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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-59266

Pochechueva, T; Chinarev, A; Spengler, M; Korchagina, E; Heinzelmann-Schwarz, V; Bovin, N; Rieben, R (2011). Multiplex suspension array for human anti-carbohydrate antibody profiling. The Analyst, 136(3):560-569.

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Glycan-binding antibodies form a significant subpopulation of both natural and acquired antibodies and play an important role in various immune processes. They are for example involved in innate immune responses, cancer, autoimmune diseases, and neurological disorders. In the present study, a microsphere-based flow-cytometric immunoassay (suspension array) was applied for multiplexed detection of glycan-binding antibodies in human serum. Several approaches for immobilization of glycoconjugates onto commercially available fluorescent microspheres were compared, and as the result, the design based on coupling of end-biotinylated glycopolymers has been selected. This method requires only minute amounts of glycans, similar to a printed glycan microarray. The resulting glyco-microspheres were used for detection of IgM and IgG antibodies directed against ABO blood group antigens. The possibility of multiplexing this assay was demonstrated with mixtures of microspheres modified with six different ABO related glycans. Multiplexed detection of anti-glycan IgM and IgG correlated well with singleplex assays (Pearson's correlation coefficient r = 0.95-0.99 for sera of different blood groups). The suspension array in singleplex format for A/B trisaccharide, H(di) and Le(x) microspheres corresponded well to the standard ELISA (r > 0.94). Therefore, the described method is promising for rapid, sensitive, and reproducible detection of anti-glycan antibodies in a multiplexed format.


10 citations in Web of Science®
9 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Gynecology
Dewey Decimal Classification:610 Medicine & health
Deposited On:17 Feb 2012 12:44
Last Modified:05 Apr 2016 15:37
Publisher:Royal Society of Chemistry
ISSN:0003-2654 (P) 1364-5528 (E)
Publisher DOI:10.1039/c0an00758g
PubMed ID:21107457

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