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Issue 49, 2018, Issue in Progress
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Evaluation of anti α-D-Glcp-(1→4)-α-D-Glcp (GAGA4) IgM antibodies as a biomarker for multiple sclerosis

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Abstract

The correct diagnosis of multiple sclerosis (MS) remains challenging due to the complex pathophysiological and clinical characteristics of the disease. Consequently, there has been immense interest in finding a non-invasive diagnostic test for MS. Recent studies found that serum anti-α-D-Glcp-(1→4)-α-D-Glcp (GAGA4) IgM antibodies were upregulated in MS patients, and this finding led to the development of a commercial diagnostic test (gMS® Dx test), although the test has poor selectivity and has not been independently validated. Herein, we developed an enzyme-linked immunosorbent assay (ELISA) to evaluate the use and reliability of several anti-glucose IgM antibodies, including those against GAGA4, as diagnostic biomarkers for MS. In contrast to previous studies, our results show that serum anti-GAGA4 IgM antibody levels are not significantly higher in MS patients, which could potentially explain the poor selectivity of the commercial test.

Graphical abstract: Evaluation of anti α-d-Glcp-(1→4)-α-d-Glcp (GAGA4) IgM antibodies as a biomarker for multiple sclerosis

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Publication details

The article was received on 08 Jun 2018, accepted on 22 Jul 2018 and first published on 06 Aug 2018


Article type: Paper
DOI: 10.1039/C8RA04897E
RSC Adv., 2018,8, 28086-28093
  • Open access: Creative Commons BY-NC license
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    Evaluation of anti α-D-Glcp-(1→4)-α-D-Glcp (GAGA4) IgM antibodies as a biomarker for multiple sclerosis

    C. D. Braganza, K. T. Santoso, E. M. Dangerfield, A. C. La Flamme, M. S. M. Timmer and B. L. Stocker, RSC Adv., 2018, 8, 28086
    DOI: 10.1039/C8RA04897E

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