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Macromol Biosci. 2013 Feb;13(2):203-14. doi: 10.1002/mabi.201200344. Epub 2012 Dec 13.

Synthesis of maleimide-functionalyzed HPMA-copolymers and in vitro characterization of the aRAGE- and human immunoglobulin (huIgG)-polymer conjugates.

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Johannes Gutenberg-Universit├Ąt Mainz, Institute of Organic Chemistry, Mainz, Germany.


Herein the synthesis of antibody-polymer conjugates, with a quite narrow dispersity based on the polymer HPMA, are reported. These conjugates are synthesized by coupling antibodies to maleimide-functionalized poly(N-(2-hydroxypropyl)-methacrylamide) (poly-HPMA) copolymers derived through reversible addition-fragmentation chain transfer (RAFT) polymerization of pentafluorophenyl methacrylate via the intermediate step of an activated ester polymer. We develop a protocol that allows the attachment of two different model antibodies, monoclonal anti-RAGE (receptor for advanced glycation end-products) antibody, and polyclonal human immunoglobulin (huIgG). Modification of the antibody and conjugation is monitored by SDS-PAGE electrophoresis. Preserved affinity is demonstrated by Western Blott and cell-uptake analysis, for example, to cells of the immune system.

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