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Toxins 2011, 3(7), 848-883; doi:10.3390/toxins3070848

Immunotoxins and Anticancer Drug Conjugate Assemblies: The Role of the Linkage between Components

Department of Drug Science and Technology, University of Torino, Torino 10125, Italy
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Received: 18 May 2011 / Revised: 2 July 2011 / Accepted: 6 July 2011 / Published: 14 July 2011
(This article belongs to the Special Issue Immunotoxins)
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Abstract

Immunotoxins and antibody-drug conjugates are protein-based drugs combining a target-specific binding domain with a cytotoxic domain. Such compounds are potentially therapeutic against diseases including cancer, and several clinical trials have shown encouraging results. Although the targeted elimination of malignant cells is an elegant concept, there are numerous practical challenges that limit conjugates’ therapeutic use, including inefficient cellular uptake, low cytotoxicity, and off-target effects. During the preparation of immunoconjugates by chemical synthesis, the choice of the hinge component joining the two building blocks is of paramount importance: the conjugate must remain stable in vivo but must afford efficient release of the toxic moiety when the target is reached. Vast efforts have been made, and the present article reviews strategies employed in developing immunoconjugates, focusing on the evolution of chemical linkers. View Full-Text
Keywords: immunotoxin; antibody drug conjugate; linker; conjugation process; toxins; anticancer agents immunotoxin; antibody drug conjugate; linker; conjugation process; toxins; anticancer agents
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Dosio, F.; Brusa, P.; Cattel, L. Immunotoxins and Anticancer Drug Conjugate Assemblies: The Role of the Linkage between Components. Toxins 2011, 3, 848-883.

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