Human papillomavirus multiplexed assay

G - Physics – 01 – N

Patent

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Details

G01N 33/569 (2006.01) G01N 33/53 (2006.01) G01N 33/543 (2006.01)

Patent

CA 2483053

The present invention relates to an immunoassay for simultaneously measuring the presence of antibodies to a plurality of HPV types that utilizes particle- based flow cytometric analysis. The presence and/or titre of neutralizing antibodies in a test sample are determined in a competitive format, where known, type-specific, fluorescently labeled neutralizing monoclonal antibodies compete with antibodies within a test sample for binding to conformationally sensitive, neutralizing epitopes on specific HPV-VLPs. The invention also provides a microsphere complex comprising a microsphere coupled to an HPV VLP.

L'invention concerne un test immunologique permettant de déterminer simultanément la présence d'anticorps contre plusieurs types de HPV par une analyse en cytométrie de flux à base de particules. La présence et/ou le titre d'anticorps neutralisants dans un échantillon de test est déterminée dans un format compétitif dans lequel des anticorps monoclonaux neutralisants fluorescents, spécifiques d'un type et connus entrent en compétition avec des anticorps d'un échantillon de test pour se lier à des épitopes neutralisants, de conformation sensible, de particules de type virus HPV spécifiques. L'invention concerne aussi un complexe de microsphères comprenant une microsphère couplée à une particule de type virus HPV.

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