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Haemophilia. 1995 Jul;1(3):175-7. doi: 10.1111/j.1365-2516.1995.tb00063.x.

A new approach to immunologic identification of factor VIII antibodies.

Haemophilia : the official journal of the World Federation of Hemophilia

M Shurafa, K Kithier

Affiliations

  1. Medical Director, Adult Hemophilia Treatment Center, Detroit, Michigan, and Division of Hematology-Oncology, Henry Ford Hospital, 2799 W. Grand Blvd, Detroit, MI 48202, USA.Associate Professor, Department of Pathology, Wayne State University, Detroit, Michigan, USA.

PMID: 27214535 DOI: 10.1111/j.1365-2516.1995.tb00063.x

Abstract

We tested for antibodies against factor VIII by using monoclonal antibody-purified factor VIII preparation as a source of antigen. The factor VIII was adsorbed on nitrocellulose membranes and stored in a refrigerator until later use. Plasma or serum was incubated with the factor VIII containing strip and the antibody was detected by another incubation with peroxidase-labelled antihuman immunoglobulin antibodies. The test was efficient in detecting antibodies in haemophilic and normal subjects with acquired inhibitors to factor VIII. It also detected antibodies to the factor VIII protein in a haemophilic subject with no evidence of inhibitor. The technique is simple, readily applicable, and serves as a useful screening tool for detecting factor VIII antibodies. The stability of the antigen-containing strips in a refrigerator is a practical advantage with potential commercial application.

Keywords: antibodies; factor VIII; inhibitor

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