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Canadian Journal of Infectious Diseases
Volume 3, Suppl B, Pages 101-105

Conjugation of Daunorubicin to Monoclonal Antihuman Sarcoma Antibody by a Novel Method

Michel Pagé, Denis Thibeault, Hélène Tremblay, Christiane Noël, and Marie-Josée Perron

Department of Biochemistry, Faculty of Medicine, Université Laval, Sainte-Foy, Québec, Canada

Copyright © 1992 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Most of the reported methods for coupling anthracycline drugs to antibody result in either a loss of pharmacological activity or yield antibodies which have lost much of their immunological specificity. The use of glutaraldehyde for coupling saves both the pharmacological and immunological activities but it causes some polymerization of the antibody or of the macromolecular carrier which is undesirable for in vivo use. A new coupling procedure is reported which uses an activated derivative of daunorubicin added to monoclonal antihuman sarcoma antibody. This coupling procedure has not resulted in significant polymerization of the antibody or Joss of pharmacological activity determined by testing normal and tumour cell Lines in vitro.