated. OBJECTIVES:The aim...
journal_title:Journal of the neurological sciences
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journal_title:Journal of the neurological sciences
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pub_type: 临床试验,杂志文章
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abstract::Fifteen Moroccan families with a phenotype resembling Friedreich Ataxia (FA) were studied. Seven families (13 patients) had the 744 del A mutation in the alpha-tocopherol transfer protein (alpha-TTP) gene, characteristic of ataxia with vitamin E deficiency (AVED). The other eight families (16 patients) had GAA expansi...
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doi:10.1016/j.jns.2012.04.020
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2017-08-15 00:00:00