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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
1994-6-9
pubmed:abstractText
Serum antibodies against such major glycolipids as GM1, GD1b, and LM1 have been reported in patients in the acute phase of Guillain-Barré syndrome (GBS). Because minor unidentified glycolipids also may be targets of antibodies in GBS sera, we assayed serum antibody against a crude ganglioside fraction using thin-layer chromatogram immunostaining. Antibody activity was detected against a band that migrated just below GD1a in 6 of the 50 patients with GBS tested. Antibody titer, as determined by enzyme-linked immunosorbent assay, decreased during the course of the disease. All 6 patients had suffered gastrointestinal infection before the neurological onset of GBS and showed low amplitudes for the compound muscle action potentials and normal or only slightly decreased nerve conduction velocities. Thin-layer chromatogram immunostaining did not show this antibody activity in any of the 16 normal and 119 disease controls. The unidentified glycolipid was isolated by DEAE-Sephadex A-25 column chromatography, sialidase treatment, and Iatrobeads column chromatography. Fast atom bombardment-mass spectra showed it to be N-acetyl-galactosaminyl GD1a.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0364-5134
pubmed:author
pubmed:issnType
Print
pubmed:volume
35
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
570-6
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1994
pubmed:articleTitle
N-acetylgalactosaminyl GD1a is a target molecule for serum antibody in Guillain-Barré syndrome.
pubmed:affiliation
Department of Neurology, Faculty of Medicine, University of Tokyo, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't