Biomedicines 2014, 2(1), 1-13; doi:10.3390/biomedicines2010001

Conjugates of Small Molecule Drugs with Antibodies and Other Proteins

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Received: 19 November 2013; in revised form: 17 January 2014 / Accepted: 17 January 2014 / Published: 24 January 2014
(This article belongs to the Special Issue Feature Papers)
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.
Abstract: Conjugates of small molecule drugs with antibodies (ADCs) and with other proteins (protein-drug conjugates, PDC) are used as a new class of targeted therapeutics combining the specificity of monoclonal antibodies (mAbs) and other proteins with potent cytotoxic activity of small molecule drugs for the treatment of cancer and other diseases. A(P)DCs have three major components, antibody (targeting protein), linker and payload, the cytotoxic drug. Recently, advances in identifying targets, selecting highly specific mAbs of preferred isotypes, optimizing linker technology and improving chemical methods for conjugation have led to the approval of two ADCs by Food and Drug Administration (FDA) and more than 30 ADCs in advanced clinical development. However, the complex and heterogeneous nature of A(P)DCs often cause poor solubility, instability, aggregation and eventually unwanted toxicity. This article reviews the main components of A(P)DCs, and discusses the choices for drugs, linkers and conjugation methods currently used. Future work will need to focus on developments and strategies for overcoming such major problems associated with the A(P)DCs.
Keywords: antibody-drug conjugates; ADC; biotherapeutics; drugs; biologics
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MDPI and ACS Style

Feng, Y.; Zhu, Z.; Chen, W.; Prabakaran, P.; Lin, K.; Dimitrov, D.S. Conjugates of Small Molecule Drugs with Antibodies and Other Proteins. Biomedicines 2014, 2, 1-13.

AMA Style

Feng Y, Zhu Z, Chen W, Prabakaran P, Lin K, Dimitrov DS. Conjugates of Small Molecule Drugs with Antibodies and Other Proteins. Biomedicines. 2014; 2(1):1-13.

Chicago/Turabian Style

Feng, Yang; Zhu, Zhongyu; Chen, Weizao; Prabakaran, Ponraj; Lin, Kedan; Dimitrov, Dimiter S. 2014. "Conjugates of Small Molecule Drugs with Antibodies and Other Proteins." Biomedicines 2, no. 1: 1-13.

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