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Clinical Europium fluorescent based lectin assays for mucin O-glycomics

2026-04Capítulo de livro Acesso embargado
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datacite.subject.sdg03:Saúde de Qualidade
dc.contributor.authorAfshari, Ali R.
dc.contributor.authorBello-Gonzalez, Marysol
dc.contributor.authorAndersen, Ida E.
dc.contributor.authorNogueira, Rita Martins
dc.contributor.authorKarlsson, Niclas G.
dc.contributor.editorMalaker, Stacy A.
dc.date.accessioned2026-07-07T11:15:59Z
dc.date.available2026-07-07T11:15:59Z
dc.date.issued2026-04
dc.descriptionKim Petterson and Kamlesh Gidwani from the University of Turku are acknowledged for their support and guidance in the establishment of the lectin assay platform. Oslo Metropolitan University is acknowledged for financial support. Tor Paaske Utheim, Ayyad Khan, and Sjur Reppe are acknowledged for providing reagents and guidance. A PhD fellowship from SECIHTI (scholarship grant CVU 952980), a research stay grant from Beca Elisa Acuña, and a Velux Stiftung project number 1852 awarded to Marysol Bello-Gonzalez are also acknowledged. Haakon Leffler at Lund University, Sweden, and Sébastien Wälchli at Radiumhospitalet, Oslo, Norway are acknowledged for generous gifts of lectins and antibodies. The work was partially financed by the EIC Pathfinder Open scheme (101186774 – IMProGlyco).
dc.description.abstractIn this chapter, we are presenting two assay formats for glycomic discovery and validation: Fluorescent Immune-Lectin Assay (FILA) and Fluorescent Lectin Assay (FLA). Both methods rely on conjugation of lectins to highly sensitive Europium nanoparticles (Eu-NPs) that provide specific detection of glycans. The FILA method is based on antibody immobilization, where biotinylated antibodies capture target mucin onto microplate wells before lectin-Eu-NP binding. In contrast, the FLA method is based on hydrophobic interactions that allow direct attachment of mucins or mucin-type glycoproteins to the plate surface without requiring a capturing antibody. The FLA method also uses the same lectin-Eu-NP detection strategy. Each method is described in a detailed workflow from buffer and sample preparation, detection and obtaining signals, to concentration measurement. Evaluation protocols for both methods are provided at the end of this chapter. These assays provide effective and flexible strategies for screening of glycoproteins and mucin-type molecules and their glycosylation in complex biological samples such as plasma (e.g., lubricin in plasma) or mucosal surfaces (e.g., mucins in tear fluid). Orthogonal tests using mass spectrometry (MS) and western blot analysis are recommended to enhance certainty in glycosylation profiles obtained from either the FILA or FLA method. Ultimately, these methods support researchers in selecting and implementing practical approaches for clinical and diagnostic applications in glycomics.eng
dc.identifier.citationAfshari AR, Bello-Gonzalez M, Andersen IE, Nogueira RM, Karlsson NG. Clinical Europium fluorescent based lectin assays for mucin O-glycomics. In: Malaker SA, editor. Methods in Enzymology. Elsevier; 2026. p. 83-116.
dc.identifier.doi10.1016/bs.mie.2026.03.012
dc.identifier.isbn9780443432262
dc.identifier.issn0076-6879
dc.identifier.urihttp://hdl.handle.net/10400.21/22956
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relation.hasversionhttps://www.sciencedirect.com/science/chapter/bookseries/abs/pii/S0076687926000984
dc.relation.ispartofMethods in Enzymology
dc.relation.ispartofMucins
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectELISA
dc.subjectFluorescence
dc.subjectGlyco-biomarker
dc.subjectGlycomics
dc.subjectLectin assay
dc.subjectLectin-Europium nanoparticles
dc.subjectMucins
dc.subjectPlasma
dc.subjectTear fluid
dc.titleClinical Europium fluorescent based lectin assays for mucin O-glycomicseng
dc.typebook part
dspace.entity.typePublication
oaire.citation.endPage116
oaire.citation.startPage83
oaire.citation.titleMethods in Enzymology
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85

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