Products and methods for single parameter and multiparameter...

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G01N 33/48 (2006.01) C12Q 1/04 (2006.01) G01N 33/53 (2006.01) G01N 33/543 (2006.01) G01N 33/546 (2006.01) G01N 33/553 (2006.01) G01N 33/569 (2006.01)

Patent

CA 2370215

A method of single parameter and multiparameter characterizing of cells, particularly immunophenotyping of cells, is provided. The method preferably uses antibody coated microspheres which are adapted to bind to specific types of cells. One or more sets of coated microspheres are added simultaneously or sequentially to a suspension of cells and bind the cells they are adapted to bind. Cells may bind to one or more microspheres. The suspension is then filtered to trap bead-cell complexes. The complexes are preferably stained and then examined to characterize the cells, preferably the cells bound to the microspheres. A kit and apparatus for performing the method are also provided.

L'invention concerne une méthode utilisant un paramètre unique ou plusieurs paramètres pour caractériser des cellules, notamment pour déterminer des immunophénotypes des cellules. De préférence, la méthode met en oeuvre des microsphères enrobés d'anticorps adaptés pour se lier à des types de cellules spécifiques. Un ou plusieurs ensembles de microsphères enrobés sont ajoutés simultanément ou séquentiellement à une suspension de cellules et se lient aux cellules pour lesquelles ils sont prévus. Les cellules peuvent se lier à un ou plusieurs microsphères. La suspension est ensuite filtrée pour piéger des complexes en billes. Ces complexes sont, de préférence, teintés puis examinés afin de caractériser les cellules, de préférence celles liées aux microsphères. L'invention concerne en outre une trousse et un appareil servant à mettre en oeuvre la méthode de l'invention.

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