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J Neurol Sci. 2005 Dec 15;239(1):37-44. Epub 2005 Sep 8.

Diagnostic value of anti-GM1 ganglioside serology and validation of the INCAT-ELISA.

Author information

1
Department of Neurology, Erasmus Medical Center, Dr. Molewaterplein 50, 3015 GE, Rotterdam, The Netherlands. m.kuijf@erasmusmc.nl

Abstract

The Inflammatory Neuropathy and Treatment (INCAT) group developed a standardized ELISA method for the detection of serum anti-GM1 antibodies. The diagnostic value of anti-GM1 antibodies determined by this method has not yet been established in large groups of patients. We assessed the reproducibility, sources of variation, optimal cut-off values and evaluated the diagnostic relevance of the INCAT-ELISA in various groups of patients and controls (N=1232). The coefficient of variance was 11.2% for IgM and 3.8% for IgG. High IgG titers were only found in Guillain-Barré syndrome (GBS) and other inflammatory polyneuropathies. High IgM titers were associated with GBS and multifocal motor neuropathy. Low IgM titers had no additional diagnostic value. The INCAT-ELISA is a reliable test with additional diagnostic value in specific clinical situations.

PMID:
16154154
DOI:
10.1016/j.jns.2005.07.009
[Indexed for MEDLINE]

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