Improved Flow Cytometric Method for HLA-B27 Typing

Author:

Janssen W C M1,Rouwen J A C N1,Hoffmann J J M L1

Affiliation:

1. Department of Clinical Laboratories, Catharina Hospital, Eindhoven, The Netherlands

Abstract

HLA-B27 is a cell marker of clinical interest because of its high association with certain diseases. The HLA-B27 antigen was detected on lymphocytes using a monoclonal antibody in an indirect immuno-fluorescence assay using a fluorescence flow cytometer. The considerable crossreaction of the monoclonal antibody with the HLA-B7 antigen was effectively suppressed by masking it by means of human anti-HLA-B7 antiserum. The flow cytometric method was evaluated by comparing the results with those obtained by the standard lymphocytotoxicity test and showed complete agreement in 107 selected patient samples.

Publisher

SAGE Publications

Subject

Clinical Biochemistry,General Medicine

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